Radiomaster ER4 2.4Ghz 4CH 10mw ExpressLRS PWM Receiver

The RadioMaster ER series of PWM receivers are based on the revolutionary ExpressLRS system. It offers high performance, high reliability, flexible configuration, fast response speed and ultra-long range bringing you brand new experience with your hobby.

The ER4 PWM receiver can drive 4 servos simultaneously. Designed with a very small volume, it is suitable for small aircraft models, ship models, car models and other models that require a small or lightweight receiver while still providing full range.

Features

Based on the Revolutionary ExpressLRS System

High performance, high reliability, flexible configuration, fast response speed and ultra-long range

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 small aircraft, boats and cars and more

Specification

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 2400 PWM RX

Package Includes

1 * ER4 2.4GHz ELRS PWM Receiver

2 * Heat-shrink tube

1 * Voltage telemetry wire (Type-A)

1 * User Card