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!

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