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jan 15, 1986 - 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).
Added to timeline:
Evolución de la red de comunicación móvil
By
David Morales
22 Oct 2018
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0
383
Date:
jan 15, 1986
Now
~ 38 years ago
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