Mine

ath0      Scan completed :
          Cell 01 - Address: EA:F4:54:1E:AE:24
                    ESSID:"Casa"
                    Mode:Ad-Hoc
                    Frequency:2.457 GHz (Channel 10)
                    Quality=35/94  Signal level=-60 dBm  Noise level=-95 dBm
                    Encryption key:off
                    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 02 - Address: 0E:5A:9C:D6:DA:A5
                    ESSID:""
                    Mode:Ad-Hoc
                    Frequency:2.457 GHz (Channel 10)
                    Quality=34/94  Signal level=-61 dBm  Noise level=-95 dBm
                    Encryption key:off
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                    Extra:bcn_int=100