Before the cell phone signal jammer is officially activated, the shielding effect of the cell phone signal jammer must be tested first, so that the installation location and number of cell phone signal jammers can be selected. First, preset the installation location of the cell phone signal jammer, and place the cell phone signal jammer on the desktop, generally placed in the front...

We have to go through many examinations, including the junior high school entrance examination, the college entrance examination, the postgraduate examination, the CET-4 and CET-6 examinations, various qualification certificate examinations, and the annual civil service examination, etc. In the examination room, the most common examination room auxiliary equipment is the cell phone signal...

To know whether the cell phone signal jammer will interfere with the ZigBee signal, you must first understand what the ZigBee signal is. Zigbee technology is a wireless communication technology used in short distances and low rates. Zigbee was previously known as "HomeRF Lite" and "FireFly" technology, and is collectively referred to as Zigbee technology. It is mainly used for data...

In prisons, detention centers and other places of supervision, mobile phones and other communication tools are prohibited from being brought into the supervision area. Once a mobile phone is brought into the supervision area by some lawless elements through unknown means and put into use, it will bring great harm to the management, safety and development of the supervision area. Because of...

In some places where the use of mobile phones is restricted, the most common operation method is to install a cell phone signal jammer. However, there are always a small number of people who think about how to crack the cell phone signal jammer so that their mobile phones can be used normally. So are the methods of cracking the cell phone signal jammer searched online reliable? If you want...

Before the cell phone signal jammer in the conference room is officially activated, the shielding effect of the cell phone signal jammer in the conference room must be tested first, so that the installation location and number of cell phone signal jammers in the conference room can be selected. First, preset the installation location of the cell phone signal jammer in the conference...

As we all know, cell phone signal jammers are composed of many interference modules with different frequencies, and the frequencies between these interference modules and antennas must correspond one to one. So why should they correspond one to one? If they do not correspond one to one, what problems will there be? The interference modules of cell phone signal jammers are divided...

First, the cell phone signal strength from the base station to the use site What is cell phone signal strength? It is the signal strength emitted by the base station. The closer the distance to the base station, the stronger the cell phone signal from the base station to this place. Then, in different places, the signal received by the mobile phone is not always the same. Everyone should have...

The use of cell phone signal jammers in examination rooms is now basically standard, and it is common and not surprising. When you enter the examination room, you will also find a common device, that is, a radio-controlled clock. Radio-controlled clocks, as the name suggests, are clocks that display time, but radio-controlled clocks are not simple clocks. Radio-controlled clocks are...

Before installing the conference room signal jammer, it is necessary to test the shielding effect. First of all, when it comes to conference rooms, they are generally divided into three types: small conference rooms, medium-sized conference rooms, and large conference rooms. Before installing the conference room signal jammer, the test methods for these three types of conference room...