DESC: Get fast, hassle-free Internet connections with the IBM PCMCIA Modem Cellular Card with X JACK connector and 56K technology for significantly faster downloads than 28 Kbps modems over regular phone lines.??It features smart battery saver; a digital line guard to protect the modem from connecting to high-voltage/PBX phone lines; Flash ROM firmware upgrade ability; Hayes AT compatible command set; Data/voice/fax communications software; voice telephone answering features, CallerID, and V.80 video conferencing support; analog cellular capability. It is compatible with the following cellular phones: Nokia Cellular Phones - 232, 2120, 2160; AT&T - 3850, 6650; Technophone - PC515, TD815; RadioShack - 17-1062; Motorola Cellular Phones - MicroTAC, MicroTAC Lite, MicroTAC II, MicroTAC Digital, MicroTAC Elite, DPC-550, DPC-950, Contour, Piper, UltraLite, PT-500, PT-550, PT-650, TeleTAC 200, TX400 and 2900 Attache and carry, StarTAC 6000, 6500, 8000, 850.