FrSky X4R SB 3/16 Channel Receiver with SBUS


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FrSky X4R SB 3/16 Channel Receiver with SBUS


FrSky's X4R receiver features 3 PWM outputs and an SBUS port that carries all 16 Channels. It has the Smart Port and the traditional A2 port, located on the side of the receiver. A FrSky FBVS can be connected to the A2 port for simple voltage monitoring as well as all of the Smart Port based sensors.

Smaller and lighter than the X6R.

This version of the X4R includes the Sbus output. This receiver offers 3 channels  and no CPPM output. 


SMART PORT is a signal wire full duplex digital transmission interface developed by FrSky Electronic Co., Ltd.  All products enabled with Smart Port (including XJT Module, X8R, X6R, X4R receivers, new hub-less sensors, new Smart Dashboard, etc.), serial port user data and other user input/output devices can be connected without limitations for numbers or sequences at a high transmission speed.


Taranis X9D in D16 mode(X4R is not work with D-series Module) or the XJT module.


  • Dimension: 40 x 22.5 x 6mm (L x W x H)
  • Weight: 5.8g
  • Number of Channels: 3/16Ch (1~3ch from conventional channel outputs,1~16ch from SBUS channel)
  • Operating Voltage Range: 4.0~10V
  • Operating Current: 100mA@5v
  • Operating Range: full range (>1.5km)


Firmware Upgradeable