01 March 2011

wifi signal strength checking with linux command tool

[moon@cafe ~]$ iwconfig wlan0
wlan0     IEEE 802.11bg  ESSID:"NETGEAR"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:26:F2:11:BF:CE   
          Bit Rate=54 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=70/70  Signal level=-36 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

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