UTT ER518 Load Balance VPN Router, Dual+ WAN Ports, Supports IPsec/PPTP/L2TP, Metal Housing Dual WAN: Dual+ WAN ports. Optimize uplink throughput by load-balance/failover multiple ISP connections. WAN/LAN port configurable/inter-changeable VPN Supported: Up to 5 VPN tunnels simultaneously; IPsec/PPTP/L2TP Enterprise-Level Performance: Performance aligned with UTT enterprise-level wireless product line; highly robust and stable Built-in firewall supports IP address filtering, Domain Name filtering, and MAC address filtering User-friendly and Intuitive Web GUI