US Robotics Modem Card 56k pci Model 5600

US ROBOTICS 3COM 0584 56K ISA INTERNAL MODEM WITH WARRANTY

3 Com / US Robotics 0584 56k Internal ISA Card Modem - Tested, Working

US Robotics 0584 56K PCI Voice Fax Modem Card Internal USR Vintage

U.S. Robotics 0584 56k Modem ISA Card @MB318

Vintage US Robotics USR Sportster 56k Modem Fax Network ISA Card @MB66

US Robotics 0584 3Com Sportster 56K ISA Internal Modem

US Robotics 56K ISA Internal Modem Card - Model 0613 8725600