lo        no wireless extensions.

eth0      no wireless extensions.

pan0      no wireless extensions.

wlan0     IEEE 802.11g  ESSID:off/any  
          Mode:Auto  Frequency:2.412 GHz  Access Point: Not-Associated   
          Bit Rate:11 Mb/s   Tx-Power:20 dBm   Sensitivity=-121 dBm  
          RTS thr=2347 B   Fragment thr=2346 B   
          Encryption key: <hidden>
          Power Management:off
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0