Category: Tags GPS

GPS is a frequency range used by navigation satellites to track the location of land, water and aircraft with GPS tracking equipment installed. The GPS frequency range has five frequency bands, but only three frequency bands are available for civilian use-L1, L2 and L5. GPS is the most extensive tracking spectrum (developed and widely used in the United States). In this category, you will find several GPS jammers (anti-tracking devices) that will help you protect the privacy of your vehicle or any other place.

Are portable radio frequency jammers as effective as bomb jammers?

The portable radio frequency jammer is built in the towing box and can carry out radio frequency interference. This portable radio frequency jammer can be used as an IED jammer. This means it can beat cellular IED, satellite phone IED, mobile IED or radio IED. It is also known as a portable jammer, which attacks the radio trigger used to activate the remote control IED.

2G 3G 4G 5G phone jammer

Question: Are portable radio frequency jammers as effective as bomb jammers?

Answer: It depends on several factors. Many manufacturers claim how their portable radio frequency jammers will use their interference methods and the interference methods they use. Although we did not explain in detail how portable radio frequency jammers such as portable jammers participate in countering improvised explosive devices to the public, we can disclose open source information.

These factors are the interference methods used by portable radio frequency jammers; the spatial factors of the radio transmitter related to the radio receiver and the characteristics of the knock signal related to the specific frequency used by the RCIED.

Application of military jammers in various fields

The role of drones in interfering with war

The jammer usually causes the drone to perform a vertical controlled landing or return to its starting point-the default action for most drones to lose communication-“to assist in the investigation to determine the pilot,” the company said.

It shows the existence of Mi-8MTPR-1 helicopters in Crimea, equipped with Rychag-AV jamming stations, making these aircraft powerful weapons for electronic warfare operations. One of the main ways Russia adopts these systems is to deal with air defense systems and complexes by reducing the mute of its radio signals and the efficiency of UAV jammers. The results of a survey conducted by Ukraine in March this year showed that in 2016, Russia deployed such helicopters on the territory of SMD and the Western Military District (WMD).

The radar jammer forces the drone to land or return to the drone operator immediately, which means it can protect personnel and infrastructure assets from drone attacks.

The weapons being developed or the arsenals of China, Russia and the United States are undergoing various space arms races. Space weapons include satellite jammers, lasers and high-power microwave gun systems.

Experts say that the biggest threats seen today are non-kinetic threats, such as jamming satellite-based capabilities such as GPS and communications. And the threat is not limited to aerospace countries, because satellite jamming technology is relatively cheap.

gps car signal jammer

North Korea has used ground gps signal jammer in the past to affect military and civilian aircraft and ships. Harrison said there is evidence that insurgents in Afghanistan and Iraq also used interference.

Russian media claimed that the technology developed by the Russian military can neutralize opponents’ aircraft, ships and missiles within a radius of 5,000 kilometers. Vesti News first reported on April 14 that a Russian fighter plane had successfully tested the electronic jamming device on a US warship, the Black Sea destroyer Donald Cook.

Overflying drones brings security risks anti-drone systems become the main force

The development of unmanned aerial vehicle technology has threatened the safety of many fields, especially some indiscriminate flying drones, which has brought security risks to important places such as airports. In order to be able to effectively prevent the occurrence of dangers and to effectively solve the interference of drones, Beijing Shenzhou Mingda Company has made great efforts to develop anti-UAV defense systems to protect safety and privacy in various fields. As an expert in anti-UAV systems, Beijing Shenzhou Mingda has developed various types of anti-UAV products, which are applied in various fields and scopes, and become the main force in combating unmanned aerial vehicles.

handheld drone jammer light

It is understood that the Greatjammer drone jammer mainly uses signal infection technology. Through advanced interference technology, the signal between the drone and the operator is blocked, and the data transmission is cut off to ensure that information is not leaked. Not only that, the Beijing Shenzhou Mingda counter-UAV system can also detect commercial small UAVs, and use signal interference technology to locate the invading UAV in mid-air, and at the same time, change the UAV’s route and target. Drive them out of defensive airspace, or prevent other UAVs from entering the airspace over areas that are prevented and controlled by counter UAV systems. The most important thing is that Beijing Shenzhou Mingda has continuously upgraded its drone technology during its development process. No matter what kind of drone it is, it will be detected by the Beijing Shenzhou Mingda UAV countermeasure system and be effective. Interference, there will never be any slipping fish. As the industry’s leading manufacturer of UAV countermeasures, Beijing Shenzhou Mingda has leading anti-UAV technology, guaranteed product quality and good interference countermeasures. It is a wise choice for all walks of life to counter UAVs.

