Flysky FGr4D Receiver Built-in Dual-Antenna PWM/PPM/i-BUS2/S.Bus/i-Bus Output Receiver for All AFHDS 3 Transmitter

["2.4GHz 4 channel receiver is compatible with All Transmitters with AFHDS3 Protocol, good for remote control Car and remote control Boat.","The FGr4D is a 4-channel two-way receiver based on AFHDS3(Third GenerationAutomatic FrequencyHoppingDigitalSystem) protocol.","This receiver features dual antennas, PPX6nanowaterproof.","It supports 4 New port function interfaces(Newport canbe customizedwithinputoroutput signaltypes: i-BUS2/S.BUS/i-BUS/PPM).","Ultra-small size and ultra-lightweight, effectively save space and reduce item's weight-bearing."]