Check the listing for details. FrSky R9M Transmitter Module (FCC) (2019 Edition) [FRK-3031804]. Condition: New. Listed at 44.99 USD. 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) About Us | View Store