Open source Atheros wifi? (ath10k)

[Steven Mainor]

I have a laptop with a QCA9377 Atheros AC wifi card. When I install debian 10.7 amd64 I get a warning about missing non-free firmware and the wifi doesn't work. It was my understanding that ath10k was open source and included in linux. Is this not the case?

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Steven Mainor

If not is there any wireless AC card that doesn't require binary drivers? And barring that, what is the best wifi(N?) card I can buy that doesn't require closed source drivers/firmware?

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