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15 gen 1986 anni - Ericsson modernizó el sistema, llevándolo hasta el nivel NMT 900. Funcionaba prácticamente igual que la anterior pero a frecuencias superiores (del orden de 900 MHz).

Aggiunto al nastro di tempo:

Evolución de la red de comunicación móvil

ByDavid Morales

22 ott 2018

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522

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15 gen 1986 anni

Adesso

~ 39 years ago

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