K902 GNSS Module
IntroductionK902 integrates the QC7820 SoC and an onboard IMU, enabling seamless RTK positioning through GNSS/INS fusion. It features multi-constellation support, advanced anti-interference, CAN/Ether
| K902 integrates the QC7820 SoC and an onboard IMU, enabling seamless RTK positioning through GNSS/INS fusion. It features multi-constellation support, advanced anti-interference, CAN/Ethernet interfaces. It's designed specifically for applications in intelligent driving, UAV, robotics, surveying & mapping, and digital construction. |
| ·Support GPS, BDS-2, BDS-3, GLONASS, GALILEO, NAVIC, QZSS and SBAS |
| ·RF&BB Integrated High-Precision GNSS SoC Chip |
| ·Brand New Dual Core CPU Structure |
| ·Support PPP-B2b, PPP-HAS Service |
| ·Support GNSS+INS Navigation |
| ·Support CAN & Network |
| Channels | 1688 |
| Signal Tracking | GPS: L1C/A, L2P, L2C, L5, L1C |
| BDS-2: B1I, B2I, B3I | |
| BDS-3: B1I, B3I, B1C, B2a, B2b | |
| GLONASS: G1, G2, G3* | |
| Galileo: E1, E5b, E5a, E5 AltBoC*, E6c* | |
| QZSS: L1C/A, L2C, L5, L1C | |
| SBAS: L1C, L5/A | |
| NAVIC*: L5 | |
| Cold Start | < 20 s (Adding Acceleration Capture Module) |
| Hot Start (with RTC) | < 10s (Typical) |
| Signal Reacquisition | < 1s |
| RTK Initialization time | < 5s (D < 10km) |
| Initialization Reliability | > 99.9 % |
| Velocity accuracy | ≤ 0.02 m/s |
| Time Accuracy | 20ns |
| PPP Convergence Time | < 15 min |
| Post Processing | 2.5 mm + 1 ppm Horizontal |
| 5 mm + 1 ppm Vertical | |
| Single Baseline RTK | 8 mm + 1 ppm Horizontal |
| 15 mm + 1 ppm Vertical | |
| DGPS | <0.4 m RMS |
| SBAS | 1 m 3D RMS |
| Standalone | 1.5 m Horizontal; 3 m Vertical |
| PPP | 0.1 m Horizontal; 0.2 m Vertical |
| ADR Position Error | <3% of distance travelled without GNSS |