Cell Phone Case With Microphone Block Slows Internet Speed
The cell phone jammer will scan from the low end of the channel to the high end at a certain speed during the working process. This scanning speed will cause garbled interference in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent by the base station, so that the mobile phone cannot establish a connection with the base station. The mobile phone manifests as the phenomenon of searching the network, no signal, no service system, etc. Cell Phone Case With Microphone Block , its essence is to implement electromagnetic interference to the wireless network, so that the mobile phone cannot access the network, cannot receive the signal from the mobile network, and cannot send information through the network. During the college entrance examination, the call quality of mobile phone users around the test room will also be affected by cell phone jammer , or there may be problems such as no signal, frequent call failures, inability to connect, intermittent calls, and slow Internet access on mobile phones.
The school examination room 2G 3G 4G Cell Phone Case With Microphone Block , the newly upgraded full-band mobile phone signal jammer is a high-tech product carefully researched and developed by our factory using foreign advanced technology and aiming at the continuous development of communication standards. About the actual situation of mobile communication at home and abroad. It can work within a radius of 1 - isolate GSM/CDMA/AMPS/DCS/PHS/3G/4G/mobile phone signals within 30 meters, so that the mobile phone cannot send and receive text messages, but it will not interfere with the work of other electronic devices, thus The safety of the required place is ensured, and the mobile phone can be used after leaving the isolation area without any harm to the human body.
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