Why do schools use mobile phone jammers?

We used to be students in the school. We know that the school has a box similar to the size of a speaker. This is what we call a mobile phone jammer. Why do schools install mobile phone jammers? The answer is obvious: mobile phone signal jammers will block mobile phone signals and prevent mobile phone use.

The main reason for the installation of mobile phone shielding devices in school equipment is the increase in the number of students using mobile phones. Almost every student has a smartphone. They cannot control the use of mobile phones well, whether it is in class or during class time. Part of the time is spent on mobile phones. What do they use mobile phones for? Many teachers find that students now mainly use mobile phones to play popular games. Games have become an important part of their lives. Many topics they talk about in daily life are also related to games.

Students use mobile phones in many ways, the main purposes are different, but almost all have nothing to do with learning. The way of learning is very bad. The influence of mobile phones occupies most of their time. They spend very little time on study and rest, which not only affects their studies, but is detrimental to their bodies and growth. In addition, the school knows that the use of mobile phones by students will greatly affect the various ranking factors of the school and the construction of school style, which has a very unfavorable effect on the development of the school.

There are several reasons for the installation of mobile jammers in schools, but the main purpose is to block students’ mobile phone signals and prohibit students from using mobile phones in schools.

First of all, the school uses mobile phone jammers for the academic considerations of students. Students are the backbone of the country’s future, and the country’s development cannot be separated from generations of students. Therefore, in the student days, mobile phones cannot be destroyed by a generation of talents. The national key qualification examination adopts mobile phone jammer.

Secondly, the use of mobile phones by students not only affects their own learning, but also affects their health. They also affected the school’s ethos and its development.

Third, schools also show a responsible attitude. Schools are places to learn, to educate and educate people, and schools to cultivate talents. The vast majority of parents send their children to school so that their children can learn more and become people who will contribute to the country and society in the future. Using a mobile phone signal blocker can prevent students from using mobile phones and spend more time studying and resting so that they can grow up healthily.

Finally, mobile phone jammers used in schools are mainly purchased online, and school staff will select interference devices suitable for installation in the classroom according to the scope of use of the school. As you can see, the shielding equipment used in ordinary schools is waterproof. It can be used not only in schools, but also in prisons or theaters, cinemas, etc. Mainly designed for larger situations, with powerful power, interference radius of up to 100 meters, all mobile phones can interfere with frequency, can also block wireless WiFi and Bluetooth signals, built-in antenna, and easy to use, just turn on the power, high temperature , Can work for a long time, is an important device that prohibits the use of mobile phones.

Install a network jammer near the meeting room

The National Congress and the Nationalist Congress Party (NCP) require that frequency jammer be installed outside the locker rooms, and EVM and VVPAT are kept in the locker rooms to eliminate any possibility of tampering.

The conference also called for a 50% EVM verification against VVPAT documents to increase transparency. The results of the poll will be announced on October 24.

“Much of society thinks EVM can be impaired, which poses a threat to democracy. To ensure free and fair elections, network jammers should be installed in and around solid rooms before and during the counting process. This will eliminate the possibility of tampering via mobile towers, Wi-Fi networks and other wireless networks. We also ask you to leave candidates the freedom to choose which EVM to test against VVPAT, ”he stressed in the letter. NCP also made similar requirements.

portable gps lojack jammers

Congress is also asking organizations that have announced their withdrawal from public opinion polls to divide their booths and constituencies. “Citizens are not satisfied with the way to withdraw from the ballot box. We suspect that withdrawing from the ballot box is an activity that helps people to accept results beneficial to the ruling party. The institutions that conduct the polls should explain the results. survey results in more detail to maintain transparency. ”

At the same time, the Election Commission took legal action against a person who committed a fault on an EVM at Navalewadi in Katav, Satara. Workers in a political party complained that even after pressing other buttons, they still voted for the BJP. However, the European Community clarified that there was no difference.

