2.4GHz 4 channel receiver is compatible with FlySky Noble NB4 NB4+ NB4 Pro PL18 Transmitter, good for RC car and RC boat.
FGr4S adopts AFHDS 3, Flysky's third-generation automatic frequency hopping digital system. Easy to bind and very fast link-up, quick and extremely stable in performance.
It uses an internal single antenna with two-way transmission capabilities and is designed to be compact and easy to install.
The receiver supports PPM/i-bus/PWM data output, suitable for AFHDS3 system remote controller.
Ultra-small size and ultra-lightweight, effectively save space and reduce item's weight-bearing.