TP-LINK Deco S7 AC1900 Whole Mesh Wi-Fi System Smart 1000 mbps Router Gigabit Ports Work with Amazon Alexa (3-Pack): From the manufacturerWiFi Dead Zone KillerRanch-Style HomeDeco S7 offers a simple way to provide a strong WiFi signal in every corner of your home up to 5,600 square feet (3-pack). Wireless connections and an optional Ethernet backhaul work together to link Deco units, providing even faster network