Actiontec GT704 DSL Gateway (4-port) DSL Internet service; Windows 98, 98SE, Me, 2000, XP and Vista; Windows PC with available USB or Ethernet port; TCP/IP network protocol installed; Internet Explorer 6.0+ (recommended); Other browsers such as Safari or Firefox, need to have Java Script enabled Mac OS 9+, OS 10+, Linux/BSD, Unix with an available Ethernet port; TCP/IP network protocol installed; Internet Explorer 6.0+ (recommended); Other browsers such as Safari or Firefox, need to have Java Script enabledPower Adapter Output Requirements; 12VDC, 600mA Operating System - Windows 98/98SE/ME/2000/XP or Mac OS 9 or higher, Linux/Unix (Mac & Linux/Unix not supported via USB port) May upgrade to ADSL2, the new DSL standard that enhances modem performance by tripling the available bandwidth from 8 Mbps to 24 Mbps Step-by-step visual setup guide provides simple, straightforward instructions for procedures