USRobotics USR5699B 56K Modem PCI

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)

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

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

US Robotics USR5638 Fax Modem 56 Kbps V.92 PCI-Express LOW PROFILE BRACKET

US Robotics 3Com 3CP5610 56K 0726 PCI Voice Fax Modem Card

US Robotics USR5638 Fax Modem 56 Kbps V.92 PCI-Express