CONFIGURATION GUIDE

FieldFox Handheld Analyzers

4/6.5/9, 10/14/18/26.5/32/44/50/54 GHz (B and C models)

Introduction
This configuration guide describes configurations, options, and accessories for the FieldFox B-Series and
new C-Series handheld analyzers. Use this guide, along with the technical overview and data sheet, for a
complete description of the analyzers. The table on page 3 titled “FieldFox B/C-Series Family and
Options” shows a comparison of the functions available in the FieldFox B- and C-Series family of
analyzers. The table on page 4 titled “FieldFox N9912C and Options” details the unique configurations
available for the N9912C.FieldFox RF analyzer that offer greater flexibility,
Note: Combination analyzer (combo) = Cable and antenna tester (CAT) + Vector network analyzer (VNA)
+ Signal analyzer (SA).

Included accessories
The following accessories are included with every FieldFox:
• AC/DC adapter
• Battery
• Soft carrying case
Table of Contents

FieldFox B/C-Series Family and Options ...................................................................................................... 3

FieldFox N9912C and Options ...................................................................................................................... 4

FieldFox RF and Microwave (Combination) Analyzers ................................................................................. 5

FieldFox RF and Microwave (Combination) Analyzer FAQs ........................................................................ 7

ERTA System Typical Configuration........................................................................................................... 10

FAQs – Applicable to All FieldFox RF and Microwave Analyzers .............................................................. 11

FieldFox RF and Microwave Signal Analyzers ........................................................................................... 12

FieldFox Signal Analyzer FAQs .................................................................................................................. 14

Upgrades ..................................................................................................................................................... 14

Documentation ............................................................................................................................................ 18

Calibration Kits ............................................................................................................................................ 18

Accessories ................................................................................................................................................. 20

Confidently Covered by Keysight Services ................................................................................................. 27

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FieldFox B/C-Series Family and Options
Combination analyzers Signal analyzers
Option Description N9913/4/5/6/7/8B, N9913/4/5C N9933/4/5/6/7/8B, N9933/4/5C
N9950/1/2/3B N9960/1/2/3B
CAT / vector network analysis
010 VNA time domain  —
210 VNA transmission/reflection  —
211 VNA full 2-port S-parameters  —
212 1-port mixed-mode S-parameters  —
215 TDR cable measurements  —
Cable and antenna analyzer Base model 1 —2
308 Vector voltmeter  —
320 Reflection meas. (RL, VSWR and scalar meas.) —3 , not available on C model
Spectrum analysis
209 Extended range transmission analysis (ERTA)  
220 Tracking generator 4 
233 Spectrum analyzer  Base model 1
235 Pre-amplifier  
236 Interference analyzer and spectrogram  
238 Spectrum analyzer time gating  
312 Channel scanner  
350 Real-time spectrum analyzer (RTSA)  
351 I/Q analyzer (IQA)  
352 Indoor and outdoor mapping  
353 IQ streaming  
355 Analog demodulation  
356 Noise figure (NF)  
357 Pulse generator  
358 EMF measurements  
360 Phased array antenna support  
361 EMI measurements  
366 Interference finder (manual mode)  
370/371 Over-the-air (OTA) LTE FDD/TDD  
378 Over-the-air (OTA) 5G NR  
390 Directional finding – TDOA node support  
B04 Analysis bandwidth, 40 MHz 5  
B10 Analysis bandwidth, 120 MHz 5  
Power measurements
208 USB power sensor meas. versus frequency  
302 USB power sensor support  
310 Built-in power meter  
330 Pulse meas. with USB peak power sensor  
System features
030 Remote control capability  
307 GPS receiver  
309 DC bias variable-voltage source  
— Frequency extender support 6  
Windows based software
89601C PathWave VSA (89600 VSA) software  
N6820ES Surveyor 4D software  
SJ002A WaveJudge Wireless Analyzer Toolset  
S9910A Keysight Spectrum Management (KSMS)  
S9911A Directional Finding - TDOA  

1. Base model functionality listed is the primary function of that instrument. For example, on the N991xB,C/5xB combo analyzers, cable and antenna
analyzer is the standard function included with every N991xB,C/5xB.
2. Cable and antenna analyzer is not available on the N993xB,C/6xB. A subset of measurements, return loss and VSWR, is available as Option 320.
3. Option 320 is not applicable to N991xB,C/5xB. The N991xB,C/5xB includes reflection measurements of return loss and VSWR as standard functions.
4. On the N991xB,C/5xB analyzers, order Options 233 and 210 to obtain a tracking generator with the spectrum analyzer. There is no Option 220 on the
N991xB,C/5xB analyzers. Option 233 provides the spectrum analyzer capability and Option 210 the “tracking” capability.
5. 10 MHz standard.

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6. Models N9913/33B,C, N9914/34B,C and N9915/35B,C do not support frequency extenders. This is because the mixers’ starting LO frequency is
higher than 10 GHz and the FieldFox Port 1 provides the LO to the mixer. For a list of supported OML frequency extenders, see Accessories pages
19-20.

FieldFox N9912C and Options

Base unit FieldFox RF analyzer
Instrument functions (must pick one from CA, NA and SA, only can pick one from each group CA, NA and SA)
CA4 Cable and antenna analyzer 4 GHz
CA6 Cable and antenna analyzer 6.5 GHz Frequency can be upgraded via N9912CU
CAX Cable and antenna analyzer 10 GHz Frequency can be upgraded via N9912CU
NA4 Vector network analyzer 4 GHz Full 2 port VNA
NA6 Vector network analyzer 6.5 GHz Frequency can be upgraded via N9912CU
NAX Vector network analyzer 10 GHz Frequency can be upgraded via N9912CU
SA4 Spectrum analyzer 4 GHz
SA6 Spectrum analyzer 6.5 GHz Frequency can be upgraded via N9912CU
SAX Spectrum analyzer 10 GHz Frequency can be upgraded via N9912CU
Measurement options
010 VNA time domain Requires network analyzer (NA)
030 Remote control capability Requires an iOS or an Android device
208 USB power sensor meas. versus frequency Require option 302
215 TDR cable measurements Requires an CA option
220 Tracking generator Requires spectrum analyzer unless VNA option is ordered
235 Pre-amplifier Require spectrum analyzer
236 Interference analyzer and spectrogram Require spectrum analyzer
238 Spectrum analyzer time gating Require spectrum analyzer
302 USB power sensor support Need to order USB power sensor. See FAQ A
307 GPS receiver Need to order GPA antenna, N9910X-825. See FAQ C
308 Vector voltmeter Require VNA option
309 DC bias variable-voltage source Recommend N9910X-713 cable. See FAQ D
310 Built-in power meter No power meter required
312 Channel scanner Require spectrum analyzer
330 Pulse meas. with USB peak power sensor Require option 302
350 Real-time spectrum analyzer (RTSA) Require spectrum analyzer
Require channel scanner at one from option 312, 370, 371,
352 Indoor and outdoor mapping 378 and GPS option 307
355 Analog demodulation Require spectrum analyzer
358 EMF measurements Require spectrum analyzer and 85572A Tri-axial antenna
361 EMI measurements Require Spectrum analyzer
Require Spectrum analyzer, GPS option 307, and 85574A
366 Interference finder (manual mode)
Handheld direction antenna
370 Over-the-air (OTA) LTE FDD Require Spectrum analyzer and GPS option 307
371 Over-the-air (OTA) LTE TDD Require Spectrum analyzer and GPS option 307
378 Over-the-air (OTA) 5G NR Require Spectrum analyzer and GPS option 307
B04 Analysis bandwidth, 40 MHz Require Spectrum analyzer
Windows PC software
89601C PathWave VSA (89600 VSA) software Require spectrum analyzer
SJ002A WaveJudge Wireless Analyzer Toolset Require spectrum analyzer
S9910A Keysight Spectrum Management (KSMS) Require spectrum analyzer

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FieldFox RF and Microwave (Combination)
Analyzers
Analyzer models
Step 1. Select the model that provides the desired frequency range.
Test port
Model Description CAT and VNA frequency SA frequency 1
connectors
N9913B 4 GHz FieldFox RF analyzer 30 kHz to 4 GHz 9 kHz to 4 GHz Type-N (f)
N9914B 6.5 GHz FieldFox RF analyzer 30 kHz to 6.5 GHz 9 kHz to 6.5 GHz Type-N (f)
N9915B 9 GHz FieldFox microwave analyzer 30 kHz to 9 GHz 9 kHz to 9 GHz Type-N (f)
N9916B 14 GHz FieldFox microwave analyzer 30 kHz to 14 GHz 9 kHz to 14 GHz Type-N (f)
N9917B 18 GHz FieldFox microwave analyzer 30 kHz to 18 GHz 9 kHz to 18 GHz Type-N (f)
N9918B 26.5 GHz FieldFox microwave analyzer 30 kHz to 26.5 GHz 9 kHz to 26.5 GHz 3.5 mm (m)
N9950B 32 GHz FieldFox microwave analyzer 300 kHz to 32 GHz 9 kHz to 32 GHz 2.4 mm (m)
N9951B 44 GHz FieldFox microwave analyzer 300 kHz to 44 GHz 9 kHz to 44 GHz 2.4 mm (m)
N9952B 50 GHz FieldFox microwave analyzer 300 kHz to 50 GHz 9 kHz to 50 GHz 2.4 mm (m)
N9953B 54 GHz FieldFox microwave analyzer 300 kHz to 54 GHz 9 kHz to 54 GHz 1.8 mm (m)
N9913C 4 GHz FieldFox RF analyzer 3 kHz to 4 GHz 3 kHz to 4 GHz Type-N (f)
N9914C 6.5 GHz FieldFox RF analyzer 3 kHz to 6.5 GHz 3 kHz to 6.5 GHz Type-N (f)
N9915C 10 GHz FieldFox RF analyzer 3 kHz to 10 GHz 3 kHz to 10 GHz Type-N (f)
N9912C FieldFox RF analyzer 3 kHz to 4/6.5/10 GHz 2 3 kHz to 4/6.5/10 GHz 2 Type-N (f)

Analyzer options 3

Step 2. Select optional measurement capabilities.

