VLAN for Added Security -Each of the Ethernet ports can be assigned to one or more VLAN IDs that provides additional security for your business. Up to 3 WAN Ethernet Ports - 1 gigabit WAN port and 2 gigabit WAN/LAN ports with load balancing optimize multi-line broadband usage. Backup WAN for Stable Connectivity -The USB port can be used as a backup WAN by connecting it to a mobile phone with hotspot to maintain a reliable internet connection. Commercial-Grade Network Security and VPN - Secure public WiFi connections with Safe Browsing and VPN features. Enjoy a free-subscription ASUS AiProtection Pro, including robust intrusion prevention system (IPS) features like deep packet inspection (DPI) and virtual patching to block malicious traffic.