Super-Fast Speeds: Ultra-fast Wi-Fi for video conferencing, HD & 4K video streaming and online gaming at speeds up to 6,600 Mbps; router features 2 1-Gigabit Ethernet ports; wall-plug satellite fits easily into any room, Blanket Your Home with Great Wi-Fi: The SURFboard mAX Mesh Wi-Fi 6 System fills your house, even outdoors with up to 5,500 sq ft of coverage and is compatible with any internet service; modem required (sold separately), Wi-Fi 6 technology:  8 Wi-Fi 6 streams provides capacity to support multiple users and up to 150 devices; Wi-Fi 6 technology enables up to 400% faster speeds and greater range than Wi-Fi 5 for high-bandwidth applications