lo        no wireless extensions.

eth0      no wireless extensions.

usb0      no wireless extensions.

wmaster0  no wireless extensions.

vboxnet0  no wireless extensions.

pan0      no wireless extensions.

wlan0     IEEE 802.11abgn  ESSID:"Kerstin & Georg WLAN"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:1C:4A:01:23:E6   
          Bit Rate=0 kb/s   Tx-Power=14 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:5CFD-9897-3C43-6CD2-4D8C-71C7-8E46-0634-2ED6-F598-B0AE-2B6C-8C2A-7553-0BD2-D40E [3]
          Power Management:off
          Link Quality=70/70  Signal level=-33 dBm  Noise level=-87 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0