Detailed Product Description Product Description56K USB Modem, offers UPnP USB interface and supports hot plug, lightningproof ... .34 (33.6Kbps) protocol standards.Featuresl With External USB 56K Modem, adopts ST chips and supports hot plugl ... Operation System: Operation System Supports Windows95, Windows98, Windows ME, Windows NT, Windows XP, Windows 2000, Vistal Operating temperature0 to 40l Storage ...