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Field phones could operate point to point or via a switchboard at a command post. [6] A variety of wire types are used, ranging from light weight "assault wire", e.g. W-130 —8.5 kilograms per kilometre (30 pounds per mile)— with a talking range about 8.0 kilometres (5 mi), to heavier cable with multiple pairs.
The Mobile Subscriber Equipment (MSE) system was a tactical communication system created by GTE Government Systems [4]: 393 (later acquired by General Dynamics) for the United States Army. [ 2 ] [ 6 ] Acquisition began in 1985 for echelons below Corps and down to the battalion level. [ 7 ]
A satellite phone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do. Therefore, they can work in most geographic locations on the Earth's surface, as long as open sky and the line-of-sight between the phone and ...
Autovon was a worldwide network of secure voice services for the U.S. military, built from 1963 to 1990s. It had multilevel precedence and preemption, and used coaxial cable, microwave, and fiber optic media.
Learn how communication systems and methods were used and failed during the 2001 terrorist attacks in New York City and Washington, D.C. Find out how cell phones, radio, and emergency services played a role in the events and their aftermath.
Learn about the history, equipment, and categories of military communications, or conveyance of information, by armed forces. Find out how military communications support command, control, and intelligence, and how they evolved from runners and signals to radio and satellites.
A Stingray is a cellular phone surveillance device that mimics a wireless carrier cell tower to intercept communications data or metadata from nearby devices. Learn about its technology, active and passive modes, and legal issues in different countries.
The upgrade to digital radio technology in the mobile phone, indoor wireless network, and satellite broadcasting industries created new opportunities for smart antennas in the 1990s, culminating in the development of the MIMO (multiple-input multiple-output) technology used in 4G wireless networks.
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