06 · GNSSHeading
P20D
World lowest-power GNSS RTK + heading
Power <100 mW3D H/R/P
07 · GNSS · Multi-band
P20M
RTK across five constellations · under 50 mW
Tracks BDS, GPS, GALILEO, GLONASS and QZSS for continuous fixes through changing sky conditions. Under 50 mW, high cost-performance — well suited to wearable positioning and small UAVs.
Power <50 mWConstellations 5Class RTK
Overview
About the P20M
The P20M is a high-performance GNSS RTK module designed for applications requiring centimeter-level accuracy.
It supports BDS, GPS, GALILEO, GLONASS and QZSS, with up to 50+ satellites visible in the Asia-Pacific region, ensuring reliable and continuous positioning under various environmental conditions.
Key features
- 12 nm process technology
- Supports BDS, GPS, GALILEO, GLONASS, QZSS
- Small size and good IO compatibility
- Supports low power consumption and standby mode
Specifications
P20M technical specifications
| GPS / QZSS | L1 / L5 |
|---|---|
| BeiDou | B1I / B2a |
| GALILEO | E1 / E5a |
| GLONASS | G1 |
| Nav. update rate | 1 / 2 / 5 / 10 Hz |
| Tracking & nav. sensitivity | −165 dBm |
| Reacquisition sensitivity | −160 dBm |
| Capture sensitivity | −148 dBm |
| Cold start | ≤ 27 s |
| Hot start | 2 s |
| Fixed solution convergence | ≤ 10 s (short baseline or VRS under open sky) |
| Horizontal accuracy | 1 cm + 1 ppm |
| Elevation accuracy | 2 cm + 1 ppm |
| Speed accuracy | 5 cm/s |
| Velocity limit | 515 m/s |
| Altitude limit | 18 km |
| UART | 2 (default baud rate 115200) |
|---|---|
| PPS | 1 |
| Data formats | NMEA 0183, RTCM 3.3 |
| Supply voltage | 2.8 V ~ 4.3 V (3.3 V recommended) |
| RF antenna voltage | 3.3 V (consistent with mains voltage) |
| Low-power antenna supply | 1.8 V |
| Serial / PPS voltage | 2.8 V |
| Power | 12 mA × 3.3 V |
| Operating temperature | −40 °C to 85 °C |
| Storage temperature | −40 °C to 90 °C |
| Package | 16 × 12.2 × 2.4 mm |
Source: P20M Product Manual, V1.0.8 (2023-05-23). Specifications are subject to change — always confirm against the latest datasheet before designing a module into your product. Request the current revision →