“The complainant refused to file a written complaint. He then spoke about the machine malfunction on the TV channel. In the mock vote conducted before the actual vote, the machines were inspected in front of polling officers from all political parties. We are now taking action against voters, including installing phone jammers. Said Dilip Sind, Chief Electoral Officer of Maharashtra.

No pornography in schools: CBSE forces jammers to block websites on campus

The government told the Supreme Court on Friday that it had asked the Central Committee for Secondary Education (CBSE) to explore options for placing jammers to prevent students from accessing child pornography online in schools.

The court hears a petition asking the government to ban all websites hosting pornographic content.
Another attorney general, Pinky Anand, said 3,522 sites were blocked in June, but the step of installing jammers on school buses was ruled out to prevent young people from being sexually abused on Internet.

“It is not possible to place a wifi jammer on the bus, but its installation on campus is being considered. The CBSE has been tasked to discuss this problem with the school administrators.” Said Anand.

5 bands portable jammers

The CBSE is the highest education committee in the country, with more than 10,000 affiliated institutions.

Most schools teach computers and the Internet is now part of the curriculum, not only increasing knowledge, but also putting students at risk of online sexual exploitation. It’s still a gray area for kids on school buses to watch pornography on their phones.

As many victims did not come to the police station due to fear and humiliation, there is no precise data on the number of Indian children exploited by pornographic material. According to the National Criminal Records Office, 96 cases of children sexually exploited online were reported in 2015.

The government told the three-judge panel headed by Judge Dipak Misra that it would take action to address “all the circumstances”.

He said the Central Bureau of Investigation (CBI) shared an Interpol list of online child sexual abuse material with the government, then ordered internet service providers to block those sites. This list will be updated regularly.

India does not have a centralized mechanism to monitor websites containing child pornography. The government committee recommends that Internet service providers ban these sites until a monitoring system is created.

In addition, service providers are required to educate subscribers about the use of parental control filters in their machines.

The threat posed by the terrorist drones

Most hobbyists think their drone is a great tool – much less dangerous than a hammer and much more fun.

But there are times when we wonder about the drone’s dark potential. What could it be doing in the wrong hands? However, from a sense of good citizenship, it is unlikely that most drone users would share these thoughts publicly.

Feel free to vent because the U.S. Army Association has voiced your worst fears.

A new report suggests that the increasing use of drones to pollinate plants shows that they can deliver chemical or biological warfare agents (CBW) alike. Additionally, software that allows multiple drones to swarm and coordinate is likely to encourage the spread of these toxins.

Pranks or fake murders?

Lt. Col. Claude A. Lambert, a strategic planner with the U.S. Army Materiel Command, points out some worrying incidents where drones could have wreaked havoc:

At a rally in 2013, a drone crashed harmlessly near Chancellor Angela Merkel
Authorities found a drone potentially contaminated with radioactive cesium on the roof of the Japanese Prime Minister’s office in 2015
I’ll add a newer one: A drone caused a seven-minute hiatus from a Chicago Cubs game last month when it landed on Wrigley Field.
Depending on your point of view, these are either funny japes or mock assassinations. Military must take the darkest view of human nature. Therefore, Lt. Col. Lambert is calling for a national US strategy to detect and identify drone threats. However, he doesn’t have any easy solutions.

“There is no such thing as a ‘magic bullet’ to counter a … threat,” he writes. “Not a single comprehensive material solution will completely eliminate the (drone) problem. Kinetic methods, signal hijacking, radio frequency interference and directed energy are areas that can be explored in order to defeat (drones) in a practical and inexpensive way. ”

8 wire phone signal blocker

He says in July 2019 the U.S. Marine Corps successfully deployed a new portable jammer to jam an Iranian drone in the Strait of Hormuz. But this was a military on alert in a conflict zone. Domestically, the FAA registers around 1,700,000 drones in the United States. Nobody knows how many are not registered. Lt. Col. Lambert believes the military and law enforcement must work closely with academia and industry to counter the threat posed by deadly drones.

