lo        no wireless extensions.

eth0      no wireless extensions.

vboxnet0  no wireless extensions.

wwan0     no wireless extensions.

wlan0     IEEE 802.11abgn  ESSID:"PO"  
          Mode:Managed  Frequency:2.422 GHz  Access Point: 00:0F:CB:B5:E8:3D   
          Bit Rate=54 Mb/s   Tx-Power=15 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key: <hidden>
          Power Management:off
          Link Quality=63/70  Signal level=-47 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:210   Missed beacon:0