lo        no wireless extensions.

eth0      no wireless extensions.

usb0      no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11abgn  ESSID:"Smile"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:1C:DF:E6:22:9B   
          Bit Rate=54 Mb/s   Tx-Power=15 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:87B3-B7A9-3A66-9A67-89F7-29AB-EC
          Power Management:off
          Link Quality=52/70  Signal level=-58 dBm  Noise level=-88 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0