This page aims at getting your Broadcom BCM43xx based wireless network card working. The proprietary drivers can be activated under the desktop menu System / Administration / Hardware Drivers. If you experience troubles activating follow the instructions on this page for your particular scenario.
Broadcom BCM43xx Chipset (PCI)
Identifying Your Card/Driver
In a terminal the command lspci will display information about all PCI devices attached to your computer.
The following is typical input/output from lspci indicating that Ubuntu has found a Broadcom wireless card/chipset and listed its model as BCM4322.
To display only devices manufactured by Broadcom (including wifi cards) suffix the following to lspci:
~$ lspci -vvnn | grep 14e4
Note: The example output below indicates the model number to be BCM4322 (rev 01).
03:00.0 Network controller [0280]:
Broadcom Corporation BCM4322 802.11a/b/g/n Wireless LAN Controller
[14e4:432b] (rev 01)