Whole House Coverage: The Deco E4 (3-pack) eliminates weak signal areas permanently by using a system of units to provide seamless whole-house WiFi coverage up to 5,500 square feet (511 square meters). TP-Link Mesh Technology: Units cooperate to create a single network with a single network name thanks to sophisticated Deco Mesh Technology. As you navigate your house, devices automatically switch between decos to provide the fastest speeds. Fast Dual-Band WiFi: Compatible with most major internet service providers (ISPs) and modems, the Deco E4 offers dependable, fast connections up to 1167 Mbps. Connect More Devices: Up to 100 devices can connect without lag thanks to Deco's ability to manage traffic from even the most demanding networks. Parental Regulations: Set time limits for using the internet and block unsuitable websites.