Mobile broadband - Wikipedia, the free encyclopedia

Mobile broadband - Wikipedia, the free encyclopedia

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日期:2024-08-24
It is estimated that there were 6.6 billion mobile phone subscriptions worldwide at the end of 2012 (89% penetration), representing roughly 4.4 billion subscribers (many people have more than one subscription). Growth has been around 9% year-on-year.[11] ...看更多