Arkbird 433UHF Transmitter + Receiver Extended Range RC System 100mw-1400mw Adjustable Support Wfly Futaba FPV & Other. Product Introduction: ARKBIRD-433UHF is a 10-channel module designed for long-distance flight: 1. The advanced code division frequency hopping system (FHSS) produces the only way of frequency hopping sequence according to the only ID code of each transmitter, and […]