A cellular network is a network of handheld mobile phones (cell phones) in which each phone communicates with the telephone network by radio waves through a local antenna at a cellular base station (cell site). The coverage area in which service is provided is divided into a mosaic of small geographical areas. .
A cell site, cell phone tower, cell base tower, or cellular base station is a -enabled site where and electronic communications equipment are. .
Cell site workers are called or transmission tower workers. Transmission tower workers often work at heights of up to 460 m (1,500 ft), performing. .
An off-grid cell site is not connected to the public . Usually the system is because of difficult access or lack of infrastructure. or other systems. .
RangeThe working range of a cell site (the range which mobile devices connects reliably to the cell site) is not a. .
Although cell antennas are normally attached to permanent structures, carriers also maintain fleets of vehicles, called (COWs),. .
According to documents leaked to Der Spiegel, the NSA sells a $40,000 "active GSM base station" to be used as a tool to mimic a mobile phone tower and thus monitor cell phones. .
There is often local opposition to new masts for reasons of and appearance. The latter is sometimes tackled by disguising the mast as something else, such.
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