Category: Tag Frequency

With the rapid development of technology, various signals have become more destructive, and the use category has also increased. The scope of application has been extended to many industries, including airports, hospitals, libraries, university examination rooms, etc. If a discreet person uses a signal jammer device, important files can be protected from theft. The WiFi network has become a must for work, but even if we set a password for the WiFi router, someone can easily crack it, and then access your network and use it. In this case, some hackers can steal your data without your knowledge. Therefore, more and more people pay more attention to network security, and some fields have gradually used frequency band jammers that can interfere with various bands.

The character of the cool camouflage jammer

Here you can see many different types of whine. For different situations that you need, the cell phone jammer is also different. Some people have to be portable, some people need the desktop, there are people who need remote control, they are easy to control the device.

Camouflage handheld phone jammer

The interference area is not too wide for personal use and must make moving easier. At this point, mini jammer is undoubtedly a good choice. You can see that in our shop there are many types of portable jammers that have different functions and look. Here we present a camouflage six-line handheld jammer.

This has a radius of interference on 20m portable cell phone jammers are camouflage, the appearance is very characteristic. It looks cool.

Of course, in addition to the exquisite appearance, it is also very characteristic from a technical point of view, that is, it is a display that is not the same as other wrists. This display can show the status of work, performance, temperature, etc. so that you can easily use it. The supported bands include GSM, 3G, 4G, 4GLTE, GPS, WiFi and Lojack, with several options available. In addition, it can control each band separately.

If you use a telephone jammer, you will not be interrupted during important meetings or other personal telephones, or you can sleep well at night if you do not want to be disturbed by telephone. This interference product is easy to install and environmentally friendly, will not harm human health.

The product is available, we guarantee delivery within 24 hours and for all of our products to provide a 1 year warranty.

Handy blocker keeps your location secret

If you have never used a jammer before, it is important to emphasize that this device should cut the signals from GPS devices. The gps signal jammer perfectly blocks the transmission of GPS signals and gps so that gps devices cannot recognize your specific location.

The type and model of GPS jammer have different technical specifications, so we recommend that you carefully study technical functions before buying. Each cell phone jammer has a different blocking radius, which is positive from 5 to 100 meters. Nearby GPS devices will work fine. Furthermore, GPS blockers are equipped with a rechargeable battery and when fully charged you can use it for a long time Use time without a stop.

adjustable gps jamming device

Also gps jammer can have different design, so you can choose portable or handheld gps jammer and desktop. To order, you have to decide whether you want to use it in one place or you will use it in different places, you can protect it to take all the time, then you have to buy portable GPS jammer. With the small size and light weight, you can take portable GPS blocker anywhere you go, which is very practical. What is more there is GPS signal blocker that can block several types of signals. Imagine a jammer can block gps signals, signals from mobile phones CDMA / GSM (860-970MHz), DCS / PHS (1805-1930MHz) and 3G signals (2110-2170MH).

www.jammer-mart.com is a leading provider of jamming products.We offer you a wide range of best quality jamming.And our customer service is always ready to help and answer all your questions.

Scientists are turning cell phones into jammers

Use network vulnerabilities to make your phone a distracting device, interrupt a small city network, only need a dozen cell phones. Researchers have found a way to make ordinary phones whine.

In some cases, mobile phone calls will be disturbed, such as B. In a movie theater, classroom, or conference room. Phone calls are prohibited in some places. The prison will install cell phone jammer to prevent the prisoners from smuggling. This “interference” is unsuitable in the hands of individuals and is expensive, energy inefficient. They are also a security risk because they prevent emergency calls.

Computer scientists have now shown that even commercial cell phones can become wailing due to software changes. A team led by the Institute for Software Engineering and Theoretical Computer Science exchanged the software on cell phones and exploited their weak points in the GSM radio standard. Computer scientists presented their results in a security seminar.

Run optimized open source software on a changed phone. Therefore, they defraud radio antenna masts – just like cell phone jammer – and immerse the frequencies in the small area of the jamming signals. Fault phones can prevent text messages and phone calls from being sent to recipients across the region: falsifying fake identities and answering questions with strange names. In the worst case, you can even block text messages.

Because radio stations send hundreds of square kilometers of status information before they are called. This process is called paging. The study’s lead author said, “A call is ready to be sent to all phones in the area.” It contains an identification number with which each phone can check whether it is on the device. ”

However, the changed telephone answers these queries faster than the other telephones and accepts them, calls and texts. For transmission towers, it looks as if the real recipient has been notified. But he didn’t learn anything. In the best of circumstances, only the phone is lost without a call. In the worst case, even text messages can be intercepted and read, due to the cracked encryption and the lack of identity verification.

