How to choose the shielding cover of the wireless module

The appearance of wireless modules on the market generally has several characteristics, such as shielded cover, bare board, and aluminum alloy shell. Some manufacturers will weld shielding covers for wireless modules, or install aluminum alloy shells, mainly to reduce electromagnetic interference and ensure that the components are protected from dust. So, what kind of shielding cover is good, and how to choose a shielding cover? The following professional Shenzhen module manufacturers will introduce you to the method of selecting the shielding cover of the wireless module housing.

Take the module of NiceRF as an example, let me introduce the appearance of the module first. The wireless transceiver module RF4432 of NiceRF Wireless is a bare board, RF4432PRO is equipped with a shielding cover, and the wireless data transmission module SV612 is equipped with an aluminum alloy shell.

The shielding cover purchased by the wireless module manufacturer has to be selected many times before being soldered to the PCB board of the wireless module. The following describes in detail the method of selecting the shielding cover of the wireless module housing.

1. After purchasing the shielding cover, select it first, and pick out the deformed shielding cover, and put it aside. The defective products of the shielding cover can be returned to the shielding cover manufacturer.
2. Send these selected shielding covers to the electroplating manufacturer for surface plating, so that the shielding covers will look bright and beautiful.
3. Select the electroplated shielding cover again, because not every shielding cover is good after electroplating, and there may be defects in the transportation or electroplating process, and the selection this time is more stringent than the first time. First of all, it is not necessary to have stains on the shell, because these stains can not be wiped off with the washing water; secondly, it is not necessary to have obvious scratches on the shell; finally, it is not to be used if the shell is deformed or has dents.

The above picture is a picture of the defective product of the shell shield. As shown in the figure, there are stains, scratches, deformations, and pits. Second, customers will feel that the product quality of this module manufacturer is problematic, so in terms of selected materials, it can be seen whether a manufacturer is professional enough.

The above is the method of selecting the shielding cover of the wireless module. As a professional wireless module manufacturer, Shenzhen Siwei Wireless uses industrial-grade materials. Regardless of the material of the module, the materials are carefully selected to ensure the quality of the product. Quality, to provide high-quality products and services to customers, and to be recognized by customers, is the driving force for our continuous innovation and continuous progress.