There is no official Linux driver for the devices with the RTL8812AU chipset

There's this: https://github.com/aircrack-ng/rtl8812au

However, the Linux kernel maintainers don't like this code, for good reason:

• It has its own 802.11 stack. The kernel maintainers want drivers to use the kernel's own 802.11 stack (cfg80211, mac80211). You know, don't reinvent the wheel. It's a lot of code, many opportunities for bugs to appear, big maintenance burden.
• It doesn't comply with the kernel's coding style standards.
• It duplicates a lot of code found in other Realtek drivers. If they accept one driver, they should accept others, but there are so, so many duplicated files with smaller or bigger differences.

Even if someone were to send the driver to the Linux maintainers, they would not accept it.

This developer is available to code it: https://github.com/dubhater

tp-link could you so kind and send him a very low cost Tp-Link T2U. Thanks.