lo        no wireless extensions.

eth0      no wireless extensions.

vboxnet0  no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:"DlinkP"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:1C:F0:3E:12:97   
          Bit Rate=1 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:1835-8B37-3CF1-EEC8-67EB-E17B-49AB-A589 [2]
          Power Management:off
          Link Quality=39/100  Signal level=39/100  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0