此外，在大多数无线网络计划设想的管道数量仍然是非常小的，而范围大(50 - 100平方米)，因此使得移动设备的总数量受到严格限制。

Furthermore the number of channels envisioned in most wireless network schemes is still very small, and the range large (50-100 meters), so that the total number of mobile devices is severely limited.

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使用预付费卡的移动蜂窝用户总数。这些用户选择了购买使用时间段而不是固定月租费。

Total number of mobile cellular subscribers using prepaid cards. These are subscribers that rather than paying a fixed monthly subscription fee, choose to purchase blocks of usage time.

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全球移动电话用户总数在2015年第三季度约为7.3十亿，其中有87万新用户。

The total number of mobile subscriptions in Q3 2015 was around 7.3 billion, including 87 million new subscriptions.

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