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

3com US Robotics 56k Faxmodem Card Model 5687 Brand New Sealed

3COM US Robotics 56k Modem PCI card Model 005687-03

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

USRobotics 005687-03 (00568703) 56 Kbps

USRobotics 56K-PCI Modem

3Com US Robotics 56K PCI Voice Fax Modem Card Vintage Untested

US Robotics 005687-03 V.90 ISA PC Interface Modem Card 1 year warranty