Cell phone jammers to prevent the outside world from interrupting communication

What do you do when you receive a harassing call? In the survey, 61.9% of respondents directly disconnected and did not talk to each other. 48.4% of the interviewees chatted briefly and then hung up the phone; 33.2% of the interviewees would block their phone number; 23.3% were angrily condemned to stop harassing themselves. 11.9% reported phone numbers. For all kinds of harassing calls, some people will ignore them. "No matter what kind of phone annoys you, you just say that you don't need it and then hang up the phone. This is the best way. They said a few words, but they think you need it. This service., Tell you It can be very troublesome. Don’t hang up after calling back regularly, it will cause more trouble. “Some people usually answer the phone, and then they hear a sales call or something, say no, and then hang up. But some of them are scam calls, even if you hang up, they will always call you back. This greatly affected our communication. Next time you can turn on the cell phone jammer before you start a conversation to prevent the outside world from interrupting the communication.

When it comes to weak cell signals, students and teachers are not alone. This year, most of the country's 273.8 million mobile phone users will experience poor cellular connectivity at some point. However, schools may be more sensitive to poor or unreliable cell signals than other buildings. According to a report by the Green School Center, as of December 2017, 2,000 K-12 schools have obtained LEED certification. This is an important milestone, especially for the use of renewable energy and low-grade materials on site. Emissions to save taxes and improve efficiency. The wrong side? In many LEED-certified school buildings, energy-saving windows, foam-infused insulation materials and metal structures are used, which are also very effective in preventing incoming cell signals. For schools built in new communities or rural areas, the distance to the nearest cell phone tower (not to mention natural and man-made obstacles) can also affect the building signal. It is also possible that someone on campus is maliciously using cell phone jammers, which affects students' cell phone signals.