Happymodel 2.4G ExpressLRS EP1 TCXO RX Receiver ModuleEP1 ELRS receiver is the hottest ExpressLRS receiver since it was released. Now the new TCXO version EP series receiver apply temperature compensated crystal oscillator, accurate frequency and excellent performance in extreme temperature environments make these TCXO much reliable. Check out our ExpressLRS Collection, all our Receivers and the rest of our Happymodel Products! Specifications: Type: ISM2. 4GHz ESP8285 MCU SX1280(SX1281)IMLTRT RF Module