Channel Plus DA-500A 18 dB RF Amplifier 50 MHz to 1 GHz bandwidth 18 dB nominal gain - 1.5 dB gain flatness Maximum output level 40 dBmv Compatible with HDTV Television signals 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