Why do exam halls generally not use high-power signal shields?
In all types of examinations, it has long been a common practice to install wireless signal jammers in each examination room. However, almost 90% of examination centers choose low-power shielding equipment when selecting equipment. Why did you choose this? There are often high-performance shielding devices on the market, but why are they so common in exam rooms? What if you don't know how to use a high-performance signal jammer ? The answer to this question can be analyzed from two perspectives: one is the product performance and application scenarios of the powerful wireless signal jammer itself, and the other is the design of the examination room . First, let’s talk about the high-power wireless signal jammer. Its biggest feature is its high transmitting power and wide coverage. However, there are clear reminders in its instructions for use that high-power wireless signal cellphone jammer are mainly used in outdoor open environments. Environments like examination rooms are o...