The Importance of Prison Cell Phone Signal Jammers

In certain special locations such as prisons, detention centers, interrogation rooms, and courtrooms, the use of prison cell phone signal jammers is often necessary. These devices are designed to block unauthorized cell phone signals within their vicinity, ensuring security and preventing potential threats. There are two main types of prison cell phone signal jammers available in the market, each with its own unique features and installation requirements.

Types of Materials:

Prison cell phone signal jammers are primarily available in two different materials: metal casing and plastic casing. The metal casing variant usually comes with an external antenna. Therefore, when using this type of jammer, it is crucial to first screw in the antenna. However, it is important to note that the antenna should not be randomly screwed on. It must be ensured that the machine interface and the antenna interface have matching labels before screwing it on. Failing to do so may render the jammer ineffective and could potentially damage the device. On the other hand, the plastic casing variant of the jammer typically has an internal antenna, eliminating the need for additional installation steps. Once the antenna is installed and the device is plugged in, it is ready for operation.

Installation Guidelines:

When installing a prison cell phone signal jammer, it is recommended to securely mount it on a wall at a height of 1.8m-2.5m from the ground. The antenna should be positioned vertically, facing upwards. It is important to ensure that there are no obstacles obstructing the jammer’s signal, as they can significantly reduce its effectiveness. Therefore, it is advisable to place the jammer in an area with minimal obstructions.


Prison cell phone signal jammers play a crucial role in maintaining security and preventing unauthorized communication within sensitive locations such as prisons and courtrooms. By effectively blocking cell phone signals, these devices help to ensure the integrity of legal proceedings and prevent potential threats. When installing a prison cell phone signal jammer, it is important to follow the manufacturer’s guidelines to ensure optimal performance. By adhering to proper installation procedures, these jammers can effectively fulfill their purpose and contribute to a safer environment in these special locations.