In the information age, communication technology develops rapidly, and mobile phones have become an indispensable tool in people's daily work and life. However, the widespread use of mobile phones has also created some problems that cannot be ignored, mainly: 1. Mobile phones have become a new channel for leaking secrets. Cell phone jammers can provide necessary security protection...

There are several ways to test the effectiveness of cell phone jammers in the examination room. Among them, the simplest and most effective method is to directly test the power, shielding range and other data of the signal jammer in the examination room through a spectrum analyzer. If you do not have professional electronic equipment, you can also use multiple mobile phones,...

We often encounter customers asking us questions: Can your products block cameras? I need to buy a Wireless Signal Jammer to block surveillance cameras. When we encounter such a question, we really can't give an answer immediately. We must first ask the customer: the target object you need to block, that is, the surveillance camera, how is the signal transmitted between it and the main control...

All customers who have purchased a wireless signal blockers are very concerned about the actual shielding effect of the shielding device when they perform a power-on test after receiving the product. Different customers must have differences due to the testing environment, testing methods and testing times. The cell phones used are also different, so the test results fed back will be...

Many customers hope that the 5G signal jammer they purchase has the function of penetrating walls. They even hope that the 5G signal jammer can directly penetrate the interference signal through two walls and still maintain sufficient strength. So, can such expectations be realized? This requires distinguishing the material of the wall. If the interference signal of the 5G signal...

It is a key device that has been frequently used in major examination rooms recently. I believe many people should know the true function of this device. It is a key device that has been vigorously promoted in school examinations and can effectively eliminate and prevent candidates from cheating. , that is today’s protagonist: cell phone signal jammer. There are now less than 100 days...

1. What is a GPS jammer? The GPS signal jamming system is designed to suppress the signals of the global satellite navigation GPS system in the 1500-1600MHz range. Jammers make it impossible for GPS satellites to monitor the location of cars and all vehicles via GPS, and gps jammer devices will not interfere with cell phones and other devices. The GPS jammer range can be from 5 to 15...

Instructions for use of 5G high-power cell phone signal blocker system: 1. For the HA-1000H high-power cell phone blocker, first confirm the location of the communication base station, find a high point and fix the output port of the machine downward (to prevent rain), and fix the antenna on the top or sides of the machine with poles. Turn your back or side to the base station and let the...

A mysterious shadow that has been active in many examination rooms recently. I believe that many people still don’t know its true identity. It is a good partner that has been vigorously developed in campus size tests and can effectively prevent fraud - Cell phone signal jammer. Now is the time for the college entrance examination, and many universities are looking for a batch of...

Recently, we have often received inquiries from some customers who want to buy a suitable wireless signal jammer from us. The purpose is also very clear, which is to block surveillance cameras. Usually when we encounter such a demand, we will directly refuse it. . So the question is, can’t the wireless signal jammer we produce block surveillance cameras?Here, as a professional...