Happymodel EP1 Dual Receiver 2.4Ghz ExpressLRS RX

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EP1 TCXO Receiver Type: ISM2.4GHzESP8285 MCUSX1280(SX1281)IMLTRT RF ModuleOmni directional antennaFrequency Range: 2400 MHz to 2500 MHzReceive refresh rate: 25HZ~500HzWorking volta ge: 5vWeight: 0.41 gram(without antenna)Dimension: 10mm*10mm*6mmPeak gain: 2.23dBDefault Firmware out of factory: HappyModel_EP_2400_RX V3.0.1 versionBuilt-in a TCXO (temperature compensated crystal oscillator) EP2 TCXO Receiver Type: ISM2.4GHzESP8285 MCUSX1280(SX1281)IMLTRT RF ModuleSMD Ceramic antennaFrequency Range: 2400 MHz to 2500 MHzReceive refresh rate: 25HZ~500HzWorking voltage: 5vWeight: 0.44 gramDimension: 10mm*10mm*6mmPeak gain: 3.7dBDefault Firmware out of factory: HappyModel_EP_2400_RX V3.0.1 versionBuilt-in a TCXO (temperature compensated crystal oscillator) EP1 Dual TCXO Receiver Type: ISM2.4GHzESP32 PICO D4, dual SX1280(SX1281)Antenna connector: IPEX MHF 1/U.FLRF Frequency: 2.4GHz (2400~2480MHz)Telemetry power: >19dbmReceiver protocol: CRSFInput voltage: 3.5~5V Recommend +5V DC @ “+” padPCB size: 19mm x 14mmWeight: 1gram exclude antennaBuilt-in a TCXO (temperature compensated crystal oscillator)Default Firmware out of factory: Unified_ESP32_2400_RX Could upgrade to HappyModel EP1 Dual 2400 RX 3.0 FW Antenna Frequency (MHz) 2400.0Efficiency (dBi) -0.89Gain (dBi) 2.23Efficiency (%) 81.46Directivity (dB) 5.12Peak Gain Position (Theta) 180.00Peak Gain Position (Phi) 330.00Efficiency ThetaPol (%) 20.90Efficiency PhiPol (%) 60.56Upper Hem. Efficiency (%) 39.93Lower Hem. Efficiency (%) 41.54Connector IPEX/IPX/U.FLAntenna width 52mmAntenna length 40mm/90mm(optional) Show more