It's well known that the Broadcom cards are spotty at best. The simplest solution would be to purchase a USB dongle like the Alfa: http://www.backtrack-linux.org/forum...-awus036h.html
If that is not an option, you can try searching some of the threads here to see if you can find support for your card. A quick search:
http://www.backtrack-linux.org/forum...5Brev1%5D.html
http://www.backtrack-linux.org/forum...t-working.html
Good luck.


