Category: Tag High-Quality

Jammers are used in various fields and can be easily ordered online. Especially in portable GPS signal jammers, the lowest online price is only a few tens of yuan. Some people think that these products are beneficial, how VIP personnel can prevent illegal tracking of these products, some high-quality jammers can prevent owners from monitoring their work, prisons use jammers to prevent criminals from contacting the outside world, and test rooms use signal jammer, The device prevents candidates from using high-tech tools to cheat … Usually, jammers are very versatile.

Are bomb jammers dangerous or not?

In recent days, the “handheld gps jammer” topic on the car of the magistrate “Di Matteo” has returned to fashion. The topic deserves further study with experts in the sector, not with politicians ready to speak out to gain some consensus here and there.

We premise that, EVERY jammer device is NOT good for the human body, the greater the power and correspondingly more it will harm the health more. Erroneously from what was declared by Undersecretary of Defense Gioacchino Alfano: “The types of jammers (called jammers) used by the Italian military in operational theaters (including Afghanistan) are of medium and small capacity”. And again: “the systems do not harm the health of people (operators and strangers), thanks to the limited power”, is an inaccuracy resulting from lack of competence, as well as ignorance.

Camouflage handheld phone jammer

The “bomb jammers”, the real ones, not the imaginary ones, MUST necessarily have a power output such as to be able to neutralize any radio transmission within the range of action set as safety; generally speaking of 100-1,000 meters. To be able to disturb such a large area, it is necessary to have an output power ranging from 25-200W per channel; that added to all the necessary frequency cuts, you can easily get a device of 1.000W of power! Installing a device with less power means making it useless.

The military who use the “military jammer“, as indeed the various American presidents, visiting foreign lands, install them on separate special vehicles. In a nutshell, if you want to give “Di Matteo” a Bomb jammer, you should first think about providing a new car specifically for installing the device.

This is not only because continuous exposure to these waves hurts; but also because the Bomb Jammers are devices of a certain size which also require a separate power supply.

We were stunned to read these statements from an undersecretary of defense, we are surprised by the lack of competence and superficiality with which this topic was addressed.

WiFi Jammers for Wireless Security

We all love to use WiFi, it’s a faster wireless connection, and it’s convenient. But at the same time, we also have to use the wifi jammer. We could walk around the house while still keeping our cell phones and computers connected to the Internet at high quality. This could all be done wirelessly, which is great for all of us. But at the same time, we also put ourselves in wireless danger. People could hack our cell phones or our computers to steal our information, like our bank account, our password, our mailbox, our famous photos and all. This will put us in dangerous situations. We need to find a way to get away from this kind of wireless hacker. The wireless jammer could help us with that. It could emit a strong signal, much stronger than the WiFi signal, to cover and hide the WiFi signal, so that all wireless devices in a certain place could not receive the WiFi signal.

desktop wifi signal jammers

You see, WiFi jammer is a high power electronic device, it could take us out of the danger of WiFi. But you have to think about it and use it carefully. You need to calculate the size of where you want to jam and buy the appropriate WiFi jammer. If you buy a WiFi jammer that could jam for longer than necessary, then your neighbor might be stuck causing you trouble. To learn how to choose a suitable WiFi jammer, please visit our website. Here we have a lot of articles to tell you what a WiFi jammer is and how to choose a good WiFi jammer. And here you can find a lot of different wifi jammers, you can choose the best one for your need.

There is some kind of WiFi jammer which can only jam the WiFi signal. And there are many other jammers which block not only wifi signal but also other signals. such as cell phone signal, GPS signal, bluetooth signal, remote control signal, 4G signal and others. To jam the cell phone signal is a mobile phone jammer; jamming the GPS signal is a GPS Jammer. The jammers which could block different signals at the same time are multi-function jammers.

You have to choose the right one for your different purpose. You have to think about what functions you need at the same time. You need to buy a Jammer within your budget. If you have any questions, come to our website, here we have hundreds of jammers for your selection.

The latest design of cell phone jammers

In the conditions we need quiet, like reading books, listening to music, watching television, the teachers were in school, a library, and in many other places and conditions and, where appropriate, to prevent the phone signal is the best way. And in many other conditions, it is also necessary to cut other groups, which is why an increasing number of new advanced signal jammer designs have been invented.

When people take a very practical high quality jammer, of course, considering the price, quality, and many other factors, then compare and get the best jammers and reliable signal in our site a lot of new style of Advanced jammers design can be found here, you can watch this “15W high strength desktop antenna 8 WiFi Bluetooth 3G 4G mobile phone interceptor,” it is a new design of the signal blocker, has strong function.

