Radio Frequency (wireless)
Time：
2022-08-05 19:03
Source：
Radio frequency (RF) is a non-contact automatic identification technology that emerged in the 1990s. Compared with the traditional magnetic card and IC card technology, RF technology has the characteristics of non-contact, fast reading speed and no wear. Wireless radio frequency technology is used for non-contact two-way data transmission between the reader and the radio frequency card to achieve the purpose of target identification and data exchange. Compared with the traditional barcode, magnetic card and IC card, the RF card has the characteristics of non-contact, fast reading speed, no environmental impact, long service life, easy to use and anti-collision function, and can process multiple cards at the same time.
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