Realtek provides generic drivers, which are usually stable but might not be updated specifically for the latest Windows 11 builds.
The Realtek RTL8812BU is a highly capable 802.11ac Wave 2 chipset. It supports dual-band (2.4GHz and 5GHz) and speeds up to 867Mbps (5GHz) or 300Mbps (2.4GHz), totaling a theoretical link speed of 1200Mbps. rtl8812bu driver windows 11 top