If the supermarket needs to be anti-theft, the first way you want is to install Anti-theft Physical Recoiler. The types of products in supermarkets are complicated, and the method of manual and monitoring alone cannot solve the problem of theft of goods well. The emergence of Anti-Theft Physical Recoiler just solved these problems for us, and the safety of goods was guaranteed. How exactly does the anti -theft door have the effect of anti -theft? I will introduce it in detail below.

One: Radio principle

The anti -theft door of the mall can accept the wireless signal of different frequencies. The advantage of this principle is that the cost is low and the installation is convenient.

Two: electromagnetic wave principle

Using electromagnetic wave detection signals, the advantage of this principle is that the price is cheap and can be reused, but there is a bad place that is easy to be disturbed by metal and magnetic products and affects use.

Three: Principles of sound magnetic

The acoustic Anti-Theft Physical Recoiler is the most worthy of everyone. The frequency of the use of sound 58kHzd for anti-theft, because this anti-theft door has high detection efficiency and strong anti-interference. It is a very cost-effective anti-theft product.

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