wl - Proprietary Broadcom STA Wireless driver
For Chip ID BCM4311, BCM4312, BCM4313, BCM4321, BCM4322, BCM43224, BCM43225, BCM43227 and BCM43228.
Install either bcmwl-kernel-source (instructions below) OR the broadcom-sta (instructions at
http://wiki.debian.org/wl) packages.
b43 - Open source driver
For Chip ID BCM4306 (rev 03), BCM4309, BCM4311, BCM4312, BCM4318, BCM4322, BCM4331, BCM43224 and BCM43225.
Note: Not all PCI-ID's and/or modes are supported. A more complete and up-to-date list of supported b43/b43legacy devices may be found on the Linux Wireless wiki. Use your card's PCI ID (the number in the square brackets) to find it's status in the table.
Instructions to install/extract the required firmware using one of the b43-fwcutter packages are below.