Tag Car | Blog Jammer-mart | Signal Jammers Car- News About Jammer-mart signal jammer blogpage 6

Principles of signal jammers in those examination rooms

In the annual college entrance examination and entrance examination, major operators will issue a warm reminder: In order to ensure the smooth flow of signals around the campus, the operators have arranged in advance for communication engineers to test the entrances and exits of each test center and the rest area of the parents accompanying the test, and conduct tests on nearby base stations. Software and hardware expansion to ensure the communication needs of parents in the test area during the test. Except that the signal is blocked during the exam, we have done our best to ensure that your communication is smooth. Every year in the college entrance examination, in order to prevent exam fraud, all communication signals in the examination room will be shielded. There are cell phone jammer in the exam room. Common signal jammers: At the same time, there is a radio monitor outside the exam room that can help fix those frequency bands that the mobile phone jammer can’t take care of. Electromagnetic wave signals, real-time monitoring of radio wave signals from unknown sources.

The working principle of the signal jammer used in the college entrance examination is to obliterate the useful electromagnetic wave signal in a large number of useless signals. Under normal circumstances, when we use a mobile phone, the mobile phone is first connected to the carrier’s base station, and the radio wave signals sent by the two parties come and go. However, when the jammer is turned on, gongs and drums will be beaten around the mobile phone, sending out a noise radio wave signal that is many times larger than the received base station signal power. The mobile phone can’t hear what the base station is talking about and cannot receive the base station’s signals normally. The connection was severed. Whether calling, texting, or other various functions, they are all in a paralyzed state.

jammer signal device Powerful

This is why the signal jammer affects the call and Internet access of mobile phone users around the examination room. The working principle of the jammer is as follows: in a certain frequency range, the mobile phone and the base station are connected by radio waves, and the data and sound transmission is completed with a certain baud rate and modulation method. Aiming at the above-mentioned communication principle, the jammer scans from the low end frequency of the forward channel to the high end at a certain speed during the working process. The 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. Eventually, the mobile phone has no signal and cannot receive text messages or calls.

The current mobile phone signal jammer is full-band. It can shield all the 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals under all the three operators of China Mobile, China Unicom and Telecom. Its principle is sent by itself. The frequency interferes with the mobile phone receiving the frequency from the base station and wireless router, so as to achieve the purpose of shielding them.

Prevent children from indulging in mobile phones-how to choose home mobile phone signal jammer

With the advent of summer vacation, primary and secondary schools all over the country began to have holidays, but the tests for parents have come one after another-what should I do if children are addicted to cell phone chat, what should they do if they don’t have a good rest and play mobile games in the middle of the night, children hold their phones all day and are indifferent to other things How to do? These are the questions I have received the most recently.

When encountering such consultations, I generally recommend parents to communicate with their children so that they can learn to self-discipline. However, some parents also reflect the actual difficulties and hope to purchase home cell phone signal jammer to interfere with/cut off cell phone signals. Yesterday, an older brother hoped that his younger sister could concentrate on studying. He sacrificed the fun of playing with mobile phones and bought a cell phone signal jammer. My heart is still very warm!

handheld signal blocker

Then let’s talk about how to choose a mobile phone signal jammer at home (to prevent students from indulging in mobile phones)?

Shielding range: The shielding range is proportional to the power. For low-power signal jammers, one is enough to install in a room, and the shielding area is about 20 square meters; while for high-power jammers, the shielding distance can reach 100-400 square meters. The local field strength is different or whether you need to go through the wall to decide (some parents will choose to install the mobile phone signal jammer in their own room).

Signal strength: The distance between the surroundings and the signal base station and now many cell buildings have signal base stations or signal amplifiers. According to the shielded frequency band: Before purchasing, you need to know which signals you want to shield. The ordinary mobile phone signal (2345G) can be selectively shielded. If you only shield 2G or only 345G, this can be adjusted before leaving the factory. There are 2.4GWIFI, 5.8GWIFI, VHF, UHF and other frequency bands. Here we need to explain the function of each signal frequency band. Simply put, 2G is the frequency band for making phone calls, and 2345G is the frequency band for mobile phones to access the Internet, so it depends on the specific shielding frequency band requirements.

Appearance: The appearance of the mobile phone signal jammer can be divided into an external antenna and an internal antenna. In general, the external antenna is externally installed and stretches out, so it takes up more space than the internal antenna. The volume is larger; because of the antenna extending outward, the effect of the external antenna is more stable.

Power supply: Generally, the power supply of the jamming device is the built-in lithium battery. After the power is used up, the power adapter can be used for charging; the desktop examination room uses 220V voltage power supply, and the car-mounted vehicle generally uses 12-36V voltage power supply.

What are the advantages and application prospects of the mini wifi signal jammer?

