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

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US Robotics 56K Internal Fax/Modem V.90 PCI Model 0778 3Com 3CP5610 UNTESTED

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US Robotics 0637 56K PCI Modem 3Com, DP/N 0002513E REV.A00

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

3com US Robotics 56k modem card Model 5687 Open Box item

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