TP-Link Deco E4 (1-pack) / AC1200 Deco E4(1-pack), TP-LINK, AC1200 Whole Home Mesh Wi-Fi Unit Deco 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 (EU version). And if that’s not enough, simply add more Decos to the network anytime to increase coverage. Deco E4 provides fast and stable connections with speeds of up to 1167 Mbps and works with major internet service provider (ISP) and modem. Deco can handle traffic from even the busiest of networks, providing lag-free connections for up to 100 devices.