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What is signal modulation? Do different types of modulation change RF biological effects?

April 26, 2017biological different modulation RF signal types

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What is signal modulation? Do different types of modulation change RF biological effects?

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Signal modulation is a process whereby certain characteristics of a radio wave are varied with transmitted information (voice, pictures and data). Different signal modulations in both analogue (e.g. AM, FM) and digital (numeric) formats have been used in radiocommunication. While most radio technologies have used analogue signals, modern wireless telecommunications are using digital transmissions. Detailed scientific reviews conducted so far have not revealed any hazard specific to different RF modulations.