If you are running Ubuntu, Fedora, or Debian, the kernel likely includes a staging driver, but it's often broken. For AC1200 adapters, you need to install via dkms from GitHub repos (e.g., morrownr/88x2bu-20210702 for RTL8812BU). Avoid the default rtl88x2bu-dkms from Ubuntu repos—it is typically outdated.
To provide an accurate driver report for a , I need the specific chipset (e.g., Realtek RTL8812BU, RTL8811CU, MediaTek MT7612U, etc.).
Before we tackle drivers, let’s decode the name.