precisejammers的部落格

　　Russia has jammed GPS signals around NATO exercises on more than one occasion, often from a base in Syria jamming large swathes of the Middle East. Spoofing GPS signals in Moscow and the Black Sea to trick receivers into reporting they are at airports miles from their actual location is well documented.

　　The United States has formally expressed concern about the recent surge of Russian troops and their activities on the Ukrainian border. Two U.S. Navy ships are reportedly heading to the Black Sea to monitor the situation.

　　How much cell phone jammer can block is not only related to its own signal strength, but also to the spacing between the communication base stations in the natural environment used. Another key reason is barriers. If it's metal, it's blocked right away; if it's a solid wall made of concrete, it's unlikely to penetrate. 10 times weakening; less weakening if it is sheet or glass material.

　　The Air Force is taking new steps to bring promising new technology to the weapons network in flight. In flight, co-targeting allows the weapon to use its advanced viewfinder to identify and pass on tactical details to other weapons so it can maneuver as needed. Recent tests of a small-diameter synergistic bomb that transmits data in flight have shown promising results and room for improvement. The Air Force tested the ability of air-dropped bombs to share purpose-sensitive data with each other in flight to customize attack specifications, locate GPS interceptors, and optimize the speed and accuracy of attack maneuvers.

　　Many public members buy signal jammers for anti-eavesdropping equipment, which is also a respect for our privacy. After all, eavesdropping equipment is something everyone can easily buy. Problems can easily arise if we do not take care to maintain our privacy. Especially for some enemies who hold company secrets, the company will give you some responsibility once they eavesdrop. After that, many achievements can only be undertaken by themselves and are not worth it.

　　Can you use a mobile signal jammer with an adjustable cutoff radius depending on your environment? Consider using a directional antenna to control the secondary radiation area of ​​the jamming signal. Are cell phone jammer in prisons low-power or high-power? I installed some WiFi jammers in the surveillance area. This is a way to check that out-of-range devices are functioning properly for interference effects. This is an important point.

　　A jammer is a product that can block the radio signals of mobile phones, GPS, WIFI, and other electronic products. In more detail, a mobile phone jammer that suppresses communication with a mobile phone or the like emits interfering radio waves in a frequency band opposite to that used by the mobile phone or PHS and reduces the radio wave conditions received by the mobile phone.

　　The security of wireless communication is questionable. In modern information technology, cell phone jammers are very important devices. Stop carrying cell phones Stop military training and activities. No military, major government agencies, or cell phones are used. Mobile jammers are very convenient. It is very convenient to use and can effectively achieve the effect of electromagnetic shielding. When in use, communication must be blocked in the air. Use as directed. Smartphones have pros and cons. This smartphone cell phone jammer can meet your confidentiality requirements. When the high-tech meeting is stopped, the cell phone signal in the meeting area can be prevented from being tapped. You need to be careful not to reveal information. Ensure that secret areas can be maintained and administrative information invalidated.

　　With the development of advanced technology, privacy flows out. Most people value their privacy. The development of GPS technology is very rapid. With the update and development of GPS satellite navigation and positioning, our smartphones already have GPS functions. However, you may be tracked. It caused considerable trouble for a large number of users.

　　There are many GPS tracking apps.

　　GPS navigation systems are becoming more and more popular today. Almost everyone uses it for business and professional purposes. So, almost everyone has a GPS navigation system installed in their car, how can they find their way to any place in seconds? GPS trackers are popular in mail and travel deliveries because they help them get to their destination faster. However, GPS navigation systems can sometimes compromise our privacy.

　　Planning allows you to consider all the details and make sure you have everything you need to get it installed right the first time. Planning also allows you to ensure proper backups are in place so that nothing goes wrong if any part of the installation process fails.

　　August 28, 2004, the United States - McGregor said: During the Iraq War, the Iraqis destroyed GPS navigation data, making it impossible for American cruise missiles, bombers, etc. to locate bombing targets.

　　GPS is a strategic tool. It was later confirmed that the Iraqis had used GPS jammers during the dust storm. Americans rely heavily on airborne GPS and radar surveillance systems, and sadly, all GPS navigation bombs fall off their targets.

　　What should I do if my child is addicted to chatting on mobile phones, and what if the child does not have a good rest and plays mobile games in the middle of the night? Generally, parents communicate with their children well, so that children can learn self-discipline. However, some parents reflect the actual difficulties, and the children are sometimes not so obedient. Can you buy a blocker for a few hundred dollars to prevent children from being addicted to mobile phones?

