Are There Cell Phone Cases That Block Radiation For Office To Prevent Recording

A cell phone jammer is an anti-eavesdropping device that prevents criminals from secretly carrying a voice recorder or using a cell phone to record. Are There Cell Phone Cases That Block Radiation Suppress the operation of the recording equipment by means of ultrasonic interference signals. If you are bothered by the convenience of recording, you can use the recorder's cell phone jammer to protect yourself from being overheard and recorded by many types of recording devices. You can use the cell phone jammer as a desktop device in the office, or in any place where you need to block recordings. The mobile phone signal blocker is suitable for confidential conference rooms, public security bureau petition centers, procuratorate reception halls, courts, negotiation rooms, offices, etc. Any place where private conversations take place. When you are in a meeting and it is inconvenient to disclose the content of the meeting, you can use a mobile phone signal jammer to help you get all the equipment you want to record. You need to turn on the switch button, and the mobile phone signal jammer will emit ultrasonic interference with noise. Use With our self-developed ultrasonic noise-banding algorithm, the microphones in digital devices such as mobile phones and voice recorders will be affected by mobile phone jammers, thereby burying the sound of normal conversations in random noise, and the post-recording processing algorithm is also difficult to restore. The content of the conversation is protected from disclosure at the source.

In order to prevent students from not listening carefully during class, they carry mobile phones and play with mobile phones secretly, which affects their learning. Some schools will try to block the mobile phone signal in the classroom, how to block the mobile phone signal in the school classroom? The most common way is to use Are There Cell Phone Cases That Block Radiation . The mobile phone signal blocker can block all 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals under the three operators of China Mobile, China Unicom and Telecom. Its working principle is to interfere with mobile phone receiving base stations and wireless routers through its own frequencies. The frequency emitted, so as to achieve the purpose of shielding them.