lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:"Royal"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:1E:2A:EC:CF:0F   
          Bit Rate=48 Mb/s   Tx-Power=17 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=35/70  Signal level=-75 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:47  Invalid misc:5375   Missed beacon:0