Now that digital TV is all around it makes it possible for laptop owner to pick up the TV signal and watch live TV on their laptops, all that is required to enable this is an adapter just like this one.
Simply plug the device into the USB port and connect it to the antenna, the user can then tune into the available channels, the device actually uses the same sort of tuner that you would expect to find in a quality HD television, so the quality of the picture should be very good.
These are the details for the digital TV adapter for laptops:
It plugs into a USB port on a computer and connects to an included antenna with a 4′ 11″ cord. It uses the same ATSC tuner found in full-sized HDTVs and supports up to 1920 x 1080 resolution. Includes software that allows you to schedule and record content as MPEG4 files. Works with Windows 7, Vista, and XP SP2 (not compatible with 64-bit systems). With digital broadcasts, a weak signal will result in no picture. Includes remote. 3 1/2″ L x 1″ D. (3 oz.)
Priced at $79.95
Source [Hammacher Schlemmer]
