The NETGEAR AC1900 WiFi Range Extender - Essentials Edition (EX6400) is a wireless device designed to boost the WiFi signal strength in your home or office. With a 4G cellular network technology and compatibility with various wireless standards such as 802.11a, 802.11b, 802.11n, and 802.11ac, this extender provides reliable and fast connectivity on both 2.4 GHz and 5 GHz frequency bands. The NETGEAR brand ensures quality and performance, making it an essential addition to your home networking setup.