IPPBX, Firewall, Router, Switch and WiFiThis state of the art device combines the functionality of 4 products to provide an all in one solution that includes a VPN router, next generation firewall, IPPBX, and Wi Fi access point. 12 users and 4 concurrent calls by default. 3Gpbs Router. 5x Gigabit Ethernet ports *All ports are WAN LAN configurable, max 3x WAN. Wi Fi Standards IEEE 802. 11 a b g n ac ax