1.  iwconfig 
  2. lo        no wireless extensions. 
  3.  
  4. eth0      no wireless extensions. 
  5.  
  6. wlan0     RT2860 Wireless  ESSID:""  Nickname:"RT2860STA" 
  7.           Mode:Auto  Frequency=2.412 GHz  Access Point: Not-Associated    
  8.           Bit Rate:1 Mb/s    
  9.           RTS thr:off   Fragment thr:off 
  10.           Encryption key:off 
  11.           Link Quality=10/100  Signal level:0 dBm  Noise level:-87 dBm 
  12.           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0 
  13.           Tx excessive retries:0  Invalid misc:0   Missed beacon:0