U.S. Robotics 56K Faxmodem USB (Model 5633) - YouTube
US Robotics 56K USB Softmodem - Módem (56 Kbit/s, USB, T.31, FCC IC UL/CUL CE RoHS, Windows Server 2011/ Win 7/ Server 2008/ Vista/Server 2003/POSReady/XP - 32/64 bit, 0-50 °C) : Amazon.es: Informática