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ELRS PWM Receiver RadioMaster ER3C-i for surface models
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  • ELRS PWM Receiver RadioMaster ER3C-i for surface models
  • Compact RC receiver RadioMaster ER3C-i with ceramic antenna
  • RadioMaster ER3C-i 2.4GHz ELRS PWM Receiver
  • RadioMaster ER3C-i – 2.4GHz ELRS PWM Receiver 3CH
  • RadioMaster ER3C-i – 2.4GHz ELRS PWM Receiver 3CH
  • RadioMaster ER3C-i – 2.4GHz ELRS PWM Receiver 3CH

RadioMaster ER3C-i – 2.4GHz ELRS PWM Receiver with Ceramic Antenna (3CH)

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ELRS PWM Receiver RadioMaster ER3C-i for surface models

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RadioMaster ER3C-i – 2.4GHz ELRS PWM Receiver with Ceramic Antenna (3CH)

Compact and reliable ExpressLRS receiver for RC models

The RadioMaster ER3C-i is a high-performance receiver based on the ExpressLRS system. With 3 PWM channels, built-in ceramic antenna, and voltage telemetry, it delivers long-range, ultra-fast response, and clean installation. Perfect for cars, boats, and surface RC applications.

Key Features

  • Based on ExpressLRS 2.4GHz – reliable and flexible
  • Supports 3 PWM channels
  • Built-in ceramic antenna – no wires, clean install
  • Automatic voltage telemetry detection (BEC / external battery)
  • TCXO – accurate performance in all environments
  • Wi-Fi & WebUI support – easy updates and configuration
  • Compatible with all 2.4GHz ELRS modules and transmitters

Specifications

  • Model: ER3C-i
  • Channels: 3 PWM
  • Input Voltage: DC 4.5 – 8.4 V
  • Voltage telemetry range: DC 4.0 – 35 V
  • Weight: 4.2 g
  • Dimensions: 26.1 × 18.5 × 13.0 mm
  • Antenna: built-in ceramic antenna
  • Firmware: ExpressLRS 3.3.0 (pre-installed)

Package Includes

  • 1 × RadioMaster ER3C-i 2.4GHz ELRS PWM Receiver
  • 1 × Voltage telemetry wire
  • 1 × User card
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