The accuracy of Unicore GNSS receivers ranges all the way from meter, though sub-meter and centimeter, down to the millimeter level.

Using our own unique technology Unicore has successfully developed and fielded series of multi-system, multi-frequency, high-performance System on a Chip (SoC), and a range of high-precision, board-level GNSS receivers and navigation/timing modules.

Applications include Continuously Operating Reference System (CORS) reference stations, survey & mapping, precision agriculture, positioning & heading, vehicle monitoring, autonomous vehicle navigation, and precision timing – along with a number of other

Unicore is a one-stop provider of GNSS SoC chips and GNSS receivers, with extensive experience in the design, verification, development, implementation and production of highly integrated ICs, along with multi-system high-performance GNSS baseband algorit

Unicore Communications, Inc. is a technology company focused on the design & development of highly integrated ICs, algorithms and GNSS receivers.

Home > Product Center > UR380


BDS/GPS/GLONASS Tri-system Octa-frequency High Precision Receiver

Brief Introduction

UR380 is tri-system octa-frequency high precision BDS/GPS/GLONASS CORS receiver, based on Unicore’s multi-system multi-frequency high performance SoC -NebulasTM. Together with the built in large memory, a high-capacity rechargeable lithium-ion battery, a variety of communication interfaces such as serial, Ethernet and wireless, as well as a friendly user interface, the complete hardware fits in a rugged, compact unit.

Basic Features

• Based on multi-system, multi-frequency, high performance SoC - NebulasTM

• Millimeter level carrier phase observation Excellent low elevation angle signal tracking performance

• Advanced technology of multi-path mitigation

• In support of the single system independent positioning and multi-system interoperation

• Secure and stable embedded Linux OS

Product Characteristics

• Support eight frequency: BDS B1/B2/B3 + GPS L1/L2/L5 + GlONASS L1/L2

• Built-in 16G memory, supports USB OTG data download

• Supports NTRIP real time data streams and FTP file transfer

• Supports WiFi, Bluetooth and 3G - commuication

• Built-in high capacity lithium-ion battery, and can work continuously for more than 12 hours

• Rugged sealed alloy enclosure to meet IP65

Data Manual

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Technical Index

Performance Specifications

Channel 384 channel,based on Nebulas SoC Reacquisition 1s
Frequency BDS B1/B2/B3 Initialization Time <10s (Typical)
GPS L1/L2/L5 Initialization Reliability >99.9%
GLONASS L1/L2 Frequency Correction RTCM 2.x/3.x, CMR
Single Point
Position (RMS)
Horizontal:1.5m Data Output NMEA-0183,UNICORE,BINEX
Vertical:3.0m Update Rates* 20Hz(optional)
Static Horizontal: 2.5mm + 1ppm Memory 32G*
Vertical: 5.0mm + 1ppm Time Accuracy(RMS) 20ns
RTK (RMS) Horizontal:10mm + 1ppm Velocity Accuracy(RMS) 0.03m/s
Vertical:15mm + 1ppm Control Interface WEB、256 × 64 OLED
Measurement Precision(RMS) Code: 10cm 4*LED,7*buttons
Carrier Phase: 1mm Network Protocol NTRIP、HTTP、FTP
Time to First Fix (TTFF) Cold Start:50s    

Physical Specifications

Dimensions 222 × 164 × 79 mm Humidity Relative humidity,
Weight 1.8Kg 100% non-condensing
Operating -40℃~+75℃(without battery) Waterproof and dustproof IP67
-30℃~+65℃(with battery)    
Storage -40℃~+80℃    

Electrical Specifications

Connector LEMO,50Ω
External Clock Input Frequency 10MHz
Signal Level 0 dBm ~ 10 dBm

RF Input/LNA Power Output

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

External Oscillator Input

Connector TNC,50Ω
External Clock Input Frequency 10MHz
Signal Level 0 dBm ~ 10 dBm

Functional Ports

Serial Port 2*RS-232(DB9, LEMO) Wireless WiFi 802.11g、Bluetooth 2.0,3G(WCDMA)
1*RS-232/485(LEMO) USB 1*Mini,support OTG
Web Interface 1*RJ45 1PPS 1(Shared with COM1)
EVENT 1*SMA SIM card slot 1

Application Area