RadioMaster ER4 4CH 2.4GHz ELRS PWM Reciver

The RadioMaster ER series of PWM receivers is built on the innovative ExpressLRS protocol. It provides high performance, dependable signal, versatile configuration, and quick response time, offering a new experience for your projects and applications. The ER4 PWM receiver can drive 4 servos simultaneously. Designed for a very small volume, it is suitable for any application that requires a small or lightweight receiver while still providing full range.

Features:

Based on the Revolutionary ExpressLRS System
High performance, high reliability, flexible configuration, low latency, and strong link quality
Support 4 PWM Channel
Optimized ground up PCB design
Automatically voltage telemetry of external battery voltage or built-in receiver voltage
Supports Wi-Fi updates and WEBUI configuration
High quality 2.54 mm connector
Standard 15 cm High Sensitivity Antenna
For any application that requires a small or lightweight receiver
Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS

Package:

1x Receiver ER4 2.4GHz ELRS PWM
1 * ER4 2.4GHz ELRS PWM Receiver
2 * Heat-shrink tube
1 * Voltage telemetry wire (Type-A)
1 * User Card

Specyfication

Item: ER4 2.4GHz ELRS PWM Receiver
Power supply: DC 4.5 - 8.4V
Antenna type: 15cm high sensitivity antenna
Wireless protocol: ExpressLRS 3.3.0 pre-installed
Output channel: 4CH PWM
Telemetry power: 10mw
Battery voltage detection range: DC 4.0- 35V
Weight: 3.0 grams
Dimensions: 30*15*5mm
Firmware: Device Category: Radiomaster 2.4Ghz / Device: RadioMaster ER4 2.4GHz PWM RX