The TD-8820 Enhanced ADSL2/2+ CPE uses ADSL2+ technology, supports multiple network protocols, has static routing capabilities, and supports multiple PVC settings. It is suitable for personal users, homes, offices, and small businesses, providing various management functions including DHCP, DMZ host, virtual server, and firewall. It can also build an internal LAN, allowing multiple computers to share a broadband line and ISP account, and provides automatic connection and disconnection of network connections, as well as firewall functionality to control Internet access for internal network users.