Any of these options can easily be added as a software upgrade in the future.
Option Description Prerequisite options/notes

CAT/vector network analysis

010 VNA time domain Requires 210, recommend 211. See FAQ #7
210 VNA transmission/reflection Recommend ordering a calibration kit. See FAQ #4 and FAQ #6
211 VNA full 2-port S-parameters Requires 210, recommend ordering a calibration kit. See FAQ #5
212 1-port mixed-mode S-parameters Requires 210 and 211
215 TDR cable measurements —
308 Vector voltmeter 210 and 211 required for full VVM functionality. See FAQ #8
Spectrum analysis
209 Extended range transmission analysis (ERTA) Requires 233 and 210 for Combo analyzers (N991x/5x), or 220 for Signal
analyzers (N993x/6x). Recommend 307. Requires two FieldFox units. See
FAQ # 9. See page 10 for typical configuration.
233 Spectrum analyzer —
235 Pre-amplifier Requires 233
236 Interference analyzer and spectrogram Requires 233
238 Spectrum analyzer time gating Requires 233
312 Channel scanner Requires 233. Require the corresponding option to support a specific app.
For example, to support EMF in channel scanner requires 358.
350 Real-time spectrum analyzer (RTSA) Requires 233, Recommend 235. See FAQ # 11
351 I/Q Analyzer (IQA) Requires 233

1. Useable to 5 kHz for N991x/5xB.

2. The maximum frequency of the N9912C is defined by option selected and may be upgradable via license keys. Refer to page 4 for more details.
3. This table is applicable for N991xB/C and N995xB excluding N9912C.

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 Option Description Prerequisite options/notes
352 Indoor and outdoor mapping Requires 233, 307, and at least one of 312, 360, 370, 371, 377 or 378. See
FAQ #15
353 IQ streaming Requires 233 and 351
355 Analog demodulation Requires 233
356 Noise Figure (NF) Requires 233, 235, 309 and accessory item N9910X-713 BNC to SMB
cable. See FAQ #13 for external preamplifier and noise source
requirements.
357 Pulse generator Requires 233
358 EMF measurements Requires 233. Also requires triaxial antenna. See FAQ #16
360 Phased array antenna support Requires 233. Also requires phased array antenna. Not applicable to
N991x/3x (x≤5). N991x/3xB (x > 5) models require external mixer. No
external mixer required for N995x/6xB models. See FAQ #14
361 EMI measurements Requires 233
366 Interference finder (manual mode) Requires 233, 307, and 85574A Handheld direction antenna
370 Over-the-air (OTA) LTE FDD Requires 233 and 307. Recommend 235.
371 Over-the-air (OTA) LTE TDD Requires 233 and 307. Recommend 235.
377 Over-the-air (OTA) 5G TF Requires 233 and 307. Recommend 235. N991x/3xB (x > 5) models require
external mixer. See FAQ #14 No external mixer required for N995x/6xB
models. 5G TF is pre-5G standard. Not available on C models
378 Over-the-air (OTA) 5G NR Requires B10 and 307. Recommend 235. N991x/3xB (x>5) models require
external mixer for FR2 frequencies above 26.5 GHz. See FAQ #18. No
external mixer required for N995xB models..
390 Directional finding – TDOA node support Requires 233
B04 Analysis bandwidth, 40 MHz 1 Requires 233. Recommend 350, 351 or PathWave VSA (formerly 89600
VSA) software
B10 Analysis bandwidth, 120 MHz 1 Requires 233. Recommend 350, 351, 378 or PathWave VSA (formerly
89600 VSA) software.
Power measurements
208 USB power sensor meas. versus frequency Requires 302 See FAQ I
302 USB power sensor support Need to order USB power sensor 2 See FAQ A
310 Built-in power meter No power sensor required. See FAQ B
330 Pulse meas. with USB peak power sensor Requires 302 and USB peak power sensor. See FAQ G and FAQ H
System features
030 Remote control capability Requires an iOS or an Android device
307 GPS receiver Need to order GPS antenna, N9910X-825. See FAQ C
309 DC bias variable-voltage source Recommend N9910X-713 cable. See FAQ D
— Frequency extender support Requires 233. Optional 350, 351, 360, 370, 371, 377, 378, PathWave VSA
(formerly 89600 VSA) software. See Accessories pages
Windows based software
89601C PathWave VSA (89600 VSA) software Requires 233
N6820ES Surveyor 4D software Requires 233, 235 and 307. See FAQ #17
SJ002A WaveJudge Wireless Analyzer Toolset Requires 233
S9910A Keysight spectrum management software (KSMS) Requires 233, 235 and 307
S9911A Directional Finding - TDOA Requires S9910A

1. 10 MHz standard.
2. List of compatible sensors available from www.keysight.com/find/fieldfoxsupport.

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FieldFox RF and Microwave (Combination)
Analyzer FAQs1
Question Answer
The base model includes the cable and antenna analyzer
Measurements: DTF (dB, linear, VSWR), return loss and DTF, return loss (dB), and 1-port cable loss
1. What is included with a base
Calibrations: CalReady, OSL, and response calibration
N991x/5xB analyzer?
Note: 2-port insertion loss is NOT included with the base model, if 2-port insertion loss is needed, order Option 210
Note: Base analyzer does not have phase information, for S11 or S21 phase, order Option 210
Basic spectrum analysis, four traces, different detector types, radio standard selection, limit lines
Channel power, occupied bandwidth, adjacent channel power, spectrum emission mask
AM/FM tune and listen, field strength measurements, antenna factors, frequency counter marker
2. What is included with N991x/5xB
Option 233? Tracking generator (TG)/Independent source:
• TG CW mode (source CW frequency can be set independent of SA frequency) - included
• TG CW coupled mode (source CW frequency is auto coupled to SA’s center frequency) - included
• TG tracking mode (traditional TG operation, swept SA coupled to swept source) - (requires Option 210)
3. What is included with N991x/5xB
Interference analyzer and spectrogram, trace playback and recording
Option 236?
Option 210 adds a VNA with transmission/reflection (T/R) capability
Measurements: S21, S11, magnitude and phase
Additionally, in the CAT mode, you can measure 2-port insertion loss
4. What is included with N991x/5xB Calibrations: CalReady, OSL, response, and enhanced response cal
Option 210? If you need all four S-parameters, order Options 210 and 211
If you need 2-port cal, order Options 210 and 211
Adds tracking mode to the tracking generator/independent source included with Option 233, spectrum analyzer
Option 211 adds full 2-port S-parameter capability to the VNA mode
5. What is included with N991x/5xB
Measurements: All four S-parameters (S11, S21, S22, S12), magnitude and phase
Option 211?
Calibrations: CalReady, OSL, response, enhanced response, and full 2-port calibration
6. Can I measure group delay on If you have phase measurement capability, then you can measure group delay. Option 210 is required for any phase
N991x/5xB analyzers? measurement capability. So, if you do not have Option 210, you cannot measure group delay.
S11/S21 in time domain, if Option 210 is ordered. To get time domain data for all four S-parameters and full 2-port cal,
order Option 211.
7. What is included with N991x/5xB View both time and frequency domain data at the same time
Option 010? Low-pass, impulse, and band-pass modes
Minimum, medium, and maximum window
Gating
With Option 308: 1-port cable trimming
8. What is included with N991x/5xB With Options 308 and 210: 1-port cable trimming, 2-port transmission
Option 308? With Options 308, 210, and 211: 1-port cable trimming, 2-port transmission, A/B and B/A
Note: A/B and B/A measurements require an external source
Extended Range Transmission Analysis (ERTA) or Option 209 is a scalar measurement system based on the use of
two (2) FieldFox units. One FieldFox acts as the source and reference receiver, while the second FieldFox acts as the
measurement receiver. When different frequency models are used in an ERTA pair, the system frequency range is
limited to the lowest of the pair.
Required hardware
A. Two (2) FieldFox units. FieldFox units can be any of these models:
• FieldFox combination analyzers: N9913/14/15/16/17/18/50/51/52/53B, N9913/14/15C
• FieldFox signal analyzers: N9933/34/35/36/37/38/60/61/62/63B, N9933/34/35C
9. What are the requirements for
Option 209? The two FieldFox units used in ERTA do not have to be the same model.
ERTA requires the following options on Combo FieldFox models (N9913/14/15/16/17/18/50/51/52/53B and C model):
• Option 210, VNA transmission/reflection
• Option 233, spectrum analyzer
ERTA requires the following options on SA FieldFox models (N9933/34/35/36/37/38/60/61/62/63B and C models)
• Option 220, tracking generator
Both FieldFox units (the one used as the source, and the other used as the receiver) must have the options listed
above. The ERTA option (209) cannot be installed unless 210 and 233 are present on a combo analyzer; or 220 is
present on a SA analyzer.

