Radio Master ExpressLRS 2.4 GHz PWM Recceiver Module for Fixed Wing

Radio Master ER8 ExpressLRS 2.4 GHz PWM Recceiver

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Features

  • Revolutionary ExpressLRS System: Delivers high performance, extreme reliability, and ultra-low latency with exceptional long-range capabilities.

  • 8-Channel PWM Support: Specifically designed for fixed-wing aircraft, capable of driving up to 8 servos directly.

  • Dual-Antenna Diversity: Equipped with two 20cm high-sensitivity antennas to ensure a stable signal link regardless of aircraft orientation.

  • Dual Telemetry Monitoring: Automatically detects and reports both receiver voltage and external flight battery voltage (up to 35V).

  • Robust Construction: Features a one-piece molded shell for high structural strength and durability during flight and landings.

  • Expandable Interface: Includes a 4-wire CRSF port for future expansion with additional telemetry sensors.

  • Modern Configuration: Supports convenient Wi-Fi updates and WEBUI configuration for easy management.

Specifications

  • Item: ER8 2.4GHz ELRS PWM Receiver

  • Protocol: ExpressLRS 3.3.0 (Pre-installed)

  • Output Channels: 8-Channel PWM

  • Power Supply: DC 4.5 – 8.4V

  • Telemetry Power: Maximum 100mW (LUA Adjustable)

  • Voltage Detection Range: DC 4.0 – 35V

  • Bus Interface: CRSF

  • Antenna: 20cm High-Sensitivity Dual Antenna

  • Weight: 16.5g

  • Dimensions: 43 x 25 x 15mm

Package Includes

  • 1 x RadioMaster ER8 2.4GHz ELRS PWM Receiver

  • 1 x Voltage Telemetry Wire (Type-B)

  • 1 x CRSF Wire

  • 1 x ELRS-RX-SBUS Wire

  • 1 x User Card