Category: Tag Buy

What can signal jammers be used for? Retailers can use jammers to prevent you from comparing prices in the store, which will increase the retailer ’s sales. It is also useful to buy jammers in certain rooms that need to be quiet or avoid interference. In this way, you can prevent your phone from ringing during a movie theater show or when young people chat at school.

GPS Jamming Experiment

Chronos Technology Ltd successfully demonstrated the GPS Jammer Triggered Camera technology during official GPS jamming tests at the Sennybridge Military Jammer Training Area in Wales at the end of August 2015, Lydbrook , Gloucestershire, UK.

JammerCam ™ GPS triggered camera technology Jammer was jointly developed by the Department of Electrical and Electronic Engineering at the University of Bath and Chronos Technology Ltd. This development took place within the framework of a project called “AJR”. Internet of Sensors “Feasibility study competition

The trials allowed JammerCam ™ units to be tested in an outdoor environment with a range of GPS jammer hidden in vehicles passing alone or in convoys, including cars, vans and shipping containers. Jammer-triggered camera sensor technology successfully identified and photographed the vehicle hosted by the jammer in all test cases and at all speeds and powers. Either way, the vehicle was taken at the center of the frame so that only one frame was needed, which significantly reduced the bandwidth needed between the sensor and the web server.

wireless jamming for sale

The photo identifying the vehicle with jammer would then be sent over a mobile network to a web server where it is distributed as a hyperlink to target email addresses. The image can then be called up as actionable intelligence within seconds of the camera taking the jammer.

Professor Charles Curry, Managing Director of Chronos, explained: “A proof of concept system was demonstrated during the Sennybridge GPS Jamming trials in 2014 by the University of Bath. We then had to overcome some significant challenges, not the least of which was to make the system fully automatic so that it only took a photo of the vehicle hosting the jammer. We know that even low powered cigarette lighter style jammers emit enough detectable interference to create a power bubble around the vehicle, making it very difficult to determine which vehicle in heavy traffic is hosting the jammer. Our two biggest discoveries were to identify the vehicle in a convoy hosting the jammer, and detect and catch a shipping container with a low-powered jammer inside.

Buy Mobile Signal Jammer For Your Office

Today, an efficient workforce is essential to the proper functioning of a business. In fact, the workforce is the main cause of raising and lowering a company’s reputation. Therefore, employers should be careful while recruiting workers into the organization. Incompetent employees are the root of business failures and scandals, according to business experts. However, there is one more factor that affects the success rate of a business. It is the working environment of the company. The business atmosphere is a much higher priority than anything else. It motivates employees and strengthens their focus. On the contrary, if it is not positive, it can be a cause of distraction from work. Therefore, ensure that the aura of your business is positive by eliminating the various means of distraction.

Mobile phones are one of the main causes of distraction in an office. When employees start to use them excessively, their productivity is affected. Many companies employ a strict rule regarding mobile usage. However, there is a smart way to limit the use of phones. A signal jammer, which is a gadget to prevent misuse of cell phones, is an effective solution to this problem.

To keep your employees focused buy mobile signal jammer. The wifi jammer is very useful in business and other spheres of life. The mobile jammer blocks radio signals from cell phones in an area. Previously, it was mainly used by government authorities and for defense purposes only, but over time its use was seen in other areas as well. Therefore, people can buy the cell phone signal jammer for individual use now. Before buying a phone jammer, it is important that you know what a jammer is and how it works. Read on, to know its function and uses.

wifi bluetooth blocker

The cell phone jammer is an instrument that blocks the radio signals of the cell phone from reaching the base station. In fact, the cell phone works by sending and receiving radio signals to and from a network tower. To block radio signals, the cell phone jammer chooses “send signals”, which the cell phone sends to the network tower. In reality, these “transmit signals” are transmitted at a low frequency. Therefore, the cell phone jammer sends its own signals in the same frequency and disrupts the connection between the cell phone and the network station.

Different jammers provide different functions. Some jammers work on all types of networks, while others do not. Therefore, know your demands before purchasing mobile signal jammer.

Today, cell phone jammer users are increasing in great numbers, but, still, a few handles know its correct usage. If you are one of them, here is the list of its uses.

Today, cell phones have radically changed our lifestyles. They not only made communication faster, but also posed a threat to privacy. Company secrets and sensitive information can be easily transmitted to strangers through cell phones. Therefore, buy a cell phone signal jammer to prevent the transfer of this sensitive information.

