Use the SeekBest TV/FM Signal Amplifier to improve your poor TV/FM reception significantly and instantaneously. At the same time you can split your single TV signal into multiple sets. Adopting imported high frequency amplifications (20dB) components and low noise circuit design. Aluminum material housing Fast heat dissipation Mains Power for continue use High quality Pictures browser: to slide pictures in JPG, GIF and TIFF formats.    Products Specifications Main specification Bandwidth (MHz) Total gain (dB) Gain adjustment (dB) Flatness in band (dB) 　 Slope (dB) Noise factor (dB) Power consumption (W) Output number 　 Dimension (mm) 　 　 SB-8620D4 45-860 20±2 　 ±0.5 3 ≤5 1 2 83×55×32 　 Aluminum materials makes efficient heat dissipations. Very solid built but compact body!