Almost unused. There are no particular problems. Thank you. Brand: Buffalo Wireless Communication Standard: 802.11a/b/g/n/ac, 802.11ax Data Transfer Rate: 2401 Mbps Frequency Band Class: Dual Band Features: LED indicator, WiFi mesh Connector Type: RJ45 [Expand Wi-Fi Area] This is a Wi-Fi 6 repeater equipped with an external, movable, high-power antenna. It can expand the Wi-Fi area to rooms where Wi-Fi couldn't reach. [More Comfortably in Remote Rooms] With three 5GHz antennas, it achieves faster and more stable communication even in remote rooms. [Easy Connection] Connection is completed by simply pressing the buttons on the Wi-Fi router and this product. You can use it immediately. *The router must also support WPS.