Amazon.com: US Robotics USR courier 56k v90 v92 external business fax/modem rs-232 rohs USR3453C : Electronics
USR :: USR5637 USB Voice Faxmodem
Amazon.com: usrobotics usr5686g 56 K Serial driver faxmodem : Electrónica
US Robotics Modem 56k "Sportster Flash" - from circa 1995 : r/vintagecomputing
US Robotics 56K USB Softmodem - Módem (56 Kbit/s, USB, T.31, FCC IC UL/CUL CE RoHS, Windows Server 2011/ Win 7/ Server 2008/ Vista/Server 2003/POSReady/XP - 32/64 bit, 0-50 °C) : Amazon.es: Informática
Dell 3com US ROBOTICS V.90 56K Modem Driver & Online Manual CD-ROM New Complete! | eBay
Módem externo 56K | Compra online en eBay
3com U.S. Robotics 56K Modem Driver CD : 3Com Corporation : Free Download, Borrow, and Streaming : Internet Archive
U.S. Robotics USR5686G V.92 Serial Controller Faxmodem - Newegg.com
Amazon.com: U.S. Robotics USR5637 - Módem de fax externo de 56 K con mando USB con voz : Electrónica