RadioMaster ER5Ci 2.4GHz ELRS Surface Receiver with Integrated Antenna

The RadioMaster ER5Ci 2.4GHz ELRS Surface Receiver is designed for surface and marine RC models, offering reliable PWM control with low latency and long-range performance. Built with ExpressLRS technology, this receiver provides a fast, secure connection for RC cars, boats, and crawlers. The integrated high-sensitivity antenna eliminates the need for external antenna wires, allowing for a clean, compact installation. With up to 5 PWM channels, the ER5Ci offers precise, stable control, making it a top choice for RC enthusiasts seeking smooth, hassle-free operation.

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 5 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: ER5C-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: 5CH PWM
• Telemetry power: 10mW
• Battery voltage detection range: DC 4.0 - 35V
• Weight: 5.0 grams
• Dimensions: 30.0*18.5*13.0 mm
• Firmware: Device Category: Radiomaster 2.4Ghz / Device: RadioMaster ER5C-i

Package Includes:

• 1 * ER5C-i 2.4GHz ELRS PWM Receiver
• 1 * Voltage telemetry wire
• 1 * User Card