Today, more and more children use other electronic devices such as cell phones. The longer the time, the faster the children become nearsighted. To that end, the Children's Health Institute has developed a device called a wifi signal jammer.
Definition of a jamming device: A jamming device is a device that emits radio waves. Its frequency band is the same as that of mobile phones. Therefore, mobile phones etc. cannot be used near this unit. This is a worrying thing. After the unit is installed, the mobile phone, etc. cannot be repaired. You cannot make or receive calls. In this article you'll find why you need a jammer.
https://www.jammer-mart.com/wireless-wifi-bluetooth-jammer.html
Treating people with courtesy is very important no matter when or where. It's good for us. In today's mobile phone era, more young people wear glasses in their lives, and more and more people are short-sighted. Why? Academia has the answer. Electronic devices emit harmful blue light that can damage our eyes. Therefore, the longer children use electronic devices, the greater the probability of myopia, you need to limit electronic devices such as mobile phones, mobile phone jammers. Generally speaking, a signal jammer cell phone is an electronic device that can temporarily cut off any interference area of ​​the same-frequency cell phone signal transmitted by the base station. Therefore, telephone interference during normal use can be effectively prevented within the effective range.
[936] wifi signal jammer (2022/09/02 Fri 12:23) mail