Full System GNSS High Precision Board

ER-GB-02 Features:
1. 432 Super channels and dedicated fast capture engines;
2. Support BDS, GPS, GLONASS, Galileo and QZSS full system full frequency points;
3. Supports BD3 global signals.

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Introduction

ER-GB-02 Full System GNSS High Precision Board

Introduction

ER-GB-02 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.

Features

432 Super chanels 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

Applications

High-precision surveying and mapping

Ground enhancement System

Precision agriculture

Engineering machinery control

Specifications

Aisle	432 chanels based on Nebulas-II chip
Frequency	BDS B1/B2/B3, GPS L1/L2, GLONASS L1/L2 Galileo E1/E5a/E5b, QZSS L1/L2/L5
Single point positioning (RMS)	Plane: 1.5m, Elevation: 3.0m
DGPS (RMS)	Plane: 0.4m, Elevation: 0.8m
RTK (RMS)	Plane: 1.0cm+1ppm, Elevation: 1.5cm+1ppm
Cold start	<40s
Hot start	<10s
Recapture	>1s
Initialization time	<5s (typical)
Initial reliability	>99.9%
Differential data	RTCM 2.3/3.0/3.2
Data format	NMEA-0183, unicore
Data update rate*	20Hz
Positioning update rate*	20Hz
Time accuracy (RMS)	20ns
Speed accuracy (RMS)	0.03m/s
Observation accuracy (RMS)	BDS	GPS	GLONASS	Galileo
B1/L1 C/A/E1 code	10cm	10cm	10cm	10cm
B1/L1/E1 carrier phase	1mm	1mm	1mm	1mm
B2/L2P (Y)/L2C/E5a code	10cm	10cm	10cm	10cm
B2/L2P (Y)/L2C/E5a carrier phase	1mm	1mm	1mm	1mm
B3/L5/E5b code	10cm	10cm	10cm	10cm
B3/L5/E5b carrier phase	1mm	1mm	1mm	1mm
Physical properties
Size	100x60x11.4 mm
Weight	45g
Operating temperature	-40°C~+85°C
Storage temperature	-40°C~+85°C
Humidity	95% non-condensing
I/O interface	2x12 pin, 2x8 pin
Antenna interface	MMCX
External clock interface	MMCX
Vibration	GJB150.16-2009, MIL-STD-810
Shock	GJB150.18-2009, MIL-STD-810
Electrical index
Voltage	4.75~5.10 V DC, 0~100 mA
RTC	3.0-3.3V DC
Voltage ripple	100mV p-p (max)
Power consumption	2.8W (typical)
Function interface
Serial port	1 x UART (RS-232),2 x UART (LV-TTL), 115200bps
Network port	1x LAN, 10/100M
1PPS interface	2xLV-TTL
USB port	1xUSB 2.0 Host & Deveice
CAN port	1xCAN
Odometer	1x wheel pulse, 1xdriving direction