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1 Aug 1981 Jahr - Primera generación (1G): Maduración de la idea

Beschreibung:

En 1981 el fabricante Ericsson lanza el sistema NMT 450 (Nordic Mobile Telephony 450 MHz). Este sistema seguía utilizando canales de radio analógicos (frecuencias en torno a 450 MHz) con modulación en frecuencia (FM).

Zugefügt zum Band der Zeit:

generaciones de telefonos celulares

ByRene Vite
29 Feb 2020

Datum:

1 Aug 1981 Jahr
Jetzt
~ 42 years ago

Abbildungen:

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