eRTK25

THE VISUAL GNSS RECEIVERS

WITH LASER PRECISION
eSurvey eRTK25 is a high-precision GNSS receiver integrating laser
ranging and a wide-angle dual-camera vision measurement system,
designed for efficient operation in challenging environments such
as daylight conditions, confined spaces, and extreme temperatures.

Laser + CAD AR Dual-Tech Max 60° Tilt Survey Multi-Constellation &

Integration Multi-Frequency Support
No-Leveling Measurement:
AR Stakeout: 1408 GNSS Channels: Simultaneously
Capture data while standing or moving,
Overlay CAD designs onto real-world processes signals from GPS, BDS,
even with the rod tilted up to 60°.
environments via AR, boosting on-site GLONASS, Galileo, QZSS, NavIC, SBAS,
Adapts to Complex Terrain:
efficiency by 40%. and L-Band, ensuring stable
Easily access confined spaces
Laser Precision: centimeter-level accuracy for global
(e.g., building corners, slopes)
Achieve centimeter-level accuracy positioning.
to boost efficiency.
with non-contact measurements, Dynamic Stability:
ideal for extreme temperatures Maintains precision even if the rod
or tight spaces. shakes, as long as the tip remains
High performance and stability: stationary.
The eSurvey eRTK25 integrates laser

ranging technology and AR vision Advanced Long-Range

stakeout, enabling robust Tx/Rx UHF Modem
centimeter-level positioning even
Integrated with the long range UHF
in harsh or constrained settings.
modem, the eRTK25 is compatible
Its multimodal sensor fusion ensures
with traditional major radio
operational adaptability across
protocols. The maximum
diverse scenarios, including full
communication distance can reach
daylight visibility, narrow spaces,
10 km with 1W transmit power
and extreme temperature ranges
in urban environments.
(-30°C to 70°C), making it ideal

for industrial, construction,

and geospatial applications requiring

precision in dynamic environments.

Website & Social media

Product Specification

eRTK25
THE VISUAL GNSS RECEIVERS
WITH LASER PRECISION
GNSS Performance System
GPS L1 C/A, L1C, L2P (Y), L2C, L5 Operation system Linux
BDS B1I, B2I, B3I, B1C, B2a, B2b Internal memory 8 GB
GLONASS L1, L2, L3 Bluetooth BT 5.0 BR + EDR, BLE
Satellites Galileo E1, E5a, E5b, E6 Wi-Fi IEEE 802.11 a/b/g/n/ac
tracking QZSS L1, L2, L5 SIM card
NavIC L5 TNC Connect internal radio with antenna
SBAS WAAS, GAGAN, MSAS, EGNOS, SDCM, BDS Type-C port Charge and data transmission
B2b PPP (Only for the Asian-Pacific
L-Band region),HAS 1 View status, update firmware,
Web UI set up working mode, download data, etc.
Channels 1408
Intelligent voice Broadcast working mode and status
Signal reacquisition < 1 second
MEMS
Cold start < 30 seconds Tilt sensor Fast initialization, dynamic tilt survey up to 60°
Warm start < 20 seconds
Hot start < 5 seconds
Physical
RTK signal initialization < 5 seconds
Initialization reliability > 99.9% Dimension Φ136 mm x H74 mm
Update rate 20Hz Weight 950 g
Operating temperature -30℃ +70℃
H: 2.5 mm + 0.1 ppm (RMS)
High precision static Storage temperature -40℃ +80℃
V: 3.5 mm + 0.4 ppm (RMS)
Water / dust proof IP67
H: 2.5 mm + 0.5 ppm (RMS)
Static and fast static Withstand topple over from a 2 m
V: 5 mm + 0.5 ppm (RMS)
Shock survey pole onto hard surfaces
H: 8 mm + 1 ppm (RMS) Survive a 1.2 m free drop
RTK
V: 15 mm + 1 ppm (RMS) Vibration Vibration resistant
H: 1.5 m (RMS) Humidity Up to 100%
Standard point positioning
V: 2.5 m (RMS) Indicators Satellites, datalink, battery, Bluetooth
H: 0.4 m (RMS) Button Power button, short press to voice
Code differential broadcast working mode and status
V: 0.8 m (RMS)
H: 0.8 m (RMS) Certificate FCC, CE, KC, ANATEL
SBAS
V: 0.8 m (RMS)
Correction data RTCM V3.X, RTCM2, CMR Internal Radio
GGA, ZDA, GSA, GSV, GST, VTG, Type TX and RX
Data output
RMC, GLL, Binary
Emitting power 2W
3-5 km typically
Operation range
Power Supply up to 15 km with optimal conditions 2
Rechargeable Frequency range 410 - 470 MHz
Battery Built-in Lithium-ion battery x 1 Channel spacing 6.25 kHz 3/ 12.5 KHz / 25 KHz
3.6 V ~ 13400 mAh
elink_Ultra, geotalk_Ultra FARLINK,
Voltage Type-C PD 12V/1.5A TRIMTALK, TRIMMK III , SOUTH, TRANSEOT,
10 hours as UHF with AR and Laser working Protocol GEOTALK, GEOMK3, SATEL, HITARGET, HZSZ,
Working time
PCCEOT, PCCEOT_SATEL, PCCFST,
Charging time Typically 5 hours PCCFST_ADL, SATEL_ADL

Internet Modem Visual Configuration

Global 4G Dual cameras with 5MP for the bottom
LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/ Pixel
and 5MP for the front
Supported band B13/B18/B19/B20/B25/B26/B28
LTE TDD: B38/B39/B40/B41 FOV 72° for the bottom and 90° for the front
WCDMA B1/B2/B4/B5/B6/B8/B19 Range 0.1-50m
Laser accuracy
GSM 850/900/1800/1900 MHz Accuracy ±1cm+5mm/m
1: It will be supported through future firmware update.
2: It varies with the obstacle, terrain and protocols.
3: It is only available for radio protocol "Satel".

+86 400-999-8088 esurvey-gnss.com