GNU/Linux Ubuntu 23.04 Installing Broadcom 802.11n Wifi Driver Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install Broadcom 802.11 Wireless Driver for Ubuntu 23.04 Lunar GNU/Linux.
And the Guide include support for All the currently available Broadcom Drivers:
Broadcom 802.11 Wi-fi Driver Ubuntu 23.04 Installation Guide