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jan 6, 1986 - Año: 1986 Ericsson modernizó el sistema NMT, alcanzando frecuencias superiores (del orden de 900 MHz). Esto ayudo a dar servicio a número de usuarios mayor y empezar lo que conocemos como portabilidad de los terminales.
Added to timeline:
KEMO_U2_A1_Equipo#10
By
Azael Solano
23 Feb 2019
0
0
768
Date:
jan 6, 1986
Now
~ 39 years ago
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