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Matek Systems - ExpressLRS 2.4GHz PWM Receiver, R24-P6

Item Code: HP0024-0103
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  • Description


  • ESP8285, SX1281
  • Antenna connector: IPEX MHF 1
  • 6x PWM outputs
  • Support 2~8S VBat voltage sense
  • RF Frequency: 2.4GHz (2400~2480MHz)
  • Telemetry power: 12dbm
  • Receiver output protocol: PWM
  • Input voltage: 4~9V DC @ “+” pad
  • Voltage sense: 34V Max. @ “VBat” pad
  • Power dissipation:  45mA(binding), 85mA(wifi mode)
  • PCB size: 20mm x 18mm
  • Weight: 2g w/ antenna
  • Packing:
    • 1x ELRS-R24-P6
    • 1x IPEX MHF1 Antennas. 15cm
    • Dupont 2.54 pins  (Board is shipped unsoldered)


  • ExpressLRS 3.0 or newer,   DIY 2.4 GHz / DIY 2400 RX PWMP EX
  • Make sure Receiver and TX module both are running ExpressLRS 3.0 or newer


  • Receiver has ExpressLRS 3.0 preloaded with binding phrase “123456”,  the Receiver will never enter binding mode if using the traditional binding procedure.
  • You need to reflash it with your binding phrase OR go into WebUI to set your binding phrase.

Flashing via Wifi

  • Disconnect ESC and servos from receiver first.
  • Power on receiver by 5V source. Receiver’s LED(Red) will blink slow at first, and after 20s, it should blink fast indicating it’s on Wifi Hotspot Mode.
  • Target: DIY 2.4 GHz / DIY 2400 RX PWMP EX

Flashing via UART

  1. Disconnect ESC and servos from receiver first.
  2. Wire the receiver into the USB-TTL adapter, with TX on receiver connected to the Rx on the USB-TTL, and RX on receiver connected to the Tx of the USB-TTL. Wire 5V and GND of the USB-TTL to 5V and GND of the Receiver.
  3. Press the boot button while powering on the receiver, then release – the Red LED on receiver should now be solid.
  4. Select the target DIY 2.4 GHz / DIY 2400 RX PWMP EX  and  “UART” for Flashing Method,  set your bind phrase and Firmware Options and once done, click on Build and Flash.