We go camping in the RV and often are out of cell phone range. That is ok with me most of the time, no cell, no computer, no TV, no internet, relax and enjoy it. In case of emergency it would be nice to have cell phone service. I see cell phone antenna repeaters online. It appears the antenna amplifier pulls in a signal then transmits a signal to the phone. Do these 900 MHz yagi antenna amplifiers really work?
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