The MPL GUARD-FS combines firewall, VPN-gateway, router, Ethernet switch and a selection of cooper and/or fiber ports, within a single compact housing. Due to a wide range of features and long-term availability this rugged and flexible unit is well suited for use in various demanding environments and confined spaces. It features a wide input voltage range from 8 to 36 V DC, low power consumption due to fanless operation, wide operating temperature range from -20 to 60 °C (optional -40 to 85°C) and integrated 4-port switch. The customizable housing features IP67 protection, MIL and wall, flange or rack mounts, with all connectors located at one side. The integrated firewall (adapted OpenWRT version) and router feature 2x Gigabit Ethernet ports (copper or SFP), while the switch is available as a managed or un-managed version.