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1 jan 1921 ano - The first car-car radios are used

Descrição:

The Detroit Police Department began using mobile radios in their police cars. They used them to talk between police cars, even though it didn't work very well.

Adicionado na linha do tempo:

Cell Phone- Ayman Said

ByAyman
8 nov 2017
0
0
687

Data:

1 jan 1921 ano
Agora
~ 104 years ago

Imagens:

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