TP-Link Deco E4 Whole Home Wi-Fi Mesh System | Double PackDeco uses a system of units to achieve seamless whole home Wi Fi coverage eliminate weak signal areas once and for all! With advanced Deco Mesh Technology, units work together to form a unified network with a single network name. Devices automatically switch between Decos as you move through your home for the fastest possible speeds. A Deco E4 two pack delivers Wi Fi to an area of up to 2,800 square feet. And if thats not enough, simply add more Decos