Preventing the weapon from drones

He also wants the international community to stop trading chemicals that could arm drones.

Lieutenant Colonel Lambert points out another possible weakness in the drone shield. The U.S. military has minimized its chemical and biological training in recent wars because its opponents lacked these weapons.

“As a result, the joint force is now unprepared to face a chemical or biological warfare threat,” he writes.

“One thing is certain: anyone willing to develop or acquire a CBW agent and deliver it via a (drone) probably cannot be put off.”

Telephone jammers are necessary for a good environment for important meetings

We’re tired of being interrupted, especially in important places, and I’m tired of the phone ringing. He was very angry when the leader was chairing an important meeting and was interrupted by the ringing of the cell phone. The frequency jammer is used in the conference room so that the conference has a good environment.

With the popularity of cell phones, cell phone ringtone makes people more tired, especially in some quiet public places. In many places, cellphone use is prohibited as it affects others, affects others to rest or work, and even affect the websites such as the use of the instrument and the moderating effect of cellphone. While there are clear instructions on how to ban cell phone use, there are a lot of people in these places using gas stations for example, as we use cell phone at gas stations is dangerous and probably caused the explosion.

We should know that the important national meeting will last for many days. The content of the meeting must be kept strictly confidential and must not be interrupted by the outside world. Therefore, the mobile phone is prohibited. Not only is this a national meeting, but it was also adopted at a series of corporate meetings where cell phones were banned and cell phone blockers were gradually installed. What do you think is reasonable about Office installation of the cell phone jammer?

Not only are cell phones banned in gas stations, but many public places are starting to ban them. It may also be banned in some private places. We have heard of cell phone jammers being used in schools and cell phone jammers being used in prisons to disable cell phone signals and protect prison security. What about the conference room? Have you seen any examples of this? With people increasingly relying on cell phones, many companies are starting to install an adjustable device in the meeting room. The cell phone jammers will be held in the meeting. The meeting leader conducts the meeting properly without the ringtone intervening. opens and adjusts the disruption area in the conference room. This not only affects the normal use of the outside, but also provides the environment for the meeting.

If the ringing of a cell phone interrupts the speaker’s thinking at an important meeting, it will upset them and distract attendees from the meeting. The cellphone in the meeting room with important rings is rude behavior. Therefore, in many meetings, before the prompts begin, the phone will shut down or put into mute state. Many companies are not allowed to take cell phones with them while attending the meeting, visible on cell phones in the Internet age, the use of cell phones is regulated more and more clearly.

gps lojack jammers

If you’re part of a conference, how do you feel when you hear your cell phone ring frequently during meetings? I think you will be as mad as I am, dissatisfied with this behavior, and even berate the owner of the phone. This is an unfortunate ending, not what we want to see. To avoid these unpleasant results, the conference room to use portable jammer is very important. There are many advantages to using in the meeting room, as you can see above, to prevent the uncivilized phenomenon from occurring. There is not only a ban on cell phone ring tones, but also a ban on cell phone use during the period.

If you’re a boss, you need to attend the meeting often. A cell phone rings or someone is looking at a cell phone in the meeting. Then you can prohibit the use of the cellphone by installing a cellphone signal jammer. It can now be bought in our store www.jammer-shop.com, which will make you more accessible and respected for the staff.

Mobile phone shielding device selection guide for examination rooms

By the annual exam season, all parties have begun to prepare for the exam, and the invigilator has various tricks to prevent high-tech fraud. Among them, the shielding device used in the examination room is still an anti-fraud shielding device. However, Chengdu Saiyue Communication reminds that there are many types of shielding devices, and users should clarify their needs before purchasing them to avoid test room accidents due to poor shielding effects, and pay attention to the correctness of the method of use.

First of all, I want to clarify the place of use. Most schools use test room-type mobile phone shields that are suitable for long-term work and are durable. The second is how big are we in the shielded area? For example, if it is a room of 100 square meters or a venue of thousands of square meters, if the area is large, the power must be larger, and if the area is small, the shielding power must be considered small. Then there is which frequency bands need to be shielded. Are all China Mobile, China Unicom, Telecom and CDMA shielded? Still only need to shield part of the frequency band.

