root@c7x0:~# iwconfig
lo no wireless extensions.
usb0 no wireless extensions.
Warning: Driver for device wifi0 has been compiled with version 18
of Wireless Extension, while this program supports up to version 17.
Some things may be broken...
wifi0 IEEE 802.11b ESSID:"<unknown>"
Mode:Ad-Hoc Frequency:2.422 GHz Cell: 02:80:4A:AC:09:3F
Bit Rate:2 Mb/s Sensitivity=1/3
Retry min limit:8 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
wlan0 IEEE 802.11b ESSID:"<unknown>"
Mode:Ad-Hoc Frequency:2.422 GHz Cell: 02:80:4A:AC:09:3F
Bit Rate:2 Mb/s Sensitivity=1/3
Retry min limit:8 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=0/70 Signal level=-73 dBm Noise level=-73 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0