Views:4 Author:Allen Publish Time: 2019-09-11 Origin:Site
How to buy supermarket anti-theft alarm system? [Bohang China]
How to buy supermarket anti-theft alarm system? There are many types of merchandise on the market that are burglar-proof, but only two types of anti-theft alarm systems are commonly used in supermarkets. One is RF access and the other is acoustic magnetic access. The large function of the acoustic magnetic anti-theft alarm system is almost zero false positive. When the anti-theft tag attached to the product enters the detection area of the system, it resonates, triggering an alarm from the supermarket anti-theft alarm system.
Due to the principle of the EAS AM anti-theft alarm system, the acoustic magnetic anti-theft system can be highly anti-interference, almost zero false positives, and the anti-theft detection rate is high. The width of the protected socket is significantly longer than the width of the RF, up to 2.7 meters. Both anti-theft tags and soft tags protect most of the supermarket's content. However, the disadvantage is that the production process and installation process of the acoustic magnetic supermarket anti-theft alarm system is more complicated than the radio frequency, so the price is also more expensive than the EAS RF anti-theft alarm system.
The advantages and disadvantages of the RF anti-theft alarm system are exactly the opposite of the acoustic anti-theft alarm system. Since the radio frequency anti-theft alarm system uses radio waves as transmission and reception signals, the radio frequency anti-theft alarm system is inexpensive and easy to install. Since the RF anti-theft tag is a coil type, many coil items or electronics with similar tag frequencies will trigger the system and generate false alarms. Therefore, it is easy to generate a false alarm as compared with the acoustic magnetic anti-theft alarm system. The detection rate of the device is typically about 80%.