The Ubiquiti Networks UniFi Security Gateway (USG) is a high-performance gateway router designed for enterprise networking. With a maximum firewall throughput of 1000Mbps and a maximum VPN throughput of 100Mbps, this device can handle a large number of simultaneous VPN tunnels and sessions. It features a compact standalone form factor with one WAN port and three LAN ports, making it easy to set up and connect multiple devices. The USG is a reliable choice for businesses looking to secure their network with a robust firewall and VPN solution from Ubiquiti Networks.