Phone Wifi signal jammer

At this time, we remind everyone that if you want to buy a suitable shielding device to achieve the effect, it depends on the method used. The main points are as follows:

1. It is recommended that the indoor shielding device be placed at a height of about 180cm-220cm above the ground, with a forward angle.

2. Whether there are obstructions (such as walls, metal products, etc.) between the wireless jammer and wireless communication equipment (mobile phones, etc.). The interference signal emitted by the jammer will be attenuated to different degrees after passing through the obstruction, please try to avoid it.

3. The weaker the wireless communication signal strength in the use environment, the stronger the theoretical shielding effect of the shielding device.

4. The farther the jammer application environment is from the signal tower, the stronger the theoretical shielding effect of the jammer.

Many authoritative units began to use mobile phone signal jammers

When the mobile phone works, it is within a certain frequency range, the mobile phone and the base station are connected by radio waves, and the data and sound transmission are completed with a certain baud rate and modulation method. In view of this communication principle, the cell phone signal jammer scans from the low end frequency of the forward channel to the high end at a certain speed during the working process. This scanning speed can cause garbled interference in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent from the base station, so that the mobile phone cannot establish a connection with the base station. The mobile phone is manifested as a search network, no signal, no service system and other phenomena.

desktop signal blocker

Common mobile phone signal jammers on the market have operating frequencies: 869~894MHz; 825~960MHz; 1805~1880MHz and 1900~1990MHz, etc. The operating frequency bands are CDMA800, GSM900, DCS1800, and PCS1900. It can control the range of about 40 meters in diameter, using DC-DC converter input voltage and 5V output voltage.

The emergence of mobile phone signal jammers has played a certain role in suppressing the increasingly serious “mobile phone noise pollution”. But as a mobile communication interference device, will the electromagnetic radiation generated by the A topic of concern. At the same time, during the installation and use of mobile phone shielding equipment, due to the greater autonomy and randomness in terms of the number of installed units, transmission power, coverage, and radiation control, some places require effective interference and The shielding effect is maximized, even blindly introducing high-power mobile phones to interfere with the installation and use of shielding equipment. The impact and damage to the human body cannot but be worrying.

As another product of human beings, the “mobile phone signal jammer”, while shielding mobile phone signals and ensuring information security, it will definitely bring a certain negative impact. However, when we look at the problem, we should see the main contradiction. Just as we did not stop using a kitchen knife because it cuts vegetables, we will not reject a “mobile phone signal jammer” because it may cause harmful radiation to the human body. After all, the “mobile phone jammer” guarantees information security and contributes to social stability is its main contribution. The most important thing is that it brings security to places with high safety factors such as prisons, detention centers, and major conferences.

As far as the quality of the mobile phone signal shielding system is concerned, judging by the current level of scientific understanding, there is no security problem. The reason for this is mainly based on the following two reasons:

First, from a technical point of view, although the mobile phone signal shielding system is a new technology product, it should be said that it has been developed more mature in technology, so it has high security. According to the test report of the authoritative testing organization, the qualified mobile phone signal shielding system has low radiation, and because it is usually installed in high places, it has no adverse effects on human health.

Second, from a practical level, many authoritative units in China have begun to use mobile phone signal shielding systems. For example, in 2004, in order to maintain the solemn atmosphere of the memorial hall and meet its special confidentiality requirements, the Chairman Mao Memorial Hall Administration installed a mobile phone signal shielding system produced by Shanghai Jike Electronics Co., Ltd. in the memorial hall. After actual use and testing , The Memorial Hall Administration believes that the products produced by Jike Company meet its requirements in all aspects including safety and aesthetics. I think this should be a very convincing case. In addition, according to the information collected by the author, as a leader in the mobile phone signal shielding system industry, the products produced by Shanghai Jike Electronics Co., Ltd. are used in the prisons of the judicial departments and the detention centers of the public security departments. All of them are used, and the feedback after use is believed to be a proof of immortality.