TP-LINK TD-8616 V8 is an ADSL2+ modem that provides high-speed Internet access over a standard telephone line. It is compatible with various Internet service providers and offers a maximum downstream data rate of 24Mbps and an upstream data rate of 1Mbps. The modem also features a built-in firewall to protect your network from unauthorized access and includes parental control features to help you manage your children's online activities.