GRTK Introduction
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).
The module is based on a new generation of high-performance GNSS SoC chip design, supports multi-system multi-frequency RTK positioning, dual-antenna high-precision orientation, GPS, GLONASS, Beidou, Galileo & QZSS navigation and positioning, and heading with compass inside. It is mainly for high-precision positioning and orientation requirements such as drones, robots and intelligent driving.
Please read this manual carefully before using the GRTK centimeter-level positioning module. If you have any questions you don't understand, please contact our technical support email info@blicube.com.
If you are interested with GRTK, welcome to join GRTK Discord Community to give us feedback.
Performance
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) | 0.2 degree/1 m baseline |
Velocity Accuracy (RMS) | 0.03 m/s |
Time Accuracy (RMS) | 20 ns |
Time to First Fix (TTFF) | Cold start < 25 s |
Initialization Time | < 5s (typical) |
Reacquisition | < 1 s |
Correction | RTCM v2.3/3.0/3.2 |
Data Output | NMEA-0183 |
Update Rate | 20 Hz |
Inertial Navigation Accuracy | < 5% of distance travelled during GPS denied conditions |
Working Temperature | -20℃ to +85℃ |
Power Supply | 5v to 35v |
Power Dissipation | ~2.5W |
Compass inside | Support |
Physical size
Test Video
- Unmanned vehicle automatic route mission measurement.