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30 окт 1979 г. - Conmutación - conmutación de circuitos Frecuencia - 800- 900 MHz Ancho de banda de RF - 30 kHz.

Добавлено на ленту времени:

Evolución de la red de comunicación móvil

ByDavid Morales
22 окт 2018
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0
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30 окт 1979 г.
Сейчас
~ 44 г назад
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