Huawei AR G3 AR2200 series router AR2220E is the next-generation enterprise-class routers based on the Huawei proprietary Versatile Routing Platform (VRP) and designs for midsize enterprise or branch office. It includes 3 Gigabit Ethernet WAN (RJ-45 or SFP) port, 2 USB, 4 SIC, 2 WSIC, 1 DSP Slot.