What is a wave in telecom?



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In telecommunications, a carrier wave, carrier signal, or just carrier, is a waveform (usually sinusoidal) that is modulated (modified) with an information-bearing signal for the purpose of conveying information. This carrier wave usually has a much higher frequency than the input signal does.



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Today, almost all telecommunication occurs through transmission of electromagnetic waves from a transmitter to a receiver. These transmitted waves range in



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