The AT-414B ANTOP UFO with Omni-Direction, High Gain reception and Smartpass Technology amplifies your range, from 0, 55 and 65 miles from broadcast origination source. Assuring you more channel reception and less blind spots. The number of TV channels and programs that you can receive at no cost depends on the amount of over-the-air broadcasters in your area. With the ANTOP AT-414B, there is no monthly fee and no need to subscribe. Just plug it into the TV, scan for channels and enjoy your free TV shows.