OpenTX

OpenTX is open source firmware for RC radio transmitters.

Firmware · open-tx.org

Open OpenTX in AirStack

What OpenTX’s own pages say

What it says it doesOpenTX is open source firmware for RC radio transmitters. open-tx.org
Open sourceYes open-tx.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.