Supersize your wi fi heres a great way to extend the reach of your home wi fi just add a bt mini hub its a powerful wi fi signal extender that works beautifully with the bt smart hub want wi fi in more places now you can extend the reach of your home wi fi the bt mini hub sends your home hubs wi fi signal through your electricity lines then broadcasts again to cover those hard to reach places you can use as many bt mini hubs as you like and build your home wi fi s