March 2026
Intermediate to advanced
400 pages
15h 45m
English
Mobile phone technology has been available to consumers for around 40 years, but there have been some amazing advancements in that time. Since the first limited commercial rollout in 1983, there have been four distinct generations of technology. These have gone from basic radio communication with a limited connection range and poor-quality voice to smartphones capable of managing high-quality voice while taking and sending a 7-megapixel picture with no noticeable drop in quality. This section reviews each generation of cell phone technology, looking at what it was, how it worked, and its security implications .
A commercial cellular system, called the Advanced Mobile Phone System (AMPS), was deployed ...
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