Purchased in 2024 and used for about a year. No longer needed as I switched to a different router when I changed my fiber optic internet service. It was in use until recently, so its operation has been confirmed. Wi-Fi 6 compatible, maximum speed 1201+573 Mbps This is a wireless LAN router that supports EasyMesh. - Brand: BUFFALO - Model Name: WSR-1800AX4S - Wi-Fi Standard: Wi-Fi 6 - Maximum Speed: 1201+573 Mbps - Frequency Band: 5GHz / 2.4GHz - Connection Ports: LAN ports 4 - Supported OS: Windows / Mac / iOS / Android - Features: EasyMesh compatible - Smart Migration + Wireless Migration function support Antenna Type...Built-in Functions...IPv6 support, Beamforming