The Conexant D850 56K V92 DFVc Modem is a dial-up modem designed for computers to connect to the internet using a telephone line. It supports the V.92 standard, which is an improvement over the earlier V.90 standard, allowing faster connection speeds (up to 56 kbps) and additional features like "modem-on-hold" for call waiting and better call quality.

The Windows driver for this modem allows your Windows computer to recognize and communicate with the modem, enabling it to dial into the internet via a phone line.