Frsky R9 SX 868MHz Long Range Receiver (ACCESS OTA) Avatar HD because the DroneCAN H-RTK F9P

because the DroneCAN H-RTK F9P Rover is here to make your drone escapades less about lost signals and more about limitless exploration

Arm thickness: 5MM

Suggested batteries are the TheFPV 2S 450mah

Battery shipping restrictions may apply to certain countries

5mm，φ4mm

Frsky R9 SX 868MHz Long Range Receiver (ACCESS OTA) Avatar HD because the DroneCAN H-RTK F9PThe R9 SX is the enhanced version of the R9 Slim series of long range capable receivers. It adds 3 pin servo connectors with 6 full PWM channels and utilizes the dual antenna design. The light weight protective shell has a Multi use 6 pin plug to bring you additional functions like signal redundancy, telemetry feedback, external battery detection and more. Flexibility is a key feature of this receiver. The 6 PWM channels can be converted to 4 PWM