What does "FM" found on radio receivers stand for?

Amplitude Modulation
Frequency Modulation
Fast Modulation
Microwaves
In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.
Paweł Kołodziejczyk
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Amplitude Modulation
Frequency Modulation
Fast Modulation
Microwaves
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