Amplitude Modulation

Changing the amplitude of a radio wave. A higher wave is interpreted as a 1 and a normal wave is interpreted as a zero. By changing the wave, the RFID tag can communicate a string of binary digits to the reader. Computers can interpret these digits as digital information. The method of changing the amplitude is known as amplitude shift keying, or ASK.

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Recommendatory

› Amplitude
› American National Standards Institute
› Amplitude shift keying
› Air Interface Protocol
› Agile reader
› Antenna
› Antenna gain
› Addressability
› Active tag
› Anti-collision