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mar 1, 1981 - Ericsson lanza el sistema NMT 450 Utilizaba canales de radio analógicos con modulación en frecuencia (FM).
Added to timeline:
Evolución de la tecnología móvil
By
Marlon SD
21 Oct 2018
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423
Date:
mar 1, 1981
Now
~ 44 years ago
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