The FD-USB728 - USB 2.0 ATSC/NTSC/PAL Driver is a device driver designed to support USB TV tuners or video capture devices that are capable of receiving ATSC, NTSC, and PAL signals. These are television broadcast formats used in different regions:

• ATSC (Advanced Television Systems Committee) is used primarily in North America and some parts of South America for digital TV broadcasting.
• NTSC (National Television System Committee) is an analog broadcast standard used in the United States and other countries.
• PAL (Phase Alternating Line) is a video standard used in parts of Europe, Asia, Africa, and Australia.

The FD-USB728 refers to a USB TV tuner device or a similar product that allows a computer to receive and decode TV signals from a coaxial antenna or cable, enabling you to watch TV on your computer.

The USB 2.0 in the name indicates that the device uses a USB 2.0 connection to interface with the computer, which is a common standard for connecting external peripherals.