lo        no wireless extensions.

eth0      no wireless extensions.

vboxnet0  no wireless extensions.

wlan0     IEEE 802.11abgn  ESSID:"ncm"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 68:7F:74:02:33:EA   
          Bit Rate=48 Mb/s   Tx-Power=19 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=52/70  Signal level=-58 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:68   Missed beacon:0