RadioMaster ER8 2.4ghz PWM ExpressLRS 8 Channel Receiver

RadioMaster ER8 2.4GHz ELRS 8-Channel PWM Receiver – Fixed Wing Optimized

Take control of your fixed-wing aircraft with the RadioMaster ER8, a feature-packed 8-channel PWM receiver built on the revolutionary ExpressLRS system! Specially designed for fixed-wing pilots, the ER8 offers the simplicity of direct servo connections combined with the incredible range, reliability, and low-latency performance of ELRS.

Stop messing with complex converters or flight controllers for basic setups. The ER8 provides 8 standard PWM output channels, making it ideal for gliders, sport planes, and any model requiring multiple direct servo controls. Experience the robust link quality that ExpressLRS (ELRS) is famous for, giving you confidence even at extended distances.

Beyond control, the ER8 delivers crucial flight information. It features built-in receiver voltage telemetry and flight battery voltage telemetry (up to 35V), automatically detecting the connected power source to send vital data back to your compatible ELRS transmitter. Know your battery status in real-time!

With its dual-antenna design and telemetry output power of up to 100mW (adjustable via LUA script), the ER8 ensures a strong signal connection both ways. The included high-sensitivity antennas maximize range potential. For future expansion, a 4-pin CRSF input port is available to add external telemetry sensors. Housed in a durable, one-piece molded shell, the ER8 is built to withstand the demands of regular flying.

If you’re looking for a reliable, long-range 8-channel PWM receiver specifically tailored for fixed-wing aircraft using the ExpressLRS protocol, the RadioMaster ER8 is the perfect solution.

Key Features:

• Optimized for Fixed-Wing: Designed with glider and plane pilots in mind.
• 8 PWM Channels: Direct output for easy servo connection.
• ExpressLRS System Based: High performance, long-range, low latency, and reliable link.
• Automatic Voltage Telemetry: Monitors both receiver and main flight battery voltage (DC 4.0-35V).
• Dual Antenna: For robust signal reception (Note: Firmware indicates Diversity but physical description mentions dual antenna; commonly implies diversity).
• Up to 100mW Telemetry Power: Strong data link back to the transmitter (Adjustable).
• CRSF/SBUS Serial Output Options: Versatile connectivity beyond PWM.
• CRSF Input Port: Allows expansion with additional telemetry sensors.
• Wi-Fi Updates & WEBUI: Easy configuration and firmware flashing.
• Durable Molded Shell: High structural strength for protection.
• High Sensitivity Antennas: Standard 20cm antennas included.

Specifications:

• Item: ER8 2.4GHz ELRS PWM Receiver
• Power Supply: DC 4.5 – 8.4V
• Antenna Type: 20cm high sensitivity antenna (Dual)
• Wireless Protocol: ExpressLRS 3.3.0 pre-installed
• Output Channels: 8CH PWM
• Serial Output: CRSF / SBUS
• Telemetry Power: Maximum 100mW (LUA Adjustable)
• Battery Voltage Detection Range: DC 4.0 – 35V
• Bus Interface (Input): CRSF (4-pin port)
• Weight: 16.5 grams
• Size: 43mm x 30mm x 15mm
• Firmware:
  • Device Category: Radiomaster 2.4Ghz
  • Device: RadioMaster ER8 2.4GHz Diversity+8xPWM RX

What’s in the Box:

• 1 * ER8 2.4GHz ELRS PWM Receiver
• 1 * Voltage telemetry wire (Type-B)
• 1 * CRSF wire (likely for output/input connection)
• 1 * ELRS- RX- SBUS wire
• 1 * User Card

 Please note: Included accessories and wire types may vary slightly based on supply and manufacturer updates.