amplitude modulation
Ultra high frequency.
FM means Frequency Modulated.FM stands for modulation on frequency or frequency modulation.
Super low frequency
Ultrasonic Frequency
Amplitude modulation.
Variable voltage variable frequency
Ultra high frequency.
frequency modulation
AM - Amplitude Modulation FM - Frequency Modulation
frequency, intensity, and time (duration)
amplitude modulation & frequency modulation
Molecular Low-Power Radio Frequency.