lo        no wireless extensions.

eth0      no wireless extensions.

irda0     no wireless extensions.

wlan0     IEEE 802.11abg  ESSID:"dfsg-net"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:0F:66:18:C2:5C   
          Bit Rate=48 Mb/s   Tx-Power=15 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key: <hidden>
          Power Management:off
          Link Quality=35/70  Signal level=-75 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0