Mywifiext.net is the default web address for the Netgear extender configuration. This is all you need to install a Netgear extender. The Netgear extender's configuration uses a Web address. You can use Netgear Extender to extend the coverage area of your network. Installing Netgear extenders is a great way to double your productivity. The range of your wireless network. But if you have problems with netgear_ext, you can call for free and get professional technical support.