The AP-8275 is a mast mounted pre-amp that delivers high VHF (29dB) and UHF (28dB) gain with low noise. 75 ohm input and output. Features a selectable FM Trap. This amplifer helps to make up for line loss and insertion lossFeatures 75 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 co...