GNU/Linux Mint ALFA Network AWUS036ACH Wifi Adapter Driver Setup – Step-by-step Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install Alfa Network AWUS036ACH Wireless AC1200 USB Adapter Driver in GNU/Linux Mint 18.x/19.x/20.x/21.x LTS Desktops.
And the Mint ALFA Network 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.
In case to check your Adapter Chipset see: How to Check Wireless Device ID on GNU/Linux.
GNU/Linux Mint Installing Alfa Network AWUS036ACH Wireless Driver