HappyModel ELRS ES24TX Micro TX Module

Regular price $39.99

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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 kit that comes with the ExpressLRS firmware preinstalled so all you have to do is Plug and Play! 



  • Regulatory Domain: ISM2400
  • MCU:ESP32(main),ESP8285 
  • 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 x 39.5mm x 8mm
  • Antenna gain:1.87dBi



ExpressLRS ES24TX Micro Updates & Info

Firmware Download



(1) HappyModel ES24TX Micro TX Module
(1) 24TX80 Antenna
(1) JR Bay Protective Case
(1) Antenna Adapter Cable



  • There are two kinds out of factory firmware for the ES24TX. One is compatible with the Happymodel PP RX receiver (program version identification code 6cb8152d) and the other is compatible with the Happymodel EP1 and EP2 RX receivers (program version identification code aec8ad82).
  • The default factory firmware is the compatible with the EP1 and EP2 Receivers.
  • The official ExpressLRS program has not been released yet, so our pre-installed program is currently a beta version. Since there are many different beta-version programs available, it is recommended you download the factory firmware.
  • You can download the firmware from the HappyModel website, and then update the firmware by connecting directly to the Wifi hot spot of the ES24TX by typing “” in your browser. The password is expresslrs. 



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