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Chapter 7. PRIVACY OVER THE AIRWAVES > Understanding Cellular Technology

Understanding Cellular Technology

You've probably seen movies about earlier (but still modern) wars in which the communications officer carried a huge hunk of radio gear on his back. That stuff must have been very heavy and hard to lug around. Those were early mobile radios that enabled dispersed groups of soldiers to communicate with their commanding officers and to get information to the troops faster. This was a big improvement over earlier attempts to do the same thing. Mobile communications changed warfare. Officers could instruct troops much more quickly, moving them from one point to another. Sometimes, of course, the communications were “overheard.” Protecting against eavesdroppers caused the communications to be “encrypted.” In the United States military the encryption was done by the Navaho code talkers who spoke their complex language over the radio waves. Enemy troops overhearing the transmissions were unable to break the code and the allied troops were able to communicate safely.

NOTE

For more info on the Navaho Code Talkers, see the following links:



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