Lifepo4 Batteries For Communication Equipment
Radio is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. In electronics, modulation is the process of varying one or more properties of high frequency periodic waveform, called the carrier signal, with respect to a modulating signal. This is done in a similar fashion as a musician may modulate the tone from a musical instrument by varying its volume, timing and pitch.…See More
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