1. Some of the options may not be applicable to N9912C. Refer to the table on page 4 for more details.

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Question Answer
With either the Combo or SA FieldFox units, the following options are highly recommended:
• Option 235, preamplifier – this option increases the measurement dynamic range by increasing the received signal
power
• Option 307, GPS receiver – this option increases the dynamic range by increasing the frequency accuracy and
permitting the use of a narrower RBW
B. Power splitter, two-resistor model, Keysight 11667A, 11667B, or 11667C. Other power splitters can be used but the
specifications listed are based on the match and tracking performance of 11667A, 11667B, or 11667C. Three-resistor
power splitters are not recommended.
C. N9910X-712, Trigger/Reference-in cable, SMA (m) to BNC(f), 1 m, quantity two
D. N9910X-713, Trigger/Reference-out cable, SMB (m) to BNC (m), 1 m, quantity two
E. LAN connection – For ERTA, the two FieldFox units communicate via a LAN connection. For a direct connection, a
cross-over LAN cable is required. Alternately, both analyzers can be on a local area network.
Recommended accessory
F. N9910X-825, GPS Antenna. Necessary if Option 307 is ordered.
10. What is included with Option FieldFox analog demodulation has two parts: (1) Tune and listen, and (2) AM/FM metrics. Tune and listen is available
355? with the purchase of the spectrum analyzer option 233. AM/FM metrics becomes available when Option 355 is
purchased. AM/FM metrics provides the user with RF spectrum view, demodulated baseband signal waveform, carrier
power, frequency deviation, SINAD and more.
11. What is included with Option Real-time spectrum analyzer (RTSA) or Option 350 provides real-time measurements on a FieldFox. The FieldFox
350? must be equipped with spectrum analysis capability. The preamplifier option is recommended, as elusive signals often
have low power levels. The maximum real-time bandwidth for option 350 is up to 120 MHz with option B10. RTSA
includes trace recording and playback capabilities. It does not include a frequency-mask trigger (FMT).
12. Is Spectrum Analyzer Trace Spectrum Analyzer mode (Option 233) does not include Trace Recording and Playback by default. To obtain this
Recording and Playback capability in SA mode, Option 236 Interference Analyzer and Spectrogram needs to be purchased.
standard or an option? RTSA mode (Option 350) does include Trace Recording and Playback by default in RTSA mode.
Purchasing RTSA mode (Option 350) does not enable Trace Recording and Playback in SA mode (Option 233).
Trace record/playback features SA mode RTSA mode
SA and Interference Analyzer RTSA
Options 233 and 236 Option 350
Record and playback spectrum traces Yes Yes
Save trace data with GPS time stamp over time Yes Yes
Record and playback spectrogram data Yes No 1
13. What are the requirements for Requires spectrum analyzer mode (Option 233 on combination models), internal preamplifier (Option 235) and DC
Noise figure (NF) Option 356? bias variable voltage source (Option 309) as well as CPU2 processor. An external noise source is also required and
FieldFox supports Keysight noise source models 346A/B/C/K40/K01. Also recommended to improve accuracy is an
external preamplifier Keysight models U7227A/C/F or U7228A/C/F. Requires accessory item N9910X-713 BNC to
SMB cable for DC bias variable voltage source to noise source connection.
14. What is required for phased Requires spectrum analyzer mode (Option 233 on combination models) and GPS receiver (Option 307). Highly
array antenna support (Option recommend internal preamplifier (Option 235). Not applicable to N991x/3x (x≤5). N991x/3xB (x>5) models require
360) and 5G NR over-the-air external mixer since phased array antenna, which can be ordered as Keysight 85571A-028 or directly from Anokiwave
(OTA) measurements (Option as AWMF-0129, operates at 28 GHz. See FAQ #18 for more OML mixer information. No external mixer required for
378)? N995x/6xB models.
15. What is included with indoor The FieldFox mapping function is available in the following modes: Channel Scanner (312), Phased-Array Antenna
and outdoor mapping (Option (360), and OTA LTE FDD/TDD (370/371), OTA 5G TF (377), OTA 5G NR (378). Mapping is currently not available in
352)? SA or RTSA modes. Outdoor mapping requires the availability of GPS (Option 307). Maps can be saved to the
FieldFox internal memory, SD card or USB drive. Using a direct wired LAN connection, FieldFox will automatically
access OpenStreetMap (OSM) once location coordinates (latitude and longitude) and zoom levels have been entered
the Map Explorer menu. If using the l FieldFox Map Support Tool, OSM map files can be downloaded to a .zip file and
imported to FieldFox internal memory. If the FieldFox GPS receiver is enabled and OSM maps have been previously
saved to FieldFox with those GPS coordinates, FieldFox can automatically load the corresponding map to match the
current GPS coordinates.
16. What is required for EMF Requires triaxial antenna. Supported antenna is AGOS advanced technologies Triaxial Isotropic Antenna model SDIA-
measurements (Option 358)? 6000 30 MHz to 6 GHz. It can also be ordered as Keysight 85572A-006. EMF measurements are supported with
spectrum analyzer mode (Option 233 on combination models) and OTA 5G NR (Option 378).
17. What is required for N6820ES Surveyor 4D software connected to FieldFox spectrum analyzer mode offers a versatile, truly portable spectrum
Surveyor 4D software? monitoring system that covers VLF to 50 GHz, including 5G millimeter wave bands. The software runs on an external
PC or tablet. FieldFox required options include spectrum analyzer mode (Option 233 on combination models),
preamplifier (Option 235) and built-in GPS receiver (Option 307). Core Surveyor 4D software for Windows (Option
N6820ES-114) is required to run the Surveyor 4D software. Other Surveyor 4D software optional licenses that are
supported include basic modulation recognition application (N6820ES-MR1) and universal signal detection (N6820ES-
USD). Requires Surveyor 4D software version 4.3 or later (May 2019). Frequencies above 26.5 GHz will require

8
 Question Answer
external mixer for N991x/3xB (x>5) models. For external mixer information, FAQ #18. N995x/6xB models eliminate the
external mixer requirement.
18. What is required for 5G NR Requires spectrum analyzer mode (Option 233 on combination models), 120 MHz analysis bandwidth (Option
over- the-air (OTA) B10) and GPS receiver (Option 307). Highly recommend internal preamplifier (Option 235). FR2 frequencies
measurements (Option 378)? above 26.5 GHz will require external mixer for N991x/3xB (x>5) models. N995x/6xB models eliminate the external
mixer requirements. The mixer is orderable as OML Inc. model M28H2ADC-K, please see website
www.omlinc.com for more information or contact a Keysight representative. OML mixer RF input interface is 2.92
mm (f). See Page 20 “Accessories” section for other supported OML mixers and OML frequency extender module
adapter kits.
OML model: M28H2ADC-K
Supported on FieldFox models N9916B, N9917B, N9918B, N9936B, N9937B, N9938B
RF input frequency range 24 to 40 GHz
IF output frequency range 0.3 to 6.5 GHz
LO harmonic number 2
LO input frequency range 12 to 20 GHz
LO input power -18 to -5 dBm
Conversion factor IF = 1 GHz 10 dB (typical)
Noise figure 12 dB (Includes internal IF amplifier)

1. RTSA trace recordings can be recalled and played back in SA mode Spectrogram. This has the added benefit that the
measurements are shown ‘slower’, making it easier for the human eye to decipher the signal content.

OML mixer RF Input 24 to 40 GHz 2.92 mm (f)

OML mixer IF Output (Port 2) SMA (f) to

OML mixer DC +5V SMB (m) to FieldFox RF Input (Port 2) 3.5 mm (m)
FieldFox USB port +5V

OML mixer DC +5V SMB (m) to

FieldFox USB port +5V

Figure 1. OML external mixer diagram 1

1. This diagram is for OML M28H2ADC-K. See “OML frequency extender modules” and “OML frequency extender module adapter
kits” sections on page 20 for further details.

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ERTA System Typical Configuration1
Item Description/Options Quantity
Combo analyzer: Required Options 210, 233. Recommended: 235, 307
FieldFox 2
SA analyzer: Required: Option 220. Recommended: 235, 307
Power splitter 11667A (Type-N) or 11667B (3.5 mm) or 11667C (2.4 mm) 1
Type-N(m) to Type-N(m) adapter N9910X-850 (for use with 11667A or Type-N systems) 1
N9910X-712, SMA(m) to BNC(f) 2 of each
Trigger cables 1
N9910X-713, SMB(f) to BNC(m) 2 of each
RF test cable Connecting FieldFox source port 1 to power splitter input 1
RF test cable or adapter Connecting power splitter output arm to FieldFox port 2 1
RF jumper cable or adapter Power splitter output arm to DUT input 1
RF jumper cable or adapter DUT output to FieldFox receiver port 2 1
LAN cable LAN cable to connect two FieldFox units directly, or the analyzers must be on the LAN 1
N9910X-825 GPS antenna, recommended. Necessary if Option 307 is ordered. 2

1. The trigger cables and LAN cables must be at least as long as the separation distance between the two ends of the DUT.

Figure 2. ERTA system diagram

1. Not applicable to N9912C.

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FAQs – Applicable to All FieldFox RF and
Microwave Analyzers
Question Answer
A. What USB power sensors All Keysight U2000x Series USB power sensors are supported with FieldFox.
work with Option 302? Visit: www.keysight.com/find/fieldfoxsupport for an up-to-date listing.
Option 302 Option 310
USB power sensor Built-in power meter (or channel power meter)
Option 302 allows users to
connect a USB power sensor to Option 310 is a channelized power measurement capability
Description FieldFox's USB port and make built into FieldFox analyzers. Maximum bandwidth is 100
broadband power MHz.
measurements
External hardware USB power sensor required None. Uses internal receiver.
Broadband diode detector Tuned receiver, so measures frequencies within defined
Power measurement
measures all frequencies channel bandwidth
Frequency range Depends on USB sensor Frequency range of the analyzer
Settings Set CW frequency Set CW frequency, set channel width/span
B. What is the difference Power range Depends on USB sensor Depends on channel width and attenuator setting
between USB power sensor 30 minutes to meet accuracy
(Option 302) and built-in power Warm-up time No warm-up time required
specifications
meter (Option 310)? InstAlign accuracy: ± 0.5 dB typical for a CW signal. Since
the measurement is within a certain frequency channel or
Accuracy Depends on USB sensor bandwidth, to make an accurate measurement, the user
needs to know the exact center frequency and the signal's
bandwidth and set those accurately.
Programmable Yes, via SCPI Yes, via SCPI
The power sensor can easily be
The measurement point needs to be connected to FieldFox's
moved to the measurement
RF input port. If an RF jumper cable is used, the user needs
Physical connection point, with a USB cable
to account for the loss of the cable with an offset value (can
connecting the detector to
be entered into the analyzer).
FieldFox.
Yes, on/off, and nominal power No access to FieldFox's source from the built-in power meter
FieldFox source control
level control mode

