• Dec , 02 2022

There are many kinds of cell phone signal jammer. However, the multi band examination type mobile phone blocker in its core component is indispensable. After assembling several frequency band examination type mobile phone signal blocker modules, it is a very important step to accurately adjust the center frequency point, frequency offset and bandwidth of each module.   Ten years ago, there we...

• Dec , 02 2022

To build a signal jammer, you can determine how many frequency bands to build according to the WiFi frequency distribution on the site.  If the field requires that the shielding range of the mobile phone is relatively small, with a radius of about 10-20 meters, then the module of the low-power jammer can be used, which can basically meet the field interference requirements. Of course, it depe...

• Dec , 02 2022

In recent years, many intermediaries and some business negotiation places have installed and used mobile jammer. Why are these places keen on mobile jammers.  The common points of these occasions are that the space is relatively small and closed, the privacy is more important, the content of conversation is more private, and the number of participants is small. Due to these characteristics an...

• Nov , 26 2022

The 5G electronic jammer is selected according to the signal type, output power and equipment shape.   The 5G electronic jammer is used in a variety of test venues, courts, detention centers, international conference center rooms, government departments, the military and other venues where mobile phones are strictly prohibited. How to choose a suitable electronic jammer? Considering from the ...

• Nov , 26 2022

High power portable signal jammer module. The module adopts digital frequency synthesis technology, and the module frequency stability and accuracy are improved to the same level as the reference frequency, and fine frequency regulation can be carried out in a wide frequency range. The DDS signal generator system of high-power portable signal jammer takes STC89C52 chip as the core control, realize...

• Nov , 26 2022

There are some precautions for the selection of portable jammers in the standardized examination room. First, the standardized examination room refers to the examination room with an area of less than 100 square meters and no signal base station within 500 meters, and the metal shielding in the examination room will not affect the shielding effect of the portable jammers. Then the selected equipme...

• Nov , 18 2022

The high-power mobile network jammer required for explosive removal is very strict, which ensures that the high-power mobile network jammer can achieve zero error in use, can perfectly complete the arduous task assigned by the superior, and has extremely high requirements for high-power mobile network jammer without casualties.  Transmission power of RF module: The larger the transmission pow...

• Nov , 18 2022

It is unrealistic to turn off the BTS signal if the mobile phone cannot communicate. Another way is to shield the mobile phone. As long as the jamming device is started in a specific occasion, it can be within a certain shielding range and the mobile phone cannot contact the outside world. In some cases, the jamming equipment is started, but the 5G signal still exists. Whether the on-site jamming ...

• Nov , 18 2022

The vehicle jammer is used at the explosion/bomb removal site: to prevent wireless detonation, car bombs, remote control bombs, etc., and to avoid unnecessary casualties; In case of emergency, the vehicle jamming function can quickly arrive at the scene, block communication signals and control public opinion rumors; It is used for the transport of heads of state/VIP guests or military convoys to k...