U.S. Robotics USR5670 Fax modem 56Kbps PCI Bus (Plug & Play) V.92 56K ITU standard V.90 56K ITU standard V.34 33.6K ITU standard Compatible with most ITU and Bell standards down to
Controller Card Modem 56K On Port PCI Data Fax Voice Modem Conexant CX11252-11 | eBay