Block Private Calls On Cell Phone Improves Prison Preparedness

People often ask on the Internet whether prison inmates can use mobile phones? The answer is of course no. First of all, prisoners use mobile phones to increase their sentences. Second, in order to prevent prisoners from communicating with the outside world, the current prisons and detention centers will install Block Private Calls On Cell Phone , which can also improve prison technology prevention capabilities and strengthen prison technology management. level, promote the construction of digital information prisons, and promote the harmonious and stable development of prisons. Prisons are different from conference rooms, courts, examination rooms, etc. Once a cell phone signal jammer is installed, it is required that the device can operate 24 hours a day, and this is the case all the year round, which is very high for the performance, quality and power supply of the cell phone signal jammer. requirements. In terms of appearance, it is absolutely impossible to choose a mobile phone shield with an external power adapter. Why do you say this? Because this kind of power adapter cannot withstand 24-hour uninterrupted use, although the price is indeed cheap, but you can't use one or two. It will be completely broken in a month, and if it is repaired, it will have to be dismantled and sent back to the manufacturer, so this is a waste of funds, manpower and material resources, and it will also create opportunities for the prisoners to make trouble.

Now is the time. In the case of large and medium-sized examination questions, the school must use the test Block Private Calls On Cell Phone to prevent students from cheating on their mobile phones. Therefore, the school needs to install some test cell phone jammer around the classroom before the test, but the school buys it. Which mobile phone jammer should I buy? If you are the person responsible for the purchase of the school, pay special attention to the following points: Is there a communication base station around the school. In the process of engineering construction, we often see customers tell everyone that the mobile phone signal jammer will have practical effects. 2G3G can be shielded, in other words, the data signal of voice calls can be shielded, but the data signal of 4G cannot be shielded. In fact, the electric power of each mobile phone signal jammer is different. Generally, the output power of 4G1 and 4G2 is around 2W, in other words, 33db. If there is a communication base station within 200 meters, such a device, that is, 4G data signal shielding. It will also happen, and customer feedback will have actual results.