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 … See more

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. See more

There is often local opposition to new masts for reasons of safety and appearance. The latter is sometimes tackled by disguising the mast as something else, such … See more

Range
The working range of a cell site (the range which mobile devices connects reliably to the cell site) is not a … See more

Although cell antennas are normally attached to permanent structures, carriers also maintain fleets of vehicles, called cells-on-wheels (COWs), … See more

Cell site workers are called tower climbers or transmission tower workers. Transmission tower workers often work at heights of up to 460 m (1,500 ft), performing … See more

An off-grid cell site is not connected to the public electrical grid. Usually the system is off-the-grid because of difficult access or lack of infrastructure. Fuel cell or other backup power systems … See more