Before discussing the Linksys RE3000W settings, we will first discuss the N300 extender. By using the N300 to increase the wireless signals of your present modem or router, you can create a strong, dependable Wi-Fi signal in your home for laptops and smartphones. The RE3000W extends the signal from the existing network to eliminate dead zones, boosting WIFI transmissions up to 5,000 square feet. The RE3000W is fully compatible with all modems and routers.