debian:/home/zaza# iwlist eth2 scan
eth2      Scan completed :
          Cell 01 - Address: 00:19:7E:1D:DB:A5
                    ESSID:"Livebox-D6C0"
                    Protocol:IEEE 802.11bg
                    Mode:Master
                    Channel:1
                    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
                    Quality=95/100  Signal level=-33 dBm  Noise level=-33 dBm
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : TKIP
                        Authentication Suites (1) : PSK
                    Extra: Last beacon: 56ms ago
          Cell 02 - Address: 00:16:38:F5:BE:25
                    ESSID:"<hidden>"
                    Protocol:IEEE 802.11bg
                    Mode:Master
                    Channel:1
                    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
                    Quality=51/100  Signal level=-78 dBm  Noise level=-78 dBm
                    Extra: Last beacon: 172ms ago
          Cell 03 - Address: 3A:2A:32:E7:7B:76
                    ESSID:"<hidden>"
                    Protocol:IEEE 802.11bg
                    Mode:Master
                    Channel:3
                    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
                    Quality=58/100  Signal level=-73 dBm  Noise level=-73 dBm
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    Extra: Last beacon: 72ms ago
          Cell 04 - Address: 3A:2A:32:E7:7B:75
                    ESSID:"<hidden>"
                    Protocol:IEEE 802.11bg
                    Mode:Master
                    Channel:3
                    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
                    Quality=63/100  Signal level=-69 dBm  Noise level=-69 dBm
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    Extra: Last beacon: 76ms ago
          Cell 05 - Address: 3A:2A:32:E7:7B:77
                    ESSID:"freephonie"
                    Protocol:IEEE 802.11bg
                    Mode:Master
                    Channel:3
                    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
                    Quality=58/100  Signal level=-73 dBm  Noise level=-73 dBm
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : TKIP
                        Authentication Suites (1) : 802.1X
                    Extra: Last beacon: 72ms ago
          Cell 06 - Address: 3A:2A:32:E7:7B:74
                    ESSID:"<hidden>"
                    Protocol:IEEE 802.11bg
                    Mode:Master
                    Channel:3
                    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
                    Quality=58/100  Signal level=-73 dBm  Noise level=-73 dBm
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    Extra: Last beacon: 76ms ago