Conceptronic Notebook 56kbps Fax/Modem, 56 Kbit/s, PC Card Type I/II, Plug-in, CD-ROM, Windows 98SE/Me/2000/XP Conceptronic Notebook 56kbps Fax/Modem. Modem speed: 56 Kbit/s, Interface: PC Card Type I/II, Form factor: Plug-in. Minimum system requirements: CD-ROM, Compatible operating systems: Windows 98SE/Me/2000/XP