High precision RTK GNSS Module

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High precision RTK GNSS Module
Posting date : May 26, 2020
Free Member Scince Mar 25, 2010
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Place of Origin
Taiwan [TW]
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Detailed Description

High precision RTK GNSS ModuleThe RTK GNSS Module is based on high performance GNSS engine with integrated Real Time Kinematic (RTK) technology. RTK GNSS Module provides GNSS position with sub-decimeter accuracy using phase measurements of GPS and GLONASS signals. Integrated RTK technology introduces the concept of differential positioning of moving GNSS module with few cm-level accuracy - "Rover" (RTK GNSS Module) relative to the fixed GNSS module - "Reference station" (RTK GNSS Module or data from high-precision network). The Reference station sends RTCM corrections to the Rover via a communication link (Wi-Fi, Cellular, UHF Radio) enabling the Rover to output its position relative to the Reference station down to centimeter-level precision. RTK GNSS Module is ideal for those high precision applications where customer doesn't need to use excess functions of geodetic-class equipment for which he has to pay, such as: Precision Agriculture, UAV, Unmanned vehicles, Machine control, Monitoring systems of geodynamic processes. Communication with the module is accomplished through a dual serial interface (DUART) that supports GSN binary, NMEA 0183 v4.10 and RTCM v3.2 data protocols. Modules are offered in 22.1x15.9 mm 30-pad LCC package.

Integrated RTK technology and RTK GNSS module designed under support of Skolkovo foundation.

Key Features

  • Integrated Real Time Kinematics (RTK) Engine
  • Configurable operating modes: Reference station or Rover
  • Compact, energy- and cost-efficient RTK module
  • 1PPS output for precise timing applications
  • Binary and NMEA data outputs
  • RTCM v3.2 data input
  • RTK positioning update rate up to 5 Hz ; Raw data up to 10Hz
  • Position accuracy : Standalone 2.5 m CEP ; SBAS 2.0 m CEP ; RTK 0.02 m+1 ppm RMS
  • Dimension : 22.1 x 15.9 x 2.8mm
 Performance data
Type 44-channel engine 
Update rate RTK 1/2/5Hz
Raw data up to 10Hz
 Position accuracy Standalone 2.5 m CEP
SBAS 2.0 m CEP
RTK 0.02 m+1 ppm RMS
TTFF(1) Cold start 27s
Cold start(2) 36s
Warm start 25s
Hot start 2s
RTK(3) <60s


Cold start -147 dBm
Hot start -155 dBm
Tracking -163 dBm
Operating mode Base or Rover (set by user)
Package 30-pad LLC: 22.1x15.9x2.8mm
 Electrical data
 Main supply 3.3V
Backup supply 1.6~3.7V
Power consumption <180mW
 Serial interfaces 2 UARTs
NMEA v.4.10, GSN binary,
RTCM v3.3
 1PPS output Programmable duration and polarity
EVENT output RTK Status Flag
Velocity up to 515 m/s
Altitude up to 18000 m
Acceleration up to 4 g
Environmental data
Operating temp. -40 deg C to +85 deg C
Storage temp temp. -40 deg C to +85 deg C
 RoHS compliant (lead-free)
 Notes (1) All signals -130dBw (2) All signals -140dBw (3) Initialization time


ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO Park Jae Woo, TEL : +82-2-552-7676, E-mail : E-mail : Contact us
Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
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