Product overview
The P900 belongs to Holybro's Microhard telemetry radio range, which integrates Microhard Pico Series RF modules for wireless serial communication. Mesh operation is available only on the P900 within this range.
The P900 operates in the 902–928 MHz band. Radio selection depends on the frequency band available in the user's country.
A JST-GH connector allows the radio to connect directly to the TELEM port on various flight controllers.
Specifications
| Specification | Value & conditions |
|---|---|
| Operating frequency | 902–928 MHzP900; select according to the frequency band available in the user's country |
| Mesh operation | Auto-routing meshP900 only |
| Model | Holybro Microhard P900 Telemetry Radio; Microhard Pico Series RF module |
| Frequency range | 902–928 MHz ISM |
| Transmit power | 100mW to 1W (20–30dBm)Software adjustable |
| Link rate | Up to 276 kbps; transparent, low latency |
| Serial baud rate | Up to 230.4 kbpsAsynchronous |
| Spreading method | Frequency Hopping Spread Spectrum (FHSS) |
| Operating modes | Mesh, Point-to-Point, Point-to-Multipoint, Store and Forward, Auto Routing, Self Healing, Packet Routing Modes |
| Mesh networking | True Mesh with auto-routing |
| Input voltage | DC7~35V4-position JST-GH power input |
| Power regulation | Onboard high-voltage BEC |
| Current consumption | Less than 1mASleep |
| Current consumption | 3.5mAIdle |
| Current consumption | 45mA to 98mAReceive |
| Current consumption | 1000mA to 1400mATransmit |
| Error detection | 32-bit CRC, ARQ |
| Error correction | Selectable retransmission and forward error correction |
| Antenna gain | 5dBi |
| Weight | 44gWithout antenna |
| Weight | 71gWith antenna |
| USB interface | USB Type-C with integrated USB-to-UART converter |
| Telemetry connector | 6-position JST-GH |
| UART indicator | UART transmission LED |
| Signal strength indicator | Three-stage RSSI LED |
| Configuration interfaces | AT commands through Data port; PicoConfig application through Diagnostic Port |
| Diagnostics | Separate diagnostics port; transparent remote diagnostics; online network control |
| FCC ID | NS913P900 |
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