debian:/home/dave# iwconfig
lo        no wireless extensions.

eth1      no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11g  ESSID:off/any
          Mode:Managed  Frequency:720.899 GHz  Access Point: Not-Associated
          Bit Rate:11 Mb/s
          RTS thr:2347 B   Fragment thr:2346 B
          Encryption key:off
          Power Management:off
          Link Quality:0/100  Signal level:56/154  Noise level:160/154
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

sit0      no wireless extensions.

debian:/home/dave# gtkwifi run-in-window

(gtkwifi:5494): GnomeUI-WARNING **: While connecting to session manager:
Authentication Rejected, reason : None of the authentication protocols specified are supported and host-based authentication failed.
FF:00:FF:00:FF:00 / managed
Warning: Unknown AP mode on network 'SKY13065' (00:14:6C:B5:C7:04)
Warning: Unknown AP mode on network 'default' (00:0D:88:B8:B2:C8)
Warning: Unknown AP mode on network 'Penny' (00:14:6C:7D:65:E2)
Warning: Unknown AP mode on network 'SKY13065' (00:14:6C:B5:C7:04)
Warning: Unknown AP mode on network 'default' (00:0D:88:B8:B2:C8)
Warning: Unknown AP mode on network 'Penny' (00:14:6C:7D:65:E2)
00:0D:88:B8:B2:C8 / managed
/bin/sh: line 1:  5526 Terminated              dhclient "wlan0" 2>&1 >>/dev/nullWarning: Unknown AP mode on network 'default' (00:0D:88:B8:B2:C8)
Warning: Unknown AP mode on network 'Penny' (00:14:6C:7D:65:E2)
Warning: Unknown AP mode on network 'SKY13065' (00:14:6C:B5:C7:04)
Warning: Unknown AP mode on network 'Penny' (00:14:6C:7D:65:E2)
Warning: Unknown AP mode on network 'default' (00:0D:88:B8:B2:C8)
Warning: Unknown AP mode on network 'SKY13065' (00:14:6C:B5:C7:04)
00:0D:88:B8:B2:C8 / managed
/bin/sh: line 1:  5570 Terminated              dhclient "wlan0" 2>&1 >>/dev/null
(gtkwifi:5494): Bonobo-WARNING **: Never got frame, control died - abnormal exit condition