The cell phone jammer blocks the radio signals from a cell phone, which allows communication with different cell phones. By doing this, the cell phone jammer maintains a peaceful environment and helps the workers to concentrate on the work. Thus, employees are not distracted by cell phones and do their jobs quietly.

Company personnel cannot work effectively in a noisy environment. Sometimes such an environment is good, but it shouldn’t be all the time. Therefore, buy a mobile signal jammer to build the concentration level of employees.

The above mentioned uses of cell phone jammer prove that it is essential for improving your business. Therefore, buy mobile signal jammer soon, before it’s overdue.

South African prison facility jammer

Prison leaders use signal jamming devices to prevent inmates from using cell phones in prisons.

A Department of Corrections document seen by Sowetan says he is in talks with SA’s Independent Communications Authority to “explore various technical and legal solutions, including, but not limited to, cell phone jamming.” .

The ministry also wants to expand the installation of cell phone detection systems in various prisons to help officials identify and remove unauthorized communication devices.

Currently, cell phone detectors are installed in 39 prisons while 14 other body scanners will be placed in seven prisons to help authorities stop cell phone smuggling.

According to Icasa’s Guide to the Use of the Frequency Spectrum, the use of any jamming device, including jamming of mobile phones, is prohibited in South Africa for reasons of security and effective electronic communications.

desktop signal blocker

But after the use of a signal jamming device during President Jacob Zuma’s address, Icasa said that the use of jamming devices by an entity other than the national security cluster departments is not authorized and authorized. At the time, the authority said that national security cluster departments could, when supported by relevant security legislation, deploy the use of jammers as part of, among other things, security functions. of State.

Several media companies and the SA National Editors Forum have appealed the decision of the Western Cape High Court dismissing their request to declare the use of the signal scrambling device illegal in Parliament. The prisoners at Pollsmoor in Cape Town recently caused a stir when they created their own Facebook page and started posting pictures of themselves in their orange prison clothes.

In June, Free State Presiding Judge Mahube Molemela wrote a report after conducting a forensic inspection at Zonderwater Prison in Cullinan (Tshwane).

Molemela found that the prison had a serious problem with drug and cell phone smuggling, mainly due to staff shortages and overcrowding in communal cells.

But the judge also found that because the prison had basic adult education and training for learners and 11 students from the University of SA, it should allow prisoners to have laptops in their cells.

“There is no reason why laptops should not be allowed in student cells. A laptop computer that does not have Internet access cannot pose a threat to the security of the facility,” Molemela said.

South African courts have already ruled in favor of student prisoners at higher education institutions who wish to access the internet for their studies, but this must be monitored and used “strictly for studying”.

Icasa’s Paseka Maleka did not respond to requests for comment made Thursday. Logan Maistry of Corrections said he needed more time to respond.

A two-function signal jammer

If you are a teacher who goes to the exam room often, you may want a cell phone signal jammer to make the student more aware. If you are a businessman who wants to keep trade secrets, you might fear that one day you will be tracked because someone may already have a GPS locator installed in your car. Then you can install a GPS signal jammer.

Although some people may not be teachers or businessmen, but only encountered these two problems. More and more people think that it is not easy to keep secrets in modern society because there is too much spyware and spyware. Social software and the Internet have spread enough scandals around the world. There is no secret. It’s another people’s nightmare.

gps jammer

It’s a good thing to do, and aims to solve this problem by cutting off chunks of signals from cell phones and GPS locators called mini-handsets and GPS jammers.

It is the same size as a cell phone. Maybe it’s lighter. You can put it in your pocket and your table. And mainly by the battery holder. It can last about two hours because it consumes a little less. You can use them to hold secret meetings in the office, or put them in the Car Jammer to prevent its escape. Don’t worry about its function, the working area can be up to 5 meters according to different situations, it is very convenient to use in the car, it is extremely good to protect your privacy.

It is very easy to use. But you still need to pay attention to some of these areas:

First of all, you need to use the pocket mobile phones and full load jammer GPS signals, you may want to use while charging in the mini, it can reduce the working hours. We provide one year warranty, which is not included. Second, the interference distance varies depending on the signal strength and the specific working position.

We specialize in disruptor site sales, with a professional team to develop disruptor, to provide you with the best disruptor products.

South Korea accused North Korea of ​​jamming GPS signals

South Korean authorities said North Korea is using so-called radio jammer to suppress GPS navigation systems in border areas.

According to the authorities, it started about a month ago in several places at once along the border, but stopped last Thursday.

buy signal jamming device

This reportedly led to disruptions in the navigation systems of 110 ships and aircraft, as well as to interruptions in mobile telephony.

