Used for about 3 years. I am selling it because my internet environment has changed. There are no issues with the operation. About this product Wi-Fi Speed AC1200 5GHz: 867Mbps (802.11ac) 2.4GHz: 300Mbps (802.11n) Wi-Fi Range 3LDK (Apartment size) Fixed antenna x 3 Multiple antennas amplify the signal to cover more directions and a wider area Beamforming Concentrates wireless signals to clients, expanding the Wi-Fi range Wi-Fi Performance Standard (Medium) Dual Band Assigns devices to different bands for optimal performance Operating Modes Router Mode Bridge Mode Network Security SPI Firewall Access Control IP & MAC Address Binding Application Layer Gateway Guest Network 5 GHz Guest Network x 1 2.4 GHz Guest Network x 1 VPN Server IPSec OpenVPN PPTP Wi-Fi Encryption WEP WPA WPA2 WPA/WPA2-Enterprise (802.1x)