Can Someone Block Your Cell Phone Signal Prevents Conversations From Being Recorded

Perfectjammer 2022/05/20

Watches, glasses and other types of recorders and listeners have always made it difficult to guard against, especially for businessmen who want to keep their trade secrets. For anti-recorders and listeners, we recommend that you use a well-concealed Can Someone Block Your Cell Phone Signal , which looks like a normal speaker, with a black case, and a big round speaker. When we carry it around or put it in a conference room, no one thinks it's an cell phone jammer - so convenient for us to prevent someone from recording the contents of an entire conversation. A cell phone jammer is a noise generator that blocks all kinds of digital and tape recorders. It emits voice band noise and sound interference, which interferes with listening, recording equipment. The normal connection of the recorder will be blocked and anything that is only recorded will not be recorded. noisy. If you play a voice file, you can't get the content of the conversation, or even distinguish who is the owner of the voice, a man's or a woman's voice.

In order to prevent students from not listening carefully to the class and secretly playing with their mobile phones, which affects their learning, many schools now install Can Someone Block Your Cell Phone Signal . What are the cell phone signal jammers suitable for school classrooms? What precautions should be taken when choosing a signal jammer? First of all, when choosing a mobile phone signal jammer, the most important thing is undoubtedly the shielding effect. The shielding frequency band should be able to cover 2G/3G/4G/VHF/UHF/2.4GWIFI/5.8GWIFI and other frequency bands, and at the same time have stability. Secondly, because the mainstream mobile phone signal jammers on the market do not have strong wall penetration ability, the mobile phone signal jammers suitable for school classrooms are generally installed in the classroom, so they must be able to cover the entire classroom. Then, in some places in the classroom, the effect of shielding the mobile phone signal will not be achieved.

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