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What are the parts of an RF system? What is the basic principle?

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发布日期:2015-12-07 18:16:00【 Browse: -Release Date: 2015-12-07 18:16:00 [Large Middle Small]

1. Detection system: composed of transmitter, receiver and power supply box;

2. Electronic tags:

A. Decodeable label (soft label): suitable for department stores, audiovisual, books, etc .; (one-time)

B. Non-decodeable labels (hard tags, CDs, and cigarette protection boxes): suitable for clothing, bags, shoes, milk powder, wine, etc .; CDs, cigarettes, etc. (reusable).

3. Decoder:

A, electronic decoder: remote sensing decoding of soft tags;

B. Scanner / decoder: Scan the barcode of the product and complete the decoding of the soft label;

C. Unlocker: Remove the mechanical hard tag from the goods at the cash register.

Basic principle: The transmitter transmits 7.5 ~ 8.5MHz FM signal to generate a warning electric field. When an inductive tag enters the electric field, a resonance triggers an alarm.


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