<p>The RadioMaster ER3C-i receiver is based on the high-performance, revolutionary ExpressLRS system, featuring high reliability, highly flexible configuration, ultra-fast response speeds, and an ultra-long receiving range, bringing with it a brand-new usage experience.</p><p><br></p><p>The ER3C-i ELRS receiver can drive up to 3 servos and has built-in receiver voltage telemetry and battery telemetry with the ability to automatically detect which voltage input to use. The ER3C-i features a built-in high-sensitivity ceramic antenna, it is designed for all types of surface models and provides a clean install without antenna wires to worry about.</p><p><br></p><h4><b><br></b></h4><h4>Features</h4><h4><br></h4><ul><li><p><span style="font-weight: normal;">Built-in high-sensitivity ceramic antenna</span></p></li></ul><ul><li><p><span style="font-weight: normal;">Based on the Revolutionary ExpressLRS System</span></p></li></ul><ul><li><p><span style="font-weight: normal;">High performance, high reliability, flexible configuration, fast response speed and ultra-long range</span></p></li></ul><ul><li><p><span style="font-weight: normal;">Supports 5 PWM Channels</span></p></li></ul><ul><li><p><span style="font-weight: normal;">Automatically detects voltage telemetry of external battery voltage or receiver battery / ESC BEC voltage</span></p></li></ul><ul><li><p><span style="font-weight: normal;">Optimized ground up PCB design</span></p></li></ul><ul><li><p><span style="font-weight: normal;">Supports Wi-Fi updates and WEBUI configuration</span></p></li></ul><ul><li><p><span style="font-weight: normal;">Built-in a TCXO (temperature compensated crystal oscillator), ensures stable and accurate performance in any environment</span></p></li></ul><ul><li><p><span style="font-weight: normal;">Designed for all types of surface models</span></p></li></ul><ul><li><p><span style="font-weight: normal;">Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS</span></p></li></ul><p><br></p><p><br></p><p><br></p>