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How many retail anti-theft security systems are in daily life

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发布日期:2020-01-11 17:51:02【 Browse: -Release date: 2020-01-11 17:51:02 [Large Middle Small]

Retail anti-theft security systems have become an essential part of supermarkets, clothing stores and other places. In order to reduce the loss rate of goods in stores, more and more business owners will choose to install anti-theft devices at the exit. So, how many retail anti-theft security systems are in daily life?

Currently, there are three types of retail anti-theft security systems at the entrance of retail stores: AM anti-theft devices, RF anti-theft devices and electromagnetic wave anti-theft devices. AM anti-theft devices and RF anti-theft devices are currently commonly used in supermarkets and clothing stores, the latter is more commonly used in the library field;

防盗器在市场上应用相对较早,价格也相对便宜,但其自身原理的缺点也很明显。 RF anti-theft devices are relatively early in the market and the price is relatively cheap, but the shortcomings of its own principle are also obvious. 防盗器射频设备的频率一般为8.2MHZ,有点高。 The frequency of the RF anti-theft device is generally 8.2MHZ, which is a bit high. The transmission frequency of some wireless devices in life is easily affected by other radio devices. 防盗器零售防盗安全系统容易受到虚假警报或无警报的影响,同时RF 防盗器设备特别容易受到LED灯和大面积金属影响。 Directly manifested as RF anti-theft retail anti-theft security systems are susceptible to false alarms or no alarms, while RF anti-theft devices are particularly vulnerable to LED lights and large areas of metal.

防盗器设备具有更强的抗干扰能力,由于采用超低频技术,不易受到外界环境的干扰,并且在频率为58KHz。 Relatively speaking, AM anti- theft device has stronger anti-interference ability than RF anti-theft device. Because it uses ultra-low frequency technology, it is not easy to be interfered by the external environment, and its frequency is 58KHz. The natural frequency of the soft and hard tags used by it is 58KHz, so the false alarm rate is lower, and the appearance of the device is more beautiful, but due to the higher cost, the overall price of the corresponding device is relatively high.

The electromagnetic wave anti-theft device uses electromagnetic waves as a detection signal, and is mainly composed of an anti-theft antenna, a demagnetizer, a magnetic stripe, and a magnetic stripe detector.

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