R is for radio, which we all know means radio. Another meaning is ‘radio waves’. In fact, radio is radio waves, and then derived from the meaning of the radio.F is frequency, frequency. Radio waves have frequency, we are familiar with the radio station FM how many megahertz, refers to the frequency band of the radio. radio frequency together, can be translated as ‘radio frequency’ that is, the frequency of the radio waves. id is the identity identification. our ID card is called ID card. RFID technology, that is, Radio frequency identification technology. Together is ‘through the frequency of radio waves to do identification technology’ referred to as ‘radio frequency identification technology’.
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