The Spektrum AR620 air receiver is a full-range, 6-Channel sport receiver with DSMX/DSM2 compatibility and a compact footprint that's streamlined to fit in a wide range of models. More than just a simple box that connects your servos, the AR620 features an internal antenna design that delivers a whole new world of installation ease that includes a higher-level of durability and convenience while maintaining superior full-range performance for your electric or engine powered aircraft. In addition, the AR620 has been integrated with fly-by range telemetry that includes flight log and receiver battery pack voltage data. Access to telemetry is automatic when used with telemetry-capable Spektrum transmitters.* there's nothing to do in order to enjoy the peace-of-mind instantly knowing receiver battery voltage offers. No more bind plugs! Instead, a large bind button is used to enter the bind m