root@OpenWrt:~# iwlist eth1 scanning
eth1      Scan completed :
          Cell 01 - Address: 00:0E:6A:28:7C:BE
                    ESSID:"UP_Wi-Fi"
                    Mode:Master
                    Channel:10
                    Quality:0/0  Signal level:-97 dBm  Noise level:-88 dBm
                    Encryption key:on
                    Bit Rate:1 Mb/s
                    Bit Rate:2 Mb/s
                    Bit Rate:5.5 Mb/s
                    Bit Rate:11 Mb/s
                    Bit Rate:6 Mb/s
                    Bit Rate:12 Mb/s
                    Bit Rate:24 Mb/s
                    Bit Rate:36 Mb/s
                    Bit Rate:9 Mb/s
                    Bit Rate:18 Mb/s
                    Bit Rate:48 Mb/s
                    Bit Rate:54 Mb/s