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FrSky X4R-SB 3/16 Channel Receiver SBUS (w/telemetry)

$ 25.50


FrSky's X4R-SB receiver features 3 PWM outputs (normal servo) and 1 SBus port that carries all 16 channels.  Plus the exciting new Smart Port and a traditional A2 port are all located on the side port of the receiver. A FrSky FBVS can be connected to the A2 port for simple voltage monitoring. 

SBus allows you to have access to all 16 channels. Alternatively, you can use something like the FrSky SBus Decoder, this will allow you to add 4 normal servo outputs (pwm). You can also connect SBus servos directly to the SBus line. Just "Y" in as many SBus devices as you need.

Note: This version of the X4R does include the Sbus output and offers 3 channels via PWM. No CPPM output. 


  • Lighter weight and physically smaller than D8R-II & D6FR
  • Two selectable failsafe setting options - native failsafe or user programmable failsafe
  • RSSI (PWM) output
  • SB port is compatible with Futaba S.BUS servos and FrSky SBUS & CPPM compatible servos
  • External analog telemetry port (AD2)

FrSky X-series Module (XJT etc.) Taranis X9D in D16 mode(X4RSB is not work with D-series Module)


40*22.5*6mm (L x W x H)



Operating Range

full range (>1.5km)

Operating Voltage Range


Operating Current


Number of Channels

3/16Ch (1~3ch from conventional channel outputs,1~16ch from SBUS channel)



All available downloads are located here.

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