DOUBLE TMA 1900-S

Standard Double TMA for 1900 MHz

When installed close to the antenna, this Tower Excellent reliability

Mounted Amplifier (TMA) improves uplink As the world’s largest supplier of TMAs, Ericsson
sensitivity, which enhances the 1900 MHz network has a well-proven track record of reliable TMA
coverage and performance. designs. Reliability enhancing features include dual
LNAs, weatherproof design, integrated alarm and
Double TMA 1900-S lightning protection.
This small double TMA for 1900 MHz band, with
excellent RF performance, reduces size, weight Features
and visual impact when installed in a sector, • Specified and verified as an integrated system
compared to two single TMAs. solution for Ericsson RBS.
There is also a double TMA 1900-H, with further • Possible to power both TMAs from one feeder,
improved RF performance, available. which is an advantage for future co-siteing and
feeder sharing.
Convincing results from the field • Full band coverage, 60 MHz
Years of experience from commercial networks • High power capacity
have concluded significant improvements when • Automatic by-pass function
deploying TMAs: • Built in lightning protection
• 20-50% reduction of dropped calls • Excellent RF performance
• Up to 5% increase in total talk time • Connectors “in line” which means the RBS
connectors in one end and the antenna
Short payback time connectors in the other.
Increased traffic billing typically ensures an • Large distance between connectors simplifies
investment payback time of about 6-8 months. proper sealing work.
Further more, optimum network quality will • A range of accessories for flexible site
protect the operator’s most valuable asset — configurations.
The subscriber.
 Technical specifications for Double TMA 1900 - Standard

Electrical specifications
Bandwidth: 60 @ 1900 MHz
Receiving pass band: 1850-1910 MHz
Transmitting pass band: 1930-1990 MHz ANT A ANT B
Input power +10-32 VDC
Current consumption 110 ± 5 mA
RX RX
1900 MHz frequency band
Gain: 12 ± 0,8 dB LNA LNA
Input IP3, typical: > 16.5 dBm TX TX
IM3 at antenna port (2*44 dBm): <-115 dBm
Noise figure mid band, typical: 1.3 dB RX RX
TX max input power - continuously: 55 dBm DC Bias DC Bias

TX loss, typical: 0.55 dB

TX return loss, typical: >22 dB
RX return loss, typical: >23 dB RBS A RBS B

Mechanical specifications
Dimensions (WxHxD) 12 x 6 x 5.6 in (306 x 152 x 143 mm)
Weight: 16.1 lb (7.3 kg)

RF connectors: 7-16 DIN female

Ground connectors: M8
DC/Alarm: Superimposed on the RF signal.
Supports dual alarms.
Mounting: Pole or wall mounting

Environmental specifications
Temperature range, full performance: -27ûF - +130ûF (-33ûC - +55ûC)
MTBF: 80 years
Sealing: IP 67
Lightning protection: IEC 1024
Safety approval: ETL / CE— marking
Safety standard: IEC/EN 60950-1

Product name Product number

Double TMA 1900-S KRY 112 89/1

TMA Accessories
There are two Ericsson TMA support to power up this and other Ericsson TMAs

Internal TMA Support for RBS 2206/2106 (2207/2107) consists of

Bias Injector kit — KRY 101 1884/1 and
TMA Control Module — KRY 101 1873/1

External TMA Support for any RBS, including non Ericsson RBSs
TMA Support kit — NTM 202 68/x, is a pre-defined kit for a specific RBS.
The x defines the RBS and number of TMA sectors

Ericsson AB
SE-164 80 Stockholm
© Ericsson AB, 2005
 DUAL BAND TMA 800 / 1900
Dual Band TMA for 800 / 1900 MHz

When installed close to the antenna, this Tower Short payback time
Mounted Amplifier (TMA) improves uplink sensitivity, Increased traffic billing typically ensures an investment
which enhances the 800 MHz and 1900 MHz network payback time of about 6-8 months. Further more,
coverage and performance. optimum network quality will protect the operator’s
most valuable asset — the subscriber.
Feeder sharing
By operation both frequencies on the same feeders, Excellent reliability
dual band rollout is faster and installation costs are kept As the world’s largest supplier of TMAs, Ericsson has a
low. Further feeder sharing advantages include well-proven track record of reliable TMA designs.
Reliability enhancing features include dual LNAs,
minimized visual impact and tower load.
weatherproof design, integrated alarm and lightning
protection.
Boosting both 800 and1900 MHz performance
This TMA amplifies the 800 MHz uplink, as well as the Features
1900 MHz band. • Specified and verified as an integrated system
Ericsson has also a dual band TMA with only 1900 MHz solution for Ericsson RBSs
band amplification. The 800 are only diplexed in the • Uplink amplification for both 800 and 1900 MHz
TMA, to use the same feeder as 1900 MHz. • One RBS port for both bands, feeder sharing
• Two antenna ports
• Full band operation in both frequency bands
Convincing results from the field
• High power capacity — GSM and TDMA capable
Years of experience from commercial networks have • DC supply and status information superimposed
concluded significant improvements when deploying onto the RBS feeder
TMAs: • Automatic by-pass function
• 20-50% reduction of dropped calls • A range of accessories for flexible site configurations
• Up to 5% increase in total talk time • Built in lightning protection
Technical Specifications for Dual band TMA 800 & 1900 MHz
(Typical values)

Electrical specifications
Bandwidth: 25 @ 800 MHz, 60 @ 1900 MHz
Receiver pass band: 824-849 MHz and 1850-1910 MHz
Transmitting pass band: 869-894 MHz and 1930-1990 MHz

