Designed and manufactured specifically for personal computer manufacturers.Supplied in 50-unit bulk packs, drivers available for download from theU.S. Robotics OEM partners web site.Complies with the ITU V.92 and V.90 standards.Conforms to FCC Part 15 and Part 68 CSA, and UL 1950.Full duplex speakerphone Port PCI Warranty (Device) 1 year Operating Modes Full Duplex Transmission Protocol V.92 OS Compatibility Windows XP/2000 Fax Max Speed 14.4 Kbps Type Internal Max Speed 56 Kbps Availability: Usually ships the same business day USR263091 Copyright © 2005 All Rights Reserved. A1 Computerdepot Inc. http://www.a1computerdepot.com