So far, computer scientists have only tested the GSM standard more than 20 years ago, but many modern smartphones are used when needed. In addition, the researchers wrote that this gap threatens communication between the machine and the future Internet of Things. Even new UMTS or LTE networks can be vulnerable. Golde said: “Many GSM protocols are duplicated and pager mechanisms exist in both third and fourth generation mobile standards.” A similar attack could be here. “But so far the right hardware, especially software, is missing.

The computers computed in her study mirrored Berlin’s previous ones as long as eleven cell phones could weaken the city’s network. Scientists explain: “They can respond to all paging requests and block cellular areas.” This can affect the entire community. However, more calls were needed to cover requests from more disruptive providers during rush hour, with an average of 200 square kilometers in Berlin, where attackers could cover the area.

cell phone jammer is difficult to track

The researchers say that such attacks can only be prevented by changing the GSM standard. These will be difficult to implement. They complain that the industry refuses to include new standards in the existing network. It will also be expensive, as more identity verification and traffic can address this vulnerability.

Since attacks target not only network operators and groups, but also individual users, they can cause further financial damage in the event of a security breach.

Jammer Common Sense

A jammer sends a random signal (noise or pulses) with the greatest possible strength on a certain frequency and thus overlays the original transmission. Strategic jammers are used when targeted jammers are used. These devices are also known as jammers and the process as noise jamming.

Jammers are available for various radio protocols such as Bluetooth, WiFi, GSM, UMTS, LTE and GPS. 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’s cigarette lighter with the function of disrupting the GPS signal. Under optimal conditions, mini jammer with an integrated battery have a range of up to 20 meters, 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.

Mobile Phone Jammer

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

If such a jammer is used by attackers, it can, for example, block the radio connections from surveillance cameras or window sensors from alarm systems. Therefore, interrupted connections must always be equated with an alarm. In addition, jammers can be identified 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 jammer.

WiFi wave breaker for office

There are many types of jammers. When you work, you need a quiet environment. I’m having trouble ringing my phone during a meeting. I don’t like the calls of cell phones. There are certain measures that need to be taken to provide a quiet environment for the office. Using out-of-range equipment for wireless signals is one of the countermeasures. Here are some jammers that apply to the office. This site is full of high quality jammers. Please come here. You can suppress unwanted signals. It really helps to make life more convenient, comfortable and safe.

signal jammer device Wifi

Many employees use their cell phones for long hours when they work. You need to install a cell phone jammer in your office. Manage employees as a boss. It is difficult to improve work efficiency. There is a demand for employees not to use mobile phones in order to increase the work efficiency of office workers. This rule is strictly regulated. However, it is not working. Many people sneak in smartphones. Cell phone jammer helps to solve this problem. Using this product, employees will not be able to shop or play games online. This is to block all signals.

This product has a wide range of applications. You can block up to 30 meters depending on the signal strength of the designated area. If you do not want to affect other areas, you can use its adjustable function to adjust the cutoff radius. It is possible to use this mobile phone wifi jammer in the office. It does not affect other areas. You don’t have to worry about heat dissipation issues. The function is designed with a cooling fan inside. Want to get a jamming device for the office that has the ability to suppress all the signals of a mobile phone? Take this opportunity to take a look at Wi-Fi radio blockers.

I want to request an attractive radio jammer

Young people these days are too rude. Unpleasant conversations are prohibited. The jammer sends signals at the same frequency. The cellular signal area is disabled. The original jammer was developed by the military and used for communication purposes. It is used to control where the enemy communicates. Currently, the number of smartphone users is increasing every day. By comparing with telephone jammer electronic equipment used to eliminate telephone signals in certain places, cell phone jammer has become civilian tools.

Bluetooth jammer blocker

There are many wifi jammer , such as stationary. I’m sure I want to get an attractive product. Essential for cities of smart security. I am facing security issues. If you’re having a lot of noise on your phone, you’ll need to buy a jammer. This product is effective in blocking the transmission of signals to and from nearby base stations. I think that it is difficult to use a sawtooth wave because the mobile phone signal has a large frequency band (width). Here you can get high quality products at low prices.

Radio waves of high-speed data communication have a high probability of jamming. Annoying people leave their cell phones and call out loud. Ignore the feelings of others. Cut off the signal. I have failed experience. You need to take a positive attitude toward failure. I turned on the power of the radio jammer and checked the radio reaction of the smartphone. This smartphone jammer also supports various types of jamming. It may be said that the product has a wide range of applications. This site collects attractive products.

