RFID test recitation

Brief answer:

The reasons for the diversification of RFID standards are briefly introduced:

It is caused by different technical factors and benefit factors:

1. The operating frequency is distributed in multiple frequency bands of low-frequency to microwave, with different frequencies and large technical differences.
2. The difference of the range of action leads to different standards: the transponder is divided into active and passive modes of operation.
3. The system work principle is different: the close distance is the inductance coupling way, the long distance is the inverse scattering coupling way.
4. At the same frequency, the requirements of different standards have different action distances, so the carrier power of the reader output is different.
5. The requirements of different applications lead to different technologies, and different standards emerge.
6. The development of technology has also made the standards continuously improved.

RFID test recitation