Install ALFA AWUS036ACH Drivers on Ubuntu 18.04
Simple Command To Install Alfa Drivers
Open a terminal and escalate your privelages
sudo bash
apt install wireless-tools
iwconfig
Note your wireless adapters…if any are installed
apt-get install realtek-rtl8812au-dkms
Drivers will install, this may take a few minutes.
Once it is done type the following
iwconfig
You will now see your ALFA wireless card