ho fatto il comando per sapere il tipo di scheda e poi la presenza di driver mi ha risposto cosi ma non so ora cosa fare

lspci -vvnn | grep 14e4
06:00.0 Network controller [0280]: Broadcom Limited BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
roberta@robertaubuntu:~$ lspci -vvnn | grep -A 9 Network
06:00.0 Network controller [0280]: Broadcom Limited BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
Subsystem: AMBIT Microsystem Corp. BCM4311 802.11b/g WLAN [1468:0316]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 18
Region 0: Memory at da000000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: b43-pci-bridge
Kernel modules: ssb