$ sudo iwlist wlan0 scanning | egrep 'Cell |Encryption|Quality|Last beacon|ESSID'
          Cell 01 - Address: 5E:CF:7F:84:54:70
                    ESSID:"smartpower2"
                    Encryption key:on
                    Quality=0/100  Signal level=-45 dBm
          Cell 02 - Address: 5E:CF:7F:13:91:D6
                    ESSID:"smartpower2"
                    Encryption key:on
                    Quality=0/100  Signal level=-45 dBm
          Cell 03 - Address: 2C:30:33:5E:8C:9D
                    ESSID:"MYSSID"
                    Encryption key:on
                    Quality=0/100  Signal level=-45 dBm
          Cell 04 - Address: 2C:30:33:5E:8C:9C
                    ESSID:"GoToHell-5G"
                    Encryption key:on
                    Quality=0/100  Signal level=-45 dBm