Grandstream Multi-WAN Gigabit VPN routers with built-in firewalls that allow businesses to build comprehensive wired, wireless and VPN networks for one or many locations. They offer high-performance routing and switching power along with built-in VPN support for secure in-office and inter-office connectivity, Firewall, 4 x GigE LAN/WAN (2 x PoE Out), 2 x SFP