. The Ubiquiti Uni Fi Security Gateway (USG) extends the Uni Fi Enterprise System to provide cost-effective the USG is designed to take the place at the edge of your network & provide reliable routing & advanced security for your network. Cable of providing routing at 1 million packets per second whilst integrating with the Unifi Controller (v 4) to give a seamless & easy to use interface A CLI is available for advance users. The USG supports 3 gigabit Interfaces for LAN/WAN & Voip connections (Voip Port is non operation until a firmware update is released. Integration with Uni Fi Controller V4 Bundled at no extra charge the Uni Fi Controller software conducts device discovery provisioning & management of the Uni Fi Security Gateway & other Uni Fi devices through a single centralized interface. The Unifi Controller must be installed separately on a different Machine to manage the Uni Fi Security Gateway. We can also offer the Unifi controller in a neat hardware solution providing always on access with the need to load it onto your computing device you can find our Hardware Controller here..