US Robotics 56K Performance Pro Modem Card P/N: USR5610B

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

US Robotics USR5610B ISA 56K Fax Modem Card Vintage Internal

U.S. Robotics 56K Performance Pro Modem Mod-5610B V.92 USR5610B - Open Box

USRobotics USR5610B 56 Kbps

US Robotics 1125 Internal Modem Board Card CJEUSA 23364 MM E 1996

Lot of 9 PC Cards LAN Modem - 3Com, US Robotics, Dell

USRobotics USR5699B 56K Modem PCI