The Xpert DVBS 23880 Video Capture is a video capture card, similar to the ADS DVBS 2388x you mentioned earlier, designed to capture analog video and audio signals (such as from a TV tuner, satellite receiver, or camcorder) and transfer them to a computer for editing, recording, or streaming purposes. The "DVBS 23880" is likely the model number of the video capture device.

The Windows driver for the Xpert DVBS 23880 is required to ensure that Windows can communicate with and properly use the video capture card hardware. Without the proper driver, the video capture card may not be recognized by your computer or any video capture software.