This is the Futaba 4YF 2.4GHz FHSS 4-Channel Airplane Radio System, with an included R2004GF 4-Channel Receiver. Futaba quality, FHSS technology and an economical price make the 4YF 2.4GHz FHSS radio an excellent choice for cost-conscious modelers wanting an interference-free spread spectrum system for sport flying. The 4YF has always been a great value, and now Futaba has enhanced it with cutting-edge 2.4GHz performance and security! Frequency-hopping 2.4GHz FHSS technology results in a radio system that's as cutting-edge as it is easy to use! The R2004GF receiver is compatible only with electronics created specifically for 2.4GHz FHSS systems.
Frequency Hopping Spread Spectrum (FHSS) eliminates signal interference and frequency pins. The included R2004GF receiver features a flexible coaxial antenna that can be easily positioned inside the model for optimum reception. Easy, convenient push-button transmitter/receiver linking, with no binding plugs.Power Down Mode - reduces RF power for 90 seconds, simplifying ground checks for interference. All-channel servo reversing for more installation options. Power and servo reversing switches located out of the way to prevent accidental changes. Battery meter with green and red LED for instant "go/no-go" status.
Power Supply: 6V (4 "AA" batteries). Power Requirements: 4.8V or 6V (shared with servo). Current Drain: 30mA (at no signal).Size: 1.54x1.02x0.39 inches (39x26x10mm).