1.Log into the range extender’s management page. Click here for detailed instructions on how to do so.
2.Click Network. Make sure the range extender’s IP address is in the same IP segment with the root .
3.Click Quick Setup. Then, click Next > Wireless. Select Range Extender as the Operation Mode.
4.Find the root router’s SSID on the list, then click Connect.
Read more at https://tplink-repeater.com/.