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15 Jan 1986 Jahr - 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).
Zugefügt zum Band der Zeit:
Evolución de la red de comunicación móvil
By
David Morales
22 Okt 2018
0
0
386
Datum:
15 Jan 1986 Jahr
Jetzt
~ 38 years ago
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