The deco m4 uses tp-link mesh technology to cover your entire home in powerful wi-fi. Multiple units seamlessly work together to create a home network like nothing you’ve ever experienced. Deco m4 is the simplest way to guarantee a strong wi-fi signal in every corner of your home up to 2,800 square feet (2-pack, eu version). Wireless connections and optional ethernet backhaul work together to link deco units, providing even faster network speeds and truly seamless coverage.