Full System GNSS High Precision Board

ER-GM02 Features:
432 Super Channels and Dedicated Fast Capture Engines
Support BDS, GPS, GLONASS, Galileo and QZSS full system full frequency points
Supports BD3 global signals

Product Details

ER-GM02 Full System GNSS High Precision Board


ER-GM02 is a Full System GNSS High Precision Board developed based on the new generation of Nebulas-II high-performance SoC chips. It supports multiple satellite navigation systems such as BDS, GPS, GLONASS, Galileo, and QZSS. With superior tri-band RTK technology, it is mainly targeted at applications such as high-precision positioning, navigation, and mapping.


432 Super Channels and Dedicated Fast Capture Engines

Support BDS, GPS, GLONASS, Galileo and QZSS full system full frequency points

Supports BD3 global signals

Adaptive anti-narrowband interference up to 60dB

Hardware compatible market mainstream card interface and size

Carrier phase observations better than 1mm

New generation Nebulas-II high-performance SoC chip

Any single system independent positioning and multiple system joint positioning

Supports advanced multipath suppression technology and low elevation tracking technology

Centimeter-level high-precision RTK positioning

Support traditional interfaces such as serial port, network port, 1PPS, external clock input


High-precision surveying and mapping

Ground Enhancement System

Precision agriculture

Engineering machinery control


Aisle432 channels based on Nebulas-II chip
FrequencyBDS B1/B2/B3
Galileo E1/E5a/E5b
Single Point Positioning (RMS)Plane: 1.5m
Elevation: 3.0m
DGPS (RMS)Plane: 0.4m
Elevation: 0.8m

Plane: 1.0cm + 1ppm

Elevation: 1.5cm + 1ppm

Cold start<40s
Hot Start<10s
Initialization time<5s (typical)
Initial reliability>99.9%
Differential dataRTCM 2.3/3.0/3.2
Data FormatNMEA-0183, Unicore
Data update rate *20Hz
Positioning update rate *20Hz
Time accuracy (RMS)20ns
Speed accuracy (RMS)0.03m/s
Observation accuracy (RMS)BDSGPSGLONASSGalileo
B1 / L1 C / A / E1 code10cm10cm10cm10cm
B1 / L1 / E1 carrier phase1mm1mm1mm1mm
B2 / L2P (Y) / L2C / E5a code10cm10cm10cm10cm
B2 / L2P (Y) / L2C / E5a carrier phase1mm1mm1mm1mm
B3 / L5 / E5b code10cm10cm10cm10cm
B3 / L5 / E5b carrier phase1mm1mm1mm1mm
Physical properties
Size100 x 60 x 11.4 mm
Operating temperature-40°C~+85°C
Storage temperature-40°C~+85°C
Humidity95% non-condensing
I / O interface2x12 pin,2x8 pin
Antenna interfaceMMCX
External clock interfaceMMCX
Electrical index
Voltage4.75 ~ 5.10 V DC ,0~100 mA
RTC3.0-3.3V DC
Voltage ripple100mV p-p(max)
Power consumption2.8W (typical)
Function interface
Serial port1 x UART (RS-232),
Network port1x LAN,10/100M
1PPS interface2xLV-TTL
USB port1xUSB 2.0 Host&Deveice
CAN port1xCAN
Odometer1x wheel pulse, 1x driving direction


1. What is your quotation condition?

If you have DHL or Fedex account ,we can quote EXW price ,otherwise CIF or FOB price.

2.Do you have any discount when procurement? 

We will quote sample price at first and we will quote volume price if you need more quantity.

3.How long is the delivery time?

For sensors,parts,modules : in stock-one week;no stock-2-4weeks; For systems,generally ,8-12 weeks.

4.How to deal with the quality problems?

If confirmation of product quality problem we can replace it freely for customer in the shortest period.

If interested in Full System GNSS High Precision Board, pls contact us : info@ericcointernational.com

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