DK1DA/FreeTRX
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Marcus Kida 63a833269a docs(site): mention ./screenshot.sh on the home page 
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-12 13:09:38 +02:00

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FreeTRX

FreeTRX is a fork of the OpenGD77 firmware for the TYT MD-UV380 / Retevis RT-3S and Baofeng DM-1701 / Retevis RT-84.

Latest release :material-download:{ .md-button .md-button--primary } Source :material-git:{ .md-button }

Screenshots

DMR call with the segmented S-meter

VFO with the 7-segment frequency font

Documentation

  • User Manual — every feature, tagged 🟢 FreeTRX (new/changed) or ⚪ OpenGD77 (inherited), with a button reference.
  • Building & Flashing — Docker build (./build-firmware.sh), flashing (./flash.sh), and grabbing screenshots (./screenshot.sh).
  • Changelog — version history.

Supported radios

Developed and tested on the TYT MD-UV380 / Retevis RT-3S. A DM-1701 / RT-84 build is also produced but not yet officially tested. Want to help test another OpenGD77-supported radio? Email Marcus, DK1DA at qsl@dk1da.de.

!!! note "License" FreeTRX inherits the OpenGD77 license (modified BSD 3-Clause with a non-commercial clause). It is not GPL-compatible and cannot be relicensed.