Deco M5 AC1300 Whole Home Mesh Wi-Fi System 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 one unified whole-home network with the same network name. Devices automatically switch between Decos as you move through your home for the fastest possible speeds.‡ A Deco M5 three-pack delivers Wi-Fi to an area of up to 5500 square feet, while a Deco M5 two-pack delivers up to 3800 square feet. And if that’s not enough, simply add more Decos to the network anytime to increase coverage.†