To escalate the convenience for users, a QR code is given on the back of your extender that you can use to connect your mobile device to the range extender. During the dlinkap.local setup process, tap the “Scan the QR code” option on the screen to connect your range extender. You don’t have to use any Wireless credentials while connecting to the range extender using the scanner. The unit of the range extender supports two modes- The wireless extender and the Access point.