US Robotics USR5610B ISA 56K Fax Modem Card Vintage Internal

U.S. Robotics USR5610B 56K PCI Fax Modem Card 3Com Internal Dial-Up

USRobotics 5610B Modem Card USR5610B

US Robotics 56K Performance Pro Modem Card P/N: USR5610B

USRobotics USR5610B 56 Kbps

US Robotics 5686G 56K External Fax Modem V.92 New In Opened Box

USRobotics USR 5686G 56K V92 Modem | Open Box, Never Used (No Original Box)

Sealed U.S. Robotics 56K Performance Pro Modem V.92 Mod 5610C NIB Brand New. #h7