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jan 1, 1990 - 2G

Description:

- Segunda generación en redes telefónicas
- Sistemas como GSM, IS-136, iDEN e IS-95.
- Se aumenta la seguridad
- Mejora la calidad de sonido

Added to timeline:

Historia de la computadora

ByJessica Polito
18 Aug 2019
0
0
535

Date:

jan 1, 1990
Now
~ 35 years ago
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