Radio wavesRadio waves have a frequency range of 104-109 Hz (Hertz) used in the communication. There are 2 radio signal, the system is.1.1 system am (amplitude modulation A.M. =) The system has a frequency range am 530-1600 kHz (kilohoenta) to communicate using sound waves, mixed with radio waves is called "carrier wave" amplifier-wave's carrier will change according to the signal wave sound.
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