GNU/Linux Lubuntu Realtek rtl8832AU Driver Setup – Step-by-step Guide
The linked tutorial shows you step-by-step How to Install Realtek rtl8832AU Wireless Driver in Lubuntu 18.04+ GNU/Linux desktop – Step by step Tutorial.
Especially relevant, this Driver is supporting also the rtl8852AU Chipset.
And this Lubuntu Realtek rtl8832AU Driver is developed thanks to the beneficent Work of Lwfinger.
Finally, here I propose you a simplified Installation Setup for Machines with MOK/Secure-Boot Disabled. But in case you want to keep it enabled, then see directly the Developer’s Docs.
GNU/Linux Lubuntu Realtek rtl8832AU Driver Install Guide