2.  Set up WPS, on the left select WLAN > WLAN Basic Configuration 
  WPS must be used with encryption WPA / WPA2 /WPA&WPA2 only 
  Enable WPS : tick a check mark to enable 
  WPS Mode : 3 options are  
-  PBC : press WPS button at Router 
-  PIN : 8-digit PIN from device supporting WPS PIN to enter and press Apply 
-  AP-PIN : enter password of AP-PIN in device supporting WPS PIN 
  Regenerate PIN : for changing to new PIN 
  Reset PIN : for changing the PIN to default PIN