Description The Futaba R203GF is a compact 3‑channel 2.4 GHz S‑FHSS / FHSS surface receiver designed for use with compatible Futaba FHSS and S‑FHSS transmitters (such as the 3PRKA or 3PV radio systems). It provides reliable radio control for electric‑powered surface RC cars and trucks, with automatic detection of the reception mode and support for both normal and high‑speed output rates.