Nighthawk X6 Tri-band Wi-Fi Mesh Extender creates powerful whole home Wi-Fi using your existing Wi-Fi. EX7700 is one of the most advanced tri-band Wi-Fi mesh extenders that includes a dedicated 866 Mbps 5 GHz band for extending Internet speeds to your devices. Fast Lane3 Technology with dedicated Wi-Fi Link avoids cutting the extended Wi-Fi bandwidth in half. Smart Roaming intelligently connects your mobile devices to the optimal Wi-Fi for superior streaming as you move around your house. Use the same Wi-Fi name and password for seamless connectivity as you roam around the house.