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A standard arrangement of the context of messages, (for example, name and description of missing person might be transmitted as follows: Name, age, height, weight, physical characteristics, clothing; if car used, the license, make, description and motor number.
A police radio code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include " 10 codes " (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes , or ...
A professional license must be converted to an ordinary one at the age of 60, but a professional small-vehicle driver may keep their license until they are 65 years old if they pass annual physical examinations. Since driving jobs are not open to foreigners, they cannot obtain a professional driver license.
Section 23123.5 of the California Vehicle Code states that a person cannot operate a motor vehicle while holding a handheld telephone or electronic device unless it is designed to allow voice ...
While the term Inter-Vehicle Communications (IVC) began to circulate in the early 1980s. [3] Various media were used before the standardization activities began, such as lasers, infrared, and radio waves. The PATH project in the United States between 1986 and 1997 was an important breakthrough in vehicular communications projects. [4]
A rolling code (or sometimes called a hopping code) is used in keyless entry systems to prevent a simple form of replay attack, where an eavesdropper records the transmission and replays it at a later time to cause the receiver to 'unlock'. Such systems are typical in garage door openers and keyless car entry systems.
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