Amplified indoor antenna for superb reception of DVB-T television & DAB radio Adjustable amplifier to boost signal gain up to 46 d B Amplifies terrestrial High Definition television signals Metal Reflection Shield: reflection on metal ground plate guarantees ultimate signal reception Signal Clear Technology: Only boost your picture quality & not the interference (NF < 1 d B) Dual metal tubes for optimal signal reception Fully adjustable active loop ensures best possible reception Minimal interference through the active triple noise reduction filters Can be direct powered via set-top-box or via mains adaptor