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Do signal shielding and signal interference mean the same thing?

Do signal shielding and signal interference mean the same thing?

  • 2022-07-13

The products produced by our NanJing BoKang Electromechanical Technology CO.,LTD are commonly known as signal jammers. Customers often ask: Do signal shielding and signal jamming mean the same thing? Is signal shielding the same as signal interference? Do both work the same way?

Strictly speaking, signal shielding and signal interference are really not the same concept, and the difference between the two is still very large. The actual meaning of signal shielding is to isolate and block wireless communication signals, which is equivalent to establishing a barrier between the transmitting end and the receiving end of the signal, so that the sending and receiving ends cannot be effectively connected or communicated. Signal interference is to apply a sufficient strength of interference signal source to the original normal communication signal by means of co-frequency, frequency doubling or broadband coverage, frequency superposition, etc. This interference signal source can be white noise or other clutter. The information and data of the order are suppressed by the power size, which eventually makes the original normal communication signal unable to complete the effective connection and handshake communication.

Although the principles and implementation methods of signal shielding and signal interference are very different, the final results of the two types are relatively similar, both of which make the normal connection between the transmitter and receiver of the signal lost. Because of this , In the name of the product, the public is used to describing and naming the product with the final effect of the product. Over time, the signal blocker and the signal jammer gradually form the same meaning, that is to say, it is a way to make the signal unable to work normally. Communication connected electronic products.

At present, most of the signal jammers or signal jammers on the market are still based on the working principle of "signal jamming". And this method is relatively easy to implement. In contrast to "signal shielding", the realization method of this method needs to rely on materials science, and needs to use a lot of various materials with signal blocking and signal attenuation characteristics. Therefore, the real signal shielding method is relatively easy to implement. more complicated.

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