A spokesman for the South Korean ministry for the unification of the two countries called these actions by Pyongyang a provocation, Agence France-Presse reports.

South Korean media report that Seoul has accused its northern neighbor of jamming GPS signals for at least the fourth time since 2010.

At the same time, it is reported that, most likely, the equipment for signal suppression was supplied to the DPRK from Russia.

On Friday, the South Korean military reported that the DPRK had once again launched a ballistic missile at sea, despite international sanctions and criticism from world powers.

Last week, North Korea announced an artillery exercise simulating an attack on the official residence of the South Korean president.

How to make your own cell phone signal blocker

Cell phone signal jammer is installed in quiet areas, such as schools or universities, but… how exactly does this instrument block cell phones? These locking instruments prevent mobile devices from receiving signals from base stations. While it may sound like a complicated process, making your own phone blocker isn’t that difficult. However, you should know that in many countries (including the United States) they are illegal and subject to large federal fines, in addition to criminal prosecution. Who knows what could interfere …

phone jammers

1. Understand the principles of operation. This cellular signal blocker operates with the GSM800 frequency, since most mobile phones use it to operate. The VCO selected is a sweeping oscillator, which is very effective but can be difficult to build for beginners who do not have good RF testing equipment.
As a noise source you can use a 45MHZ clock oscillator, which is the local oscillator port located on the mini-circuit mixer. There is also an impedance matching network for the local oscillator signal to pass through. It is used to match the impedances of the oscillators and the mixer port.
The RF input (which is the mixer port) connects to the first 800MHz cell antenna, and the RF output is sent to the mini-circuit amplifier. This amplifier increases the output power by 15-16 dbm. Then the amplified signal is sent to the second antenna of the cell phone.

2. Consider how it works. All cell phones using GSM800 always separate the transmitted and received frequencies at 45MHz. So when the mobile phone tries to call, it is blocked by its own signal coming back to you! Isn’t it cool? So when the chatter of the phone irritates you, turn on the blocker so that the criminal hears his own voice on his cell phone. By the way, you can also use this cell phone signal blocker to block any cell-based tracking system that uses your GPS to track and record the movements of your car. And you can probably block improvised explosive devices that are detonated using cell phones. The mixer that is used is designed to work up to 600 MHz, but in this case it works very well. The RF amplifier does its job quite well even though it consumes additional power.

3 Use an old aluminum box as a frame for the jammer and some old UHF connectors from a Motorola cell phone for input and output.

4 Connect the RF connectors to the circuit.

5 Use a nine-volt battery and a voltage regulator to power all components. Place the battery inside and separate it from the rest of the components using foam rubber.
Flip the on / off switch at the top.

6 Screw the input and output antennas (also from an old Motorola cell phone) to the UHF connectors.

7 Your cell phone blocker is ready. Enjoy it!

Blockage with jammers

A jamming transmitter sends a random signal (noise or pulses) with the greatest possible strength at a certain frequency and thus superimposes the original transmission. If jammers are used specifically, they are referred to as strategic jammer. These devices are also known as jammers and the process is known as noise jamming.

cheap signal jammers

Jammers are available for various radio protocols such as Bluetooth, WiFi, GSM, UMTS, LTE and GPS. Whereby the specific frequency of the radio protocols is disturbed. There are very simple and small devices that can only interfere with radio signals within a limited radius. For example, there is a small adapter for the car cigarette lighter with the function of interfering with the GPS signal. Portable devices with an integrated battery have a range of up to 20 meters under optimal conditions, depending on the version. Usually they can interfere with the signals in a room. Powerful stationary devices can have a range of up to 80 meters.

The use of jammers is illegal in Germany. They are primarily used by investigative authorities and the military services. Some of them are used in prisons to prevent illegal communication from prisoners. The challenge here is that no signals from outside are blocked, for example the cell phone signal to call the emergency call. Abroad, jammers are sometimes used in cinemas and theaters so that the events are not interrupted by a cell phone signal. Another use is, for example, the blocking of control signals from drones.

If such a jamming transmitter is used by attackers, it can be used, for example, to block the radio connections of surveillance cameras or window sensors of alarm systems. Therefore, interrupted connections must always be equated with an alarm. In addition, jammers can be detected by continuously testing a radio connection between two components with a cable connection. If the connection is interrupted, a jammer is active. Alternatively, but also more difficult to solve technically, the signal level, the strength of the radio signals, can be tested. If a new strong source is detected here, it could be a jamming transmitter.

