UM982 Features
Based on the new generation GNSS SoC - NebulasIV, which 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 and E6-HAS
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 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 |
Physical Characteristics | |
Packaging | 48 pin LGA |
Dimension | 16.0 × 21.0 × 2.6 mm |
Weight | 1.82±0.03g |
Environmental Specifications | |
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 |
Communication Interface | |
3 × UART (LVTTL) 1 × SPI* 1 × I2C* 1 × CAN* (share the pin with UART3) Note: Items marked with * are only supported by specific firmware. |