Optimized for HDTV reception Helical coil antenna technology & patented dual-mode, ultra-low noise amplifier Provides clear, powerful reception of HDTV & UHF/VHF signals Slim-profile design allows easy, flexible mounting inside or outside the home Ultra-durable weatherproof housing Multiple mounting options with all mounting hardware included Amplifier gain: 10 dB Output imp: 75§Ù Operational bandwidth: 54 MHz–806 MHz