RadioMaster ER4 ExpressLRS PWM receiver (4 channels) (2.4GHz)

RadioMaster ER4 ExpressLRS PWM receiver (4 channels)

2.4GHz ExpressLRS receiver with 4x PWM output channels in a very small form factor. 10mW telemetry output and analog voltage measuring input.
Suitable for small aircraft models, ship models, car models and other models that require a small or lightweight receiver while still providing full range.

This receiver works with all 2.4GHz ExpressLRS transmitters on the market.

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 3.2 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 * Manual