I want to cut off the WiFi and Bluetooth signal and no one else knows that you cut off the signal. Any good idea will help to achieve the goal? Now the answer is of course to only use the hidden mini Bluetooth jammer. It’s just here. It can provide you with an unmissable opportunity to obtain high-quality mini wifi jammer.

Although there are many handheld WiFi bluetooth signal jammers on the market that can block WiFi bluetooth signals, it seems not so easy to find a hidden style, but only in this channel you will gain access. Take a look at the hidden mini Bluetooth jammer, it has the features you need. Then, just look at the details of this “mini handheld WiFi jammer with built-in antenna” as shown below.

portable gps jammers

This mini jammer is only used to interfere with 2400-2500MHz WiFi Bluetooth signals, with an output power of 0.5W. The output power of this handheld WiFi Bluetooth signal blocker is not strong, but due to the use of ultra-high frequency and micro-power interference technology and high efficiency, the effective interference range of this hidden mini Bluetooth jammer can reach 20 meters.

And according to the palm size design, whether you want to hold the hidden mini Bluetooth jammer or just put it in your pocket, you can easily reach your goal. In addition, because the car charger is also equipped with this hidden mini Bluetooth jammer, it can also be charged when people are driving.

Cell phone jammers are used to combat trade in the Philippines

In the Philippines, as part of the campaign against human trafficking, government immigration officials used mobile jammers at Ninoy Aquino International Airport (NAIA).

Immigration said it plans to install high-performance jammers in all of the country’s international airports.

Immigration chief Ronaldo Ledesma said the jammer was a tool to help curb airport traffic.

Ledesma added that the trafficking group connects cell phones to the intended victims.

An immigration official asked not to call it, he said: “The usual destination for traffickers is the travel visa for foreign Filipino workers, the so-called travelers.”

Immigration officials said how the gangs work “sometimes they are only with a few immigration officers at the airport and display the intended victim or victim of cell phones at a specific queue or counter.

The use of cell phone jammer is one of several measures undertaken by business intelligence and interinstitutional anti-trafficking programs, and it has been reported that there has been an increase in the number of Filipino trafficking cases.

Ledesma emphasized: “These mobile jammers will certainly strengthen our fight against human trafficking.”

He said that the office’s real estate department had been ordered to obtain the necessary licenses from the National

To receive the Telecommunications Commission (NTC) to operate the NAIA handsets again as soon as possible.

The Commission is a government agency under the Ministry of Justice that oversees the implementation of Act No. 9208 or the 2003 Anti-Trafficking Act.

John Tugade, head of the BI real estate department, said the jammers and their servers are still available in NAIA.

Jammer jamming the driver’s phone

Some people cannot withstand all the noise on their daily commute. A cell phone jammer will appear. The number of websites offering similar devices has increased significantly. You can cater for different situations. In many cases it has a great effect. You can interfere with the incoming communication of your smartphone. Mobile phone etiquette should be taught and solved. Designed with adjustable buttons. Many conveniences have been increased.

It makes it impossible to receive radio waves and forces it out of the service area. If you use your phone while driving, it will take a few seconds to answer the call. Most people are dissatisfied with this. There is a risk. How to solve the problem? Introduces a GPS jammer that blocks the signals of all mobile phones within range. Not only are you safe, but you can enjoy a quiet time by taxi. Requires extensive use of signal jammers.

Answering the phone while driving will distract the driver’s attention. The portable design allows you to take it with you wherever you go. Public awareness is rising about the intrusive and disruptive mobile phones introduced in our lives. Many functions are applied. The need for smartphone electromagnetic wave covers for functional mobile phones is also increasing. It may also be used for military purposes. Makes it easy to buy a good cell phone signal jammer.

Jammer adopting excellent technology

Mobile phones play an important role in our lives. Many people are interested in this device. There are noisy talkers sitting next to each other on public transport. I have some dissatisfaction with that person. In order to get a quiet commute, we utilize a cell phone jammer that blocks the mobile phone from receiving signals. Just press the button on the top of this device to disable the use of the surrounding phones. This product uses excellent technology. It is commonly used to control or interrupt a signal.

This is a very useful product for use in places where mobile phones tend to cause trouble. It’s an effective way to stay calm. You may be interested in adjustable jammers. You can get cell phone signal jammers. Choosing the right type of cell phone signal jammer is important. The signal can be blocked in a wide area. Purchase this GPS jammer to protect your personal privacy. The driver used a powerful jamming device to deactivate the tracking device in the working area.

When the jammer is activated, it blocks all signals. Mobile phone jammers are used in places such as movie theaters and libraries where you can enjoy the silence. Other businesses may also want to use jammers. Use this device to help keep people in your building or facility safe. It may interrupt the bus driver’s communication. Sometimes used for prisons and military. There are many choices for radio jammers.

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.

The real intention of using Jammer

Over the past two or three years, with the gradual growth of the mobile phone shielding market, the variety of mobile phone shielding products has been overwhelming throughout the mobile phone industry.

