FrSky R9 and R9M radio control system is the first FrSky long range system which works in 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.

Features:

• 900MHz/868MHz working mode
• Long range, low latency and high precision RC system
• 4 Optional RF power (Non-EU Version)
• Telemetry mode（25mW）/non-telemetry mode（200mW / 500mW） (EU Version)
• RF Power (Flex): 10mW/100mW/500mW/1W (telemetry supported for all levels)
• Smart Port enabled and support telemetry data transmission
  

Specifications:

Compatibility: R9 series

Vin Voltage Range: 6.5V~13V

External Power Supply: 6.5V~13V

Telemetry Interface: Smart Port

Upgrade Interface: Smart Port

Modulations: PXX or CPPM (auto-detected)