lo        no wireless extensions.

eth3      no wireless extensions.

eth4      IEEE 802.11bg  ESSID:"Arabyata Cafe"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: 68:7F:74:06:64:C9   
          Bit Rate:54 Mb/s   Tx-Power=20 dBm   Sensitivity=8/0  
          Retry limit:7   RTS thr:off   Fragment thr:off
          Encryption key: <hidden>
          Power Management:off
          Link Quality=89/100  Signal level=-40 dBm  Noise level=-85 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:3