Features: 1) 10/100Base T modular router 2) With 2 WAN slots 3) With 32/64MB 4) Multi-WAN enter styles, including high-speed enterprise-grage digital user lines (DSL) 5) high-capability router and Broad Band management 6) Router between dummy LAN (VLAN) (only item 1721 can provide) 7) With VPN entry of firewall option Remarks: Other routers are available. If you need other models, please feel free to contact us!