Home amplifier, forward path, 4-output, 47/57/87-862MHz, Chinese amplifier module, gain 8dB,Return band 5-30 or 5-42 or ... Home amplifier, forward path, 4-output, 47/57/87-862MHz, Chinese amplifier module, gain 8dB,Return band 5-30 or 5-42 ... forward and reverse2Noise figure less than 5dB3Return band 5-30 or 5-42 or 5-65MHz41,2,4&8 port models5Weather resistant housing