lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

vboxnet0  no wireless extensions.

pan0      no wireless extensions.

wlan0     IEEE 802.11abgn  ESSID:"barney"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:12:17:A6:9C:92   
          Bit Rate=54 Mb/s   Tx-Power=14 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:08CB-BC28-8D21-05E0-5419-34A7-76CF-0309 [2]
          Power Management:off
          Link Quality=58/70  Signal level=-52 dBm  Noise level=-92 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0