TERK Digital Outdoor HDTV Antenna Enjoy top rated HDTV network programming and your favorite shows for Free. No monthly fee, no subscription, no contract. Patented 360 multi-directional design eliminates need for constant adjustments Supports up to 1080i HDTV broadcasts for high-quality picture and sound New SmartBoost amplifier design outperforms all other brands and boosts weak signals Adapts to almost any outdoor or attic setting with ultra-compact design