The ANTOP UFO AT-416B, an omnidirectional TV antenna, designed as house TV antenna and RV TV antenna with High Gain reception and Smartpass Technology amplifies a flexible long range, from 0, 30 and 40 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 for FREE depends on the amount of over-the-air broadcasters in your area. With the ANTOP AT-416B, there is no monthly fee and no need to subscribe. Just plug to TV, scan channel, then enjoy the TV shows.