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15 янв 1986 г. - 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).
Добавлено на ленту времени:
Evolución de la red de comunicación móvil
By
David Morales
22 окт 2018
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0
386
Дата:
15 янв 1986 г.
Сейчас
~ 38 г назад
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