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Radio waves are a type of electromagnetic wave which falls in the frequency range of 300 GHz to as low as 3 kHz. They are extensively used in data and information transmission through various devices, including television, mobile phones, satellites, and radio broadcasts. Here is the general application of how the use of radio waves transmits data:

1. Information Encoding: The first step to transmit data using radio waves is "information encoding". The data, here in the form of sound, images, or any digital contents, is converted into an electronic digital signal.