lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:"argyle"  
          Mode:Managed  Frequency:2.452 GHz  Access Point: 00:16:C8:17:59:40   
          Bit Rate=54 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:5A6D-E59A-49CE-22B0-F67D-C4EF-9A
          Power Management:off
          Link Quality=68/70  Signal level=-42 dBm  Noise level=-101 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0