The TP Link ER 605 V2 is a multi-WAN wired single-band 1000 Mbps VPN router with up to 4 gigabit WAN ports. It provides load balancing across internet connections, integrated Omada SDN for centralized management, and security features like SPI firewall and VPN. It has 1 fixed and 2 configurable gigabit WAN/LAN ports, 2 additional LAN ports, and a USB port to connect a 4G/3G modem as a wireless backup WAN. Key performance capabilities include high throughput rates for various connection types, strong VPN support, and robust security functions.