11
 Question Answer
1. The recommended GPS solution is to order:
° Option 307 - built-in GPS receiver
° A GPS antenna such as N9910X-825
C. What do I need to get
GPS information?
° Other GPS antennas can also be used
° The GPS connector on the instrument is SMA (f)
2. Alternatively, you can purchase a USB-based GPS receiver. You do not need to purchase any FieldFox options for the
USB-based GPS to work. However, the USB-based GPS only provides time and location data, and time synchronization
capability. It cannot be used to increase the frequency accuracy of the instrument.
D. What is the connector for The DC output has a SMB (m) connector. Recommend ordering N9910X Option 713 bias-tee power cable SMB (f) to BNC
Option 309, DC output? (m).
E. What are the connectors
The connector for the Ref/Trig In is SMA (f). Recommend ordering N9910X Option 712 Trig/Ref in SMA (m) to BNC (f) cable.
for the Reference/ Trigger
The connector for the Ref/Trig Out is SMB (m). Recommend ordering N9910X Option 713 bias-tee power cable SMB (f) to
In and Reference / Trigger
BNC (m).
Out?
1. Option 030 provides a license for FieldFox to allow remote control via an iOS or Android device.
2. Not supplied by user, but necessary for operation of Option 030 are:

F. What is Option 030 ° iOS device: iPad, iPhone, or iPod Touch with iOS 6.1 or higher, or Android device with
remote control capability? Android OS 9.0 or higher, with free FieldFox app
° A WiFi or 3G/4G network connection between FieldFox and iOS device or Android
device
Option 330 or pulse measurements requires a Keysight USB peak power sensor. Visit
G. What USB sensor is www.keysight.com/find/usbsensorsforfieldfox for a list of supported peak power sensors. Average power sensors cannot be
required for Option 330? used with Option 330, only peak power sensors. The peak power sensor needs to be purchased separately. Option 330 or
pulse measurement requires Option 302 and Keysight USB power sensor
Average power, peak power, and peak to average ratio
H. What measurement Analog gauge display and digital display, dBm and watts
capabilities are included Relative/absolute measurements, dB or %, minimum and maximum limits
with Option 330? Trace graph for pulse profiling with gating
Rise time, fall time, pulse width, pulse period, pulse repetition frequency
Option 302, USB power sensor measurements, includes CW power measurements (one frequency at a time). With Option
I. What is included with 208 added, you can make swept-frequency power measurements. You can plot source power, gain, and receive power
Option 208? versus frequency. Additionally, the source frequency can be offset from the receiver frequency. The power sensor needs to
be purchased separately.

FieldFox RF and Microwave Signal Analyzers

Analyzer models
Step 1. Select the model that provides the desired frequency range.
Model Description Frequency range 1 Test port connectors
N9933B 4 GHz FieldFox signal analyzer 9 kHz to 4 GHz Type-N (f)
N9934B 6.5 GHz FieldFox signal analyzer 9 kHz to 6.5 GHz Type-N (f)
N9935B 9 GHz FieldFox signal analyzer 9 kHz to 9 GHz Type-N (f)
N9936B 14 GHz FieldFox signal analyzer 9 kHz to 14 GHz Type-N (f)
N9937B 18 GHz FieldFox signal analyzer 9 kHz to 18 GHz Type-N (f)
N9938B 26.5 GHz FieldFox signal analyzer 9 kHz to 26.5 GHz Type-N (f) 2
N9960B 32 GHz FieldFox signal analyzer 9 kHz to 32 GHz 2.4 mm (m)
N9961B 44 GHz FieldFox signal analyzer 9 kHz to 44 GHz 2.4 mm (m)
N9962B 50 GHz FieldFox signal analyzer 9 kHz to 50 GHz 2.4 mm (m)
N9963B 54 GHz FieldFox signal analyzer 9 kHz to 54 GHz 1.8 mm (m)
N9933C 4 GHz FieldFox signal analyzer 3 kHz to 4 GHz Type-N (f)
N9934C 6.5 GHz FieldFox signal analyzer 3 kHz to 6.5 GHz Type-N (f)
N9935C 10 GHz FieldFox signal analyzer 3 kHz to 10 GHz Type-N (f)

1. Useable to 5 kHz for N993x/6xB.

2. Order Option 100 for 3.5 mm (m) test port connectors. With N9938B-100, the spectrum analyzer is built with 3.5 mm test port
connectors instead of the standard Type-N (f). Option 100 is a prerequisite for Option 320 for N9938B.

12
Analyzer options
Step 2. Select optional measurement capabilities.
You can also add any of these options as a software upgrade in the future.
Option Description Prerequisite options/notes

Spectrum analysis
100 3.5 mm (m) connectors Only available on N9938B. Option 100 is only available at time of purchase. It is
not available as an upgrade. It is a prerequisite for Option 320 for N9938B.
209 Extended range transmission analysis (ERTA) Requires 220. Recommend 307. Requires two FieldFox units.
See FAQ # 9. See page 9 for typical configuration.
220 Full-band tracking generator CW, CW coupled, and tracking
235 Pre-amplifier —
236 Interference analyzer and spectrogram —
238 Spectrum analyzer time gating —
312 Channel scanner Require the corresponding option to support a specific app. For example, to
support EMF in channel scanner requires 358.
320 Reflection measurements (Return Loss, VSWR and Scalar) 320 requires 220 on all models. On N9938B, 320 also requires 100.
350 Real-time spectrum analyzer (RTSA) Recommend 235. See FAQ # 11
351 I/Q Analyzer (IQA) —
352 Indoor and outdoor mapping Requires 307, and at least one of 312, 360, 370, 371, 377 or 378. See FAQ #15
353 IQ streaming Requires 351
355 Analog demodulation —
356 Noise Figure (NF) Requires 235, 309 and accessory item N9910X-713 BNC to SMB cable. See FAQ
#13 for external preamplifier and noise source requirements.
357 Pulse generator
358 EMF measurements Requires triaxial isotropic antenna. See FAQ #16
360 Phased array antenna support Requires phased array antenna. Not applicable to N991x/3x (x≤5). N991x/3xB
(x>5) models require an external mixer. See FAQ #14. No external mixer required
for N995x/6xB models.
361 EMI measurements —
366 Interference finder (manual mode) Requires 307, and 85574A Handheld direction antenna
370/371 Over-the-air (OTA) LTE FDD/TDD Requires 307, recommend 235.
377 Over-the-air (OTA) 5G TF Requires 307, recommend 235. N991x/3xB (x> 5) models require an external
mixer. See FAQ #14. No external mixer required for N995x/6xB models.
378 Over-the-air (OTA) 5G NR Requires B10 and 307. Recommend 235. N993xB (x>5) models require external
mixer for FR2 frequencies above 26.5 GHz. See FAQ #18. No external mixer
required for N996xB models.
390 Directional finding – TDOA node support
B04 Analysis bandwidth, 40 MHz 1 Recommend 350, 351 or PathWave VSA (formerly 89600 VSA) software
B10 Analysis bandwidth, 120 MHz 1 Recommend 350, 351, 378 or PathWave VSA (formerly 89600 VSA) software
Power measurements
208 USB power sensor meas. versus frequency Requires 302. See FAQ I
302 USB power sensor support Need to order USB power sensor 2. See FAQ A
310 Built-in power meter No power sensor required. See FAQ B
330 Pulse meas. with USB peak power sensor Requires 302 and USB peak power sensor. See FAQ G and FAQ H
320 Reflection measurements (Return Loss, VSWR and Scalar) Requires 220 on all models. On N9938B specifically, also requires 100.
System features
030 Remote control capability Requires an iOS device or an Android device
307 GPS receiver Need to order GPS antenna, N9910X-825. See FAQ C
309 DC bias variable-voltage source Recommend N9910X-713 cable, See FAQ D
— Frequency extender support Optional 350, 351, 360, 370, 371, 377, 378, PathWave VSA software. See
Accessories, pages 19-20
Windows based software
89601C PathWave VSA (89600 VSA) software —
N6820ES Surveyor 4D software Requires 235 and 307, see page 7, FAQ #17
SJ002A WaveJudge Wireless Analyzer Toolset
S9910A Keysight spectrum management software (KSMS) Requires 235 and 307
S9911A Directional Finding - TDOA Requires S9910A

13
1. 10 MHz standard.
2. List of compatible sensors available from www.keysight.com/find/fieldfoxsupport.

FieldFox Signal Analyzer FAQs

Question Answer
Basic spectrum analysis, four traces, different detector types, radio standard selection, limit lines
1. What is included with the basic
Channel power, occupied bandwidth, adjacent channel power, spectrum emission mask
signal analyzer?
AM/FM tune and listen, field strength measurements, antenna factors, frequency counter marker
2. What is included with Option Interference analyzer and spectrogram
236? Trace playback and recording
3. What is included with Option Return loss and VSWR
320? Normalization using data/memory
4. What is the difference between
Option 320 on the N993x/6xB SA offers RL and VSWR. CAT mode on the N991x/5x combo analyzers offer RL and
Option 320 and the CAT mode
VSWR, DTF, insertion loss, and various calibration capabilities such as OSL.
on the combo base model?
FieldFox analog demodulation has two parts: (1) Tune and listen, and (2) AM/FM metrics. Tune and listen are
5. What is included with Option available as a standard feature on all N993x/6x FieldFox spectrum analyzers. AM/FM metrics becomes available
355? when Option 355 is purchased. AM/FM metrics provides the user with RF spectrum view, demodulated baseband
signal waveform, carrier power, frequency deviation, SINAD and more.
Additional FAQs FAQs on pages 6 through 11 apply to all microwave FieldFox models.

