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So you got an Intel AX210 adapter installed on your Linux computer and are ready to start capturing Wi-Fi traffic on 6 GHz, except that it doesn't work. Here's what you should know. 🧵
First, you need to be running Linux kernel 5.10 or newer. Intel drivers (iwlwifi) are part of the upstream Linux kernel. Intel introduced support for the AX210 adapter (and 6 GHz) in version 5.10.
Second, if using iw for managing the Wi-Fi interface, make sure you install iw 5.9 or newer. Older versions of iw implemented some initial support for 6 GHz but used a channel numbering scheme that was later abandoned, with channels 191, 195, etc. 
