Tplinkrepeater.net : How do I connect my TP Link extender?
By enabling the Smart Connect feature in your Tp-link extender, the connected devices using your Internet automatically get connected to the fastest Wi-Fi frequency band. The feature of your bandwidth allocation technique to identify the faster frequency band. It is enabled by default and could be disabled through the tplinkrepeater.net window. The Smart Connect feature is enabled by default in your Tp-link Extender and can be configured through the web interface of your device. Make sure that the network name of both the Wi-fi frequency band of your extender is the same to avoid the overlapping of the SSID name of your network.