From the Manufacturer
The 200Mbps Compact Powerline AV Adapter Kit, model TPL-306E2K, uses any electrical outlet to create a secure high speed building-wide network. Connect one adapter to your existing network and plug the other adapter in to any outlet on your electrical system for instant high speed network access throughout your home. The compact form factor offers more space around electrical outlets for other devices. Adapters connect automatically with no installation required. For added security, TRENDnet recommends using the one-touch connect button to change the default network key. Use up to 6 adapters to network devices in different rooms without the need for new cabling. Power Save mode reduces power consumption by up to 80%. LED displays convey device status for easy power management and troubleshooting. Quality of Service technology prioritizes video, audio, and online gaming. Advanced AES encryption secures your network. This adapter is ideal for use in buildings that interfere with wireless networking signals.
TRENDnet TPL-306E Powerline Network Adapter TPL-306E2K Powerline Network Adapters