The Powerline Deco P9 adds a third lane for data to travel through, similar to a Tri-band mesh router, to create stronger connections between Deco units and increase the home network's overall performance, eliminating signal interference from thick walls and other objects. Cover up to 6, 000 square feet with seamless, high speed WiFi that eliminates dead zones and buffering. Better than traditional wifi booster. Deco app helps you set up your home network in minutes with clear visual guidance and keeps you in control even when you aren't home.