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Continue to ChatOi dice que no es comercialmente viable brindar LTE sobre 450 MHz https://www.telesemana.com/blog/2016/03/21/oi-dice-que-no-es-comercialmente-viable-brindar-lte-sobre-450-mhz/
Oi dice que no es comercialmente viable brindar LTE sobre 450 MHz https://www.telesemana.com/blog/2016/03/21/oi-dice-que-no-es-comercialmente-viable-brindar-lte-sobre-450-mhz/