So far your best option is to reach Antigua Island and wait there for rescue choppers, but first of all you must use a long range transmitter, and the only one nearby is inside an armor base.

到目前为止，你的最佳选择是达到安提瓜岛和等候在那里的救援直升机，但首先，你必须使用远程发射机，而且是唯一一个在附近，是内铠甲基地。

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They tested the range of this transmitter.

他们测试了这台发射机的发射范围。

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It can be used in developing the short range radio navigation ground beacon and testing the performance of its transmitter.

该平台可在近程无线电导航地面导航设备的研制中确定发射机参数和检验性能时使用。

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The transmitter has a range of two meters to three meters, and operates in the unlicensed 2.4GHz frequency band.

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SKA, however, would be able to detect the leakage into space from a standard terrestrial television transmitter at a range of half a dozen light years or so.

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It will take advantage of a two convenient facts about FM radio, first that there isn't a square inch of land in the U.S. or Canada, or for that matter much of the world, that isn't within range of an FM radio transmitter.

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