- High precision RTK module, supporting yaw by 2 antennas, very easy but efficient for positioning and orienting.
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GRTK is a dual-antenna high-precision differential positioning and directional module (Real Time Kinematics) independently developed by Blicube. A complete RTK system can be formed through two GRTK modules (one mobile terminal and one base station terminal).
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The module is based on a new generation of high-performance GNSS SoC chip ,supports multi-system multi-frequency RTK positioning, supports dual-antenna high-precision orientation, and supports GPS & GLONASS & Beidou & Galileo & QZSS navigation and positioning. Widely compatible with high-precision positioning and orientation requirements such as drones, robots and intelligent driving.
| item | |
|---|---|
| Frequencies | BDS B1I/B2I1 GPS L1/L2 GLONASS L1/L2 Galileo E1/E5b QZSS L1/L2 |
| Single Point Positioning (RMS) | Horizontal：1.5m Vertical：2.5m |
| DGPS (RMS) | Horizontal：0.4m Vertical：0.8m |
| RTK (RMS) | Horizontal：1cm+1ppm Vertical：1.5cm+1ppm |
| Heading Accuracy(RMS) | 0.2degree/1m baseline |
| Velocity Accuracy (RMS) | 0.03m/s |
| Time Accuracy (RMS) | 20ns |
| Time to First Fix (TTFF) | Cold start < 25s |
| Initialization Time | < 5s (typical) |
| Reacquisition | < 1s |
| Correction | RTCM v2.3/3.0/3.2 |
| Data Output | NMEA-0183 |
| Update Rate | 20Hz |
| Inertial Navigation Accuracy | < 5% of distance travelled during GPS denied conditions |
| Working Temperature | -20℃ to +85℃ |
| Input Voltage | 5v to 35v |
The module shell has four mounting holes for easy fixing. The specific dimensions are shown in the figure below.
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