lo        no wireless extensions.

eth1      no wireless extensions.

vboxnet0  no wireless extensions.

wlan0     Ralink STA  ESSID:"Apfel"  Nickname:"RT2870STA"
          Mode:Managed  Frequency=2.437 GHz  Access Point: 00:1C:F0:88:3C:52   
          Bit Rate=54 Mb/s   
          RTS thr:off   Fragment thr:off
          Link Quality=100/100  Signal level:-51 dBm  Noise level:-83 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0