ath0      IEEE 802.11g  ESSID:"5135 0014"  Nickname:""
          Mode:Managed  Frequency:2.442 GHz  Access Point: 00:0F:CC:A5:DF:C0   
          Bit Rate:18 Mb/s   Tx-Power:16 dBm   Sensitivity=1/1  
          Retry:off   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=19/70  Signal level=-74 dBm  Noise level=-93 dBm
          Rx invalid nwid:41  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0