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![Radio frequency - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_28.jpeg)
Radio frequency - Wikipedia, the free encyclopedia
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日期:2024-07-08
Radio frequency (RF) is a rate of oscillation in the range of around 3 kHz to 300 GHz, which corresponds to the frequency of radio waves, and the alternating currents which carry radio signals. RF usually refers to ......看更多