If you have an ASUS AC56 can tell you this works with Mint. That includes LMDE.
www.asus.com
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USB-AC56|Adapters|ASUS New Zealand


How to Install RTL8814AU Wireless Driver in Ubuntu 19.10
This quick tutorial shows how to install RTL8814AU and RTL8812AU/21AU drives in Ubuntu 19.10 with Kernel 5.13. First plug your Ubuntu machine into a wired internet connection. Then open terminal ei…
ubuntuhandbook.org
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