ce3c@ce3c:~$ iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

ra0       RT61 Wireless  ESSID:"LDV 58"
          Mode:Auto  Frequency:11 MHz  Bit Rate=1 Mb/s
          RTS thr:off   Fragment thr:off
          Link Quality=30/70  Signal level:-121 dBm  Noise level:-111 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

sit0      no wireless extensions.

ce3c@ce3c:~$ sudo iwlist ra0 scan
ra0       Scan completed :
          Cell 01 - Address: 00:13:46:5D:01:5B
                    Mode:Managed
                    ESSID:"LDV 58"
                    Encryption key:on
                    Channel:11