The NETGEAR AC1900 WiFi Mesh Extender - EX6400100NAS - Essentials Edition is a wireless extender designed for NETGEAR routers. It provides connectivity in both 2.4 GHz and 5 GHz frequency bands, with a single Ethernet port for wired connections. This extender is lightweight at 0.66lbs and is equipped with 4G cellular network technology for seamless internet access. Made in China, it is a reliable option for boosting wireless signals in your home or office network setup.