TP-LINK Deco S7 AC1900 Smart 1000 Mbps Router with Gigabit Ports for Whole Mesh Wi-Fi Systems Utilize the 3-Pack Amazon Alexa: From the producer Dead Zone for WiFi The KillerRanch Style House With the Deco S7, you can easily give every area of your 5,600-square-foot house a strong WiFi signal (3-pack). Deco units are connected by wireless connections and an optional Ethernet backhaul, which results in an even faster network.