Currently on the market, Signal jammer product is called: signal interference phone, cell phone jammer, jammer, cell phone protection device, in fact, these are the same product, is the same function, namely: a single electronic device Any electronic device can basically work on multiple communication bands including GSM, DCS, CDMA, WIFI, 4G PHS and even 3G. Shielding system in the smartphone, smartphone protection systems, alarm systems, cell phones, in fact these are basically the title to play, do marketing: there are some so-called OEM manufacturers or OEMs of the manufacturer of advertising practices as follows, the change in frequency, of the product type or product intentionally picks up something from the original product representative to give the user the feeling of a new idea or that the product has many improvements, such as the so-called “smartphone protection system”. Obviously a single cell phone signal jammer sells , also called “protection system”, is a malicious advertising product.

signal blockers

We continue to believe that: 4G jammer is a separate shielding products, can not be called the protection system, a protection system can be centrally controlled using a variety of shielding products can be integrated to provide a highly centralized control of the shielding System to form products
I develop a series of smartphone screen management system “, the first to open up to domestic industry, based on the power of long-term programs, intelligent management technology integration (220V / 110V / 380V, 50Hz / 60Hz) to support the control signals to transmit, remote control devices installed on the use of multiple units (usually more than 10) computer signal interference, cell phone jammer can achieve point control, group control, total control, can regularly check and plan each plan can automatically query, Automatic alarm automatically requests for phone jammers or signs, etc.

Welcome all retailers and new and old customers to buy our new products, so we never cheat a customer to tell the truth products help customers choose their own jammers, with the least money on most good product and service.

Radio wave blocking device facing serious problems

With the rapid spread of mobile phones, there are many cases in which others are bothered. The ring tone of the mobile phone disturbs the viewing of the movie and gives discomfort. There are spectators who do not follow manners. This is a problem. There is a discussion on how to deal with mobile phone issues. Out-of-range equipment will be on the market. Widely used in countries around the world. A device that is facing various problems. It interferes with mobile phone communication. You can prevent information leakage.

Free Wi-Fi access to public places. WiFi uses the 2.4 GHz frequency band. It’s a very convenient way. There is also a problem. You can also easily share information. There are phenomena such as wiretapping and theft of personal data. To solve these problems, we have developed a wifi jammer . Protect your data and privacy. It is designed to block wifi networks. It helps prevent the disclosure of sensitive information. It is considered the best way to protect yourself.

Because you use a smartphone, your student’s grades will decrease. This is a serious problem. The teacher will explain the materials. I endure such indifference from the student side. We will stop at such behavior. This site can solve this problem. Many GPS jammers are available. There is also a handheld design. You can easily put it in your pocket. Not all mobile phones work in the classroom. It is widely used in public places.

Customers have a basic understanding of mobile phone jammers

It’s no exaggeration to say that people are hearing about cell phone jammer and other types of signal blocking equipment for the first time, and in general, they have little understanding of jammers, and thus know nothing. But anyone can decide which type of jammer to buy. And they have reached the goals they want to achieve through the mobile jammers they purchase. We have to study various knowledge here.

portable gold cell phone jammer

We need some useful information for customers to purchase a mobile phone jammer, but it is only a universal explanation of how to use the GPS radio wave blocker and where it is applied. However, product specifications are also important. Through the product specifications, customers can easily understand the working principle of the signal jammer and help distinguish between different types of radio wave blocking devices. It’s generally very difficult to find this type of information, but anyone has to spend a lot of time on the working principle of that mini jammer .

If you see this, I’m sure you’re looking for how the wifi jammer works and what makes other types of products different. For ease of understanding, here is a description of the parameters and working principles of the portable jammer technology.

All major technical parameters and major functions are incomplete descriptions in other regions, but are fully explained here. With the development of modern technology, a new article on the details of super powerful cell phone jammer work will appear here for you to have all the information immediately. With this information, you decide what type of mobile jammer you will buy.

Communication function suppression device. Development background and utilization of mobile phone suppression device

While convenience has improved due to the rapid spread of communication devices such as mobile phones and PHS, ringing tones of communication devices and noise caused by telephone calls have become a social issue in spaces such as theaters and halls where a quiet atmosphere is required. I will. In one hall, concerts by prominent conductors have even been interrupted. For this reason, the current situation is that operators such as theaters are strongly demanding the development of effective countermeasure technology.

desktop mobile phone blocker

To prevent ringing tones and calls from mobile phones, PHS, etc.
For this reason, there is a movement to prevent annoyance due to ringing sounds, etc. by using wireless equipment (mobile phone suppression device) that has the function of suppressing ringing sounds and calls from mobile phones.

What are deterrent devices such as mobile phones and PHS?
Cellular phones and PHS communicate using radio waves.

A communication function suppression device such as a mobile phone is a device that emits radio waves in the same frequency band as that used by a mobile phone or PHS so that the mobile phone cannot be used around the device.

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.