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To be honest, I don't understand why such frequencies are needed. I am more than sure that for most devices and equipment, with the exception of mobile phones, 2g is enough to receive and transmit signals. Even Ajax works mostly on 2g, with the exception of the Plus version, which also supports lte. Anyway. I think that the expansion of communication points to 5g is not bad, since it is an improvement of the Internet for many gadgets, but for most, especially outdated models, it is simply useless.