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a start on how it works
*All except four states with cell phone bans allow police to stop and ticket drivers for breaking the law. The exceptions are New Jersey, which is a secondary enforcement law except for school bus drivers and learner’s permit and intermediate license holders, and Colorado, Maryland, and West Virginia which have secondary enforcement laws. Secondary enforcement laws require observation of another violation before stopping the driver.{{citation needed}}
*All except four states with cell phone bans allow police to stop and ticket drivers for breaking the law. The exceptions are New Jersey, which is a secondary enforcement law except for school bus drivers and learner’s permit and intermediate license holders, and Colorado, Maryland, and West Virginia which have secondary enforcement laws. Secondary enforcement laws require observation of another violation before stopping the driver.{{citation needed}}
==Function==
Cellular phones connect to distributed towers holding transceiver cells. Each phone can operate on about 1,664 different channels. Territory is divided into cells--sections serviced by a specific tower. As a phone passes from one cell to another, its connection is switch over to the tower responsible for the newly entered cell. Each cell is usually a hexagon which covers about 10 square miles.<ref>http://electronics.howstuffworks.com/cell-phone1.htm</ref>
==Safety Record==
==Safety Record==