If your TV antenna only receives a pixelated image, a TV antenna booster can improve things. You'll find high-quality antenna boosters at Lowe's.
Jolt Switch HDTV Antenna Amplifier
Antop SBS-602B HD Smart Boost Antenna Amplifier
Home Amplifiers
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Channel Master - TV Antenna PreAmp 1 - Down Right Technology
ClearStream JUICE UHF VHF TV Antenna Preamplifier System, Coaxial Cables, Weatherproof Housing, Silver
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TV Antenna Preamp - how it can help your Television Antenna Signal
7 Best TV Antenna Preamplifier in 2023 Reviews & Buying Guide - ElectronicsHub