wlan0     IEEE 802.11b+/g+  ESSID:"STAF4D750"  Nickname:"acx v0.3.21"
          Mode:Managed  Frequency:2.412 GHz  Access Point: Not-Associated
          Bit Rate:54 Mb/s   Tx-Power=15 dBm   Sensitivity=1/3
          Retry min limit:7   RTS thr:off
          Power Management:off
          Link Quality=59/100  Signal level=43/100  Noise level=0/100
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0