Happymodel 2.4G ExpressLRS EP1 Dual TCXO RX True Diversity Receiver ModuleEP1 Dual 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 ESP32 PICO D4, dual SX1280(SX1281)