The TP-Link DECO-M4-3PK Whole Home Mesh Wi-Fi System Wi-Fi Dead-Zone Killer. It eliminates weak signal areas with a single Wi-Fi network that covers every corner of your home with seamless roaming, adaptive routing and self-healing. No more searching around for a stable connection, whether you're in the basement, garage or yard.

• A Deco M4 three-pack delivers Wi-Fi to an area of up to 5,500 square feet (US version). And if that’s not enough, simply add more Decos to the network anytime to increase coverage.
• 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.
• Deco M4 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.
• Parental Controls limits online time and block inappropriate websites according to unique profiles created for each family member.
• Setup is easier than ever with the Deco app there to walk you through every step.