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

3COM 3CP263595A USR Avenger Fax Modem. 56K PCI Modem

US Robotics USR 56K PN 3CP2976-OEM 56 Kbps PCI Analog Speaker Telephone Modem

USRobotics USR5699B 56K Modem PCI

USRobotics 3Com 3CP5699A Computer Internal Modem Card PCI 56K New Genuine

3Com USRobotics AD1807JS 56k DataFax PC99 PCI Modem 3CP325699A

3Com 56k PCI Modem 3CP5699A

US Robotics USR5699B 56K V.92 Internal PCI Fax Modem Used Not Tested