U.S. Robotics USR5637 56K USB Controller Dial-Up External Fax Modem with Voice
the Usrobotics 56k Usb Modem Delivers The Performance And Reliability Usrobotics Is Known For, In A Compact, Flexible Form Factor. This Controller-based Modem Integrates Powerful Communications Processing Functions Into The Modem Itself, For Assured Performance Without Sapping Your Computers Processing Power.