RadioMasterRadioMaster - ER4 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

·         Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS

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

·         Serial Output: CRSF / Sbus

·         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

Package Contains:

·         1x ER4 2.4GHz ELRS PWM Receiver

·         2x Heat-shrink tube

·         1x Voltage telemetry wire (Type-A)

·         1x User Card