A nie je daný FW náhodou priamo priamo v správcovi balíčkov? Na zatracovanom Ubuntu je, používam ho.
$ apt-cache search b43
b43-fwcutter - utility for extracting Broadcom 43xx firmware
firmware-b43-installer - firmware installer for the b43 driver
firmware-b43legacy-installer - firmware installer for the b43legacy driver
libghc-osm-dev - parse OpenStreetMap files
libghc-osm-prof - parse OpenStreetMap files; profiling libraries
$ dmesg | grep b43|head -7
[ 19.224064] b43-pci-bridge 0001:10:12.0: enabling device (0004 -> 0006)
[ 26.455309] b43-phy0: Broadcom 4306 WLAN found (core revision 5)
[ 26.464679] b43-phy0: Found PHY: Analog 2, Type 2 (G), Revision 2
[ 26.464718] b43-phy0: Found Radio: Manuf 0x17F, ID 0x2050, Revision 2, Version 0
[ 57.892538] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 61.573456] b43 ssb0:0 wlan0: disabling HT as WMM/QoS is not supported by the AP
[ 61.573481] b43 ssb0:0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
$