Futaba 4PM Plus 4-Channel Radio System | R304SB Receiver T-FHSS SurfaceOverview The Futaba 4PM Plus is a feature packed 4 channel surface radio system delivering T FHSS technology and telemetry capability at an accessible price point. This transmitter combines advanced features like mixing, model memory, and programmable functions with intuitive operation, making it ideal for both entry level competitors and experienced hobbyists. The included R304SB receiver provides reliable T FHSS operation with telemetry support,