Powerful Tri-Band Wi-Fi System distributes 100% Internet speed to the edge of your home's Wi-Fi network without signal degradation if one is moved farther awayMesh Wi-Fi solution built to connect with each other in a single network configuration. If a Node loses connection, the remaining units will automatically re-establish internet connectionSleek, ultra-compact modular system with antenna at top for better coverage and designed to keep excess wires out of sight. Has an 88% smaller footprint than the competitionPowerful Wi-Fi range up to 4,000 square feet. Required for set-up: (1) Internet connection with Modem. (2) Mobile device with Android 4.4 or iOS 8 and higher, Bluetooth preferred.Linksys App guides quick setup process. Set parental controls, guest networks, auto-fix a node using your mobile device plus much more. Bluetooth 4.0/LE for secure and easy app based set-up