What is the role of the wireless module with a shielding cover

Why do some wireless modules with shielding cover on the market, and some without shielding cover? What is the function of wireless module with shielding cover? Shielding cover is generally a cover of metal material, which is a tool for shielding electronic signals.

The role of wireless module with shielding cover

The main function of the shield is to shield the influence of external electromagnetic waves on the internal circuit and the electromagnetic waves generated inside to radiate outwards, and to enhance the anti-interference effect of the wireless module.

The wireless module is equipped with or without shielding cover, customers can choose according to their own needs. In order to improve the anti-interference ability, it is recommended that users choose the wireless module with shielding cover.