# iwlist scannin
lo        Interface doesn't support scanning.

eth0      Interface doesn't support scanning.

wifi0     Interface doesn't support scanning.

ath0      Scan completed :
          Cell 01 - Address: 00:18:39:5A:E0:F4
                    ESSID:"linksys"
                    Mode:Master
                    Frequency:2.437 GHz (Channel 6)
                    Quality=71/70  Signal level=-24 dBm  Noise level=-95 dBm
                    Encryption key:off
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
                              12 Mb/s; 48 Mb/s
                    Extra:bcn_int=100
          Cell 02 - Address: 00:14:BF:21:1C:62
                    ESSID:"G MVD"
                    Mode:Master
                    Frequency:2.437 GHz (Channel 6)
                    Quality=10/70  Signal level=-85 dBm  Noise level=-95 dBm
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
                              12 Mb/s; 48 Mb/s
                    Extra:bcn_int=100
          Cell 03 - Address: 00:1B:2F:67:AA:92
                    ESSID:"WhaleNet"
                    Mode:Master
                    Frequency:2.462 GHz (Channel 11)
                    Quality=6/70  Signal level=-89 dBm  Noise level=-95 dBm
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              12 Mb/s; 24 Mb/s; 36 Mb/s; 9 Mb/s; 18 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:bcn_int=100

localhost ~ # iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wifi0     no wireless extensions.

ath0      IEEE 802.11g  ESSID:"linksys"  Nickname:""
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:18:39:5A:E0:F4
          Bit Rate:54 Mb/s   Tx-Power:14 dBm   Sensitivity=1/1
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=70/70  Signal level=-26 dBm  Noise level=-96 dBm
          Rx invalid nwid:102025  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0