Phone signal jammer type

Technology is growing very fast. It may harm your personal information. This site wholesales smartphone jammers. We provide high quality jammers to our customers. Has the best features. There are many types of jammers. You need to know the type of jammer that can be applied when trouble occurs. It offers complete protection against surveillance spy trackers and other equipment used for surveillance and positioning. It has the ability to adjust the range over which the signal is broadcast.

There are 3G/4G jammer, GPS signal jammer, radio signal jammer, RF jammer and unmanned machine jammer. The drone, which has become a hot topic in recent years, is often used for aerial photography. The drone has the ability to take pictures and take videos. Information may be leaked in public places. You can use drone jammers to prevent drones that infringe on your personal safety and privacy. GPS Jammer is the best tool between police and military to prevent terrorism.

There is a device called a high frequency jammer. Jammers can interrupt two-way communication between the phone and the base station. The RF jammer is a fairly simple device. The simplest jammer has only an on/off switch and an LED to indicate power to the unit. It has an external antenna. The smartphone electromagnetic wave cover allows the user to select the frequency required for the jamming. Disables signals within radius for a few seconds at startup. It can also be used in the car. Must be fully charged before use.

Introducing the super strong jammer

The currently widely used mobile phone standard is our gsm global mobile communication system. GSM standard equipment accounts for more than 80% of the current global mobile phone mobile communication equipment market. Used well, but probably the most familiar with using cell phones. Yes, calls and text messages rely on gsm to provide stable network data types. But the gsm network is much more than we know. high power jammer is one of the guidelines that many electronics manufacturers are familiar with and are studying with great care. Although used in many fields in life, gsm module has applied general access control security system and GSM network car security system and robot.

high power signal jammer

GSM also supports indoor coverage The power of outdoor antennas can be distributed to the indoor antenna distribution system via a power distributor. This is a typical setup scheme used to meet typical high density call requirements in homes at shopping centers and airports. Indoor coverage can also be achieved with wireless signals throughout the building, but this improves signal quality and reduces interference and echo.

Why do you need a jammer?

GSM is the basic network frequency band for mobile phone voice and SMS services. As is known to all, improper use of mobile phones is serious and the use of mobile phones in public places makes a great noise impact on others. Is someone suddenly calling out loud when annoying while reading or relaxing in silence? I think so. We don’t want to be disturbed when we need to be quiet.

gsm network bandwidth is very important for the use of electronic devices. Therefore, in many places where the use of mobile phones is prohibited, interference devices are installed that interfere with the basic communication of mobile phones. This is also known as gsm jamming.

In order to buy a gsm jammer , in addition to the gsm network, you need to shield the signal type, such as whether you need to shield the 3G, 4G network band. In this way, you can buy a cell phone blocker that shields all cell phone signals. In addition, since you have purchased an electronic interference device, you need to consider where you will use it. Portable jammers facilitate indoor and outdoor use, while desktop jammers use multiple antenna designs. As its name implies, it will be widely used not only in individuals but also in prisons, courts and other large venues. It has a wide interference range and more types of signal shielding.

Personally, I recommend the 8-antenna portable gsm scrambler. It is sufficient for your needs and provides a quiet reading environment whenever you need to be quiet. For businesses and important organizations, powerful multi-antenna desktop jammers will be a better choice for you. This is very noticeable in terms of function and interference radius and is considered sufficient for large scale applications.

Story of drone and mobile phone jammer on NHK News

Knowledge of drone and 4G phone jammer week frequency

By Wikipedia’s explanation, FPV (first person view) is called RPV (remote person angle) or video navigation. It is a backpass facility with a built-in wireless camera based on a remote-controlled model airplane or car model, which is a new way of playing the model on the ground while watching the screen. Over the last few years, more and more people are using drones. This type of FPV utilization is most often seen.
The drone is actually a pilot’s eyepiece surveillance, a higher version of the drone incorporates two in-vehicle cameras and a portable jammer 4g in the pilot’s eyepiece. Can be 3D view

Cell Phone Frequency Jammer

Wi-Fi Radio Blocker Let’s study basic knowledge about week frequency

2.4GHz and 5.8GHz are the two most common frequencies for being connected to terrestrial radio transmitters and UAVs. The 2.4 GHz band is a common radio frequency. Often used to connect to ground-based transmitter axis aircraft and UAVs. If you know more about frequencies, you may know that the 2.4GHz band of unwanted cell phone jammer is also used in wireless computer networks. Therefore, it can be expected that there will be many accidents that lost control of the aircraft in densely populated residential areas with too many radio signals.

Another problem with drones is that they interfere with the vehicle’s navigation system. This is mainly due to the fact that the two transmitters worked together, one transmitting the guided wave number signal to the vehicle and the other transmitting the video signal to the driver.

