02:02.0 Network controller [0280]: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller [14e4:4320] (rev 03)
Kernel driver in use: b43-pci-bridge
Kernel modules: ssb
Tested on gNewSense 2.3, b43-open firmware, and 2.6.30.7-libre-fshoppe1 kernel. The following is the output of dmesg:
[ 191.366690] b43-phy0: Loading OpenSource firmware version 410.31754 (Hardware crypto not supported)
I followed the instructions posted here
http://leorockway.wordpress.com/category/lignux/distros/gnewsense-distros-lignux/ to make it work.