ER6 2.4GHz ELRS PWM Receiver
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The RadioMaster ER6 receiver is built around the innovative ExpressLRS protocol, delivering high performance, reliable signal transmission, flexible configuration, and fast response times for a wide range of R/C applications.
The ER6 supports up to 6 servo channels and features built-in receiver voltage telemetry and battery voltage telemetry, with automatic detection of the appropriate voltage input.
A 4-wire CRSF interface is provided for future expansion and connection of additional telemetry sensors. The ER6 also features a dual-antenna design with up to 100mW telemetry power, providing reliable signal performance.
The receiver housing is manufactured using a one-piece injection-molding process, providing high structural strength and enhanced durability.

Features
- Based on the Revolutionary ExpressLRS System
- High performance, high reliability, flexible configuration, low latency, and strong link quality
- Support 6 PWM Channels
- Optimized ground up PCB design
- Automatically voltage telemetry of external battery voltage or built-in receiver voltage
- Supports Wi-Fi updates and WEBUI configuration
- High quality 2.54 mm connector
- Standard 20 cm High Sensitivity Antenna
- Reserve 4pin CRSF input port
- The shell adopts one-piece molding process with high structural strength
- For any application
- Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS
Specification
| Parameter | Details |
|---|---|
| Item | ER6 2.4GHz ELRS PWM Receiver |
| Power Supply | DC 4.5 – 8.4V |
| Antenna Type | 20cm High Sensitivity Dual Antenna |
| Wireless Protocol | ExpressLRS 3.3.0 (pre-installed) |
| Output Channel | 6CH PWM |
| Serial Output | CRSF / SBUS |
| Telemetry Power | Max 100mW (adjustable via LUA) |
| Battery Voltage Detection | DC 4.0 – 35V |
| Bus Interface | CRSF |
| Weight | 14.5g |
| Dimensions | 43 × 25 × 15mm |
| Firmware Target | Device Category: Radiomaster 2.4GHz / Device: ER6 2.4GHz Diversity+6xPWM RX |









Package Includes
- 1 * ER6 2.4GHz ELRS PWM Receiver
- 1 * Voltage telemetry wire (Type-B)
- 1 * CRSF wire
- 1 * ELRS-RX-SBUS wire
- 1 * User Card