https://blogclean.com/2022/05/how-do-cell-towers-work/

Two ATandT towering cell sites. The first is near Duxbury, Massachusetts, within the church’s steeple. It is an old parish church. Another is located high on Mt Washington, where chilly weather and fierce winds rule.
Cell towers and towers, for which the most popular term is cell site, make phones function as telecommunication devices. An antenna and ground device send as well as receive radiofrequency (RF) signals to cellular devices. Cell towering sites is comprised of antennae.
Ground equipment is composed of a backhaul which acts as a conduit to terrestrial networks (for solid connections to the internet) and also between smaller subnetworks. Lead-acid batteries and a generator will provide electricity for at most 24 hours in case electricity goes out.
The signal transmission of cell towering services decreases exponentially from the point of origin. For 50 feet, as an example, signal strength is 16 times less. This could explain the huge quantity of people who are around.
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