iwconfig
lo        no wireless extensions.

eth1      no wireless extensions.

sit0      no wireless extensions.

wlan1     RT2500 Wireless  ESSID:""
          Mode:Managed  Frequency=2.412 GHz  Bit Rate=11 Mb/s   Tx-Power:-2 dBm 
          RTS thr:off   Fragment thr:off
          Encryption key:off
          Link Quality=0/100  Signal level=-120 dBm  Noise level:-192 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0