16 Antennas Signal Jammer

Then directly go to look at the details of the new design blocking phone WiFi signal handheld gps jammer, and for more details, and you will soon know that this high power signal jammer designed for high power office 15W, so that you can realize This high-power interference jammer signals in detail according to the signal strength of up to 50 meters, which is very powerful, can meet the needs of many people. In addition to eight antenna design, this high power signal jammer 8 antenna signal can be cut off from cell phone signals and 2G 3G 4G Bluetooth WiFi signals at the same time.

meeting rooms, conference halls, museums, galleries, theaters, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks and many other places can be used widely this high power cellular phone jammers 4G Wi-Fi connection. You can also get many other styles of signal similar to high power computer and new design interference signal blocking, you can choose the right jammers.

Are Cell Phone Jammers the Next Big Thing?

A Philadelphia man was caught red-handed this week for using a mobile phone jammer to prevent fellow passengers on a public transit bus from using their cell phones.

“I guess I take the law into my own hands,” he told an NBC10 reporter about the illegal jammer, “and to be honest, I’m proud of it.”

Teresa Masterson, a writer on NBC10, first encountered the jammer on her morning commute and gave NBC investigators a lead.

12 Antennas Signal Jammer

A jammer that blocks radio frequencies isn’t just limited to blocking people

But while today’s news and the resulting internet outrage can only be felt by a single man, the practice of jamming cell phones is widespread in both New York and Washington DC. I spoke to two such “jammers” this morning about why they bought equipment that ranged from $ 40 to over $ 10,000 on sites like jammer-welt.com. Some boast a radius of just 15 feet, while others claim they are used in military vehicles and for counter-terrorism maneuvers.

“You’re the best thing ever,” says a New Jersey-to-New York commuter who lugs around a jammer every morning on his 40-minute ride on the New Jersey Transit. He doesn’t do it for the entire trip, he says, only when a fellow passenger speaks “too loudly” or “too long”. “It fits in your pocket – they even make shady packs of cigarettes. I would guess it’s effective for a 15 foot radius, possibly more,” he says.

“When I’ve used it, it’s to turn off a loud speaker on the train that is sitting near me.” He says he bought it online from a website that imports the equipment from China, where it’s legal, and when asked, told me that he never felt guilty about keeping his passengers from talking. “No fault,” he says, “just personal high fives.”

“I always have a grace period for calls,” says another jammer who takes the MARC train to Washington DC. The journey takes about 30 minutes. “If someone says,” Okay, well, I’ll be in the office in 10 minutes, then we can discuss it. “I’m not going to bother you. But if you talk about what you did last night and what kind of curtains you are getting for the house, then yes. Silenced.”

Does he feel guilty? As if it was causing a public grievance? Not as much. “People are mad and ranting on their cell phones all the time. But I feel like it gives me some control over what I believe is becoming an increasingly reckless society.

“I’m not a threat to public safety,” he says. “I don’t put anyone in danger more than anyone else in a subway without the reception of cells being compromised.”

jammer-welt promotes the sensible and legal use of cell phone jammers and correctly protects their legitimate rights and interests.

Will Israel buy $ 50,000 worth of portable anti-drone vests?

The IDF and Israeli police are considering purchasing personal anti-drone systems at a cost of $ 50,000 each, Calcalist reported.

The vests were made by the Israeli startup SKYUP, part of the Avnon Group, and have already been sold to the US Army and NATO forces.

Enemy drones have become a growing threat and unlike in the past when they were only installed in vehicles, there is now a need for personal equipment for soldiers and police officers to protect them from the threat of drones. According to SKYLOCK, the portable systems, which weigh just 1.5 kilograms, can neutralize any drone within a kilometer.

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The vests are equipped with a drone detector and an drone jammer. Upon notification of a UAV in their vicinity, carriers can activate the anti-drone jammer.

The vest is intended for use in situations where traditional anti-drone products normally installed in buildings or vehicles are not suitable due to the need for a mobile protection system, e.g. B. at special units of the army or guards of the president.

A quick and dirty guide to monitoring mobile phones during protests

As riots against police brutality and institutionalized racism swept across the country, many people were exposed to the full power of law enforcement weapons and surveillance for the first time. Whenever protesters, cell phones and police are in the same place, protesters should pay attention to cell phone surveillance. Usually, security practitioners or other protesters respond to this issue through suggestions provided by local law enforcement agencies using cell location simulators (also known as CSS, IMSI catchers, stingrays, earth boxes, hail, fake base stations, or crosses). However, in many cases, this suggestion is wrong, or it is due to fundamental reasons such as not knowing what the cellular base station simulator is, its function and frequency of use.

Denial of service or signal interference is an additional function of CSS. In fact, the FBI has admitted that CSS can cause signal jammer to local personnel. Unfortunately, for the same reasons, it is difficult to determine the use of CSS, and it is difficult to tell how often they interrupt service, whether intentionally or unintentionally. Signal towers that look like signal interference may also be overloaded and disconnected. If many people suddenly gather in one place, it may overload the network, which is not the purpose of the design.

