07 · GNSSMulti-band
P20M
RTK across five constellations · under 50 mW
Power <50 mWConstellations 5Class RTK
06 · GNSS · Heading
P20D
World lowest-power GNSS RTK + heading
The world's lowest-power GNSS RTK and heading module with an integrated 6-axis IMU — under 100 mW at full performance, not idle. On-chip RTK, dual-antenna heading, and sensor fusion that holds up in GNSS-denied environments.
Power <100 mW3D H/R/P
Overview
About the P20D
The P20D is a new-generation all-constellation, dual-frequency high-precision positioning and heading module from FEYMAN, supporting BDS, GPS, GALILEO, GLONASS and QZSS.
It provides on-chip RTK positioning and dual-antenna heading computation, and can be operated either as a rover or as a base station. Its main target applications are UAVs, robotic mowers and precision agriculture.
Key features
- All-constellation dual-frequency RTK positioning with dual-antenna heading computation
- Supports BDS B1I/B2a, GPS L1/L5, GALILEO E1/E5a, GLONASS G1, QZSS L1/L5
- Low power consumption: 30 mA × 3.3 V while tracking all constellations
- Switchable between rover and base station operation
- Single- and dual-antenna input supported
- Heading hold after signal loss
Applications
- UAVs
- Robotic mowers
- Precision agriculture
Specifications
P20D technical specifications
| GPS / QZSS | L1 / L5 |
|---|---|
| BeiDou | B1I / B2a |
| GALILEO | E1 / E5a |
| GLONASS | G1 |
| Heading accuracy | 0.2° / 1 m baseline |
|---|---|
| Horizontal accuracy | 1 cm + 1 ppm |
| Vertical accuracy | 2 cm + 1 ppm |
| Tracking sensitivity | −165 dBm |
| Reacquisition sensitivity | −160 dBm |
| Acquisition sensitivity | −148 dBm |
| Cold start | 27 s |
| Hot start | 2 s |
| Velocity limit | 515 m/s |
| Altitude limit | 18 km |
| UART | 2 (default baud rate 115200) |
|---|---|
| PPS | 1 |
| RTK update rate | 1 / 2 / 5 / 10 Hz |
| IMU update rate | 50 / 100 Hz |
| Data formats | NMEA 0183, RTCM 3.3 |
| Main supply voltage | 2.8 V ~ 4.3 V (3.3 V recommended) |
|---|---|
| Antenna voltage | 3.3 V |
| UART / PPS logic level | 2.8 V |
| Power consumption | 30 mA × 3.3 V |
| Operating temperature | −40 °C ~ 85 °C |
| Storage temperature | −40 °C ~ 90 °C |
| Humidity | 95 % non-condensing |
| Package size | 21 × 16 × 2.6 mm |
Source: P20D Product Manual, V2.0 (2026-08-21). Specifications are subject to change — always confirm against the latest datasheet before designing a module into your product. Request the current revision →