lo        no wireless extensions.

eth0      no wireless extensions.

virbr2    no wireless extensions.

virbr3    no wireless extensions.

virbr0    no wireless extensions.

virbr1    no wireless extensions.

vboxnet0  no wireless extensions.

pan0      no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off