Futaba 7C 2.4GHz Heli Tx/Rx Only Futaba's FASST (Futaba Advanced Spread Spectrum Technology) shifts very quickly virtually eliminating signal conficts and interruptions unlike other 2.4GHz systems that only stay on one or two frequencies Dual antenna diversity enables FASST system to automatically and seamlessly select the best reception between the two antennas built into the receiver ensuring that the aircraft stays under constant control of transmitter regardless of altitude Newly designed Dial-N-Key jog dial with joy stick