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What are the main functions of the shielding box?

Author:admin   AddTime:2021-04-21

The main function of the shielding box is to limit the electromagnetic capability to a certain space range to suppress radiated interference, and to process conduction and radiation to provide a non-interference test environment for the tested wireless communication equipment. So what are the main functions of the shielding box? The following editor will introduce you:

The shielding case is very important for the product. Severe electromagnetic interference will cause the equipment inside to fail to work properly. Therefore, from the perspective of electromagnetic shielding, the main consideration is the type of electric field wave shielded. For electric field waves, plane waves or high-frequency magnetic field waves, general metals can meet the requirements. For low-frequency magnetic field waves, materials with high permeability, high permeability, and high sensitivity should be used.



1. The testable range of the shielding box is generally from 300M-6GHZ. The isolation of the shielding box is divided by material, some are relatively strong, and some are relatively poor.

2. In terms of size, if you are measuring a mobile phone, generally the length, width, and height are more than 150X150X150 mm. A mobile phone with a 5-inch screen larger than the above size should not be a problem.

3. There are many brands of shielding boxes, and the price difference is also big. The key depends on how you judge whether it is genuine or not. The shielding boxes for testing mobile phones generally use cone-shaped shielding boxes.

4. Shielding boxes are generally made of aluminum and steel. Aluminum is relatively light, but has poor electromagnetic wave absorption capability. Stainless steel absorbs the best, but is relatively heavy. If you hear it lightly and have good absorbing capacity, it is usually fooling you. For the time being, this world can't take care of the shielding box that absorbs electromagnetic waves lightly and is good.

Absorbing Material:https://www.goodsmaterial.com/

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