In 12.04 there is no support for 802.11n for BCM4331 found in MacBook Pro 8,1 and 8,2. 802.11g is supported with the b43 driver.
Currently the brcmsmac driver does not support BCM4331 at all (it is listed in the todo: http://linuxwireless.org/en/users/Drivers/brcm80211)
Some more info available here: http://www.spinics.net/lists/linux-wireless/msg88025.html
In 12.04 there is no support for 802.11n for BCM4331 found in MacBook Pro 8,1 and 8,2.
802.11g is supported with the b43 driver.
Currently the brcmsmac driver does not support BCM4331 at all linuxwireless. org/en/ users/Drivers/ brcm80211)
(it is listed in the todo: http://
Some more info available here: http:// www.spinics. net/lists/ linux-wireless/ msg88025. html