Due to the problem of radio interference of GSM mobile phones, GSM mobile phones operate in TDMA mode, and radio frequency transmission and reception cannot be performed at the same time. The basic principle of RF mobile phone interference reduction is to strengthen matching and isolation. In the design, please Continue Reading
School
Can the signal jammer pass through the wall?
Nowadays, many schools are busy preparing for the examination room. This is because the most important exam of the year, the college entrance examination is about to come. In the face of this most important exam, many schools are actively preparing what they need to arrange the exam soup, ensuring Continue Reading
How to choose the four points of the signal shielding instrument
There are many types of signal jammer devices available on the market, how should we choose? Let’s learn about it with the editor of signal shielding device manufacturers: Let’s start with the function. For example, you have to choose which signals to shield. Currently there are 2G, 3G, 4G, 5G mobile phone Continue Reading
What is the importance of cell phone jammers in prisons
With the continuous development and popularization of mobile phones as mobile communication tools, and the continuous improvement of the technical level of mobile communication tools for humans, especially the promotion and application of 3G and 4G technologies, it is useful for prisons, labor camps, detention centers, drug rehabilitation centers and Continue Reading
Detailed explanation of the technical advantages and product characteristics of 4G mobile phone signal jammer
Advantages of existing technology of cell phone jammer (1) The new mobile phone signal jammer can already achieve the IMSI number obtained in the 4G mode, which does not disturb the people, does not interfere, and is green; (2) Which floor in that area has a mobile phone violation alarm, that Continue Reading
Can a mobile phone signal jammer interfere with the base station’s signal?
Cell phone signal scramblers are familiar to everyone, but everyone who has taken a major planning exam has seen them and put them at the entrance of the exam room. This is not a malicious blocking signal. On the contrary, this is a performance of maintaining fairness and providing a Continue Reading
The cell phone shielding system used in prisons is different from general civilian use
1. The area, scope, and building structure used by the two are different? 1.1 The prison shields the surrounding environment of the building (distance from other unshielded buildings and building structures), so the use area, range, and floor structure of the prison are shielded to ensure that the shielding area Continue Reading
UAV jammers play an important role in the security of government confidential information
The anti-reconnaissance management of the Guangzhou Municipal Government has been continuously upgraded, this time it is fully equipped with a drone jammer system. According to the current situation of many unmanned aerial vehicles flying everywhere, I also want to solve the problem of security in some controlled areas, which is to let Continue Reading
What should I pay attention to when installing a mobile phone signal jammer?
Of course, in this information age test and examination, the participation of mobile phone signal jammers is essential: at least with mobile phones, this kind of cheating is impossible, at least not on mobile phones. What kind of equipment is that? The final exams for each school are about to Continue Reading
High-power multifunctional jammer with adjustable distance
People do not have the same interference distance requirements for signal jammers under all conditions. Sometimes they only need a small interference range, such as only 1 meter, but sometimes they also need a strong interference distance, which actually depends on the need. People are in different situations. Therefore, many Continue Reading