wlan0     IEEE 802.11bg  ESSID:"WLAN-001C4A077F76"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:1C:4A:07:7F:76   
          Bit Rate=54 Mb/s   Tx-Power=11 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=40/70  Signal level=-70 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0