Spectrum is the range of radio waves a government licenses to companies. It is not bought like land: you rent the right to use a slice of air, under rules and for a fixed term, and you must keep using it.
频谱 —— 政府向企业发放许可的那一段无线电
| Move变动 | Where it appeared出现位置 | What it means这句话在说什么 |
|---|---|---|
| — | SpaceX buys the last spectrum it needs to enter US mobile 频谱 —— 政府向企业发放许可的那一段无线电 · 第 1 张术语卡 | Grain Management's slice here is up to 14 MHz in the 800 MHz band — a sliver by national standards, and precisely the sliver SpaceX was missing. 频谱是移动通信行业最稀缺的原材料，因为可用的频段有限、且不同频段特性不同：低频穿墙远但容量小，高频容量大但覆盖差，所以运营商往往同时握着好几段。各国普遍用拍卖分配，价格动辄数十亿甚至上百亿美元 —— 这解释了为什么「买频谱」本身就是新闻，也解释了 FCC 主席说「两年内投放 1000 亿美元频谱」意味着什么。 |