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

Vintage 1995 US Robotics Sportster Model 0460 8 Bit 56K ISA Internal Modem Card

U.S. Robotics USR5610B 56K PCI Fax Modem Card 3Com Internal Dial-Up

US ROBOTICS 3COM 0613 56K ISA INTERNAL MODEM

3Com USR 56k DF PC99 PCI Modem Card P/N: 3CP263595-OEM Tested Working

US Robotics USR5610B ISA 56K Fax Modem Card Vintage Internal

US Robotics Sportster Model 0460 Modem

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