GNU/Linux Manjaro NetGear A6100 Wifi Driver Setup – Step-by-step Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install NetGear A6100 Mini AC600 Wireless USB Dongle Driver in GNU/Linux Manjaro Desktop.
And the Manjaro NetGear A6100 Setup is based on the Realtek rtl8811AU Chipset Driver Installation.
But the Realtek rtl8812AU/rtl8821AU Driver following the Realtek Documentation is supporting also the rtl8811AU Chipset.
So you may try first with the rtl8821AU Driver Setup and eventually switch to the rtl8812AU.
GNU/Linux Manjaro Installing NetGear Mini A6100 Wireless Driver