Author: Lenacharles | Posted on: 11/14/2019 3:44:00 AM | Views : 454

The early cellular phones humans were introduced with were analog radio devices which would connect to a local tower that oversaw a fixed area, or “cell”, on a dedicated frequency. At that time, the radio-frequency or RF technology was the same as that powering walkie-talkies. However the trick here was in figuring out how to connect the walkie-talkie to the circuit-switched phone network.

At that time, call capacity was limited since we had only so many slices of frequency into which one could divide spectrum before they ran into quality issues. Consequently, early cell phones and their related service plans were extremely expensive and generally limited to wealthy moguls like the fictional Gordon Gekko from the movie Wall Street.

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