Sure, why not? Just replace the mainboard with the one Woj SP5WWP designed, flash it with the sample firmware, et voilà.
SA868 “open edition” 1W UHF module by NiceRF is used. The module runs OpenRTX open-source firmware.
Please note that the project is very early in its development and the functionality offered is very limited. Nothing beyond text entry has been tested, but transmitting M17 should be straightforward to implement.
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