Locating Drivers for Intel AX200 Wireless on 5.1 Kernel

Just upgrade to the latest Linux Kernel, >5.1, and use the latest firmware for the Wireless adapter: https://www.intel.com/content/www/us/en/support/articles/000005511/network-and-i-o/wireless-networking.html

Update:

The driver has been released for all major kernels here

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Original:

According to the product page it's a pre-certified solution and the driver has not been published yet.

Even Linus's Development branch doesn't reveal anything so I'm assuming that at the time of this writing, it's not Linux compatible yet and the article you're referring to uses marketing speak for: We'll be adding that soon...