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A mobile phone connects to the telephone network by radio waves exchanged with a local antenna and automated transceiver called a cellular base station (cell site or cell tower). The service area served by each provider is divided into small geographical areas called cells , and all the phones in a cell communicate with that cell's antenna.
Seven cell phone towers were burned in Canada by 5G skeptics in May 2020. [29] In April 2020, anti-5G protestors in the Netherlands sabotaged and set fire to several 5G towers and sprayed an anti-5G slogan at the scene of an attack.
An example of a Wireless Emergency Alert on an Android smartphone, indicating a Tornado Warning in the covered area. Wireless Emergency Alerts (WEA), formerly known as the Commercial Mobile Alert System (CMAS) and, prior to that, as the Personal Localized Alerting Network (PLAN), [1] is an alerting network in the United States designed to disseminate emergency alerts to cell phones using Cell ...
In late October, the Federal Communications Commission ordered service provider AT&T to construct the now-infamous "cell phone tower palm" on a vacant lot in a residential neighborhood of East ...
Then, the vehicle moves to another location and sends out signals until it connects with the phone. When the signal strength is determined from enough locations, the computer system centralizes the phone and is able to find it. Cell phones are programmed to constantly search for the strongest signal emitted from cell phone towers in the area.
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A targeted mobile phone is sent signals where the user will not be able to tell apart the device from authentic cell service provider infrastructure. [16] This means that the device will be able to retrieve data that a normal cell tower receives from mobile phones if registered. [16]
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