Nighthawk® X4S Tri-band WiFi Range Extender with Patented FastLane3 Technology boosts your home™s WiFi so you can now high speed Internet everywhere in your home. Unlike other extenders, the Nighthawk X4S keeps the same WiFi name and password you already have so you™ll enjoy seamless WiFi like never before. Go room-to-room while streaming video or on a video call without interruption or needing to restart. FastLane3 technology delivers up to 100% performance boost compared to typical extenders by creating a dedicated wireless link to your WiFi. Nighthawk Mesh technology powers the Nighthawk X4S to boost your existing WiFi with high-performance, seamless WiFi at the push of a button.