The 5.8GHz band is used in 4-axis aircraft technology to avoid entanglement of the same frequency band with other RFs. This weekly wave number is found in the Dow Phantom model. Let’s see how UAVs work around wireless frequency issues

Phantom 1 This drone works in the 2.4GHz band. If you plan to participate in FPV, you will have to do it yourself using the 5.8 GHz frequency of the mobile deterrent jammer to avoid common problems.

If you use GOPRO or any other action camera’s unique wireless system, remember that the wireless option is turned off. Otherwise, it could interfere with the aircraft. The Phantom FC40 drone has adopted a radio frequency of 5.8 GHz. And since it has a single 3.4GHz system, you can send videos and photos to your pilot.

Phantom 2 Because this drone uses control at a 2.4 GHz radio frequency of a drone jammer , you have to use additional tools. So we use the 5.8 GHz frequency to carry the FPV signal.

Phantom 2 Vision and Vision+ These two types of drones use 5.8 GHz and 2.4 GHz FPVs separately and utilize smartphone application connectivity and telemetry.

Portable jammer final conclusion

Therefore, if you bought a phantom UAV without a camera and other drones, you should use the 5.8 GHz frequency and FPV. By the way, it is worth noting that the RF signal is said to be a LOS mobile jammer or visual signal line. If there is no barrier between the UAV and the remote control, it will show that they cannot work. The best flying area of the drone is directly visible to the naked eye. Otherwise, you could damage or lose your drones.

How to interfere with a GPS tracking device mounted on a commercial vehicle

Yesterday. Come to work as usual. When I try to go to sales, I ask a few coworkers who are close to me what I can’t see on the dashboard. Then, from this month, some of the employees are equipped with GPS tracking devices!

Although it is said that it is for safe driving ostensibly, the data is sent to the boss every month.
It’s about how much money it takes to attach just one such device, or how much it will tie up employees!

but! It doesn’t work for me. Just as there are radars that can catch the radio waves of automatic control devices (radars), there are convenient devices that support such devices. That is the gps jammer/satellite jammer.

It lasts for about 2 hours on one charge. Fortunately, a car charger is also included so you can charge while running.
This can really be used to interfere with the GPS device mounted on a company car.

How to use GPS radio wave breaker 8341HA-5

The GPS radio wave breaker 8341HA-5 comes with a charger from the power supply and a car cigarette lighter charger, and it is a simple design that operates by simply turning on the switch on the side of the main body.

Who Uses GPS Radio Blockers?

Until now, if GPS could be attached, there was no choice but to find it and remove it, but for those who are scared of GPS, good news!

Is it equipped with a GPS transmitter? Is it equipped with or has Cocosecom!? If you are worried about that, it will definitely be your strongest ally! When you get in the car, the switch is ON. !!

There are many GPS tracking apps (current position tracking function) on your smartphone. Even if it is installed without permission, there are many cases where the person does not notice it, which is the same as being monitored by someone at all times. A GPS radio blocker will protect your privacy from GPS tracking apps.

Smartphones can do quite a lot of things, which is convenient, but a GPS app that was set up without knowing it is a pretty bad person, and there is a possibility that personal privacy is leaked with other apps, so it is a normal mobile phone. I hear that some people return to (calla).

How to cut off GPS radio waves from commercial vehicles ①: Satellite jammer
There is a method of using the item called satellite GPS jamming system/satellite jammer in order to block the GPS radio waves attached to the commercial vehicle. With such an item, it will be possible to block the GPS signals attached to business vehicles and company vehicles without being known to the company. Since it is a radio wave jammer, it can block not only GPS but also radio waves from mobile phones.

Method to cut off GPS radio waves of business vehicles ②: 8341HA-5
As a method of blocking the GPS radio waves of business vehicles, we also recommend carrying the item called GPS radio wave blocker 8341HA-5 with you. This item is an item that can cut off all GPS phones with one touch, so anyone can easily cut off radio waves even if any type of GPS is attached to business vehicles or company cars. Let’s

Since it can be easily turned on and off, it seems that GPS is in bad condition by chance.

It’s easy to use just by turning on the interference device, so if you want to shut off the GPS signal, you can receive it when you want to block it now, so you will not be suspicious. If you turn it on or off, you’ll probably find that your GPS isn’t working.
This method is also recommended in order to block the GPS signal from commercial vehicles.

If this mobile phone deterrent device is installed, the mobile phone etc. will be out of range and you will not be able to make or receive calls.

Nowadays, there is a movement to apply this device to prevent wire fraud. In wire fraud, it is also common for criminals to guide victims to ATMs. The criminal gives instructions to the victim through a mobile phone and tricks the cash by operating the ATM remotely. Therefore, there is a high possibility that a call disturbance around the ATM will lead to the prevention of crime.