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The principle of cell phone signal jammerThe shielding distance of the device has a great relationship with the power of the device and the use environment. There are several aspects that are helpful to the shielding effect: first, the output power of the device, second, the working mode of the shield, and third, the use environment (indoor or outdoor), The fourth is to shield the interference intensity of the surrounding...0 Comments 0 Shares 1K Views 0 Reviews
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Amplitec 2g 3g 4g 5g Wifi GPS VHF Bluetooth Security Mobile Cell Phone Signal JammerSignal jammer high power coverage 30-700 square meters. Support 12 Frequency Band Just You Customize. Easy to install. Harmless To Human Body. FCC/CE/SGS Certification How to install and use the signal jammer? -Step 1:Install the corresponding numbered antennas. -Step 2：Fix it directly to the wall or ceiling with screws at a height of 1-2 meters or put on the table or cabinet. （Note:Don't put...0 Comments 0 Shares 2K Views 0 Reviews
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Amplitec 2g 3g 4g Wifi Mobile Cell Phone Hand-held Car GPS Signal Blocker JammerAmplitec 2g 3g 4g Wifi Mobile Cell Phone Hand-held Car GPS Signal Blocker Jammer * Easy to block 20-400m2 coverage. * Portable Hand-held Signal Jammer For Car And Home. * Support 8 Frequency Band Just You Customize. * Three Kinds Of Power Supply Flexibly Using. * Harmless To Human Body. * FCC/CE/SGS Certification. Amplitec mobile cell phone signal jammer is used to block mobile phone 2g 3g 4g...0 Comments 0 Shares 3K Views 0 Reviews
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Can a cell phone signal jammer interfere with the base station signal?Cell phone jammers are familiar to everyone, but anyone who has ever taken a major exam has seen them and placed them at the entrance to the exam room. This is not a malicious signal blocking. On the contrary, this is an expression of fairness and providing a fair environment for candidates. However, most of the time, some people question whether it will affect the signal radiation of the...0 Comments 0 Shares 924 Views 0 Reviews
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Cell phone signal jammer protects examsLooking at ancient and modern times, at home and abroad, cheating has occurred in all examinations in the past. It is just that as skills improve, the methods of cheating are constantly updated and changed. Nowadays, with the development of technology, more and more people use mobile phones to cheat, which has become an issue that examination management departments pay more and more attention...0 Comments 0 Shares 866 Views 0 Reviews
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Does the 5G cell phone jammer have black and white list functions?The mobile phone is connected to the base station through radio within the frequency range, and the data, sound, text, image and other electrical signals to be transmitted are modulated on radio waves and transmitted to the other party. 5G mobile phone jammers emit electromagnetic interference signals whose carrier frequency is the same as the carrier frequency of the base station signal....0 Comments 0 Shares 928 Views 0 Reviews
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How to choose a cell phone signal jammer?There are all kinds of cell phone jammer and all kinds of machines on the market. Prices are also unstable. Maybe you've bought a cheap machine on a platform, but it actually didn't work. When buying mobile phone signal shielding, you can't care about the price, because buyers are useful. Otherwise, even if a useless machine is cheap, consumers will have no actual effect. When...0 Comments 0 Shares 720 Views 0 Reviews
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How to test the shielding effect of cell phone signal jammer?Before the cell phone jammer is officially put into use, it is not sure whether the cell phone signal jammer can meet the shielding requirements of the use site. Therefore, the shielding effect of the mobile phone signal jammer at the use site must be tested first, and then the mobile phone signal jammer can be determined. installation location and quantity. Before powering on the...0 Comments 0 Shares 887 Views 0 Reviews
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In this case, you can use a cell phone jammerAs a new technology electronic device, smartphones are very popular in today's society and are the main trend of social development. For most young people, unscientific use of it has caused many problems, so why use mobile phones and why should they be banned? What to prevent? Cell phone signal jammers can be used to prevent these problems, and cell phone signal jammers will be used in the...0 Comments 0 Shares 618 Views 0 Reviews
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Are signal jammers harmful to the human body?When the mobile phone is working, it is within a certain operating frequency range. The mobile phone and the communication base station are connected using electromagnetic waves, and information and sound effects are transmitted with a certain serial port baud rate and deployment method. For this type of communication principle, the signal jammer for cell phone passes from the low-end...0 Comments 0 Shares 697 Views 0 Reviews
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Do cell phone signal jammers need to be adjusted?Signal shielding is required in many places, but many people don't know how to install a cell phone signal jammer. Some people believe that signal jammers can be connected directly to the mains, while others believe that the frequency needs to be adjusted. It's hard to tell if a cell phone jammer is working, so let's look at how signal blocker works. 1. Adjacent channel interference....0 Comments 0 Shares 658 Views 0 Reviews
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Does a mobile phone signal jammer affect laptop wireless Internet access?If you want to understand the answer to the question of whether a mobile phone signal jammer has an impact on laptop Internet access, you must first understand the interference frequency band of the mobile phone signal jammer and the frequency band used by laptop computers to access the Internet. First of all, if the interference frequency band of the mobile phone signal jammer overlaps with...0 Comments 0 Shares 793 Views 0 Reviews
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How to block signals? Where can signal blockers be used?There are many occasions around us where the use of mobile phones is prohibited, such as examination rooms, offices, classrooms, factories, meetings, etc. In addition to handing over personal mobile phones to the security department for management in advance, signal blockers can also be used in these places. Mobile phone signals, Wi-Fi signals, and other network signals in special...0 Comments 0 Shares 663 Views 0 Reviews
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How to choose a 5G signal jammer?There are eight cell phone signal jammers on the market, as well as various machines. Prices are also unstable. Maybe you've bought a cheap machine on a platform that actually doesn't work. In fact, people who buy mobile phone signal jammers don’t care about their prices, because the main buyers must buy them if they are useful. Otherwise, even if a useless machine is cheaper, it will not...0 Comments 0 Shares 471 Views 0 Reviews
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How to choose a 5G signal jammer?There are various mobile phone signal blocking devices on the market, and there are various machines. Prices are also unstable. Maybe you once bought a cheap machine, but when it came time to actually use it, it was useless. In fact, when buying a 5G signal jammer, you don’t care about its price at all, because all major buyers can afford it. Otherwise, even if the useless machine is...0 Comments 0 Shares 685 Views 0 Reviews
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