• Jun , 30 2023

The vast majority of phone jammer adopts a relatively enclosed shell design, because manufacturers consider various application environments, such as indoor, outdoor, or mobile use, for easy transfer. The accompanying antennas also adopt the form of built-in antennas. Many years ago, the method of designing an external antenna, that is, the antenna is directly screwed onto the body of the phone ja...

• Jun , 30 2023

Every time during the college entrance examination, middle school entrance examination, or College English Test Band 4 or 6, the signal jammer, as an important tool to maintain exam fairness, ensure exam stability, and prevent candidates from cheating, will operate throughout the entire exam process. However, there are still a small number of people who, out of personal desire, attempt to avoid th...

• Jun , 25 2023

After the portable signal jammer is installed, the portable signal jammer and WIFI signal will be interfered, which will cause the portable signal jammer to temporarily lose the function of answering and making calls, and also unable to surf the website, watch videos, play online games, etc. Once the portable signal jammer is turned on and working, how can it counter interference? From the perspec...

• Jun , 25 2023

A standard portable jammer device requires simultaneous and effective shielding of all 2G, 3G, 4G, and 5G frequency bands. Therefore, there are generally no less than 10 portable jammer  device modules installed inside it, with each interference module corresponding to a handheld frequency band. In conventional portable jammer devices, which frequency band modules are interchangeable and adju...

• Jun , 25 2023

As an important tool to prevent illegal invasion of drones, drone shielding machines are undoubtedly the preferred equipment. However, there are various types of drone manpack jammer emerging one after another, and the distinction and difference between them is not only in terms of appearance, transmission power, manpack jammer distance, etc., but also a particularly important classification basis...

• Jun , 16 2023

What kind of environment can we maximize the effectiveness of signal blockers in? Why do smart jammer in some places not work well or have poor shielding effects? In fact, this is closely related to the electromagnetic environment around the location where the smart jammer is used. In what situations will the shielding effect be relatively poor? 1. The environment where the smart jammer is used is...

• Jun , 16 2023

In recent years, the demand for mobile phone jammer in vehicles has greatly increased, especially in high-power models, which have been favored by police departments. However, in the process of equipment selection and delivery, during the vehicle modification and equipment integration stages, there is always a problem that makes people particularly puzzled: the consideration of concealment during ...

• Jun , 16 2023

What is the change of shielding effect of Mobile phone jammer in the examination room after long-time operation At present, more and more places need to use Mobile phone jammer in the examination room, such as the use in the school examination room (to prevent examinees from cheating), the installation of student dormitories (to prevent excessive addiction to games), and the prison Detention cente...

• Jun , 10 2023

In recent years, the demand for vehicle jammer  in vehicles has greatly increased, especially in terms of high-power models, which have been favored by police departments. However, in the process of equipment selection and delivery, during the vehicle modification and equipment integration stages, there is always a problem that makes people particularly puzzled: the consideration of concealme...