Vintage 3Com U.S. Robotics 56K Faxmodem Internal ISA - Model 5687 - SEALED / NIB

US Robotics 0584 (005687-03) 56K V.90 Internal 16-bit ISA Modem (Please Read)

USRobotics 005687-03 (00568703) 56 Kbps

3com US Robotics 56k modem card Model 5687 Brand New

USRobotics 56K-PCI Modem

3Com US Robotics 3CP5699A 56K PCI Fax Modem Card RJ11 Line Phone

3Com U.S. Robotics 56K Modem PC Card 3056 3Com USR XJ Vintage Computing

3Com US Robotics 56K Modem PC Card - Model 3056