eth0      no wireless extensions.

lo        no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:<hidden>
          Mode:Managed  Frequency:2.412 GHz  Access Point: <hidden>
          Bit Rate=18 Mb/s   Tx-Power=19 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=37/70  Signal level=-73 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:135   Missed beacon:0