Superior digital image and sound This ultra-flat amplified antenna with superior GSM/4G signal filtering and variable gain controller is designed for improved reception of digital, analog, and FM radio broadcasts. The sleek design matches your flat TV and interior space. Three-phase amplification for ease of use Three-phase amplification with 3 levels of gain for easy installation and improved reception range. Unique flat design This antenna fits any interior. Boost your signal with up to 47dB amplification The 47 dB amplification capability increases the performance of weak signals, extends the reception range, and allows the reception of more signals from a greater distance. Noise reduction filter prevents signal loss Noise filter that prevents signal loss. VHF/FM dipoles for extended reception With VHF/FM dipoles, you can receive TV programs broadcast in the VHF spectrum and radio programs broadcast in the FM spectrum. By extending and handling the dipoles, the signals are optimized.