Savings. Shopping.Get Checkmate
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.
Launch Video
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
Size
RadioMaster ER Series Receivers
ER4 ELRS PWM Receiver
ER6 ELRS PWM Receiver
ER8 ELRS PWM Receiver
ER6G/ER6GV ELRS PWM Receiver
ER8G/ER8GV ELRS PWM Receiver
Package Includes
1 * ER4 2.4GHz ELRS PWM Receiver
2 * Heat-shrink tube
1 * Voltage telemetry wire (Type-A)
1 * User Card
Download
ER4 Receiver User Manual
Save on ER4 2.4GHz ELRS PWM Receiver with a RadioMaster RC promo code
Checkmate is a savings app with over one million users that have saved $$$ on brands like RadioMaster RC.
The Checkmate extension automatically applies RadioMaster RC discount codes, RadioMaster RC coupons and more to give you discounts on products like ER4 2.4GHz ELRS PWM Receiver.
Checkmate users have also been loving these products from RadioMaster RC.
Users have been saving products like this to their collections.
