[rkagerer]

How is progress toward a useable open source alternative?

[AlotOfReading]

Virtually non-existent? There aren't that many people doing open RF hardware, and all of the ones I'm familiar with are working with SDR because the costs go up massively once you go to tapeout.

[ryao]

I am not sure if you can still get the chips, but these are fully OSS:

https://github.com/qca/open-ath9k-htc-firmware