Upgrades
FieldFox RF and microwave (combination)
analyzer upgrades
N9913/14/15/16/17/18BU, N9913/14/15CU, N9950/51/52/53BU
Information on upgrades is available from: www.keysight.com/find/fieldfoxsupport
Option Description Upgrade contents Additional requirements
010 VNA time domain analysis License key Requires 210, recommend 211
030 Remote control capability License key Requires an iOS device or an Android device
208 USB power sensor measurements versus frequency License key Requires 302
209 Extended range transmission analysis (ERTA) License key Requires 233 and 210 1, recommend 307
210 VNA transmission and reflection License key None
211 VNA full 2-port S-parameters License key Requires 210
212 Mixed-mode S-parameters License key Requires 210 and 211
215 TDR cable measurements License key None
233 Spectrum analyzer License key None
235 Preamplifier License key Requires 233
236 Interference analyzer and spectrogram License key Requires 233
238 Spectrum analyzer time gating License key Requires 233
302 External USB power sensor support License key None
307 GPS receiver License key None
308 Vector voltmeter License key Requires 210 and 211 for full VVM functionality
309 DC bias variable-voltage source License key Recommend N9910X-713 cable
310 Built-in power meter License key None
312 Channel scanner License key Requires 233
330 Pulse measurements License key Requires 302 and USB peak power sensor
350 Real-time spectrum analyzer (RTSA) License key Requires 233, recommend 235
351 I/Q Analyzer (IQA) License key Requires 233
352 Indoor and outdoor mapping License key Requires 233, 307, and at least one of 312, 360, 370, 371, 377 or 378.
353 IQ streaming License key Requires 233 and 351
355 Analog demodulation License key Requires 233
356 Noise figure (NF) License key 2 Requires 233, 235, 309 and accessory cable N9910X-713

14
 Option Description Upgrade contents Additional requirements
357 Pulse generator License key Requires 233
358 EMF measurements License key Requires 233. Also requires triaxial isotropic antenna. See FAQ #16
Requires 233. Also requires phased array antenna. Not applicable to
360 Phased array antenna support License key N991x (x≤5). External mixer required for N991xB (x>5) but not for
N995xB. See FAQ #14
361 EMI measurements License key Requires 233
366 Interference finder (manual mode) License key Requires 233, 307. Also requires 85574A Handheld direction antenna
370 Over-the-air (OTA) LTE FDD License key Requires 233 and 307, recommend 235
371 Over-the-air (OTA) LTE TDD License key Requires 233 and 307, recommend 235
377 Over-the-air (OTA) 5G TF 3 License key Requires 233 and 307, recommend 235, not on C model
Requires 233, B10, and 307, recommend 235; N991x/3xB models
378 Over-the-air (OTA) 5G NR License key require external mixer for FR2 frequencies above 26.5 GHz. See FAQ
#18
390 Directional finding – TDOA node support License key Requires 233
391 Directional finding – Angle of arrival (AoA) License key Requires 233
Requires 233. Recommend 350, 351 or PathWave VSA (formerly 89600
B04 Analysis bandwidth, 40 MHz 4 License key
VSA) software
Requires 233. Recommend 350, 351, 378 or PathWave VSA (formerly
B10 Analysis bandwidth, 120 MHz 4 License key
89600 VSA) software
OTA 5G NR and LTE FDD/TDD cellular
S70 License key Requires 233, B10, 235, and 307
measurements, node-locked 12-month subscription 5
1. Option 209 is a system based on two FieldFox units. See FAQ #9, for a detailed description of the system requirements.
2. See FAQ #13 for external preamplifier and noise source requirements.
3. Requires external mixer for N991xB (x>5) models. See FAQ #14. No external mixer required for N995xB.
4. 10 MHz standard.
5. If the 12-month subscription is expiring and needs to be extended, re-order Option BU-S70 for another period of 12 months.

FieldFox signal analyzer upgrades

N9933/34/35/36/37/38BU, N9933/34/35CU, N9960/61/62/63BU
Information on upgrades is available from: www.keysight.com/find/fieldfoxsupport
Option Description Upgrade contents Additional requirements
030 Remote control capability License key Requires an iOS device or an Android device
100 3.5 mm connectors Not applicable Not applicable
208 USB power sensor measurements versus frequency License key Requires 302
209 Extended range transmission analysis (ERTA) License key Requires 220 1, recommend 307
220 Full-band tracking generator License key None
235 Preamplifier License key None
236 Interference analyzer and spectrogram License key None
238 Spectrum analyzer time gating License key None
302 External USB power sensor support License key None
307 GPS receiver License key None
309 DC bias variable-voltage source License key Recommend N9910X-713 cable
310 Built-in power meter License key None
312 Channel scanner License key None
Reflection measurements (Return Loss, VSWR and Option 220 for all models
320 License key 2
Scalar) Option 100 and 220 for N9938B
330 Pulse measurements License key Requires 302 and USB peak power sensor
350 Real-time spectrum analyzer (RTSA) License key Recommend 235
351 I/Q Analyzer (IQA) License key None
352 Indoor and outdoor mapping License key Requires 307, and at least one of 312, 360, 370, 371, 377 or 378.
353 IQ streaming License key Requires 351
355 Analog demodulation License key None
356 Noise figure (NF) License key 3 Requires 235, 309 and accessory cable N9910X-713
357 Pulse generator License key None
358 EMF measurements License key Requires triaxial isotropic antenna. See FAQ #16

15
 Option Description Upgrade contents Additional requirements
Requires phased array antenna. Not applicable to N993x (x≤5).
360 Phased array antenna support License key External mixer required for N993xB (x>5) but not for N996xB. See
FAQ#14
361 EMI measurements License key None
366 Interference finder (manual mode) License key Requires 307. Also requires 85574A Handheld direction antenna
370 Over-the-Air (OTA) LTE FDD License key Requires 307, recommend 235
371 Over-the-Air (OTA) LTE TDD License key Requires 307, recommend 235
377 Over-the-Air (OTA) 5G TF 4 License key Requires 307, recommend 235
Requires B10 and 307, recommend 235. N993xB models require
378 Over-the-air (OTA) 5G NR License key external mixer for FR2 frequencies above 26.5 GHz.
See FAQ #18
390 Directional finding – TDOA node support License key
391 Directional finding – Angle of arrival License key
Recommend 350, 351 or PathWave VSA (formerly 89600 VSA)
B04 Analysis bandwidth, 40 MHz 5 License key
software
Recommend 350, 351 or PathWave VSA (formerly 89600 VSA)
B10 Analysis bandwidth, 120 MHz 5 License key
software
OTA 5G NR and LTE FDD/TDD cellular
S70 License key Requires B10, 235, and 307
measurements, node-locked 12-month subscription 6
1. For N9938B, Option 320 is only available as a software upgrade if the spectrum analyzer is already equipped with Option 100,
which is 3.5 connectors on the test port. Option 100 must have been ordered at the time of original purchase. It cannot be
added later.
2. Option 209 is a system based on two FieldFox units. See FAQ #9, for a detailed description of the system requirements.
3. See FAQ #13 for external preamplifier and noise source requirements.
4. Requires external mixer for N993xB (x>5) models. See FAQ #14. No external mixer required for N996xB.
5. 10 MHz standard.
6. If the 12-month subscription is expiring and needs to be extended, re-order Option BU-S70 for another period of 12 months.

16
FieldFox N9912C upgrades
N9912CU
Upgrade
Option Description Additional requirements
contents
CA4 Cable and antenna analyzer 4 GHz License key
CA6 Cable and antenna analyzer 6.5 GHz License key
CAX Cable and antenna analyzer 10 GHz License key
C46 Cable and antenna analyzer upgrade from 4 to 6.5 GHz License key Requires CA4
C4X Cable and antenna analyzer upgrade from 4 to 10 GHz License key Requires CA4
C6X Cable and antenna analyzer upgrade from 6 to 10 GHz License key Requires CA6

NA4 Vector network analyzer 4 GHz License key

NA6 Vector network analyzer 6.5 GHz License key
NAX Vector network analyzer 10 GHz License key
N46 Vector network analyzer upgrade from 4 to 6.5GHz License key Requires NA4
N4X Vector network analyzer upgrade from 4 to 10 GHz License key Requires NA4
N6X Vector network analyzer upgrade from 6 to 10 GHz License key Requires NA6

SA4 Spectrum analyzer 4 GHz License key

SA6 Spectrum analyzer 6.5 GHz License key
SAX Spectrum analyzer 10 GHz License key
S46 Spectrum analyzer upgrade from 4 to 6.5 GHz License key Requires SA4
S4X Spectrum analyzer upgrade from 4 to 10 GHz License key Requires SA4
S6X Spectrum analyzer upgrade from 6 to 10 GHz License key Requires SA6

010 VNA time domain License key Requires NA4, NA6, or NAX
030 Remote control capability License key Requires an iOS or Android device
208 USB power sensor meas. versus frequency License key Requires 302. See FAQ I
215 TDR cable measurements License key Requires CA4, CA6, or CAX
220 Tracking generator License key Requires SA4, SA6, or SAX
235 Pre-amplifier License key Requires SA4, SA6, or SAX
236 Interference analyzer and spectrogram License key Requires SA4, SA6, or SAX
238 Spectrum analyzer time gating License key Requires SA4, SA6, or SAX
302 USB power sensor support License key Need to order USB power sensor. See FAQ A
307 GPS receiver License key Need to order GPS antenna, N9910X-825. See FAQ C
308 Vector voltmeter License key Requires NA4, NA6, or NAX
309 DC bias variable-voltage source License key Recommend N9910X-713 cable. See FAQ D
310 Built-in power meter License key No power sensor required. See FAQ B
312 Channel scanner License key Requires SA4, SA6, or SAX
330 Pulse meas. with USB peak power sensor License key Requires 302 and USB peak power sensor; See FAQ G and FAQ H
350 Real-time spectrum analyzer (RTSA) License key Requires SA4, SA6, or SAX. Recommend 235. See FAQ #11
Requires SA4, SA6, or SAX, and 307 and at least one of 312, 370,
352 Indoor and outdoor mapping License key
371, or 378. See FAQ #15
355 Analog demodulation License key Requires SA4, SA6, or SAX
Requires SA4, SA6, or SAX. Also requires triaxial antenna. See FAQ
358 EMF measurements License key
#16
361 EMI measurements License key Requires SA4, SA6, or SAX
Requires SA4, SA6, or SAX and 307. Also requires 85574A Handheld
366 Interference finder (manual mode) License key
direction antenna
370 Over-the-air (OTA) LTE FDD License key Requires SA4, SA6, or SAX, and 307. Recommend 235
371 Over-the-air (OTA) LTE TDD License key Requires SA4, SA6, or SAX, and 307. Recommend 235
378 Over-the-air (OTA) 5G NR License key Requires SA4, SA6, or SAX, and B04 and 307. Recommend 235
Requires SA4, SA6, or SAX. Recommend 350, 351, or PathWave
B04 Analysis bandwidth, 40 MHz 5 License key
VSA (formerly, 89600 VSA) software

17
Documentation
By default, a printed copy of the User’s Guide is not included in FieldFox orders. If you wish to receive the
printed User’s Guide, please order N99xxA Option ABA.
Option Description Notes
N99xxA-0B0 Do not include User's Guide
N99xxA-ABA Printed User's Guide in English

The latest FieldFox User’s Guide (manual) is available online from:

www.keysight.com/find/fieldfoxsupport.
The Service Guide, SCPI Programming Guide, Quick Reference Guide, and Data Link software help file
can also be found via the website above.

