lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:"vex"  
          Mode:Managed  Frequency:2.427 GHz  Access Point: 74:EA:3A:BA:86:A5   
          Bit Rate=24 Mb/s   Tx-Power=19 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=29/70  Signal level=-81 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:22  Invalid misc:1469   Missed beacon:0