Product Detail High-power, low-noise, low-distortion RF distribution amplifier Suitable for off-air and unidirectional cable TV, VHF, and UHF applications Also appropriate for FM, Midband, Superband, Hyperband, and Ultraband uses Flat response from 50 MHz to 1 GHz; nominal gain of 18 dB Measures 6.3 x 1.25 x 4.5 inches (W x H x D); indoor use only; 1-year warranty . The "Channel Plus DA-500A 18 dB RF Amplifier" is best product for you. We recommended Channel Plus DA-500A 18 dB RF Amplifier