Calibration Kits
FieldFox analyzers support most standard HP/Agilent/Keysight mechanical calibration kits and all
Keysight USB ECal modules. Component list shows calibration components, some calibration kits also
include adaptors. Custom calibration kits can be created and uploaded to FieldFox using Data Link
software.
Model Description Connector Frequency range Components

7-16
N9910X-802 3-in-1 OSL Cal kit 7/16 (m) DC to 4 GHz Open, short, load (all male)
N9910X-803 3-in-1 OSL Cal kit 7/16 (f) DC to 4 GHz Open, short, load (all female)
85038A Standard cal kit 7/16 DC to 7.5 GHz Open, short, load (both female and male)
Type-N, 50 Ω
N9910X-800 1 3-in-1 OSL cal kit Type-N (m) DC to 6 GHz Open, short, load (all male)
N9910X-801 3-in-1 OSL cal kit Type-N (f) DC to 6 GHz Open, short, load (all female)
85032E Economy cal kit Type-N (m) DC to 6 GHz Open, short, load (all male)
85514A 4-in-1 OSLT cal kit Type-N (m) DC to 9 GHz Open, short, load, thru (all male)
85515A 4-in-1 OSLT cal kit Type-N (f) DC to 9 GHz Open, short, load, thru (all female)
85032F Standard cal kit Type-N DC to 9 GHz Open, short, load (both female and male)
85518A 4-in-1 OSLT cal kit Type-N (m) DC to 18 GHz Open, short, load, thru (all male)
85519A 4-in-1 OSLT cal kit Type-N (f) DC to 18 GHz Open, short, load, thru (all female)
85054D Economy cal kit Type-N DC to 18 GHz Open, short, load, thru (both female and male)
Open, short, fixed load, sliding load (both female and
85054B Standard cal kit Type-N DC to 18 GHz
male)
85092C ECal, 2-ports Type-N 300 kHz to 9 GHz Connectors configurable
N4690B/C ECal, 2-ports Type-N 300 kHz to 18 GHz Connectors configurable
300 kHz to 18 GHz or
N4690D ECal, 2-ports Type-N Connectors configurable
DC to 18 GHz
N7550A ECal economy, 2-ports Type-N DC to 4 GHz Connectors configurable
N7551A ECal economy, 2-ports Type-N DC to 6.5 GHz Connectors configurable
N7552A ECal economy, 2-ports Type-N DC to 9 GHz Connectors configurable
N7553A ECal economy, 2-ports Type-N DC to 14 GHz Connectors configurable
N7554A ECal economy, 2-ports Type-N DC to 18 GHz Connectors configurable

1
This calibration kit is not eligible for annual re-calibration. There are also no data report calibrations (UK6, 1A7 and A6J).
If annual calibration is required, please order 85514A or 85515A.

18
 Model Description Connector Frequency range Components
Type-N, 75 Ω 1

85036B Standard cal kit Type-N 75 Ω DC to 3 GHz Open, short, load (both female and male)
85036E Economy cal kit Type-N(m) 75 Ω DC to 3 GHz Open, short, load, all male
85096C ECal, 2-ports Type-N(m) 75 Ω 300 kHz to 3 GHz Connectors configurable
3.5 mm
85520A 4-in-1 OSLT 3.5 mm (m) DC to 26.5 GHz Open, short, load, thru (all male)
85521A 4-in-1 OSLT 3.5 mm (f) DC to 26.5 GHz Open, short, load, thru (all female)
85033D/E Economy cal kit 3.5 mm DC to 6/9 GHz Open, short, fixed load (both female and male)
85052D Economy cal kit 3.5 mm DC to 26.5 GHz Open, short, fixed load (both female and male)
Open, short, fixed load, sliding load (both female and
85052B Standard cal kit 3.5 mm DC to 26.5 GHz
male)
Open, short, fixed load (both female and male), two-
85052C Precision TRL kit 3.5 mm DC to 26.5 GHz
line lengths
85093C ECal, 2-ports 3.5 mm 300 kHz to 9 GHz Connectors configurable
N4691B 2 ECal, 2-ports 3.5 mm 300 kHz to 26.5 GHz Connectors configurable
300 kHz to 26.5 GHz or
N4691D ECal, 2-ports 3.5 mm Connectors configurable
DC to 26.5 GHz
N7550A ECal economy, 2-ports 3.5 mm DC to 4 GHz Connectors configurable
N7551A ECal economy, 2-ports 3.5 mm DC to 6.5 GHz Connectors configurable
N7552A ECal economy, 2-ports 3.5 mm DC to 9 GHz Connectors configurable
N7553A ECal economy, 2-ports 3.5 mm DC to 14 GHz Connectors configurable
N7554A ECal economy, 2-ports 3.5 mm DC to 18 GHz Connectors configurable
N7555A ECal economy, 2-ports 3.5 mm DC to 26.5 GHz Connectors configurable
2.92 mm (same as K connector)
85561A 4-in-1 OSLT cal kit 2.92 mm (f) DC to 40 GHz Open, short, fixed load, thru (all female)
85562A 4-in-1 OSLT cal kit 2.92 mm (m) DC to 40 GHz Open, short, fixed load, thru (all male)
Open, short, fixed load, sliding load (both female and
85056KE01 3 Standard cal kit 2.92 mm DC to 40 GHz
male)
85056KE02 4 Economy cal kit 2.92 mm DC to 40 GHz Open, short, fixed load (both female and male)
N4692A 2 ECal 2.92 mm 10 MHz to 40 GHz Connectors configurable
2.4 mm
85563A 3-in-1 OSL cal kit 2.4 mm (f) DC to 50 GHz Open, short, fixed load (all female)
85564A 3-in-1 OSL cal kit 2.4 mm (m) DC to 50 GHz Open, short, fixed load (all male)
85056D Economy cal kit 2.4 mm DC to 50 GHz Open, short, fixed load (both female and male)
Open, short, load, fixed load, sliding load (both
85056A Standard cal kit 2.4 mm DC to 50 GHz
female and male)
N4693A 2 ECal 2.4 mm 10 MHz to 50 GHz Connectors configurable
1.85 mm
85058E Economy cal kit 1.85 mm DC to 67 GHz Open, short, fixed load (female and male)
N4694A 2 ECal 1.85 mm 10 MHz to 67 GHz Connectors configurable
N4694D ECal 1.85 mm 10 MHz to 67 GHz or Connectors configurable
DC to 67 GHz
Waveguide
N9911X-11x Econ. waveguide cal kit WR-137 5.38 to 8.18 GHz Short, termination, offset length
N9911X-21x Econ. waveguide cal kit WR-90 8.2 to 12.5 GHz Short, termination, offset length
N9911X-31x Econ. waveguide cal kit WR-62 11.9 to 18 GHz Short, termination, offset length
N9911X-41x Econ. waveguide cal kit WR-42 17.6 to 26.7 GHz Short, termination, offset length
X11644A Waveguide cal kit WR-90 8.2 to 12.4 GHz Short, shim, termination, standard section
P11644A Waveguide cal kit WR-62 12.4 to 18 GHz Short, shim, termination, standard section
K11644A Waveguide cal kit WR-42 18 to 26.5 GHz Short, shim, termination, standard section
1. Recommend ordering quantity 2 of N9910X Option 846, 50 to 75 Ω adapter.
2. Product is discontinued.
3. Same as Maury’s 8770C47.
4. Same as Maury’s 8770D47.

19
Accessories
Cables
All cables listed below are rugged phase-stable cables.
Model Cable connector Other cable connector Max frequency Length (ft) Length (m)
N9910X-700 Type-N (m) Type-N (f) 18 GHz 3.28 ft 1m
N9910X-701 Type-N (m) Type-N (m) 18 GHz 3.28 ft 1m
N9910X-704 Type-N (m) TNC (f) 13 GHz 5 ft 1.5 m
N9910X-705 Type-N (m) TNC (m) 13 GHz 5 ft 1.5 m
N9910X-708 3.5 mm (m) 3.5 mm (f) 26.5 GHz 3.28 ft 1m
N9910X-709 3.5 mm (f) 3.5 mm (f) 26.5 GHz 3.28 ft 1m
N9910X-714 2.4 mm (f) 2.4 mm (m) 50 GHz 3.28 ft 1m
N9910X-715 2.4 mm (f) 2.4 mm (f) 50 GHz 3.28 ft 1m
N9910X-716 Type-N (m) Type-N (m) 18 GHz 2 ft 0.61 m
N9910X-718 2.4 mm (f) K / 2.92 mm (m) 40 GHz 3 ft 0.914 m
N9910X-810 Type-N (m) Type-N (m) 8 GHz 5 ft 1.5 m
N9910X-811 Type-N (m) Type-N (f) 8 GHz 5 ft 1.5 m
N9910X-812 Type-N (m) Type-N (m) 8 GHz 12 ft 3.6 m
N9910X-813 Type-N (m) Type-N (f) 8 GHz 12 ft 3.6 m
N9910X-814 Type-N (m) 7/16 (m) 6 GHz 5 ft 1.5 m
N9910X-815 Type-N (m) 7/16 (m) 6 GHz 12 ft 3.6 m
N9910X-816 Type-N (m) Type-N (f) 6 GHz 3.28 ft 1m
N9910X-817 Type-N (m) Type-N (m) 6 GHz 3.28 ft 1m

