The Modem X080C CDMA Modem Voice Port is a CDMA (Code Division Multiple Access) modem that allows for high-speed internet connectivity and voice communication via a telephone line. It also typically supports features like text messaging and voice calls over the cellular network, making it a versatile device for users in regions with CDMA networks.

To use the X080C CDMA Modem Voice Port with a Windows computer, you'll need to install the appropriate Windows driver for it to function correctly. The driver facilitates communication between the modem and your PC.