rtl8814au : Realtek 8814AU USB WiFi module for Linux kernel ( https://github.com/morrownr/8814au )
rtl8821cu : Realtek USB WiFi Adapters based on 8811CU/8821CU/8821CUH/8731AU Chipsets ( https://github.com/morrownr/8821cu-20210916 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a calculate
For Paludis use this rsync : rsync://gentoo.zugaina.org/calculate-portage
If you have a problem : ycarus(-at-)zugaina.org