lo        no wireless extensions.

eth0      no wireless extensions.

wifi0     no wireless extensions.

ath0      IEEE 802.11g  ESSID:"Jeff2G"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 30:46:9A:F9:95:AD   
          Bit Rate:54 Mb/s   Tx-Power:18 dBm   Sensitivity=1/1  
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key: <hidden>
          Power Management:off
          Link Quality=65/70  Signal level=-26 dBm  Noise level=-91 dBm
          Rx invalid nwid:495  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0