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FrSky X8R 2.4G 16CH SBUS Smart Port Full Duplex Telemetry Receiver With New Antenna - RcGoing
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FrSky X8R 8/16Ch S.Bus ACCST Telemetry Receiver W/Smart Port (no antenna cover)
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RPM - FrSky - Lets you set the limits
FrSky X8R 8/16 Channels Receiver (PWM/SBUS) - RadioMaster RC EU