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Customers who purchase telephone jammer will have many problems. For example, if the telephone jammer is purchased, what should we do if the machine is damaged after a certain period of time? The telephone jammer produced and sold by your company is maintenance free. When the telephone jammer is reused, it should be stored in a ventilated and dry place to avoid long-term exposure to salt mist and ...
Prison is signal jammer specially used for signal jamming in open field environment or large area, such as prison, sentry box, playground, factory, workshop, canteen, etc; In the open field, the hoop can be installed on the pole; The installation height is recommended to be 3-15m. You can choose to shield the mobile phone signal with high power The high-power trailer type signal jammer can b...
Mobile jammer test report. The test items of the shield include appearance test, enclosure protection grade test, shielding signal function test, leakage current test, electrostatic discharge interference test, etc. The test report of the shield is complete The installation position of the mobile jammer is also arbitrary according to the site environment. If there is a ceiling or a mo...
Power of high power signal jammer: power from equipment itself, antenna radiation (antenna gain, length, etc.), The shielding effect of indoor and outdoor highpower jammers is different: the generation, attenuation coefficient and reflective surface of cell phone signal and jammed data signal in the room are different Before interference, the compressive strength and quality of mobile phone signal...
The interference range of portable jammers varies according to the power of products. The interference radius of high-power portable jammers used in prisons can reach hundreds of meters, while the radius of low-power portable jammers suitable for examination rooms and meeting rooms is generally 1-10 meters, depending on the signal strength nearby and the distance of the base station. ...
Over the years, radio jammer have been used in various examinations in schools. When the radio jammer is started, what is the reason why the mobile phone signal is displayed? 1. There is a display signal on the mobile phone screen. When making a call, the mobile phone can still be used normally with good call quality and will not be affected. In this case, it is possible that the radio...
In order to achieve the comprehensive defense of UAVs, it is important to specify a comprehensive handheld jammer defense plan. In the early stage, we must fully communicate and understand the needs, conduct field surveys, recognize the problems of the site and the surrounding environment, and adopt a multifaceted scheme that combines a variety of equipment, such as handheld jammer anti gun, fixed...
With the development of signal jammer for decades, there are many kinds of jammers, which have different classifications in terms of power, types of jamming signals and jamming directions. Here, we focus on an important sub category of signal jammers: conventional low-power signal jammers. With the widespread application of mobile communication terminals, that is, mobile phones, low-power signal j...
The principle of the mobile jammer is to transmit signals of the same frequency band as the signal base station through some shielding equipment, so that the communication equipment within a certain range can receive invalid signals transmitted by the jamming equipment and cannot receive effective signals transmitted by the signal base station, so that the signals of terminal communication equipme...
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