I purchased this Lna-200 because I had great success with their 8275 that is no longer available. It basically didn't inprove any of my channels I actually lost channels compared to the old high gain preamps they sold. For me I use a high gain preamp to get channels over 70 miles away with the high gain amp I get the channels without the high gain 8275 I just don't get the channels. With a 25 foot cable hook to my antenna straight no amp I am down nine channels if I hook up the high gain Winegard I get nine more channels.when I hoped up the boost 200 it was basically just like running a straight cable to my antenna without amp. I contacted Winegard I sent the amp back two days after I purchased it and ask Winegard why they are pushing this one single preamp that doesn't work
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