Telcos love to sing the praises of 5G technology, but ask them how much it will cost, and whether it will make any money, and they often clam up like a choirboy with stage fright. But now Japan's NTT DoCoMo Inc. , one of the world's 5G pioneers, has revealed exactly what sort of financial impact it expects 5G rollout to have on its business in the next five years.
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