A iinstalar, para resolver esta incompatibilidad:
For devices with a BCM4312 LP-PHY chip (PCI ID 14E4:4315), install firmware-b43-installer:
apt-get install firmware-b43-installer
For devices with a BCM4301 chip or the BCM4306 revision 2 chip, install firmware-b43legacy-installer:
apt-get install firmware-b43legacy-installer