wlan0     IEEE 802.11b  ESSID:"SpeedTouch"
          Mode:Managed  Frequency:2.452 GHz  Access Point: 00:14:7F:8E:50:73
          Bit Rate:11 Mb/s   Tx-Power:20 dBm   Sensitivity=-100 dBm
          RTS thr:2336 B   Fragment thr:2336 B
          Encryption key:off
          Power Management:off
          Link Quality:100/100  Signal level:-52 dBm  Noise level:-256 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:7187  Invalid misc:404080   Missed beacon:0