`--> sudo iwlist scan
lo        Interface doesn't support scanning.

eth0      Interface doesn't support scanning.

eth1      Interface doesn't support scanning.

wifi0     Interface doesn't support scanning.

ath0      Scan completed :
          Cell 01 - Address: 00:13:49:3C:41:E9
                    ESSID:"FRHOC"
                    Mode:Master
                    Frequency:2.437 GHz (Channel 6)
                    Quality=35/94  Signal level=-60 dBm  Noise level=-95 dBm
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
                              6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                              36 Mb/s; 48 Mb/s; 54 Mb/s
                    Extra:bcn_int=200
          Cell 02 - Address: 00:18:39:8E:64:0A
                    ESSID:"polvinen"
                    Mode:Master
                    Frequency:2.437 GHz (Channel 6)
                    Quality=2/94  Signal level=-93 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
                              9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:bcn_int=100
          Cell 03 - Address: 00:02:72:4B:0C:8C
                    ESSID:"kotiverkko"
                    Mode:Master
                    Frequency:2.437 GHz (Channel 6)
                    Quality=4/94  Signal level=-91 dBm  Noise level=-95 dBm
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                    Extra:bcn_int=100
          Cell 04 - Address: 00:13:49:E0:8E:A4
                    ESSID:""
                    Mode:Master
                    Frequency:2.437 GHz (Channel 6)
                    Quality=4/94  Signal level=-91 dBm  Noise level=-95 dBm
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
                              6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                              36 Mb/s; 48 Mb/s; 54 Mb/s
                    Extra:bcn_int=100
          Cell 05 - Address: 00:02:72:51:FA:CC
                    ESSID:"MyWLAN"
                    Mode:Master
                    Frequency:2.462 GHz (Channel 11)
                    Quality=5/94  Signal level=-90 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
                              9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:bcn_int=100
                    IE: WPA Version 1
                        Group Cipher : TKIP 
                        Pairwise Ciphers (1) : TKIP 
                        Authentication Suites (1) : PSK  
          Cell 06 - Address: 00:14:A5:82:A8:A0
                    ESSID:"kalastaja"
                    Mode:Master
                    Frequency:2.462 GHz (Channel 11)
                    Quality=1/94  Signal level=-94 dBm  Noise level=-95 dBm
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
                              11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:bcn_int=100
                    IE: WPA Version 1
                        Group Cipher : None or same as Group 
                        Pairwise Ciphers (1) : None or same as Group 
                        Authentication Suites (1) : PSK  

sit0      Interface doesn't support scanning.