iwconfig wlan1
wlan1     802.11b/g  Mode:Monitor  Channel=8  Bit Rate=11 Mb/s   
          Retry:on   Fragment thr: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