Automotive-Grade Dual-Frequency Multi-GNSS High-Precision RTK Positioning Module
Model: UM680A
Specifications
| Manufacturer: Unicore |
| Channels: 96 channels, based on UFirebird II |
| Frequency: GPS L1C/A, L5; BDS B1I, B1C*, B2a; GLONASS G1*; Galileo E1, E5a; NavIC L5*; QZSS L1, L5; SBAS L1C/A |
| Modes: Single-system autonomous positioning; multi-system joint positioning |
| TTFF: Cold start: ≤ 26 s; hot start: ≤ 2 s; reacquisition: ≤ 2 s |
| Single-point positioning (RMS): Horizontal: 1.5 m (open sky); vertical: 2.5 m (open sky) |
| RTK (RMS): Horizontal: 1 cm + 1 ppm (open sky); vertical: 1 cm + 1 ppm (open sky) |
| Velocity accuracy (RMS)²: 0.05 m/s |
| 1PPS: 20 ns |
| Sensitivity (GNSS): BDS, GPS, GLONASS, Galileo; tracking: -162 dBm; cold start: -147 dBm; hot start: -157 dBm; reacquisition: -158 dBm |
| Data update rate: 1Hz / 5Hz / 10Hz |
| Correction: RTCM V3.X |
| Data format: 183 NMEA, Unicore |
