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

Description:

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).

Ajouté au bande de temps:

generaciones de telefonos celulares

ByRene Vite
29 févr. 2020

Date:

1 août 1981
Maintenaint
~ Il y a 42 ans

Les images:

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