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How do the supermarket anti-theft devices work? [Bohang China]

Views:4     Author:Allen     Publish Time: 2019-08-27      Origin:Site

How do the supermarket anti-theft devices work? [Bohang China]


The supermarket anti-theft devices detector generally consists of two parts: the transmitter and the receiver. The basic principle is to use a transmitting antenna to transmit a scanning band, form a scanning area between the transmitting antenna and the receiving antenna, and use the receiving antenna to receive and restore the frequency band in the receiving range, and then use the resonance principle of electromagnetic waves to search. Whether a valid tag exists within a specific range, and an alarm is triggered when a valid tag appears in the area.


 Bohang supermarket anti-theft devices


The internal structure of the electronic tag is an Lc oscillation circuit, which is installed on the commodity in a special way, and can only be released by a dedicated decoder and an unlocker. The supermarket anti-theft devices electronic tags appearing on the market include soft labels, hard tags, wine bottle protectors, milk powder anti-theft labels, CD/tape protection boxes, and the others.


Bohang supermarket anti-theft devices

The decoder is a device that fails the soft tag. Commonly used in the market is a contactless decoder, as long as the salesperson can pass the tag within 20cm above the decoder to decode. The supermarket anti-theft devices decoder can be used with the POS laser cash register platform. The unlocker is a device that removes various hard tags quickly, conveniently and simply.

Bohang supermarket anti-theft devices

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