The D-Link® PowerLine AV500 Network Kit (DHP-309AV) extends your home network by transforming your existing electrical system into a powerful network. This means you can watch videos, surf the Web or catch up on email in spots where you can’t get a good wireless signal. Plus, PowerLine AV500 gives you up to 20% better coverage than conventional PowerLine AV 200 adapters. This means fast speeds throughout your home. Setup couldn’t be easier – just plug and connect. And if you want to build your network further, just plug and connect additional adapters.