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1 marzo 1981 anni - Ericsson lanza el sistema NMT 450 Utilizaba canales de radio analógicos con modulación en frecuencia (FM).

Aggiunto al nastro di tempo:

Evolución de la tecnología móvil

21 ott 2018

0

0

427

Data:

1 marzo 1981 anni

Adesso

~ 44 years ago

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