Suitable for the transmitter FUTABA 3PV, 4PV, 4PM, 4PL, 4PX, 7PX, 7PXR etc. Of Channels：4CH+S.BUS2 PWM Mode：Normal/ High Speed. Powerhobby ARX-471R 2.4G T-FHSS HV 4-Channel Receiver Futaba Radio Compatible.
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