Professional high-power interceptor

How to protect yourself from cellular signals

As we mentioned in our self-defense guide for monitoring protesters, the best way to protect yourself from cellular site simulators is to put your phone in airplane mode and then turn off GPS [2], WiFi and Bluetooth, and cellular data. (Although “receive only” GPS and not lose its own location information, many apps track GPS location data, which is ultimately stored in a database that law enforcement agencies can search for later.)

We know that some IMSI capturers can also intercept content, but as far as we know, if you don’t downgrade your cellular connection to 2G, none of them can do it. If you want to protect your device from this attack, the best option is to use encrypted messages such as Signal or WhatsApp and put it in airplane mode when you find that your phone has fallen to 2G. (There are many valid reasons. Your phone may downgrade some of your connections to 2G, but it is safer than regretting.) However, an important part of the protest may be live broadcast/recording and immediate upload of police reports against protesters. Violent video. This is inconsistent with the recommendation to keep the phone off/in airplane mode. Up to you

Unfortunately, iOS and Android currently do not provide an easy way to force your phone to use 4G only, although developers can of course add it to their operating systems. If you can turn off 2G on your phone, this is a good preventive measure.

Saab is testing its new attack jammer for the Gripen!

The aircraft manufacturer Saab has carried out the first flight tests with its new, advanced jamming module Electronic Attack Jammer Pod (EAJP). The new drone jammer was tested on a JAS-39D Gripen fighter aircraft. The interfaces of the module to the aircraft hardware and software as well as to the control and monitoring of the cockpit were tested during the flight.

5.8g jammer

Saab’s new EAJP module aims to protect aircraft with sophisticated jamming functions from radar and prevent the enemy from attacking them. The first flight marks an important stage in the nacelle development program.

Saab is refining its electronic attack capabilities and the new advanced module is an important part of this development. The EAJP perfectly complements the integrated electronic attack functions of the advanced electronic on-board warfare system of the new Gripen E / F fighter from Saab. It can also be used for other types of aircraft. The nacelle is part of the Saab AREXIS family of electronic warfare systems, which includes: radar warning signal receivers (RWR), intelligence, surveillance and reconnaissance (ISR) and electronic countermeasures (ECM) that are combat aircraft compliant.

Electronic war systems are also used for self-protection by passively detecting radar systems and enemy missiles and protecting the aircraft or platform with active and passive countermeasures. Offensive electronic warfare, also known as electronic attack, involves actively sending jamming signals to disrupt the enemy’s air defense systems so that they are no longer a threat.

The EJP gondola:

The new low-band signal jammer is contained in a 4 m long and 350 kg heavy demonstration module. Wing-shaped surfaces are used to house the low frequency antennas. According to the Swedish aircraft manufacturer, currently only the US Navy Boeing EA-18G “Growler” can neutralize hostile electronic defenses. The EAJP has the ability to filter and thus protect the approach and departure of entire formations from low-frequency radar, thanks to the intelligent use of DRFM (Digital Radio Frequency Memory) encryption techniques, which generate false coherent and different targets. Saturation Techniques. The system is based on digital receivers and ultra-broadband DRFM devices, networked solid-state jammers based on gallium nitride (GaN) and interferometric direction finding systems. For advanced electronic attack application, these technologies are adapted to the low frequencies required to block modern stealth defense systems.

Intended for a wide range of aircraft:

If the EAJP is previously used in Sweden for aircraft of the Gripen C / D and E / F families, Saab will also advertise the EAJP nacelle to enable possible integration with other aircraft types. possibly including the Eurofighter. In Germany, for example, the Tornado ECR is to be replaced and the Eurofighter T3 ECR “SEAD” * (article tomorrow) is to be equipped. Other countries may need such a solution to equip their aircraft fleets. Saab expects it can deploy a NATO-compliant operational system in the next 12 months.

Set the distance due to GPS interference

From the construction of offshore wind farms and dredging ports to marine surveying and the laying of underwater cables, GPS receivers have established themselves as a critical element in many offshore and nearshore applications. Downtime in GPS tracking at sea can be dangerous and costly. GPS downtime is increasingly attributed to malfunctions.

The location of a chirp jammer in the car on Shelter Island that was used to simulate the effects of GPS interference on San Diego Bay. GPS signals are transmitted at power equivalent to that of a standard lightbulb. They are expected to travel more than 20,000 km and still be suitable for high-precision position calculations. In most cases, the signals arrive relatively intact, but can hardly be distinguished from the thermal background noise and can be ducks for any passing interferer.

Maritime applications are increasingly using high-precision positioning such as RTK and PPP, which not only use the code information modulated onto the signals, but also the phase of the signal itself. In the presence of interference, these phase-based modes suffer first.

