User blogs

In recent years, as the number of users purchasing and using mobile phone shielding equipment continues to increase, when users give us feedback on their use experience, they usually talk about the issue of shielding distance, and most of them hope that the shielding distance can be achieved In larger areas, and even in some relatively open areas, it is expected that one or two shielding devices can solve all mobile phone signal blocking problems. Then the question immediately arises. Is there an upper limit on the shielding distance... more