francesco@francesco-F5R:~$ iwconfig
wlan0     IEEE 802.11bg  ESSID:"TeleTu_f0842f1576b1"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: F0:84:2F:15:76:B1   
          Bit Rate=54 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=42/70  Signal level=-68 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:13  Invalid misc:57   Missed beacon:0

lo        no wireless extensions.

eth0      no wireless extensions.

francesco@francesco-F5R:~$