1900 MHz frequency band

Gain: 12 + 1 dB
Input IP3: 16 dBm
IM3 at antenna port (2*44dBm): -117 dBm
Noise figure mid band: 1.4 dB
TX max input power - continuously: 55 dBm
TX insertion loss: 0.55 dB Antenna Antenna
TX return loss: 22 dB 800 1900
RX return loss: 22 dB
Receive filter attenuation: 5 dB @ 1912 MHz

800 MHz Frequency band

Gain: 12 + 1 dB
Input IP3: 16 dBm
IM3 at antenna port (2*44dBm): -117 dBm
Noise figure mid band: 1.4 dB
TX max input power — continuously: 57 dBm
TX insertion loss: 0.55 dB
TX return loss: 22 dB
RX return loss: 22 dB
Receive filter attenuation: 30 dB @ 851 MHz RX/TX
800 & 1900
Mechanical specifications
Dimensions (WxHxD): 11.8 x 11.3 x 4.6 in (301 x 287 x 116 mm)
Weight: 25.4 lb (11.5 kg)
RF connectors: 7-16 DIN female
Ground connectors: M8
DC/Alarm: Superimposed on the RF signal
Mounting: Pole or wall mounting

Environmental specifications
Temperature range, full performance: -27˚F - +131˚F (-33˚C - +55˚C)
MTBF: 80 years
Sealing: IP 65
Lightning protection: IEC 1024
Safety approval: ETL — marking
Safety standard: UL 60950-1

Product name Product number

Dual band TMA for 800 & 1900 MHz KRY 112 75/1

Similar Dual band TMA

Dual band TMA 1900 with 800 bypass KRY 112 76/1
(UL- amplification on 1900 MHz only)

TMA Accessories
Internal TMA Support for RBS 2206/2106 (2207/2107) consists of
Bias Injector kit — KRY 101 1884/1 and
TMA Control Module — KRY 101 1873/1

External TMA Support for any RBS, including non Ericsson RBSs
TMA Support kit — NTM 202 68/x, is a pre-defined kit for a specific RBS.

Ericsson Diplexers
To combine the 800 and 1900 MHz onto the same feeder, several types of diplexers are available.
(Product number: FAB 102 863/x)

Ericsson AB
SE-164 80 Stockholm
www.ericsson.com © Ericsson AB, 2005
 GSM

Dual Duplex Tower Mounted Amplifier Fullband

for 1900 MHz

When installed close to the antenna, this Tower Mounted When improving existing network
Amplifier (TMA) enhances the overall network perfor- Continuous improvement to the quality of the network
mance and coverage. This is due to reduced system and sufficient coverage is vital for operators. With the
noise figure and improved uplink sensitivity. installation of TMAs the extra traffic generated provides
a typical payback time of 2–12 months and increases the
Improved operator business – futureproof net revenue.
Operators are now facing a familiar syndrome, where they
are forced to merge or share network frequencies. This Key features
Ericsson dual duplex TMA eliminates any problems this • The only approved dual duplex fullband TMA
could cause, by covering the entire GSM 1900 band. for Ericsson GSM 1900 MHz RBSs.
• Full 60 MHz bandwidth – futureproof and
When building new networks logistically simple
Fast deployment is crucial in a new network rollout. This • Optimized for Ericsson’s RBS 2102 / 2202 and
is where the Ericsson dual duplex TMAs can provide a RBS 2106 / 2206
cost-effective solution that gives a faster rollout with a • Compact casing
reduction of the initial investments.

e
Convincing results from the field Excellent reliability
Actual test from the field in existing networks have The durable Ericsson dual duplex TMAs have lightning
shown significant improvements: protection, dual amplifiers and alarm functionality,
20–50% reduction of dropped calls and up to 5% providing continuous, dependable performance, even
increase in total talk time. when mounted in hazardous weather environments.

Technical Specifications for Dual Duplex TMA for GSM 1900

Dual Duplex Tower Mounted Amplifier KRY 112 71

Electrical specifications
Bandwidth: 60 MHz
Receiver pass band: 1850 – 1910 MHz
Transmitting pass band: 1930 – 1990 MHz
Gain: 12 dB
Input IP3, better than: 12 dBm
Tx loss, typical: 0.5 dB
Tx/Rx Return Loss, typical: 20 dB
ANT Return Loss, typical: 20 dB
Noise figure, typical: 1.7 dB
Maximum power handling, continuous: 54 dBm (250 W)
All IM*/ in receiving band (2 x 43 dBm CW): < –121 dBm
DC powering / Alarm handling: Superimposed on the RF feeder. Dual alarm levels.
Impedance: 50 Ohm
Type approval: Ericsson TMA + BTS fulfils ETSI requirements

The production and the materials are environmentally approved. All specifications are subject to alteration without prior notice. Printed in Sweden. Tarle Decor AB. 12.2002
Mechanical specifications
Dimensions (H x W x D) 12.5 x 5.6 x 3.7 in (316 x 141 x 95 mm)
Weight: 13.2 lb (6.0 kg)
RF connectors: 7-16 female
Ground connector: M8 bolt & nut
Mounting: Pole or wall mounting

Environmental specifications
Temperature range, full performance: -27 °F to +130 °F (-33 °C to +55 °C)
MTBF: 1 000 000 hours
Sealing: IP 65
Lightning protection: IEC 1024
Safety: UL1950, ETL marking, EN 60950

Ordering numbers
ddTMA 1900 FB without LNA by-pass: KRY 112 71/1
ddTMA 1900 FB with LNA by-pass: KRY 112 71/2
Available ordering guides: EN/LZT 123 7019 and EN/LZT 123 7020

*/ Referring to IM5 and IM7 measured at the Antenna port.

IM3 considered subject to frequency planning.

Ericsson AB AE/LZT 123 6836 R3

www.ericsson.se © Ericsson AB 2002