The RadioMaster ER6 2.4GHz ELRS 6CH PWM Receiver is designed for fixed-wing RC aircraft, offering six PWM outputs, dual antennas and integrated voltage telemetry in a compact receiver.

Based on the ExpressLRS (ELRS) protocol, the ER6 provides low-latency radio communication and flexible configuration. It supports receiver voltage telemetry and external flight-battery voltage monitoring, with automatic detection of the voltage source.

Key Features

• 2.4GHz ExpressLRS receiver

• Six PWM output channels for direct servo connections

• Dual high-sensitivity antennas

• Built-in receiver and flight-battery voltage telemetry

• Automatic detection of the voltage source for telemetry

• CRSF serial interface for telemetry expansion

• CRSF and SBUS serial output support

• Wi-Fi firmware updates and Web UI configuration

• Suitable for fixed-wing RC airplanes and other compatible RC applications

Technical Specifications

• Brand: RadioMaster

• Model: ER6

• Wireless protocol: 2.4GHz ExpressLRS

• PWM outputs: 6 channels

• Serial outputs: CRSF / SBUS

• Supply voltage: 4.5–8.4V DC

• Telemetry power: Up to 100mW, adjustable

• External battery voltage telemetry range: 4–35V DC

• Antenna: Dual antenna, 20cm high-sensitivity type

• Dimensions: 43 × 25 × 15mm

• Weight: Approximately 14.5g

Package Contents

• 1 × RadioMaster ER6 receiver

• 1 × Voltage telemetry wire (Type-B)

• 1 × CRSF wire

• 1 × ELRS receiver SBUS wire

• 1 × User card

Compatibility

Compatible with transmitters or external RF modules supporting 2.4GHz ExpressLRS. Confirm protocol and firmware compatibility before installation.

Note: This is the standard ER6 receiver, not the ER6G or ER6GV glider receiver variants.