The RadioMaster ER series of PWM receivers are based on the revolutionary ExpressLRS system. It offers high performance, high reliability, flexible configuration, fast response speed and ultra-long range bringing you brand new experience with your hobby.<\/p>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_01.jpg\")
<\/p>\n
<\/p>\n
Features<\/h2>\n\n- For fixed-wing aircraft and more<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_03.jpg\")
<\/p>\n
\n- Support 8 PWM Channels<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_05.jpg\")
<\/p>\n
\n- Automatically voltage\u00a0telemetry of external battery voltage or built-in receiver voltage<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_06.jpg\")
<\/p>\n
\n- Supports Wi-Fi updates and WEBUI configuration<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_07.jpg\")
<\/p>\n
\n- Optimized ground up PCB design<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_04.jpg\")
<\/p>\n
\n- Shell adopts one-piece molding process with high structural strength<\/li>\n
- High quality 2.54 mm connector<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_09.jpg\")
<\/p>\n
\n- Standard 20 cm High Sensitivity Antenna<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_10.jpg\")
<\/p>\n
\n- Extra 4pin CRSF input port for Future Optional Telemetry Sensors<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_08.jpg\")
<\/p>\n
\n- Based on the Revolutionary ExpressLRS System<\/li>\n
- High performance, high reliability, flexible configuration, fast response speed and ultra-long range<\/li>\n
- Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-Details-Page-EN-PC_02.jpg\")
<\/p>\n
Caract\u00e9ristiques<\/h4>\n\n- Item: ER8 2.4GHz ELRS PWM Receiver<\/li>\n
- Power supply: DC 4.5 – 8.4V<\/li>\n
- Antenna type: 20cm high sensitivity antenna<\/li>\n
- Wireless protocol: ExpressLRS 3.3.0 pre-installed<\/li>\n
- Output channel: 8CH PWM<\/li>\n
- Serial Output: CRSF \/ Sbus<\/li>\n
- Telemetry power: maximum 100mw (LUA Adjustable)<\/li>\n
- Battery voltage detection range: DC 4.0 – 35V<\/li>\n
- Bus interface: CRSF<\/li>\n
- Weight: 16.5 grams<\/li>\n
- Size: 43*30*15mm<\/li>\n
- Firmware: Device Category: Radiomaster 2.4Ghz \/ Device: RadioMaster ER8 2.4GHz Diversity+8xPWM RX<\/li>\n<\/ul>\n
Size<\/h4>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-size.jpg\")
<\/p>\n
Package Includes<\/h4>\n
<\/p>\n
- \n
- Support 8 PWM Channels<\/li>\n<\/ul>\n<\/p>\n
- \n
- Automatically voltage\u00a0telemetry of external battery voltage or built-in receiver voltage<\/li>\n<\/ul>\n<\/p>\n
- \n
- Supports Wi-Fi updates and WEBUI configuration<\/li>\n<\/ul>\n<\/p>\n
- \n
- Optimized ground up PCB design<\/li>\n<\/ul>\n<\/p>\n
- \n
- Shell adopts one-piece molding process with high structural strength<\/li>\n
- High quality 2.54 mm connector<\/li>\n<\/ul>\n<\/p>\n
- \n
- Standard 20 cm High Sensitivity Antenna<\/li>\n<\/ul>\n<\/p>\n
- \n
- Extra 4pin CRSF input port for Future Optional Telemetry Sensors<\/li>\n<\/ul>\n<\/p>\n
- \n
- Based on the Revolutionary ExpressLRS System<\/li>\n
- High performance, high reliability, flexible configuration, fast response speed and ultra-long range<\/li>\n
- Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS<\/li>\n<\/ul>\n<\/p>\n
Caract\u00e9ristiques<\/h4>\n
- \n
- Item: ER8 2.4GHz ELRS PWM Receiver<\/li>\n
- Power supply: DC 4.5 – 8.4V<\/li>\n
- Antenna type: 20cm high sensitivity antenna<\/li>\n
- Wireless protocol: ExpressLRS 3.3.0 pre-installed<\/li>\n
- Output channel: 8CH PWM<\/li>\n
- Serial Output: CRSF \/ Sbus<\/li>\n
- Telemetry power: maximum 100mw (LUA Adjustable)<\/li>\n
- Battery voltage detection range: DC 4.0 – 35V<\/li>\n
- Bus interface: CRSF<\/li>\n
- Weight: 16.5 grams<\/li>\n
- Size: 43*30*15mm<\/li>\n
- Firmware: Device Category: Radiomaster 2.4Ghz \/ Device: RadioMaster ER8 2.4GHz Diversity+8xPWM RX<\/li>\n<\/ul>\n
Size<\/h4>\n
<\/p>\nPackage Includes<\/h4>\n
- Extra 4pin CRSF input port for Future Optional Telemetry Sensors<\/li>\n<\/ul>\n
- Standard 20 cm High Sensitivity Antenna<\/li>\n<\/ul>\n
- Optimized ground up PCB design<\/li>\n<\/ul>\n
- Supports Wi-Fi updates and WEBUI configuration<\/li>\n<\/ul>\n
- Automatically voltage\u00a0telemetry of external battery voltage or built-in receiver voltage<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/originhobbies.com\/wp-content\/uploads\/2025\/01\/ER8-contents.jpg\")
<\/p>\n