There is a solution that solves that problem.
Have bought one yesterday and it runs after findnig this webpage:
https://askubuntu.com/questions/1149117/tp-link-ac600-archer-t2u-nano-driver-for-ubuntu-18-04
Look at number 22 an take dkms for installing the module.
Code:
sudo apt install git dkms
git clone https://github.com/aircrack-ng/rtl8812au.git
cd rtl8812au
sudo make dkms_install
I have done it as root (without sudo) on openSUSE Tumbleweed and used directory /usr/src for running git in.
5 GHz excellerates the speed enormous compared to the 2.4GHz build in the old Lenovo Yoga.
Have fun.
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