b43 дрова

http://www.linuxwireless.org/en/users/Drivers/b43#Known_PCI_devices

для начала необходимо убедиться есть ли поддержка драйвера в ядре

lspci -vnn | grep 14e4

lsmod | grep b43 

export FIRMWARE_INSTALL_DIR="/lib/firmware"
wget http://downloads.openwrt.org/sources/broadcom-wl-4.80.53.0.tar.bz2
tar xjf broadcom-wl-4.80.53.0.tar.bz2
cd broadcom-wl-4.80.53.0/kmod
sudo ../../b43-fwcutter-013/b43-fwcutter -w "$FIRMWARE_INSTALL_DIR" wl_apsta.o

iwconfig

ifconfig wlan0 up

The b43-fwcutter package (as of 1:013~git20100413-1)

no longer acquires firmware, separate installer packages are now used. 

1. Add a "contrib" component to /etc/apt/sources.list, for example:

   # Debian Squeeze/6.0
   deb http://ftp.us.debian.org/debian squeeze main contrib non-free

2. Update the list of available packages and install the wireless-tools package:

   aptitude update
   aptitude install wireless-tools

3. Install the appropriate firmware installer package:
   For 802.11b/g devices with a BCM4306 revision 3, BCM4309, BCM4311 or BCM4318 chipset, install firmware-b43-installer:

   aptitude install firmware-b43-installer

   For 802.11b/g devices with a BCM4312 LP-PHY chipset (PCI-ID 14E4:4315), install firmware-b43-lpphy-installer:

   aptitude install firmware-b43-lpphy-installer

   For 802.11b-only devices (BCM4301, BCM4303 chipsets) or 802.11b/g devices with the BCM4306 revision 2 chipset, install firmware-b43legacy-installer:

   aptitude install firmware-b43legacy-installer

   A PCI ID check will be performed to prevent incorrect firmware installation. When satisfied, the relevant Broadcom proprietary driver will be acquired, the firmware within will be extracted and installed.
4. The necessary kernel module should be automatically loaded. If necessary, it can be manually loaded via either:

   modprobe b43

   or

   modprobe b43legacy

5. Verify your device has an available interface:

   iwconfig

6. Raise the interface to activate the radio, for example:

   ifconfig wlan0 up

7. Configure your wireless interface as appropriate.