ubuntu@ubuntu:~$ iwconfig ath0
ath0      IEEE 802.11g  ESSID:"Comartin1"  Nickname:""
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:19:5B:27:DA:BA
          Bit Rate:18 Mb/s   Tx-Power:17 dBm   Sensitivity=0/3
          Retry:off   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=38/94  Signal level=-57 dBm  Noise level=-95 dBm
          Rx invalid nwid:87949  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0