This Orbi Whole Home WiFi System (RBK44) covers up to 8,000 square feet with high-performance AC2200 tri-band WiFi. Patented FastLane3 Technology helps maximize the internet speeds available in your home. This Orbi WiFi System comes with an Orbi WiFi Router and three Satellites and replaces your home router and extenders. Orbi works with existing Service Provider equipment. Easily extend WiFi range to the basement or the pool house and enjoy better WiFi everywhere.