If the fact is definitely a violation, the operation of Can A Cell Phone Blocker Be Traced blocking the signal usually occurs in scenarios such as exams and important meetings. cell phone jammer This kind of operator monopoly on campuses has also appeared before, usually by schools. Operators attach great importance to campus marketing and cannot give up voluntarily. After all, a large number of new people enter the campus every year, how can such a large market be willing to lose it. The operator needs to agree to cooperate with the construction department to build a room in the school. I think everyone knows that if you want to build a station, you need to pay a benefit fee. If the payment is not in place, the school will not let you build it. Even if it is built, it will be The reason does not allow you to turn on or turn off the power, so it still cannot be used. The benefit fee may be how many free cards or other things are given. I have talked about the site myself, and usually I will directly say how much to give. People who don’t agree will shirk it for various reasons. Like you said, this kind of situation should be that China Unicom has given more benefits, and China Mobile has not given the same benefits. So the school disconnected other operators' networks.
If there is no phone interference, do text messages and IMs need to be blocked? The subject can examine how serious the mobile phone syndrome and the degree of dependence on electronic devices are among modern people, especially the petty bourgeoisie. Keeping him completely isolated from his phone would be hell. Signal shielding is not feasible. Too much investment, legal risks, technical difficulties. Personal experience, taking an exam, the Can A Cell Phone Blocker Be Traced red light of the four antennas is flashing, there is no mobile GSM signal, China Unicom's WCDMA is full, and there is no obstacle to calling, texting, and surfing the Internet. Plus, you can't guarantee that a cell phone jammer's signal will only work in your store. Neighbors will complain to you if they are affected. If the host just wants to separate the guests from the mobile phone, get a shielded cabinet when entering, each small cell has a key, and there is no signal when the mobile phone is put in, which is all right. Or a signal jammer on the first floor, or an iron box sent by one person can be achieved. However, if the signal is blocked, the mobile phone will actively increase the transmission power, and the mobile phone may be turned off when you leave. But if I were the owner, I would encourage everyone to use airplane mode, and the store provides free wifi. Someone's cell phone rang in the store, and after answering the call, they had to sing a song for everyone before letting go...
