FRSKY ARCHER M+ 16/24CH ACCESS OTA 2.4GHz Micro ReceiverThe ARCHER M+ receiver features its tiny form factor and new ACCESS protocol. ACCESS provides the lower latency and increased performance of our previous XM+ receivers. With OTA (Over The Air) function support firmware upgrades will be very easy, no more wires. The ARCHER M+ has an S. Port F. Port that makes this tiny receiver also support the telemetry function with around 500 to 600 meters telemetry range. Now you can enjoy the audio feedback with