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: Delivers a powerful 70 dB gain and supports all major U.S. carriers, including 5G signals. what is the best cell phone signal booster to buy
: Boosts one carrier at a time (software-switchable between Verizon, AT&T, and T-Mobile) to achieve superior amplification in "no service" zones. : Effectively covers areas from 7,000 to 15,000 sq