lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:"swinwifi"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:0F:23:3A:2A:43   
          Bit Rate=54 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:3C57-1FAE-0716-F802-4C94-3098-2E36-5360-B005-DC57-A353-4CB1-D46B-E3F0-1869-A43A [2]
          Power Management:on
          Link Quality=22/70  Signal 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