I am using this wifi adapter on an old Lubuntu 20.04 LTS 5.8 kernel PC. The recommended drivers for the product state that it supports kernels 4.4.x through 5.6.x. Since I'm using the 5.8 kernel, I didn't use the recommended git repository. Instead, I used an alternative git repo that says it has general support for 5.x kernels. I created an alternative driver and installed it using DKMS. Driver confusion aside, the key works pretty well in both ranges.
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