Out of the box this worked immediately for myself, a very simple and easy system to use. I also plan to buy a TP-Link OneMesh router to complement the kit and create a single large wifi bubble. But...if your wanting the best performance then don't just plug and leave it in the first plugs that allow it to link. Download the tpPLC software for Windows or Mac(there is an app but not sure if these devices are supported yet) and check the link speeds. You may find moving the wifi end from one power point to another increases the link speeds. Note that the software only works when the other end is plugged into your modem. In my house the lin...view more