Manhattan 155427, 56 Kbit/s, PC Card, 56 kbps, 33 kbps, 9600 bps, 1,8 m, Windows 3.1x/95/98/Me/2000/XP & DOS Linux Manhattan 155427. Modem speed: 56 Kbit/s, Interface: PC Card. Supported data transfer rates: 56 kbps, 33 kbps, Maximum fax transfer rate: 9600 bps. Cable length: 1,8 m. Compatible operating systems: Windows 3.1x/95/98/Me/2000/XP & DOS Linux. Cables included: Phone (RJ-11)