This Agere Systems Fax Card is a reliable modem that can be used for sending and receiving faxes. It has a speed of 56Kbps and is compatible with HP printers. The card is designed to be easy to use and install, making it a great option for those who want to send and receive faxes without any hassle. The model number for this card is 5188-1026, and it is made by HP, a trusted brand in the technology industry.