The TP-Link ADSL2+ Modem Router (TD-8817) is a 2-in-1 device that combines the functions of a DSL modem & 1-port 10/100 Ethernet router. It also provides a USB (Universal Serial Bus) interface through which you can connect to the router. It supports ADSL2/2+ standards to provide higher performance (up to 24 Mbps downstream) & longer reach from your Internet Service Provider? (ISP) Digital Subscriber Line Access Multiplexer (DSLAM). You can also create a wired network to share your high-speed Internet connection, documents, photos, music, videos, & printers.