crowley@crowley-laptop:~$ iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     802.11b/g  link  ESSID:"ZyXEL"
          Mode:Managed  Frequency=2.437 GHz  Access Point: 00:02:CF:5A:76:0E
          Bit Rate=54 Mb/s
          Retry:on   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=81/100  Signal level=-39 dBm  Noise level=-107 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0