Using your electrical system, this device provides fast and easy connectivity to the internet, printers, and other shared devices on your home network. It's an especially good choice when wireless just doesn't provide the coverage you may require, like those out of the way places, such as your basement. Plug one in close to your router, the other where you need connectivity and away you go. Fast and easy, with very respectable speeds to your device. When running Cat5 to your devices just isn't in the budget, when you need to connect a device in a wireless dead spot, this is an excellent choice.