HappyModel ELRS TCXO Nano Receiver Series (EP1, EP2, Dual RX) This is the HappyModel ELRS TCXO Nano receiver series. The EP1 TCXO uses a temperature compensated crystal oscillator which means accurate MCU clock frequency for improved performance and reliability of your RC link. The EP1, EP2, and EP1 Dual receiver’s are based on the ESP8285 MCU that allows for upgrading via WiFi, along with the SX1280(SX1281)IMLTRT RF Module. Despite the tiny size of these ELRS receivers, you can still expect low latency and high refresh rate of your ELRS system. The HappyModel TCXO series of receiver’s can be used on any size FPV quadcopter. The Happymodel EP1 RX includes a IPEX connector for a dipole antenna, while the EP2 RX includes a built in SMD antenna. ⚠️ Radio Use Notice: Operation of this product must comply with local laws and licence requirements. Users are responsible for safe and legal use. Please note, ELRS is a new open source project so please only order this if you are comfortable with regular firmware updates as the firmware is still in beta. We will only be able to offer limited support due to the early nature of the firmware, but we think this project has great potential. Product Information EP1 TCXO Receiver Type: ISM2.4GHz ESP8285 MCU SX1280(SX1281)IMLTRT RF Module Omni directional antenna Frequency Range: 2400 MHz to 2500 MHz Receive refresh rate: 25HZ~500Hz Working voltage: 5v Weight: 0.41 gram(without antenna) Dimension: 10mm*10mm*6mm Peak gain: 2.23dB Default Firmware out of factory: HappyModel_EP_2400_RX V2.2 version Built-in a TCXO (temperature compensated crystal oscillator) EP2 TCXO Receiver Type: ISM2.4GHz ESP8285 MCU SX1280(SX1281)IMLTRT RF Module SMD Ceramic antenna Frequency Range: 2400 MHz to 2500 MHz Receive refresh rate: 25HZ~500Hz Working voltage: 5v Weight: 0.44 gram Dimension: 10mm*10mm*6mm Peak gain: 3.7dB Default Firmware out of factory: HappyModel_EP_2400_RX V2.2 version Built-in a TCXO (temperature compensated crystal oscillator) EP1 Dual TCXO Receiver Type: ISM2.4GHz ESP32 PICO D4, dual SX1280(SX1281) Antenna connector: IPEX MHF 1/U.FL RF Frequency: 2.4GHz (2400~2480MHz) Telemetry power: >19dbm Receiver protocol: CRSF Input voltage: 5V DC @ “ ” pad PCB size: 19mm x 14mm Weight: 1gram exclude antenna Built-in a TCXO (temperature compensated crystal oscillator) Default Firmware out of factory: Unified_ESP32_2400_RX Could upgrade to HappyModel EP1 Dual 2400 RX 3.0FW HAPPYMODEL SUPPORT PAGE EXPRESSLRS SUPPORT PAGE
