Spektrum RC AR8020T DSMX 8 Channel Air Telemetry 2.4GHz ReceiverThe Spektrum AR8020T 2. 4GHz receiver is an ideal choice for pilots looking for DSM2 and DSMX compatibility, 8 channels, telemetry, and a smaller footprint while being compatible with a wide variety of aircraft. Boasting full telemetry capabilities, as well as an integrated barometer that provides altitude and Vario telemetry data all inside without any extra purchases necessary. Thanks to its telemetry focused design, Smart ESCs such as the Spektrum