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HappyModel ES900TX & ES900RX 900Mhz Receiver/Module Combo for ELRS

Original price $49.99 - Original price $49.99
Original price
$49.99 - $49.99
Current price $49.99
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Free Delivery on U.S.A. Orders $99 or more

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Recently the ExpressLRS system has become one of the most popular receiver systems on the market. This kit from Happymodel is a great combo to start with, it comes with both the receiver and module together. Before you know it, you'll be pushing the limits of what you thought was possible.

Check out our other transmitter modules, as well As the rest of our Happymodel selection!


  • Compatible with OpenTX remote controllers, including the Radiomaster TX16S and Jumper T12, T16, and T18.
  • The 900TX module comes with a 2006 fan which allows it to work automatically when the TX power is at 250mW
  • ExpressLRS open-source software.
  • Ultra Long Range
  • Low Latency


  • RF Frequency: optional 915mhz or 686mHz (EU)
  • Weight: 0.60 gram (excluding antenna)
  • Telemetry output Power: <17dBm
  • Operation current: ~100Ma
  • Antenna connector: IPEX1
  • Rx To FC protocol: CRSF
  • Dimension: 12x12x3mm
  • Input Voltage: 5V
  • Maximum Output Power: <33dBm (For >27dBm operation, we recommend adding a fan for force cooling)
  • RF Frequency optional: 915mhz or 868mHz (EU)
  • Dimension: 55x39x13mm
  • Input Voltage: 5~13V
  • Weight: 23g Without Antenna
  • Antenna Connector: SMA
  • MCU: ESP32+ESP8285


  1. 1x Happy Model ES900TX & ES900RX Combo for ExpressLRS