wifi:

Listado de tarjetas compatibles: \\
https://help.ubuntu.com/community/HardwareSupportComponentsWirelessNetworkCardsBroadcom \\

Para ver el driver:

lspci -v

03:00.0 Network controller: Broadcom Corporation BCM4328 802.11a/b/g/n (rev 03)
        Subsystem: Hewlett-Packard Company Unknown device 1367
        Flags: bus master, fast devsel, latency 0, IRQ 255
        Memory at b8000000 (64-bit, non-prefetchable) [size=16K]
        Memory at d0200000 (64-bit, prefetchable) [size=1M]
        Capabilities: <access denied>