UR4B0_High-Precision GNSS Receivers | GPS Receivers | High-Precision GNSS Devices | High Precision CORS Receivers | Products

GPS/BDS/GLONASS/Galileo Multi-system
Multi-frequency High Precision Receiver

Applications

Features

Performance Specifications

Related Products

Brief Introduction

UR4B0 is a new generation, multi-system and multi-frequency high precision CORS receiver supporting triple-frequency BDS navigation satellite system. It is based on Unicore multi-system, multi-frequency and high performance GNSS SoC – Nebulas-II™ and features millimeter level carrier phase observation, large memory, multiple communication interfaces and protocols. It is especially suitable for surveying, meteorology, earthquake and deformation monitoring, scientific research and other high precision measuring and positioning fields.

Product Features

● Supports BDS BD3 signal
● Supports GPS L1/L2/L5 + BDS B1/B2/B3 + GLONASS L1/L2 + Galileo E1/E5a/E5b + QZSS L1/L2/L5
● Millimeter level carrier phase observation

● Built-in 32G memory
● Supports FTP server and FTP push file transfer
● Supports NTRIP real time data streams

More suitable for CORS

Stable and reliable
Full constellation and full frequency

Customized services

Support customized protocol
Rich application experience

Easy to use

Support friendly webUI and LCD
Provide standard and optional accessories

Performance Specifications

Channel	432 channels, based on Nebulas II GNSS SoC
Frequency	GPS L1/L2/L5
	BDS B1/B2/B3
	GLONASS L1/L2
	Galileo E1/E5a/E5b
	QZSS L1/L2/L5
Single Point Position (RMS)	Horizontal: 1.5 m
Single Point Position (RMS)	Vertical: 3.0 m
Static	Horizontal: 2.5 mm + 1 ppm
Static	Vertical: 5.0 mm + 1 ppm
RTK	Horizontal: 10 mm + 1 ppm
RTK	Vertical: 15 mm + 1 ppm
Measurement Precision(RMS)	Code: 10 cm
Measurement Precision(RMS)	Carrier Phase: 1 mm
Time to First Fix (TTFF)	Cold Start: 50 s
Reacquisition	1 s
Initalization Time	10 s（typical）
Initalization Reliability	99.9%
Correction	RTCM 2.x/3.x, CMR
Data Output	NMEA-0183,UNICORE
Update Rate	20 Hz（optional）
Memory	32G
Time Accuracy (RMS)	20 ns
Velocity Accuracy (RMS)	0.03 m/s
Control Interface	WEB、Uprecise
Network Protocol	NTRIP、HTTP、FTP

Physical Specifications

Dimensions	222 × 164 × 79 mm
Weight	1.8 Kg

Power Input

Voltage

12 VDC± 10%

Environmental Specifications

Operating	-40℃～+65℃
Storage	-40℃～+80℃
Humidity	Relative humidity,95% non-condensing

External Oscillator Input

Connector	BNC(F)，50 Ω
External Clock Input Frequency	10 MHz
Signal Level	0 dBm ~ 10 dBm

RF Input/LNA Power Output

Antenna Connector	TNC，50 Ω
Acceptable RF Input Level	-80 dBm ~ -105 dBm
LNA	4.75 ~ 5.10 V, 0 ~ 100 mA

Functional Ports

Serial Port	1* RJ45
Ethernet	1* SMA
1PPS	1

UB4B0

GPS/BDS/GLONASS/Galileo Multi-system
High-precision Board

Application Areas

Surveying and Mapping

CORS