Know this is an old thread but wanted to post my findings.
Downloading and copying the drivers from the normal buster non-free source did not work for my Intel® Wi-Fi 6 AX201. I had to download the drivers from the buster-backports non-free source to get it fully (wifi + bluetooth) working.
Downloading and copying the drivers from the normal buster non-free source did not work for my Intel® Wi-Fi 6 AX201. I had to download the drivers from the buster-backports non-free source to get it fully (wifi + bluetooth) working.