SHIELDS AGAINST INTERFERENCE - Build in 4G LTE Filter shields against interference and blocks unwanted 3G and 4G wireless signals for stable performance. Enjoy smooth and crystal clear 4K HDTV experience. DELIVERS THE CORRECT RANGE - ANTOP Exclusive Smart pass technology Amplifier allow easier adjust the balance between short and long range reception , and the intelligent switch can avoid signal overload. The item "Upgraded Version AT-415B 720° UFO Dual Omni-Directional Outdoor HDTV Antenna" is in sale since Friday, November 6, 2020.This item is in the category "Consumer Electronics\TV, Video & Home Audio\TV, Video & Audio Accessories\TV & Video Accessories\Satellite Dishes". The seller is "topmarketpoint" and is located in New York, New York. This item can be shipped to United States.