The ER420D-26B is a high-performance multiport access router designed by Teledyne. It is a 4-port Ethernet data router that provides flexibility, performance, and scalability for businesses and organizations. It provides an optimal solution for cost-effective access to the Internet, telephony services, and data networks. The ER420D-26B comes with an extensive range of features such as high-speed 10/100/1000 Mb Ethernet ports, an integrated firewall, an integrated VLAN controller, secure VPN capabilities, and Easy Set-up support. It also supports a variety of operating systems, making it compatible with most IT infrastructures.