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मेन्यू

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???? ?? ???? ??????? ?? ???????? ?? ????? ???? ?????? ????? ????? ??? ???? ?? ??????? ?? ??? ??????? ?? ???????? ??, ???? ??????? ???????????? ?????? ??????? ??????? ?? ??????? ???? ??? ??? ??, ?????? ???? ??????? ?? ????? ???????? ?? ??????? ?? ????? ?????, ????? ???? ???? ?? ????? ??? ??? ???????  

???? ??????? ??? ????? ??? ?? ????? ???: 

1.?????? ???? ??????? ????? ?? ??? ??????? ???????? ???? ???? ????????

2.???? ???? ???????????? ??????, ????? ?????, ????? ????? ?????, ???? ???? ?????, ????????, ????????????? ??? ?? ????

3.???? ???? ?? ??? ??? ????-????? ???? ??????? ??? ?????

??????????? ??? ???? ?????? ?? ??? ???????? ?? ???????? ????: ?????? ?????? ?? ??????? ???? ?? ??? ????-????? ???? ?? ????-????? ??? ?? ??????? ??????? ???????? ??????? ?? ????? ????, ??? ????? ?? ?????? ??? ?? ????? ?????? ?? ???, ???? ?????? ?? ?????? ???? ???- ???? ????? ???????? ????? ?????? ??, ?????? ?? 95% ?? ???? ??? ???????? ???? ???, ??? ??????????? ???? ?????? ?????? ???? ???? ??, ???? ???? ?? ?? ?? ??? ?? ??? ????-???? ???? ???? ??, ?? ???? ?????? ?? ??? ??? ?? ????? ???? ???? ???? ??? ?????? ?? 8.2 ?????????? ???? ?? ??????, ?? ?? ??? ????? ???? ???? ???? ??, ?? ???? ?? ????? ?? ?????? ??????

At present, supermarkets mostly use two kinds of EAS system, one is RF system,  8.2MHz alarm standard. The other is AM system, 58KHz alarm standard. The latter technology is superior, but the cost is higher. Our customers mostly use RF system, through fiaxing 8.2MHz soft labels and hard tags on commodities, setting RF antenna at the door to detect the presence of 8.2MHz frequency, sensing the alarm effect. AM system can be used in clothing stores, bookstores, libraries and mobile phone stores, etc. The frequency of AM system is 58KHz, the detection rate is higher, almost 鈥渮ero鈥? false alarm.
RF system is an electric field in which the radio frequency antenna sends out FM signal and then generates alert. When a radio frequency tag enters the electric field, the EAS system will resonate and alarm. AM system is a resonance phenomenon produced by the tuning fork principle, which can approach the operation of almost zero false alarm. When the frequency of the signal coincides with the oscillation frequency of the label, the label will cause resonance and produce resonance signal, while AM system will alarm. AM system is better than RF system in any aspects besides price. If the store has a wider installation width, the distance between soft labels is 1.2-1.6 meters; the detection distance between hard tags is 1.6-2.4 meters, but the two kinds of labels are generally higher than RF frequency. AM can achieve wireless synchronization without frequency offset. Secondly, the stability and anti-interference performance of AM system is better than RF system, and it will not be interfered as strongly as RF system. AM system can be applied to most store environments.
???????? ?????? ???? ????? ?? ????? ?? ???????? ?? ?????? ???? ?????? ?????? ??? ???? ????? ???? ??? ??????? ??? ???? ??????? ?????? ?? ????, ???? ?????? ??? ?? ????? ?????? ?????? ???? ??????? ?? ?????? ???? ???
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