What historical ancedents gave rise to the inventions?

2 answers:

7 0

Mobile phones were invented as early as the 1940s when engineers working at AT&T developed cells for mobile phone base stations. The very first mobile phones were not really mobile phones at all. They were two-way radios that allowed people like taxi drivers and the emergency services to communicate.

igomit [66]2 years ago

4 0

Answer:

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