wavlink Extender setup is a simple process and you can do it yourself at home. Follow the steps below to set up your WiFi Extender. Remove the plastic tab from the back of the WiFi Extender. Connect the WiFi Extender to a power outlet using an AC adapter or an Ethernet cable. Open your mobile device's Wi-Fi settings. Enter network security key (SSID) and password and also read about wavlink router setup.