Amazon.com: USB 56K Voice Fax Data External V.90 V.92 Modem With Dual Ports, Compatible With Windows 98SE/2000/ME/XP/Vista/Win 7 and Support Auto-Dial, Tone and Pulse Dialing, Auto Answer, Auto Retrain (Black Color) :
US Robotics Modems
Windows 10/8
Agilent 82357B USB 2.0 High-Speed USB/GPIB Interface with CD Driver
Modem Cards, Interface/Add-On Cards, Computer Components & Parts | Sterlingxs
u.s. robotics usr5637 56k usb controller dial-up external fax modem with voice - Walmart.com
Ascendis Software LLC: Modems
USR :: USR5686G Serial Faxmodem
USRobotics 56K Faxmodem USB V.92 (USR805637), 82,82 €