FrSky R9 and R9M radio control system is the first FrSky long-range system which works at the frequency of 900MHz. The R9M module offers 4 switchable RF power outputs so you can choose the appropriate power for different flight situations. Compared to another FrSky 2.4GHz long range receiver like the L9R, the R9 receiver has a longer operating range up to 10KM and above. Moreover, the R9 is also a redundancy receiver which can connect to another receiver to ensure the security of your aircraft.
For external batteries, suggest to use 2S or below!
● 900MHz/868MHz working mode
● Long range, low latency and high precision RC system
● 4 Optional RF power (Non-EU Version)
● Telemetry（25mW） and non-telemetry （500mW） modes selectable （EU Version）
● Smart Port enabled and support telemetry data transmission
- Compatibility: R9 series
- Vin Voltage Range:4V-12.6V
- External Power Supply: 4V~12V (2s Li-Battery is recommended )
(*3s Li-Battery is not recommended as external power supply, or it will damage)
- Telemetry Interface: Smart Port
- Upgrade Interface: Smart Port
- Modulations: PXX or CPPM (auto-detected)