The US Robotics V92 PCI Faxmodem is a hardware device used for dialing into the internet through a phone line, or for sending and receiving faxes via a phone line. It's a PCI-based modem that was commonly used in the late 1990s and early 2000s, particularly in desktop PCs. The "V92" refers to the V.92 standard, which was an improvement over previous standards like V.90, offering faster download speeds and better capabilities for dial-up internet.

To use the US Robotics V92 PCI Faxmodem on a Windows computer, you'll need to install the correct driver so the operating system can communicate with the hardware and enable its functionality.