Industrial-Grade Dual-Frequency Multi-GNSS Integrated Positioning Module
Model: UM621
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 |
| Positioning mode: Single-system standalone positioning; multi-system joint positioning |
| TTFF: Cold start: < 26 s; hot start: < 2 s; reacquisition: < 2 s |
| Positioning accuracy (CEP): Horizontal: 1.5 m (quad-constellation dual-frequency system, open sky) |
| INS-only positioning error: 3D gyroscope error + 3D accelerometer error + speed signal error: 2% × travel distance |
| Velocity accuracy (RMS): 0.1 m/s (GNSS) |
| 1PPS: 20ns |
| Sensitivity: GNSS tracking: -162 dBm; cold start: -148 dBm; hot start: -158 dBm; reacquisition: -160 dBm |
| GNSS data update rate: 1Hz / 5Hz* / 10Hz* |
| INS data update rate: 50 / 100Hz |
| Data format: 0183 NMEA, Unicore |
