【360°OMNI-DIRECTIONAL RECEPTION】 Receive signal from all directions, no need to rotate, no need the remote control as traditional antennas. No signal blind zone. Perfect for outdoor, attic, RV and marine used. 【DELIVER THE CORRECT RANGE】ANTOP exclusive SMARTPASS technology amplifier allow easier adjust the balance between short and long range reception, and the intelligent switch can avoid signal overload. 【SHIELDS AGAINST INTERFERENCE】Build in 4G LTE Filter blocks 3G and 4G wireless signals for noise-free digital reception & clear smooth pictures. Enjoy 4K(>1080P) crystal clear HD reception. 【DURABLE EXTERIOR&WEATHER RESISTANT】 UV coated, weather resistant exterior design combined with anti-interference internal tech, protects signal reception to provide clear pictures and full channel capacity even during inclement weather. [NO RISK TO TRY]ANTOP On-Line Customer Support Team available Mon-Fri 9am to 5pm (past) offering ANTOP Antenna selection guide and installation assistance service. All ANTOP Antenna products come with 30-day money back . TV ANTENNA