CUAV P9 Radio


P9 Radio is a new line-of-sight drone data link communication module from CUAV. It features high power, high speed, and high receiver sensitivity, making it ideal for use in drone communications systems.



Technical Specifications

working frequency 902-928 MHz
Transmission technology frequency hopping
Forwarding error detection Hamming /BCH/Golay/Reed-Solomon
error detecting Error Detection 32 bits of CRC, ARQ
encrypt Optional (see –AES option)
range 40 mile ( s ) (60 km)
sensitivity -110 dBm @ 115.2 kbps
-108 dBm @ 172.8 kbps
-107 dBm @ 230.4 kbps
output power 100mW - 1W (20-30dBm)
serial interface 3.3V CMOS TTL
Baud rate 57600(Changeable)
Airspeed 115 - 276 kbps
operator schema Mesh, Auto Routing, Store and Forward,Self Healing, Packet Routing Modes
Blocking +/- 1 MHz > 55 dBc
+/- 2.5 MHz > 60 dBc
+/- 5 MHz > 65 dBc
> 930 MHz > 70 dBc
< 890 MHz > 70 dBc
Remote Diagnostics Battery Voltage, Temperature, RSSI,Packet Statistics
service voltage 5.0V + -0.25V
Interface current Sleep < 1mA
Idle 3.5mA
Rx: 35mA to 80mA
Tx : 800mA to 1200mA
Antenna interface SMA
interface GH1.25-6P&USB
Environmental -55℃ ~ +85℃
Weight 51.2MM*38.2MM*15.5MM
Order Option s
-AES 128-bit AES Encryption (requires permit for export outside of Canada and USA.)
-ENC Enclosed Model


P900 pinouts

Use Guide

Default parameter

The factory link rate default value is 115200, the interface rate is 57600, and the peer broadcast mode.

If you want to modify it, see the Software Configuration Guide.

Connection with Flight Control

PixHack: Radio Interface Plugged into Flight Control

Pixhawk: plug into the flight controller's telem1 or telem2 interface

V5+ : Green connector is connected to V5+, white connector is connected to digital transmissio

Ground station use

In theory, the ground stations of the PIX are compatible. Please select 57600 baud rate when connecting. Note whether the driver is installed correctly and whether the port number is selected.

mission planner

Power Requirements

The ground end must ensure that the usb port supply current is greater than 1A, and it needs independent power supply. If the aircraft end is less than 1A in flight control output, it needs independent power supply.

Apply to other systems

If only the wireless data transmission module is used, please follow the interface definition and the system connection (RX-TX TX-RX GND-GND)

The default standard interface rate is 57600. The required interface baud rate can be changed according to the requirements.

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