GNU/Linux Debian Bullseye Installing Broadcom BCM43227 Driver Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install Broadcom BCM43227 Wi-fi/Bluetooth Driver in Debian Bullseye 11 GNU/Linux.
The Package Provides the Source Code for the wl Kernel Modules and makes use of the DKMS Build Utility to Install them for the Running Kernel.
GNU/Linux Debian 11 Broadcom BCM43227 Driver Installation Guide
Broadcom BCM43227 Driver Debian Bullseye Installation Guide