　　It is understandable to hope to purchase a home mobile signal jammer to interfere or cut off the mobile phone signal, thereby preventing children from surfing the Internet, but there are some points to pay attention to when using the mobile phone signal jammer.

　　If you always hear the prompt "The user you dialed is temporarily out of service area" when calling your friend's mobile phone, don't think that he must be in the remote signal blind area. Maybe he just turned on GPS jammers that blocked the signal and turned the phone off.

　　With the development of science and technology, smart phones have gradually replaced traditional PCs and penetrated into all aspects of people's entertainment life. From a single call function in the past, to today's integration of calls, text messages, photos, Internet access, listening to songs, and e-books, mobile phones not only greatly meet people's communication needs, but also meet people's entertainment needs. While promoting communication, it also shortens people's life distance, unintentionally widens people's emotional distance, unifies facial expressions, and dulls spoken language.

　　Today's children play mobile phones and surf the Internet from a young age, and are especially interested in games. Maybe as a parent, as long as you love to play, your kids will love to play too. But the child is addicted to playing, it is difficult for you to control it. It is not that you say that he will not play.

　　Some may not have the heart to beat and scold the child.

　　The GPS satellite positioning system is the most commonly used satellite positioning system in the world. Its predecessor is a "Meridian" navigation satellite system developed by the US military. Space satellite navigation GPS positioning system. After more than 20 years of research and experiments, costing 30 billion US dollars, by March 1994, the constellation of 24 GPS satellites with a global coverage rate of 98% had been completed.

　　The main functions that the GPS satellite positioning system can achieve in civilian use are:

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　　With the progress of society and the rapid development of the communication industry, especially the development of 5G technology, mobile communication has brought great convenience to people's lives, and it has also brought adverse effects on confidential places such as prisons, detention centers, and college entrance examination rooms. increasingly obvious.

　　In the past two years, the incident of candidates cheating through 5G mobile phones has a strong warning effect on the supervision system.

　　It might be a bit mystifying to some as to why someone might want to jam a GPS signal. However, there are those with a particular need for privacy, be it to massage their paranoia, keep law enforcement from engaging in warrantless car tracking, take an unauthorized lunchbreak with a GPS enabled company car, or a teenager not wanting their parents to track their GPS phone. Whether this is all legal or not is an entirely other question.

　　The basic purpose of a GPS signal jammer is to prevent GPS loggers from either receiving satellite signals, or sending signals back to their base station. Now, chances are, any GPS you will have contact with use the radio frequency set aside from civilian use.

　　GPS and other Global Navigation Satellite Systems (GNSS) circle the earth in medium earth orbit, which is around 12,550 miles above the ground – the equivalent of almost five trips from San Francisco to New York. Since those satellite signals are transmitted across such a great distance, they are pretty weak by the time they actually reach your device.

　　In a GPS spoofing attack, a terrestrial radio transmitter mimics GPS signals at a greater signal strength than the actual system can muster, effectively replacing real GPS signals with a fake signal. This used to be complicated, expensive electronics that only militaries could do. Today, it’s almost ridiculously easy to gain access to such a transmitter. A GPS jammers is available on the internet for around USD 100.

　　GPS jammers can also disrupt many communication systems, including the Tetra Airwave system used by emergency services. It transfers only one thousandth of the phone's charge. Jammers are readily available from Internet sources and cost only a few dozen pounds. Their impact on GPS-based security systems is severe.

　　They use them to disrupt tracking systems, thereby stealing vehicles and their valuable content. Jammer: A low-power radio transmitter that can overwhelm GPS reception at a range of tens of meters. This particular model also interferes with the mobile phone band. It blocks the data channel of any tracking system and disables mobile devices that can be used to call for assistance or track themselves using cell site analysis.

　　The most infamous GPS jamming event in history of GPS has to be the San Diego Airport disruption. A Single event brought the flight control room in the San Diego airport to its feet, wondering and panicking to as to what was really going on. ATM machines refused customers , the Harbor traffic management system was going haywire. All this because of a GPS jamming event. A clear indication that the GPS system does not just run your Sat Nav on the car, it does a lot more than that.

　　GPS is in a sense, is a silent force that powers the modern communication world. mobile signal jammer network service providers use GPS time signals to coordinate how your phone talks to the cell phone towers. Electricity grids turn to GPS for synchronization when they are connected together. Banks and stock exchanges use the GPS/GNSS for time-stamping transactions without which commerce would be rendered impossible.