This Compaq PCtel 56k PCI Modem Card is a reliable addition to your computing needs. It features 2 ports and a maximum data rate of 56 KBps, making it a great choice for fast and efficient internet connection. This modem card is compatible with PCI and is modelled after the HSP56 Micro-Modem. It is a great fit for HP brand devices and is perfect for those who require a high-speed internet connection. It is an excellent choice for those looking for an interface/add-on card for their computer components. This modem card is a must-have for anyone looking to upgrade their computing system.