RadioMaster – ER5A 2.4GHz 5Ch ELRS PWM Receiver


with extra antenna

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We are now launching ER5 Series ELRS PWM receivers. ER5A ELRS PWM receiver for Aircraft applications, and the ER5C ELRS PWM receiver for surface & marine R/C applications.

ER5 Series Reciver


  • Supports 8.4V HV servos and accessories
  • Robust, injection-molded receiver casing
  • Fast response speeds, incredible range
  • Supports 4 proportional and 1 switch channel (ExpressLRS 2.x)
  • Supports 5 proportional channels (ExpressLRS 3.x)
  • Compact size, easy to install. Perfect for Surface, marine, and air R/C applications.


  • Item: ER5A 2.4GHz Receiver
  • Power supply: DC 4.5-8.4V
  • Antenna type: high sensitivity T-shape antenna
  • Wireless Protocol: ELRS 2.0 pre-installed
  • Output channel: CH1-4 standard PWM; CH5 switch (ON/OFF) PWM
  • Weight: 6.6 grams
  • Size: 37*19*13mm


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