Unicore's new-generation proprietary high-precision positioning and heading module is designed to perform on-chip RTK positioning and dual-antenna heading. The built-in advanced anti-interference unit ensures reliable and accurate positioning data even in complex electromagnetic environments. UM982 is an ideal choice for high-precision applications such as UAVs, autonomous machines, and precision agriculture.
Based on Unicore's proprietary GNSS SoC NebulasIV that integrates RF, baseband and high-precision algorithm
Supports all-constellation multi-frequency on-chip RTK positioning and dual-antenna heading solution
Dual-RTK technology
60 dB narrowband interference suppression and interference detection
Adaptive recognition of RTCM format differential data
STANDALONE single-station high-precision positioning technology
Supports B2b-PPP, E6-HAS and QZSS L6E (MADOCA) PPP
Channel | 1408 channels, based on NebulasIV | ||||
Frequency | GPS L1C/A, L2C, L2P(Y), L5 | ||||
BDS B1I, B2I, B3I, B1C*, B2b* | |||||
GLONASS G1, G2 | |||||
Galileo E1, E5a, E5b, E6* | |||||
QZSS L1C/A, L2C, L5, L6 | |||||
SBAS L1C/A | |||||
Single Point Positioning (RMS) | Horizontal: 1.5m | ||||
Vertical: 2.5m | |||||
DGPS (RMS) | Horizontal: 0.4m | ||||
Vertical: 0.8m | |||||
RTK (RMS) | Horizontal: 0.8cm+1ppm | ||||
Vertical: 1.5cm+1ppm | |||||
Observation accuracy (RMS) | BDS | GPS | GLONASS | Galileo | |
B1I/L1 C/A/G1/E1 code | 10cm | 10cm | 10cm | 10cm | |
B1I/L1C/A/G1/E1 carrier phase | 1mm | 1mm | 1mm | 1mm | |
B2I/L5/E5a/E5b code | 10cm | 10cm | 10cm | 10cm | |
B2I/L5/E5a/E5b carrier phase | 1mm | 1mm | 1mm | 1mm | |
B3I/L2P(Y)/L2C/G2 code | 10cm | 10cm | 10cm | 10cm | |
B3I/L2P(Y)/L2C/G2 carrier phase | 1mm | 1mm | 1mm | 1mm | |
Heading Accuracy | 0.1°/1 m baseline | ||||
Time Accuracy | 20 ns | ||||
Velocity Accuracy (RMS) | 0.03 m/s | ||||
Cold Start | <30s | ||||
Initialization Time | <5s (typical) | ||||
Initialization Reliability | >99.9% | ||||
Data Update Rate | Dual antenna 20 Hz (RTK+Heading) | ||||
20 Hz raw data output | |||||
Differential Data | RTCM V3.X | ||||
Data Format | NMEA 0183, Unicore |
Packaging | 48 pin LGA |
Dimension | 16.0 × 21.0 × 2.6 mm |
Weight | 1.82±0.03g |
Working Temperature | -40°C~+85°C |
Storage Temperature | -55°C~+95°C |
Humidity | 95% No condensation |
Vibration | GJB150.16A-2009, MIL-STD-810F |
Shock | GJB150.18A-2009, MIL-STD-810F |
3 × UART (LVTTL) | |||||
1 × SPI* | |||||
1 × I2C* | |||||
1 × CAN* (share the pin with UART3) |
Note: Items marked with * are only supported by specific firmware.