lo        no wireless extensions.

eth0      no wireless extensions.

pan0      no wireless extensions.

twifiu0   802.11 g  ESSID:"Gabriela_Network"  Nickname:""
          NWID:off/any  Mode:Managed  Frequency=2.412 GHz  
          Access Point: 00:27:19:15:17:F0   Bit Rate:54 Mb/s   
          Retry:on   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=0/100  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0