DJI launches drone self-interception system

The recent frequent occurrence of drone accidents shows that drones as a consumer-grade technology product have continued to gain popularity. At the same time, the level of safety of drones is also increasing.

he Verge reported that the famous Chinese drone manufacturer DJI launched a new self-intercepting software system “Geospatial Environment Online” (Geospatial Environment Online, GEO) this week, which can prevent DJI drones from flying in No-fly zone.

uav drone blocker

The GEO system allows users to know where drones will be restricted, whether it is due to regulatory requirements or safety issues. This is DJI’s innovative approach to respond to the Federal Aviation Administration (FAA), which has been calling for more rules for drone flight over the past year.

According to The Verge, the drone jammer can prevent DJI UAV systems from flying in no-fly zones such as airports and Washington, D.C., and can also let users know which airspaces are temporarily restricted from flying, such as areas close to forest fires or major sports events. Sensitive areas around prisons and power plants are also restricted in the system.

However, users of DJI drones can still temporarily exit the GEO system and unlock some flight restrictions. However, if an accident occurs, the user will be checked by the regulatory authorities. Users who want to temporarily unlock must have a DJI-certified account and have registered credit card, debit card or mobile phone number information. If the drone is found flying in an unauthorized airspace, the supervisory authority can find the person in charge. However, drone users cannot close all flight restrictions, and areas such as Washington, DC are still completely banned from flying.

Why the actual working range of jammers is different

Here we are going to talk about the scope of work of whining, which is one of the most controversial equipment issues on the Internet and is the concern of most of the customers.

We know that every storage device has a different restricted area, which has already been mentioned. In general, the higher the force, the longer the stagnation radius. And the higher the force, the bigger the size of the WiFi jammer, and they also need a cooling system. For this reason, desktop jammers generally have a wider range of interference than portable jammers. So before you buy a jammer, you need to determine the type of whine you will need and the storage area you want. Both should be considered, then you can get what you want.

desktop mobile phone blocker

In the introduction of each interferer, we emphasized that the interference range of the jammer is only used as a reference, please anticipate the current situation. Jamming range depends on the local signal strength. Here we will try to explain why the manufacturer’s workspace often differs from the actual fact.

At the beginning, when the woe is made, it is tested. There are many necessary tests, such as battery life, transmission frequency, etc., including test congestion radius. The manufacturer always thinks that the test results are more effective than the actual range, as these devices are often tested in empty fields. They know that buildings and various concrete structures can impede the transmission of signals. And most of us live in big cities, we are surrounded by skyscrapers. While the local cell phone signal strength is also a factor of the impact. So don’t be surprised if your clogged device can’t block the phone within 30 meters of you.

Of course, you don’t have to worry about the woes that don’t suit your needs. There are many different types of signal jammers here. You can get what you want according to your situation. Like a general portable jammer, they have a very decent work area, especially if your main goal is to stop people around. I think they got to 5 meters which is enough, especially now that you are on the bus you want people to stop for a minute or two. Such a device will definitely help you.

Something about the frequency of GPS jammers

GPS jammer is the main role is to prevent GPS tracking device. We were told about how it works in the article “what is misery”. If you are concerned about someone chasing you, you may need a GPS jammer to prevent others from using the GPS tracker to track you.

gps signal jammer for car

Before you buy it, there is something you should be aware of about these devices. One of the main issues to check when purchasing a GPS jammer is its frequency of operation. Because GPS tracking devices use a variety of frequency bands, especially the GPS L1 band, but there are other frequencies to use, so you need to know the frequency and choose what you need to set their working frequency. Please note that the frequency of the jammer used must be the same as the frequency used by the GPS tracking device for the jammer to work effectively. There are hundreds of GPS jammers on the market so it should be easy to find a jammer that suits your needs and requirements.

If you don’t know the frequency of these trackers, don’t worry. There are many types of GPS jammers, some of which block a primary GPS L1 frequency, and some may be able to block several at once. Of course, there are many high-end models that can block any tracking frequency (GPS L1 L2 L5, GLONASS, Galileo, Compass, etc.) If you want to be sure you haven’t “followed” these tools are yours Option, and of course these devices can be quite expensive, so you should determine how much money you will be making. Surely the GPS jammer can help you keep GPS tracking.

GPS jammers have different qualities – battery life and the frequency of assistance. The most important is the frequency of device support. Battery life is also an important characteristic, and if you plan to use Jammer for a long time, it should be checked carefully. In general, the battery life of portable jammers cannot be used for a long time on a single charge. If you’ve been wanting to use Jammer for a long time. Desktop jammers are better because they are generally used when loading.

For more information about jammers, please visit https://www.jammer-mart.com/article.html