(FrSky X4RSB 3/16ch 2.4Ghz Receiver. • SB port is compatible with Futaba S.BUS servos and FrSky SBUS&CPPM compatible servos. Compatibility: FrSky X-series modual (XJT, etc) & Taranis X9D in D16 Mode). Number of Channels: 3ch - Conventional Channels, 16ch with SBUS.
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