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044g Happymodel 24G ExpressLRS ELRS EP2 Nano High Refresh Rate Ultra small Long Range RC Receiver for RC Drone0 44g Happymodel 2 4G ExpressLRS ELRS EP1 Nano High Refresh Rate Ultra small Long Range RC Receiver for RC DroneOVERVIEW The Happymodel 2 4GHz ELRS nano series receiver is an open source program based on ExpressLRS we have 3 types rx module released The PP RX is designed by Jye Smith from ExpressLRS development team Its main hardware architecture is STM32L432KBU6 MCU and SX1280 RF chip It has a built in ceramic antenna which is super light and small in size On the basis of PP RX we have developed the Nano 2 4GHz rx of ESP8285 version named EP1 and EP2 The RF module of EP1 EP2 is the same like PP RX and use ESP8285 MCU So you can upgrade firmware by WIFI that s too simple Due to the low latency and high refresh rate RF module they are very comfortable for FPV race and Long Range FPV And very suitable for Tiny whoop because of the ultra light and Nano size Specifications Item Name EP2 Nano ReceiverType ISMESP8285 MCUSX1280IMLTRT RF ModuleSMD Ceramic antennaFrequency Range 2400 MHz to 2500 MHzMaximum receive refresh rate 500HzMinimum receiver refresh rate 25HzWorking voltage 5vWeight 0 44gDimension 10mm 10mm 6mmPeak gain 3 7dBRange 2KM above Open Area Open area means the receiving range refers to the test data without obstruction using fixed wing flying altitude greater than 150 meters and transmitter power above 100mw Notes Since the Official Perfect version of ELRS firmware has not been released yet currently our PP RX EP1 EP2 RX and ES24TX pre lo
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