Best App To Block Cell Phone Calls Is Universal App
As we mentioned above, Best App To Block Cell Phone Calls is very versatile and is often found in schools, for everyday teaching or for large exams. Specifically, because many teachers are tired of trying to stop students from messaging, playing games, and surfing the Internet because verbally blocking it doesn't work. Some students still use cellphones secretly, ignoring teachers' lessons. In the exam, in order to get a high score, I will do everything I can to get the answer. It used to be a note, but now you can check it on your mobile phone, and the same type or the same question will appear on the page, and the correct answer will be given. The answer is that this is a very bad phenomenon for students.
It is necessary to use cell phone jammer in school. At least, students can study hard and use their own strength to take the exam. Even if the results are not as good as they should be, they are their truest selves. The school uses an older model Best App To Block Cell Phone Calls It can only block the old number segments of PHS, China Mobile, and China Unicom, such as Singtel Tianyi 186, China Unicom Wo number segment, and mobile td-scdma number segment cannot be blocked! Simply put, all PHS numbers with Unicom and Mobile numbers starting with 13 15 can be blocked! Will not be blocked in early 18! Because the working principle of the school's mobile phone blocker is to block the mobile phone by interfering with the mobile phone signal in the designated frequency band, so long as the mobile phone's sending and receiving frequency is modified, it can be prevented from being blocked.
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