GNU/Linux Ubuntu 21.04 Alfa AWUS036ACH Driver Setup Guide [quads id=5] Hi! The linked Tutorial Shows You Step-by-Step How to Install Alfa Network AWUS036ACH Wireless 802.11ac Driver in Ubuntu 21.04 Hirsute GNU/Linux. And the Ubuntu Hirsute Alfa AWUS036ACH Setup is based on the Realtek rtl8812AU Chipset Driver Installation. So the linked guide explain How to Download and Install the rtl8812AU Linux Driver. GNU/Linux Ubuntu 21.04 Alfa AWUS036ACH Wireless Driver Installation Guide [quads id=6] Alfa AWUS036ACH Ubuntu 21.04 Wireless Driver Installation Guide [quads id=7]