How to Install Broadcom B43 Legacy Driver on Gnu/Linux Distros
GNU/Linux Installing Broadcom B43 Legacy Firmware
Hi! This tutorial will guide you step-by-step on How to Install Broadcom B43 Legacy Wireless Driver Firmware in GNU/Linux Computers.
And Broadcom B43 Legacy Firmware for Linux is including the Proprietary Code to support some Wireless Devices.
Especially relevant: the b43 Legacy Driver supports the following devices
BCM4301
BCM4306
BCM4306/2
BCM4309
For other BCM43xx Models see instead Broadcom Wl or Broadcom B43, or finally on Debian-based Broadcom Brcmfmac.