Preamplifiers
U7227A USB preamplifier, 10 MHz to 4 GHz www.keysight.com/find/U7227A
U7227C USB preamplifier, 100 MHz to 26.5 GHz www.keysight.com/find/U7227C
U7227F USB preamplifier, 2 to 50 GHz www.keysight.com/find/U7227F
U7228A USB preamplifier, 10 MHz to 4 GHz www.keysight.com/find/U7228A
U7228C USB preamplifier, 100 MHz to 26.5 GHz www.keysight.com/find/U7228C
U7228F USB preamplifier, 2 to 50 GHz www.keysight.com/find/U7228F

Noise sources
346A/B/C/CK01/CK40 Noise source family www.keysight.com/find/346noisesources
U1832A/B/C, U1833A/B/C/D USB smart noise sources

Antennas
N9910X-820 Antenna, directional, multiband, 800 to 2500 MHz, 10 dBi, Type-N (f)
N9910X-821 Antenna, telescopic whip, 70 MHz to 1 GHz, BNC (m)
N9910X-822 Antenna, directional, log periodic, 600 MHz to 9 GHz, Type-N (f)
N9910XA-823 1 Antenna, cellular narrowband, 824 to 869 MHz, Type-N (f)
N9910XA-824 1 Antenna, cellular narrowband, PCS 1850 to 1990 MHz, Type-N (f)
N9910X-825 Antenna, GPS, active, SMA (m)
85571A-028 1 5G Phased Array Antenna 28 GHz
85572A-006 Triaxial Isotropic Antenna 400 MHz to 6 GHz
85572A-007 Triaxial Isotropic Antenna 30 MHz to 6 GHz
85574A-100 20 MHz to 8.5GHz direction antenna with digital compass
85574A-209 Frequency extension for 85574A option 100 - 9 kHz to 20 MHz
1. Currently not RoHS compliant.

20
 RF and microwave adapters
83059A Coaxial adapter, 3.5 mm (m) to 3.5 mm (m), 26.5 GHz
83059B Coaxial adapter, 3.5 mm (f) to 3.5 mm (f), 26.5 GHz
83059C Coaxial adapter, 3.5 mm (m) to 3.5 mm (f), 26.5 GHz
N9910X-601 Coaxial adapter, NMD 2.4 mm (f) to Type-N (f), 50-ohm, 18 GHz
N9910X-602 Coaxial adapter, NMD 2.4 mm (f) to 2.92 mm/K (f), 40 GHz
N9910X-603 Coaxial adapter, NMD 2.4 mm (f) to 3.5 mm (f), 26.5 GHz
N9910X-604 3.5 mm NMD (f) to 3.5 mm (f) adapter, 26.5 GHz
N9910X-605 3.5 mm NMD (f) to Type-N (f) adapter, 18 GHz
N9910X-843 Coaxial adapter, Type-N (m) to 7/16 DIN (f)
N9910X-845 Adapter kit: Type-N (f) to 7/16 DIN (f), Type-N (f) to 7/16 DIN (m), Type-N (f) to Type-N (f)
N9910X-846 Coaxial adapter, Type-N (m) 50 ohm to Type-N (f) 75 ohm
N9910X-847 Adapter kit: Type-N (f) to TNC (m) adapter, Type-N (f) to TNC (f) adapter, 10 GHz
N9910X-848 Coaxial adapter, Type-N (f) to 3.5 mm (f), 18 GHz
N9910X-849 Coaxial adapter, Type-N (f) to 3.5 mm (m), 18 GHz
N9910X-850 Coaxial adapter, Type-N (m) to Type-N (m), 18 GHz
N9910X-851 Coaxial adapter, Type-N (f) to Type-N (f), 18 GHz
N9910X-852 Coaxial adapter, Type-N (m) to Type-N (f), 18 GHz
N9910X-856 Coaxial adapter, 2.4 mm (f) to 2.4 mm (f), 50 GHz
N9910X-857 Coaxial adapter, 2.4 mm (f) to 2.92 mm/K (f), 40 GHz

OML frequency extender modules

OML frequency extenders can be purchased directly through OML, Inc. Contact OML, Inc. directly (www.omlinc.com) for pricing, ordering and datasheet
information or contact a Keysight representative for assistance.
FieldFox operating modes that support frequency extenders include: Spectrum analyzer, real-time spectrum analyzer, I/Q analyzer, over-the-air (LTE
FDD/TDD, 5GTF, 5G NR), phased array antenna support and PathWave vector signal analysis software (formerly 89600 VSA).

Frequency range with FieldFox models Frequency range with FieldFox

OML model number OML mixer frequency range
N9917/18/5xB and N9937/38/6xB models N9916/36B
M28H2ADC-K 1 24 to 40 GHz 24 to 40 GHz 24 to 34 GHz
M15H4ADC 50 to 75 GHz 50 to 75 GHz 50 to 62 GHz
M12H6ADC 60 to 90 GHz 60 to 90 GHz 60 to 90 GHz
M10H6ADC 75 to 110 GHz 75 to 110 GHz 75 to 90 GHz
1. Not applicable to N9951/61B, N9952/62B, and N9953/63B models with maximum frequency coverage of 44, 50, and 54 GHz,
respectively.

21
OML frequency extender module adapter kits
OML frequency extender module adapter kits make for easier connection to FieldFox units with Type-N or 3.5 mm. Frequency extender adaptors work with
OML frequency extender model number M28H2ADC-K (24 to 40 GHz). Contact OML Inc (www.omlinc.com) directly for pricing, ordering and datasheet
information or contact a Keysight representative for assistance.
When ordering the OML frequency extender adapter kits separately, you may order the adapter kits as the Keysight part numbers shown below as needed.
Part number Description
1250-1636 Coaxial straight Male-N to Male-SMA, order Qty 2, connects mixer directly to FieldFox with Type-N ports.
Coaxial straight Female-SMA to Female-N, order Qty 2, spacer for FieldFox units with 3.5 mm ports and used with (part number 1250-
1250-3968
1636 adapter kit shown above) when GPS antenna is mounted vertically.
1250-3851 Coaxial straight Male-SMA to Female-SMA, order Qty 2, connects mixer directly to FieldFox with 3.5 mm ports.
Female-SMA to Male-SMA, Right Angle, Qty 1, for connecting GPS antenna at right angle and used for GPS antenna attachment with
N0000-33203
(part number 1250-1636 or 1250-3851 adapter kits shown above).
0950-6352 Antenna and mounting fixture, 0.75-inch square flange plastic, Qty 1 included, to be used with 0955-3591 below.
Waveguide horn antenna, pyramidal Ka-band 26.5 to 40 GHz WR-28, Qty 1 included, also order 0950-6352 above for mounting
0955-3591
fixture.
85032-60020 Type-N Male-Female adapter. Acts as a spacer to offset the mixer from the FieldFox to allow access to the Trig/Ref input connector.
Other RF and microwave accessories

Model
N9910X-860 Fixed attenuator, 40 dB, 100 W, DC to 3 GHz, Type-N (m) to Type-N (f)
N9910X-861 Fixed attenuator, 40 dB, 50 W, DC to 8.5 GHz, Type-N (m) to Type-N (f)
N9910X-874 1 External bias-tee, 2.5 MHz to 6 GHz, 1 W, 0.5 A
N9910X-886 Torque wrench, 17 mm, 90 N-cm (8 in-lb), used for connecting with 3.5 mm, 2.4 mm, or 1.85 mm connectors
N9910X-712 Trig/Ref in Cable SMA (m) to BNC (f), 1 m or 3.28 ft
N9910X-713 Bias-tee power cable SMB (f) to BNC (m), 1 m or 3.28 ft

Other FieldFox accessories

N9910X-876 Extra high-capacity battery
N9910X-872 External battery charger
N9910X-873 AC/DC adapter
N9910X-875 DC car charger and adapter
N9910X-880 Extra soft carrying case with backpack and shoulder strap
N9910X-881 Hard transit case
N9910X-886 Torque wrench, 17 mm, 90 N-cm (8 in-lb), recommended for N995xA and N996xA analyzers
N9910X-895 Magnetic mount base for antenna
1. Also recommend ordering N9910X-713 Bias-Tee Power Cable, SMB(f) to BNC(m), 3.28 ft., to connect to the FieldFox DC
source.

