Buy from Amazon : br br Antra AT-PAA28 Low Noise Pre-Amplifier HDTV Pre-amp Signal Booster for UHF VHF Antenna 28dB br br DO NOT BUY if the cable is 30 or lessSINGLE TV UPGRADE ANTENNA or PUT IT HIGHER br Use with HDTV Free Over the Air UHF VHF Outdoor Antenna covering UHF bands channels 2-69 with FM Trap br Amplifies weak signals right below the antenna getting higer SignalNoise Ratio br A must for weak channels if running a long cable or splitting signals into multiple TVs br Better and stabler reception in poor weather conditions