francois@francois:~$ iwconfig eth1

eth1      IEEE 802.11b/g  ESSID:""  Nickname:"Broadcom 4318"
          Mode:Managed  Access Point: Invalid   
          RTS thr:off   Fragment thr:off
          Link Quality=0/100  Signal level=-256 dBm  Noise level=-256 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0