lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

vboxnet0  no wireless extensions.

pan0      no wireless extensions.

tun0      no wireless extensions.

wlan0     IEEE 802.11abg  ESSID:"tug"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:1B:2B:68:34:40   
          Bit Rate=1 Mb/s   Tx-Power=15 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=20/70  Signal level=-90 dBm  Noise level=-127 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0