RadioMaster ER4 2.4 GHz ELRS PWM receiver

RadioMaster ER4 2.4 GHz ELRS PWM receiver

The RadioMaster ER series of PWM receivers is based on the revolutionary ExpressLRS system. It offers high performance, high reliability, flexible configuration, fast response and very long range, providing a completely new experience in your hobby.

The ER4 PWM receiver can control 4 servos simultaneously. Designed to be very small in volume, it is suitable for small model airplanes, model ships, model cars and other models that require a small or lightweight receiver while still providing full coverage.

Characteristics

• Based on the revolutionary ExpressLRS system
• High performance, high reliability, flexible configuration, fast response and very long range
• Support for 4 PWM channels
• Optimized, grounded PCB design
• Automatic 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 planes, boats, cars and more
• Compatible with all ExpressLRS 2.4 GHz modules and transmitters with built-in ExpressLRS 2.4 GHz

Specification

• Article: ER4 2.4 GHz ELRS PWM receiver
• Power supply: DC 4.5 - 8.4V
• Antenna type: 15 cm 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

Parcel includes

• 1 * ER4 2.4GHz ELRS PWM Receiver
• 2*heat shrink tube
• 1 * Voltage Telemetry Cable (Type A)
• 1 * User Card