Netgear extender is small but a booster to the internet and WiFi signal of your router. This device presents its own network name when its time to connect with the extended network.But if you are struggling to find the extender and Netgear_ext not showing on iPhone’s WiFi settings, you can use this solution guide. https://mywi-fiext.net/cant-find-netgear_ext-on-my-iphone-to-connect-wifi/