The "T6K V3S" uses a 2.4 GHz two-way communication system and T-FHSS AIR for airplanes, helis, and multicopters, as well as enhanced glider functionality, making it a basic model with a high performance propoo that can be used to pursue endless possibilities. Transmitter: T6K V3S A (T-FHSS AIR); Receiver: R3006SB(T-FHSS AIR)