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The specific role and application scope of the shielding box

Author:admin   AddTime:2021-02-28

With the continuous development of high technology, many high-tech products are constantly emerging. The shielding box has appeared in the development of technological products, and it has many shielding boxes with different functions.

The shielding effect is the signal value obtained for a certain frequency band when the shielding box is opened and closed when the product is tested. The subtraction of the front and back values is the shielding effect. The unit is DB, and the subtraction is a negative value. If the negative value is smaller , Then the better the effect of the shielding box, the better the shielding effect of the test, and the more stable the signal of the product produced.



The RF test process is usually the most complicated and influential process in the production line of wireless communication equipment such as mobile phones, and it is usually the bottleneck of the production line. The radio frequency test station is usually composed of several parts such as test instrument, shielding box, test software, etc., and usually can be divided into calibration test, comprehensive test, antenna test and so on.

Electromagnetic interference/EMI is a problem that the entire electronic field must face and overcome at present, generally in wireless communication products such as: mobile phones, wireless network cards, wireless routers, wireless headsets, Bluetooth headsets, wi-fi, wimax, data cards, walkie-talkies, RFID In the process of board testing and final testing of wireless communication equipment and wireless communication modules, the test environment is improved by using the radio frequency test shield box/RF Shield Box.

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

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