Cellular phone service, also known as cellular service or mobile phone service, works by using a network of radio stations called cell sites, which are placed at regular intervals throughout a given area.
Each cell site contains a certain number of radio transceivers, which are used to communicate with the mobile phones in the area.
When you make a call or send a text on your cell phone, your phone sends a signal to the nearest cell site, which then connects you to the other party through the network.
The signal is then transferred from cell site to cell site as you move around, allowing you to maintain a connection even when you are on the go.
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