Radiomaster ER5C i 2 4GHz 5CH ExpressLRS ELRS PWM Receiver Built in High Sensitivity Ceramic Antenna for MT12 Radio TransmitterThe RadioMaster ER5C i receiver is based on the high performance revolutionary ExpressLRS system featuring high reliability highly flexible configuration ultra quick response speeds and an ultra long receiving range bringing with it a brand new usage experience The ER5C i ELRS receiver can drive up to 5 servos and has built in receiver voltage telemetry and battery telemetry with the ability to automatically detect which voltage input to use The ER5C 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 Description Brand RadioMasterItem ER5C i 2 4GHz ELRS PWM ReceiverPower supply DC 4 5 8 4VAntenna type Built in high sensitivity ceramic antennaWireless protocol ExpressLRS 3 3 0 pre installedOutput channel 5CH PWMTelemetry power 10mWBattery voltage detection range DC 4 0 35VWeight 5 0 gramsDimensions 30 0 18 5 13 0 mmFirmware Device Category Radiomaster 2 4Ghz Device RadioMaster ER5C iFeatures Built in high sensitivity ceramic antenna Based on the Revolutionary ExpressLRS System High performance high reliability flexible configuration quick response speed and ultra long range Supports 5 PWM Channels Automatically detects voltage telemetry of external battery voltage or receiver battery ESC BEC voltage