The signal blocker used in prisons is a device used to block wireless communication signals. It is mainly used in prisons and other supervision facilities. These devices prevent inmates from communicating using cell phones, Wi-Fi and other wireless devices inside the prison.
The working principle of the signal jammer is to interfere with the normal operation of wireless communications by emitting interference signals. It will emit certain electromagnetic signals so that wireless signals from outside the prison cannot reach or be received, thus preventing wireless communications within the prison. This can effectively prevent prisoners from illegally communicating with the outside world, planning criminal activities or other violations.
The purpose of using signal jammers in prisons is to maintain prison safety and order. By restricting prisoners' wireless communications, you can prevent them from continuing to participate in criminal activities, contact outside accomplices, or organize escape operations. This helps keep people safe within prisons and prevent and respond to crime.
However, there are some considerations with the use of signal jammers. For example, a jammer may have an impact on normal communications in surrounding areas, so it is necessary to pay attention to adjusting and limiting the shielding range when deploying the device to ensure minimal interference to communications of surrounding residents and commercial activities.
In addition, the use of signal jammers also needs to comply with local laws and regulations to ensure that they are legal and compliant. Different countries and regions have different regulations on the use of signal jammers for cell phone, which may require special licenses or follow specific procedures and restrictions. Prison administrations should strictly adhere to these regulations and ensure that the use of signal jammers is carried out within a reasonable, transparent and safe framework.