Why does a cell tower need to be massive to transmit data to a smartphone but the phone’s extremely small antenna can transmit data back over the same distance?
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It is exactly because the phone has a small antenna and low powered. So if you think of a receiver and transmitter. The smaller the receiver ie the phone, the larger the signal it needs to “hear” things therefore the cell tower has to be large and powerful. And as the phone has a small transmitter, it emits a weak signal and the receiver (cell tower) needs to be large to “hear” it.
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