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30 oct. 1979 - Conmutación - conmutación de circuitos Frecuencia - 800- 900 MHz Ancho de banda de RF - 30 kHz.
Ajouté au bande de temps:
Evolución de la red de comunicación móvil
By
David Morales
22 oct. 2018
0
0
522
Date:
30 oct. 1979
Maintenaint
~ Il y a 46 ans
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