Futaba 3PL 2.4G FHSS R2004GF Transmitter/Receiver Futaba 3PL 2.4GHz FHSS Radio System with the R2004GF 4-Channel Receiver Three proportional channels and a fourth channel for special mixing Special mixing includes 4WS for crawlers or brake mixing on 1/5 scale requiring front and rear brakes. Easy to program; receiver binds with push-button ease Includes transmitter and receiver only; servos not included