22
Keysight power sensors supported with FieldFox (options 208, 302, or 330)

Model number USB or LAN Sensor type Frequency and power range
U2000A USB Average 10 MHz to 18 GHz, -60 dBm to +20 dBm
U2000B USB Average 10 MHz to 18 GHz, -30 dBm to +44 dBm
U2000H USB Average 10 MHz to 18 GHz, -50 dBm to +30 dBm
U2001A USB Average 10 MHz to 6 GHz, -60 dBm to +25 dBm
U2001B USB Average 10 MHz to 6 GHz, -30 dBm to +44 dBm
U2001H USB Average 10 MHz to 6 GHz, -50 dBm to +30 dBm
U2002A USB Average 50 MHz to 24 GHz, -60 dBm to +20 dBm
U2002H USB Average 50 MHz to 24 GHz, -50 dBm to +30 dBm
U2004A USB Average 9 kHz to 6 GHz, -60 dBm to +20 dBm
U2021XA USB Average and peak 50 MHz to 18 GHz, -30 dBm to +20 dBm
U2022XA USB Average and peak 50 MHz to 40 GHz, -30 dBm to +20 dBm
U2041XA USB Average 10 MHz to 6 GHz, -70 dBm to +26 dBm
U2042XA USB Average and peak 10 MHz to 6 GHz, -70 dBm to +26 dBm
U2043XA USB Average 10 MHz to 18 GHz, -70 dBm to +26 dBm
U2044XA USB Average and peak 10 MHz to 18 GHz, -70 dBm to +26 dBm
U2051XA USB Average 10 MHz to 6 GHz, -70 dBm to +26 dBm
U2052XA USB Average 10 MHz to 18 GHz, -70 dBm to +26 dBm
U2053XA USB Average 10 MHz to 33 GHz, -70 dBm to +26 dBm
U2054XA USB Average 10 MHz to 40 GHz, -70 dBm to +20 dBm
U2055XA USB Average 10 MHz to 50/53 GHz, -70 dBm to +20 dBm
U2056XA USB Average 10 MHz to 54 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz)
10 MHz to 67 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz),
U2057XA USB Average
to +10 dBm (≤67 GHz)
U2062XA USB Average and peak 10 MHz to 18 GHz, -70 dBm to +26 dBm
U2063XA USB Average and peak 10 MHz to 33 GHz, -70 dBm to +26 dBm
U2064XA USB Average and peak 10 MHz to 40 GHz, -70 dBm to +20 dBm
U2065XA USB Average and peak 10 MHz to 50/53 GHz, -70 dBm to +20 dBm
U2066XA USB Average and peak 10 MHz to 54 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz)
10 MHz to 67 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz),
U2067XA USB Average and peak
to +10 dBm (≤67 GHz)
U8481A USB Average 10 MHz to 18 GHz, -35 dBm to +20 dBm
U8485A USB Average 10 MHz to 33 GHz, -35 dBm to +20 dBm
U8487A USB Average 10 MHz to 50 GHz, -35 dBm to +20 dBm
U8488A USB Average 10 MHz to 67 GHz, -35 dBm to +20 dBm
U8489A USB Average DC to 120 GHz, -35 dBm to +20 dBm
L2051XA LAN Average 10 MHz to 6 GHz, -70dBm to +26 dBm
L2052XA LAN Average 10 MHz to 18 GHz, -70dBm to +26 dBm
L2053XA LAN Average 10 MHz to 33 GHz, -70dBm to +26 dBm
L2054XA LAN Average 10 MHz to 40 GHz, -70dBm to +20 dBm
L2055XA LAN Average 10 MHz to 50/53 GHz, -70dBm to +20 dBm
L2056XA LAN Average 10 MHz to 54 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz)
10 MHz to 67 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz),
L2057XA LAN Average
to +10 dBm (≤67 GHz)
L2061XA LAN Average and peak 10 MHz to 6 GHz, -70dBm to +26 dBm
L2062XA LAN Average and peak 10 MHz to 18 GHz, -70dBm to +26 dBm
L2063XA LAN Average and peak 10 MHz to 33 GHz, -70dBm to +26 dBm
L2064XA LAN Average and peak 10 MHz to 40 GHz, -70dBm to +20 dBm
L2065XA LAN Average and peak 10 MHz to 50/53 GHz, -70dBm to +20 dBm
L2065XT LAN Average and peak 10 MHz to 53 GHz, -70dBm to +20 dBm
L2066XA LAN Average and peak 10 MHz to 54 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz)
10 MHz to 67 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz),
L2067XA LAN Average and peak
to +10 dBm (≤67 GHz)
Thermal Vacuum
L2065XT LAN 10 MHz to 53 GHz, -70 dBm to +20 dBm
Compliance
Thermal Vacuum
L2066XT LAN 10 MHz to 54 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz)
Compliance
Thermal Vacuum 10 MHz to 67 GHz, -70 dBm to +20 dBm (≤50 GHz), to +15 dBm (≤54 GHz),
L2067XT LAN
Compliance to +10 dBm (≤67 GHz)
U2049XA LAN Average and peak 10 MHz to 33 GHz, -70dBm to +20 dBm

23
 Description Accessory Description Accessory
N9910X-701 N9910X-881
Type-N (m) to Type-N (m) Hard transit case
cable, 3.28 ft

N9910X-708 N9910X-812
3.5 mm (m) to 3.5 mm (f) Type-N (m) to Type-N (m)
cable, 3.28 ft cable, 12 ft

N9910X-820 N9910X-816
Antenna, directional Type-N (m) to Type-N (f)
cable, 3.28 ft

N9910XA-823 N9910X-821
Antenna, cellular Antenna, telescopic whip™
narrowband

N9910X-822 N9910X-848
Antenna, directional Coaxial adapter, Type-N(f)
to 3.5 mm (f)

N9910X-825 N9910X-875
Antenna, GPS, active DC car charger and
adapter

N9910X-876 N9910X-873
Extra high-capacity battery AD/DC adapter

N9910X-872 N9910X-874
External battery charger External bias-tee

N4690B 1 85054D
2-port ECal, Type-N, Economy cal kit,
18 GHz Type-N, 18 GHz

1. Discontinued

24
Description Accessory Description Accessory
N9910X-800 N9910X-801
3-in-1 OSL cal kit, Type-N (m), 3-in-1 OSL cal kit, Type-N (f),
6 GHz 6 GHz

N9910X-811 85520A
Type-N (m) to 4-in-1 OSLT cal kit, 3.5 mm
Type-N (f) cable, 5 ft (m), 26.5 GHz

85514A 85521A
4-in-1 OSLT cal kit, Type-N (m), 4-in-1 OSLT cal kit, 3.5 mm
9 GHz (f), 26.5 GHz

85515A 85518A
4-in-1 OSLT cal kit, Type-N (f), 4-in-1 OSLT cal kit, Type-N
9 GHz (m), 18 GHz

85519A 85572A-006
4-in-1 OSLT cal kit, Type-N (f), Triaxial Isotropic Antenna
18 GHz (30 MHz to 6 GHz)

N9911X-211/212/213/214 85571A-028 1
WR-90 economical cal kit 5G Phase Array Atnenna
28 GHz

N4691B 2 N4692A 2
2-port ECal, 3.5 mm, 2.92 mm, 2-port ECal,
26.5 GHz 40 GHz

1. Not currently RoHS compliant

2. Discontinued

25
 Description Accessory Description Accessory
N4693A 1 N4691D
2.4 mm 2-port ECal, 50 GHz 3.5 mm, 2-port ECal, 26.5 GHz

N4692D N4693D
2.92 mm, 2-port ECal, 40 GHz 2.4 mm, 2-port ECal, 50 GHz

N4694D X11644A
1.85 mm, 2-port ECal, 67 GHz WR-90 standard cal kit

85033D/E 85052D
3.5 mm cal kit, 9 GHz 3.5 mm cal kit, 26.5 GHz

85056D N9910X-888
2.4 mm cal kit, 50 GHz Hands free harness (for
FieldFox N99xxB models only)

N9910X-895 85574A
Magnetic mount base for Handheld direction finding
antenna antenna, 20 MHz (optional 9
kHz) to 8.5 GHz

1. Discontinued
Note: While some items in this table might undergo changes in appearance without notifications, their technical
performance remains unchanged.

26
Confidently Covered by Keysight Services
Prevent delays caused by technical questions and reduce system downtime due to instrument
maintenance and repairs with Keysight Services. Keysight Services are here to support your test needs
with expert technical support, instrument repair and calibration, software support, training, alternative
acquisition program options, and more.

A KeysightCare agreement provides dedicated, proactive support through a single point of contact for
instruments, software, and solutions. KeysightCare covers an extensive group of instruments,
application software, and solutions and ensures optimal uptime, faster response, faster access to experts,
and faster resolution.

Keysight Services
Offering Benefits

KeysightCare KeysightCare provides elevated support for Keysight instruments and software, with
access to technical support experts who respond within a specified time and ensure
committed repair and calibration turnaround times (TAT). KeysightCare offers
multiple service agreement tiers, including KeysightCare Assured, Enhanced, and
Application Software Support. See the KeysightCare data sheet for details.

KeysightCare Assured KeysightCare Assured goes beyond basic warranty with repair services that include
committed TAT and unlimited access to technical experts.

KeysightCare Enhanced KeysightCare Enhanced includes all the benefits of KeysightCare Assured plus
Keysight’s accurate and reliable Calibration Services, accelerated, and committed
TAT, and technical response.

Keysight Support Portal All KeysightCare tiers include access to the Keysight Support Portal where you can
& Knowledge Center manage support and service resources related to your assets such as service
requests, and status, or browse the Knowledge Center.

Education Services Build confidence and gain new skills to make accurate measurements, with flexible
Education Services developed by Keysight experts. Including Start-up Assistance.

Alternative acquisition options

KeysightAccess Reduce budget challenges with a leased-based subscription service, that offers low
monthly payments, enabling you to get the instruments, software, and technical
support you want for your test needs.

27
Recommended services
Maximize your test system up-time by securing technical support, repair, and calibration services with
committed response and turnaround times. 1-year KeysightCare Assured is included in every new
instrument purchase. Obtain multi-year KeysightCare upfront to eliminate the need for lengthy and
tedious paperwork and yearly requests for maintenance budget. Plus, you benefit from secured service
for 2, 3, or 5 years.

Service Function
KeysightCare Enhanced* Includes tech support, warranty and calibration
R-55B-001-1 KeysightCare Enhanced – Upgrade 1 year
R-55B-001-2 KeysightCare Enhanced – Extend to 2 years
R-55B-001-3 KeysightCare Enhanced – Extend to 3 years (Recommended)
R-55B-001-5 KeysightCare Enhanced – Extend to 5 years (Recommended)
KeysightCare Assured Includes tech support and warranty
R-55A-001-2 KeysightCare Assured – Extend to 2 years
R-55A-001-3 KeysightCare Assured – Extend to 3 years
R-55A-001-5 KeysightCare Assured – Extend to 5 years
Start-Up Assistance
PS-S40-01 Included – instrument fundamentals and operations starter
PS-S40-04 Recommended – instrument fundamentals and operations starter
PS-S40-02 Optional, technology & measurement science standard learning
* Available in select countries. For details, please view the datasheet. R-55B-001-2/3/5 must be ordered with R-55B-001-1.

Keysight enables innovators to push the boundaries of engineering by quickly solving

design, emulation, and test challenges to create the best product experiences. Start your
innovation journey at www.keysight.com.
This information is subject to change without notice. © Keysight Technologies, 2019 – 2024,
Published in USA, July 30, 2024, 5992-3701EN