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.
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
Stable and reliable
Full constellation and full frequency
Support customized protocol
Rich application experience
Support friendly webUI and LCD
Provide standard and optional accessories
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 |
Vertical: 3.0 m | |
Static | Horizontal: 2.5 mm + 1 ppm |
Vertical: 5.0 mm + 1 ppm | |
RTK | Horizontal: 10 mm + 1 ppm |
Vertical: 15 mm + 1 ppm | |
Measurement Precision(RMS) | Code: 10 cm |
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 |
Dimensions | 222 × 164 × 79 mm |
Weight | 1.8 Kg |
Voltage | 12 VDC± 10% |
Operating | -40℃~+65℃ |
Storage | -40℃~+80℃ |
Humidity | Relative humidity,95% non-condensing |
Connector | BNC(F),50 Ω |
External Clock Input Frequency | 10 MHz |
Signal Level | 0 dBm ~ 10 dBm |
Antenna Connector | TNC,50 Ω |
Acceptable RF Input Level | -80 dBm ~ -105 dBm |
LNA | 4.75 ~ 5.10 V, 0 ~ 100 mA |
Serial Port | 1* RJ45 |
Ethernet | 1* SMA |
1PPS | 1 |