RE220 expands your existing Wi-Fi coverage with next generation 11AC Wi-Fi technology. It works with any standard Wi-Fi router and creates stronger dual Band connections in hard-to-reach areas, allowing you to enjoy seamless wireless coverage throughout your home or office. Comparable to NETGEAR AC750 Wi-Fi range extender (EX3700-100NAS)Maximum wireless transmission rates are the physical rates derived from IEEE standard 802. 11 Specifications. Range and coverage specifications along with the number of connected devices were defined according to test results under normal usage conditions. Actual wireless transmission rate, wireless coverage, and number of connected devices are not, and will vary as a result of 1) environmental factors, including building materials, physical objects and obstacles, 2) network conditions, including local interference, volume and density of traffic, product location, network complexity, and network overhead and 3) client limitations, including rated performance, location, connection quality, and client condition.