GNU/Linux Ubuntu 21.10 ASUS PCE-AC56 Wifi Driver Setup – Step-by-step Guide
The linked tutorial shows you step-by-step How to Install ASUS PCE-AC56 AC1300 Wireless 802.11ac Driver for Ubuntu 21.10 Impish GNU/Linux – Step by step Tutorial.
And the Ubuntu Impish ASUS PCE-AC56 Setup is based on the Broadcom rtl8812AU Chipset Driver Installation.
So the linked guide explain How to Install BCM4352 Linux Driver.

GNU/Linux Ubuntu 21.10 ASUS PCE-AC56 Wireless Driver Installation Guide