DESC: The 3Com U.S. Robotics 56K modem offers easy, reliable high-speed connections virtually everywhere.??Enjoy high-speed downloads for higher productivity and lower phone costs as well as universal compatibility with V.90, x2 technology and V.34 already in the card. This product is designed to give you better performance in the Windows 95/98/NT 4.0 operating systems. You get an optimized access connection for faxing, e-mailing and accessing the Internet.