Enterprise Security Gateways
This category includes professional enterprise security gateways such as VPN concentrators and firewalls with VLAN, QoS, and VPN support. It features devices from TDT (e.g., G4051, G4050, VK4000 with up to 1000 VPN tunnels) and Ubiquiti (e.g., UniFi Security Gateway PRO with 4 ports and 2x SFP). Designed for 19-inch racks, these products target IT administrators in mid-sized to large network infrastructures.