RadioMaster ER3Ci Express ELRS 3-Channel 2.4GHz Receiver

Regular price $23.99

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Receiver Overview:

RadioMaster ER3Ci Express ELRS 3-Channel 2.4GHz Receiver. The RadioMaster ER3C-i receiver is based on the high-performance, revolutionary ExpressLRS system, featuring high reliability, highly flexible configuration, ultra-fast response speeds, and an ultra-long receiving range!

The ER3C-i ELRS receiver can drive up to 3 servos and has built-in receiver voltage telemetry and battery telemetry with the ability to automatically detect which voltage input to use. The ER3C-i features a built-in high-sensitivity ceramic antenna, that is designed for all types of surface models and provides a clean install without antenna wires to worry about!


    • Compatible with all 2.4GHz ExpressLRS modules and transmitters with built-in 2.4GHz ExpressLRS
    • Built-in high-sensitivity ceramic antenna
    • Based on the Revolutionary ExpressLRS System
    • High performance, high reliability, flexible configuration, fast response speed and ultra-long range
    • Automatically detects voltage telemetry of external battery voltage or receiver battery / ESC BEC voltage
    • Optimized ground up PCB design
    • Supports Wi-Fi updates and WEBUI configuration
    • Built-in a TCXO (temperature-compensated crystal oscillator), ensures stable and accurate performance in any environment
    • Designed for all types of surface models
    • Extremely lightweight and compact


    • Input Voltage: DC 4.5 - 8.4V
    • Channels: 3CH PWM
    • Frequency Range: 2400-2483.5Mhz
    • Wireless protocol: ExpressLRS 3.3.0 pre-installed
    • Telemetry Power: 10mW
    • Antenna Type: Built-in high-sensitivity ceramic antenna
    • Dimensions: 26.1x18.5x13mm
    • Weight: 4.2g
    • Battery voltage detection range: DC 4.0-35V


    • (1) ER3C-i Receiver
    • (1) Manual
    • (1) Voltage telemetry wire