TP Link 300 Mbps Whole Home Mesh Wi-Fi System One Unified Network – With advanced Mesh Technology, Halo S3 units work together to form one unified whole-home network with one Wi-Fi name and one password. Seamless Roaming – Automatically switch between Halos as you move around your home, always getting the best signal to enjoy the fastest connections for all your devices. Ultra-High Performance Wi-Fi – Blanket up to 2,200 square feet (200 m²) with high-speed Wi-Fi, ideal for 2–4 bedroom houses. Connects over 40 devices – Enjoy lag-free connection and non-stop entertainment on all your devices, at the same time.