What is a jammer? These days, many people are asking the same question because of the continuous media coverage. In short, a cell phone jammer is a signal blocking device that can transmit the same radio wave band in the same frequency range as the device to be blocked, preventing the device from transmitting data internally.
A good phone jammer will get rid of your noisy phone and bring you peace and quiet. If you don't know what kind of jammer you need, visit jammer-mart.com, the website for professional phone jammer providers. There are many different types of mobile phone jammers here, and you will definitely find the product that suits your needs.
Many detainees continue to organize illegal drug trafficking within the prison walls. Mobile phones are a necessary means for prisoners to keep their drug organizations running and under strict control. By communicating with visitors, prisoners can organize the transfer of drugs and drugs, which allows them to continue their illegal habit of detaining them. Therefore, many prisons are equipped with high-power jammers to intercept cell phone signals in prisons to avoid continuing crimes.