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    This Micro TX is designed by Happymodel and based on the open source- ExpressLRS which is a very popular low latency and high re-flashed rate RF module for RC Airplane and FPV Racing. Its main hardware architecture is ESP32, ESP8285 and SX1280 RF chip. The ES24TX module is a complete solution which is already pre-load the Expresslrs firmware and it’s plug and play.

    Regulatory Domain: ISM2400
    MCU:ESP32(main),ESP8285(aux,as espbackpack)
    RF chip:SX1280IMLTRT
    JR standard 5pin socket
    Frequency Range: 2400 MHz to 2500 MHz
    Maximum receive refresh rate: 500Hz
    Minimum receiver refresh rate: 25Hz
    RF Output Power: 10dBm~24dBm
    Power supply voltage: 5v~10v
    Weight: 9.5gram(without antenna)
    Dimension: 55.5mm*39.5mm*8mm
    Antenna gain:1.87dBi

    Package include:
    EX24TX module *1
    24TX80 antenna *1
    3D Printed mounting box *1
    Antenna adapter cable *1

    Since the official ExpressLRS perfect program has not been released yet, our pre-installed program is a beta version, because there are too many types of beta version programs , so you can download the out of factory firmware from Happymodel website. There are two kinds out of factory firmware of ES24TX, one is to match Happymodel PP RX receiver (program version identification code 6cb8152d) and the other is to match Happymodel EP1 and EP2 RX receivers (program version identification code aec8ad82), The default factory firmware is aec8ad82 which matching EP1 and EP2 RX

    You can download the firmware from Happymodel  website, and then update the firmware via connect the Wifi hot spot of the ES24TX, visit “” by browser (password:expresslrs)

    Downloading firmware

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