FrSky Receiver X4RSB

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Stock: Out of stock


Including 21% VAT

This small Full Range X4R-SB receiver from FrSky features 2 traditional PWM outputs (normal servo's at port 2 and port 3), 1 CPPM output with 8 channels (port 1) and 1 SBUS port with 16 channels. The FrSkky X4R-SB receiver also features the newest Smart Port and a traditional telemetry port.

De X4R-SB is smaller than the X6R and X8R and also lighter, but still gots 8 channels over CPPM, 2 traditional PWM channels and 16 channels over SBUS and the newest Smart Port with support for the new digital hubless sensors from FrSky. The traditional analog telemetry port can still be used to hook up all the older analog sensors!

Note: this version of the X4R featurest CPPM output, SBUS output and 3 PWM channels. Note: the FrSky X4R-SB receiver has to be flashed with the same firmware as your transmit module/transmitter. Our X4R-SB receiver is flashed with the newest EU LBT firmware to comply with the newest European law.


  • Measurements: 40mm x 23mm x 9mm (l x b x h)
  • Weight: 6 gram with case
  • Operating Voltage Range: 4V-10.0V
  • Operating Current: 100mA@5V
  • Operating Range: >1.5km (Full Range)
  • Firmware Upgradeable​
  • Antenne: 150mm full range antennas

​Works with

  • FrSky Taranis (x9d)
  • FrSky Taranis plus (x9d plus)
  • XJT module

Note: This receiver comes with the newest EU LBT firmware to comply with the new EU guideline (ETSI EN 300 328 V1.8.1). The Taranis or XJT module must be flashed with the same firmware version (EU or non-EU) as the receiver. Another option is to flash the receiver with the same firmware version as your transmitter if you don't want to upgrade your transmitter to the newer EU firmware.


  • Model: FrSky_X4RSB
  • Shipping Weight: 36gr
  • Stock: Out of stock
  • EAN:
  • Manufactured by: FrSky

This product was added to our catalog on Monday 02 March, 2015.