lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11g  ESSID:"khalisa"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:02:6F:24:18:A6   
          Bit Rate=54 Mb/s   Tx-Power:20 dBm   Sensitivity=0/3  
          RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality:75/100  Signal level:-48 dBm  Noise level:-96 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0