lo        no wireless extensions.

eth0      no wireless extensions.

vboxnet0  no wireless extensions.

wlan0     802.11bgn  ESSID:"devilnet"  Nickname:"rtl8191SEVA2"
          Mode:Managed  Frequency=2.422 GHz  Access Point: 00:1B:11:56:0F:69   
          Bit Rate=300 Mb/s   
          Retry:on   RTS thr:off   Fragment thr:off
          Encryption key: <hidden>
          Power Management period:0us  mode:All packets received
          Link Quality=88/100  Signal level=-53 dBm  Noise level=-114 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0