wlan0     IEEE 802.11bgn  ESSID:"FRITZ!Box WLAN 3270"
          Mode:Managed  Frequency:2.427 GHz  Access Point: BC:05:43:17:E9:29
          Bit Rate=0 kb/s   Tx-Power=20 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=50/70  Signal level=-60 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0