lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:"SCRN-Guest"  
          Mode:Managed  Frequency:2.427 GHz  Access Point: 00:30:44:02:DB:E6   
          Bit Rate=54 Mb/s   Tx-Power=27 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:A8DE-820F-F76D-C5B5-7192-5B02-8893-F53A-3877-1B5E-FD87-A946-2221-4339-5C1A-9867 [2]
          Power Management:off
          Link Quality=70/70  Signal level=-38 dBm  Noise level=-96 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0