grieve:~# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

sit0      no wireless extensions.

eth1      IEEE 802.11b/g  ESSID:off/any  Nickname:"Broadcom 4318"
          Mode:Managed  Frequency=2.484 GHz  Access Point: Invalid
          Bit Rate=11 Mb/s   Tx-Power=18 dBm
          RTS thr:off   Fragment thr:off
          Encryption key:off
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

grieve:~#