TRENDnet Powerline 1200 AV2 Single Adapter with Built-in Outlet, Gigabit Port, Plug and Play, MIMO, Beamforming,TPL-421E Extreme Power line 1200 networking over existing electrical lines Enhanced performance and range from MIMO with Beam forming technology Gigabit port maintains high performance wired networking Simply plug in the adaptersTRENDnet adapters auto-connect out of the box Pre-encrypted for your convenience Connects over electrical lines for homes up to 465 sq. m (5,000 sq. ft.) Two adapters are needed to start a network