This vintage Channel Master Spartan 3 Amplifier Pre Amplifier 0068DSB is a rare find for antenna enthusiasts. With a signal gain of 23dB UHF/ 16 dB VHF, it is compatible with UHF/VHF/FM bands and has one input and one output. This amplifier is designed for use with antennas and is a great addition to your TV, video, and audio accessories. This model is perfect for those who want to enhance their antenna signal without compromising on quality. Installation instructions are included. Guaranteed to not be DOA dead on arrival. Rest assured you can return it if not satisfied. We ship the next day unless our rural mail carrier doesn't show up because of weather etc.