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OpenTX is open source project for creating software that runs your RC radio transmitters. The project develops two pieces of software: Companion and Firmware.

OpenTX Companion is used for many different tasks like loading OpenTX firmware to the Transmitter, creating & backing up models, editing Radio & Model settings and has a Radio simulator.

OpenTX Firmware is radio firmware that is highly configurable and brings a ton features than found in traditional radios.

Something also to mention is the SD Card Content that is also paired with the firmware.

Current Version

OpenTX 2.2.3 Released on January 06 2019

Current List of Radios that support Open TX

  • FrSky Taranis X9D & X9D+
  • FrSky Taranis X9E
  • FrSky Taranis Q X7 & Q X7S
  • FrSky Taranis X-Lite
  • FrSky Hourus X12S - Also can run FrSky OS (FrOS)
  • FrSky Hourus X10 & X10S - Also can run FrSky OS (FrOS)
  • Turnigy 9XR & 9XR PRO
  • FlySky 9X (and with AR9x, Sky9x, Gruvin9x board)

OpenTX Radios Link

Official Website

Helpful Links