Powerful Tri-Band Wi-Fi System distribute 100% Internet speed to the edge of your home Wi-Fi network without signal degradation if one is moved farther away Mesh 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 connection Sleek, 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 competition Powerful 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.