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, bringing with it a brand-new usage experience.

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, it is designed for all types of surface models and provides a clean install without antenna wires to worry about.

You can also find all the PWM Surface Receivers in the RadioMaster MT12 Surface Radio Controller Collection.

Check out all our ExpressLRS Products, Receivers, and the rest of our RadioMaster Products!

ER3C-i& ER5C-i 2.4GHz ELRS PWM Receiver

ER3C-i 2.4GHz ELRS PWM Receiver

ER3C-i& ER5C-i 2.4GHz ELRS PWM Receiver

ER3C-i& ER5C-i 2.4GHz ELRS PWM Receiver

ER3C-i& ER5C-i 2.4GHz ELRS PWM Receiver

ER3C-i& ER5C-i 2.4GHz ELRS PWM Receiver

ER3C-i& ER5C-i 2.4GHz ELRS PWM Receiver

ER3C-i& ER5C-i 2.4GHz ELRS PWM Receiver

ER3C-i& ER5C-i 2.4GHz ELRS PWM Receiver

ER3C-i& ER5C-i 2.4GHz ELRS PWM Receiver

ER3C-i 2.4GHz ELRS PWM Receiver

Features:

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
Supports 3 PWM Channels
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

Specifications:

Item: ER3C-i 2.4GHz ELRS PWM Receiver
Power supply: DC 4.5 - 8.4V
Antenna type: Built-in high-sensitivity ceramic antenna
Wireless protocol: ExpressLRS 3.3.0 pre-installed
Output channel: 3CH PWM
Telemetry power: 10mW
Battery voltage detection range: DC 4.0 - 35V
Weight: 4.2 grams
Dimensions: 26.1*18.5*13.0 mm
Firmware: Device Category: Radiomaster 2.4Ghz / Device: RadioMaster ER3C-i

Package Includes:

1 * ER3C-i 2.4GHz ELRS PWM Receiver
1 * Voltage telemetry wire
1 * User Card

RadioMaster ER3Ci 2.4GHz ELRS PWM Surface Receiver with Built in Antenna