The ZyXEL HomePlug AV PLA-401 is an extended access solution that allows your house to be completely networked using your existing electrical power lines. With no need for additional wiring, simply plug the ZyXEL HomePlug AV PLA-401 to an existing electrical outlet, and it will transform your electrical power lines into a house-wide network infrastructure. It's the easiest way to extend the network connection from your broadband router.