FrSKY D4R-II 2.4 Ghz 4 Channel Receiver (w/telemetry)


  • $39.95

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This D4R-II is a full featured mini sized 4 channel receiver by FrSky.

What makes this receiver different the the D4FR? The D4R-II's data port allows you to connect a sensor hub so you can connect GPS, Variometer, temperature, RPM and all of the other great FrSky sensors. It also has 2 full length detachable antennas. All of this is available in a package just a little larger then the D4FR.

Please Note: Modifying this receiver from how it is originally supplied (removing casing/de-pinning etc) will void your warranty 


  • Firmware upgradeable!
  • 2 full length antennas (replaceable)
  • One external analog telemetry port and one digital data-stream port (connect to Sensor Hub FSH-01)
  • RSSI (PWM) and CPPM output - If CH3 and CH4 are connected by a jumper, CH1 will output RSSI (PWM), and CH2 will output CPPM for CH1~CH8
  • Lighter weight and physically smaller than D8R-II Plus; D6FR
  • larm warning on low voltage, poor reception, etc.
  • Compatible with FrSky two-way telemetry modules: TARANIS, DFT, DJT, DHT, DHT-U,


  • Dimension: 40*22.5*6mm
  • Weight: 5.8g / 5g (naked)
  • Operating Voltage Range: 3.5V-10.0V
  • Operating Current: 60mA
  • Operating Range: Full Range (>1.5km)
  • Resolution: 3072 (>11bit)

Instructions are here

Firmware upgrade instructions are here

Firmware is here

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