Features 75 or 300 ohm input for convenience and easier installation. Universal housing can be used with any off-air TV antenna. Made of high impact ABS material, mast mounted for easy installation. Flexible polyethylene boot covers on 75 ohm; hinged cover on 300 ohm models keep connections clean, dry, weather-protected. Zinc-plated steel hardware.General Information--Product Model--AP-8700::General Information--Product Name--AP-8700 Signal Amplifier::Miscellaneous--Country of Origin--United States::Warranty--Standard Warranty--90 Day::Technical Information--Frequency Range--88 MHz to 108 MHz::Technical Information--Impedance--75 Ohm::Technical Information--Signal Loss--3 dB::Technical Information--Gain--17 dB - VHF, 19 dB - UHF::