Laws and prison regulations around the world prohibit inmates from owning cell phones and using them without permission. Even so, there are still many prisoners using cell phones in prisons. In a prison in the United Kingdom, there are 1,200 prisoners in the prison. In 2015, more than 1,000 mobile phones were confiscated, which is equivalent to one per prisoner. So at this time, cell phone signal blocker are needed to ensure prison security, and mobile phone jammers have become a necessity in prisons.

More prisons are aware of the threat to the public and guards due to the illegal use of cell phones by inmates. Recent cases have shown that prisoners in possession of illegal cell phones can use the device to deliver contraband to the prison system. To make matters worse, many inmates use cell phones to coordinate and execute retaliation plans against witnesses and correctional officers, and to develop escape plans. Prison signal jammer are increasingly becoming a security requirement in prisons, prisons and detention centers.

Recently, a felon who was sentenced to life in prison shocked society when he used his mobile phone to direct an out-of-prison gangster killer to kill a man who cooperated with the police. Today, the biggest headache for American prison managers is not weapons, nor drugs, but mobile phones. More and more prisoners have begun to use smuggled cell phones to conduct illegal activities in prisons, and even contact the outside world to conspire to escape. Mobile phone smuggling has now surpassed drugs in the prison black economy and has become a veritable "big brother".

As an important place for criminals, the security of prisons is very important. These places are usually staffed with many police dogs. Police dogs can help managers search prison security and contraband, ensure the safety of prisoners, and manage public safety. prison. Using traditional police dogs to help prison officials find their phones, they confiscated them from toilets, stormwater networks, and even our shoes. Someone ripped off the back of the slipper, put it on the phone, and put it back. Most of the time, prisoners hide their phones in an awkward or ordinary place for everyday use. , but also very effective. For prisoners who have mobile phones to communicate with the outside world, professional wifi jammer can also be used. A cell phone jammer is an electronic device that blocks signal transmission between a cell phone and a base station. By using the same frequency as a cell phone, cell phone jammers can cause strong interference with communications between callers and receivers. Effectively prevent signal transmission from UMTS, 3G, CDMA, GSM, PHS and other networks.

Cell phone jammers in prisons have become an indispensable tool in the arsenal of tools needed to detain prisoners. Cell phones are getting smaller every day, and prisoners can smuggle them into prisons. That means tougher work for already overworked correctional officers, but cell phone jammers are a solution to limiting inmates' use of their phones for potentially dangerous activities. The use of cell phone jammers may also force prisoners to use prison-approved/monitored phone lines.

Prisons are places for criminals. It is important that there may be terrorists or criminal groups, as they should be prohibited from communicating with the outside world and should not be allowed to communicate with the outside world using mobile phones and other electronic devices to prevent them from posing as a threat to prison security. Our gps tracker jammer are ideal for housing cells, detention centers, or other small facilities that don't require large coverage areas. We don't have time for excuses or delays in taking strong action against people who become prisons in areas where criminals and criminals feast. We can expect the highest level of peaceful living above the majesty of order, law and justice.