FrSky X4R 4 Channel Receiver with Smart Port

$28.59 $24.99

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FrSky X4R 4 Channel Receiver with Smart Port


FrSky's X4R receiver features 4 PWM outputs. 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 does not include the Sbus output. This is only a 4 channel receiver. No SBus 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: 4Ch from conventional channel outputs, without SBUS port
  • Operating Voltage Range: 4.0~10V
  • Operating Current: 100mA@5v
  • Operating Range: full range (>1.5km)


Firmware Upgradeable