1 WAN 4 LAN Gigabit Gateway CAS4047G is a high-speed broadband router that comes with 4-port gigabit switch. It is specifically designed to provide reliable and secure high-speed internet connection for small to medium businesses. With the 4-Port 10/100/Gigabit Switch, CAS4047G connects your existing 10/100 Ethernet network to a Gigabit server backbone without any additional equipment. Besides providing wire speed corporate network solution, CAS4047G also features NAT that protects net