The use of GPS signal jammer is strictly prohibited, but their effects can be assessed using a GPS simulator. Using the example of the port of San Diego, a simulator was programmed to generate the GPS signals that a receiver on a boat would see at that location. The interference of the GPS signals was mimicked by mixing the simulator signal with that of a jammer. With the jammer in the location shown in Figure 1 and the GPS receiver on a boat near the bay, the effect of interference across the bay could be extrapolated using standard models for the propagation of radio waves.

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The results in Figure 2 show that a small 10 mW chirp jammer without AIM + interference mitigation can turn off RTK positioning over several hundred meters. When AIM + is activated, the non-RTK zone in the immediate vicinity of the jammer is reduced to a few meters.

The effect of a 10 mW chirp jammer on GPS positioning in San Diego Bay with and without AIM + interference mitigation.

If you repeat the tests with a Continuous Wave Interferer (CW) of the same power, the results with AIM + are even more dramatic, as Figure 3 shows. Without AIM +, a CW interferer in the parking lot near the coast prevents RTK positioning or GPS positioning over a large part of the bay and extends several kilometers to the sea within sight of the jammer.

The effect of a 10 mW continuous jammer on GPS positioning in San Diego Bay with and without AIM + interference mitigation.

A comprehensive approach places interference issues in the foreground of the receiver design and incorporates them into every phase of signal processing. With the AsteRx4 OEM and AsteRx-U, the antenna signal is digitized immediately after filtering and automatically freed from interference using several adaptive band-stop filters.

Depending on the type of interference, the stop bandwidth is automatically set between a notch of a few kHz to 1 MHz in width. The notch filters are supplemented by an adaptive filter that can suppress more complex types of interference such as chirp jammers, frequency hopping signals from DME / TACAN devices, and powerful Inmarsat transmitters.

WiFi jammer can easily protect your personal information

WiFi and Bluetooth are wireless technology that supports the exchange of data over short distances through fixed and mobile devices using the 2.4g band. From this point of view, Wi-Fi or Bluetooth to force people to use them to send information and documents to create great convenience. Thus, the Wi-Fi connection for large businesses is also cheap, as it can connect to multiple systems over one wifi signal. Bluetooth can also be used to help people send files and share files. With the development of wireless networks, and now, people can easily use the WiFi network access, which has really brought a lot of convenience to people.

There are many drawbacks to wifi signal jammer as well, such as all private data stored on your laptop or PDA can be exposed to everyone in the same area. If not set up correctly, criminals can easily obtain passwords and important personal information over the wireless network. Once the password is known to someone else, it is really a risk. The most obvious aspect is that your privacy is susceptible to being hacked, the password is used as a wireless network, hackers due to low capacity. On the other hand, due to the Wi-Fi and Bluetooth connection must track your position and the ability to work the body, similar to the triangulation position cell phone tower. So other people can easily know your location.

anti-tracking gps blocker

How to keep your information private

Now people are paying more attention to security and privacy at work and in everyday life, and you always want to find a good way to prevent them from being attacked or forfeiting their privacy. Now it’s to get network privacy and security back then. So the WiFi signal jammer can help people to solve this problem. By using WiFi / Bluetooth jammers, others will lose the ability to access the wireless network, you just need to use a wired network to ensure your normal use. So, WiFi and Bluetooth jammers can bring you eliminate potential dangers is very important. Then this 13W High Power 2G 3G 4G Wi-Fi Bluetooth Cell Phone Signal Blocker is designed for this purpose.

Word, WiFi jammers can very well help you eliminate the risk of information. If you want more choice, please visit our website.

Russian jammers caught the attention of the Chinese media

The Russian jammers have caught the attention of the Chinese media. For the Sina portal, this weapon is a real “headache” that the United States must face. The Pentagon’s navigation systems are an essential tool for any Army mission.

Russian signal jammer can take American GPS receivers out of service and are causing the United States a real “headache,” writes the Chinese portal Sina.

desktop mobile phone blocker

As noted in the publication, Russian devices can paralyze the Pentagon’s GPS systems and force the US to admit “one defeat at a time”. The absence of the GPS signal significantly reduces the combat capability of the armor and leads to the waste of ammunition, writes the author of the article.

In this regard, Washington is urgently developing GPS devices that can withstand interference, the paper’s author said.

“Since the GPS system is exposed to interference and false signals, […] the United States could give it up because it would only weaken its armed forces,” the author suggests.

He added that, according to his data, it was the disruption of the GPS used by Russia, particularly Syria, that put the receivers of NATO member countries out of service. Eventually, he concluded that these measures required advanced communication technologies and brilliant math skills, “which is what the Russians are known for”.

A few months ago Norway and Finland accused Russia of deliberately torpedoing the Trident Juncture military exercises by disrupting the GPS system, which Moscow firmly rejected.