RadioMaster ER5C V2 2.4GHz ELRS PWM Receiver

RadioMaster ER5C V2 – 2.4GHz ELRS PWM Receiver

The RadioMaster ER5C V2 is a compact, high-performance 2.4GHz ExpressLRS (ELRS) PWM receiver designed for fixed-wing aircraft, RC cars, boats, and any platform that requires direct PWM servo output without a separate flight controller. With the speed and reliability of the ELRS protocol and 5 independent PWM output channels, the ER5C V2 is the clean, simple solution for ELRS-powered surface and fixed-wing builds.

Specifications

• Brand: RadioMaster
• Model: ER5C V2
• Protocol: ExpressLRS (ELRS) 2.4GHz
• PWM Output Channels: 5 channels
• Update Rate: Up to 500Hz
• Latency: Ultra-low (ELRS protocol)
• Antenna: Ceramic antenna
• Input Voltage: 4V – 8.4V
• Telemetry: Yes (two-way)
• Firmware: ExpressLRS (open-source, field-upgradeable)
• Weight: Ultra-lightweight

Key Features

• ExpressLRS protocol — ultra-low latency, long-range, and highly interference-resistant
• 5 PWM output channels — direct servo and ESC connection, no flight controller required
• Up to 500Hz update rate — exceptionally fast response for precise control
• Two-way telemetry — RSSI, link quality, and sensor data back to your transmitter
• Open-source ELRS firmware — field-upgradeable via Betaflight Configurator or ELRS Configurator
• Wide input voltage range — compatible with 1S to 2S direct or regulated power supplies
• Compact and lightweight — fits easily into fixed-wing fuselages and surface vehicle chassis
• Compatible with all ELRS 2.4GHz transmitters — RadioMaster, BetaFPV, Jumper, and more

The perfect ELRS receiver for fixed-wing pilots and surface vehicle builders who want the performance of ExpressLRS with the simplicity of direct PWM output — the RadioMaster ER5C V2 delivers low-latency, long-range control with zero complexity.