[root@cave wifi]# iwlist wlan0 scan
wlan0     Scan completed :
          Cell 01 - Address: 00:1B:2F:E8:3A:AC
                    ESSID:"NETGEAR"
                    Protocol:IEEE 802.11g
                    Mode:Managed
                    Frequency:2.462 GHz (Channel 11)
                    Quality:9/100  Signal level:-90 dBm  Noise level:-96 dBm
                    Encryption key:off
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              12 Mb/s; 24 Mb/s; 36 Mb/s; 9 Mb/s; 18 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:bcn_int=100
                    Extra:atim=0

[root@cave wifi]#