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2024-04-06 11:23:05

Cell interference The use of devices to interfere with radio or wireless signals.


In some burglaries, thieves have figured out how to use technology to evade surveillance cameras.


This is called cellular interference, and it happens when a person uses a device to interfere with radio or wireless signals.


According to the FCC, "The use of telephone mobile jammers , gps blocker interceptors, or other signal jamming devices designed to intentionally block, interfere with, or interfere with authorized radio communications violates federal law." There are no exemptions for use in businesses, classrooms, homes or vehicles."



Cell interference may occur with devices or home cameras approximately 30 feet from the intended target.


Video from the south Charlotte neighborhood showed a suspect crawling across the yard at night, but not all of the incidents were caught on camera.


"Any time you have a wireless device, whether it's on Wi-Fi and so on, you know people are going to find a way - how to jam it, how to try to stop something from communicating," said John Shocknesse, vice president of security customer operations at CPI.


Within moments, someone can be seen on the camera, but with cellular interference, with the flick of a switch or the press of a button, that person disappears, or nothing is recorded.


The CMPD says the problem has occurred in some burglaries in South Charlotte.


"We haven't seen any of this activity, so it's most important that we're aware of it and make sure we have the best technology and the latest technology," Shocknesse said.


WBTV asked him which devices are more susceptible to cell phone interference.


"I think where it comes into play is with some older wireless devices that don't have encryption," Shocknesse said.


Newer security and monitoring systems have better encryption and are more secure, he said.


"I really don't think we can emphasize enough the importance of having cameras and some on-board recording," Shocknesse said. "The cameras we put there have storage devices on them, so even if something goes wrong, you can still record what's going on and you can take it to the police station."


Complementing this advice, he said the best solution to prevent cell phone interference is to adopt the latest encryption technology and wired devices instead of Wi-Fi.


As for preventing break-ins, following a few simple tips, such as maintaining good lighting, turning on an alarm system, and trimming bushes to no higher than three feet, may be effective.




コメント数:(0) カテゴリ:jammers 11:23:05
2024-04-05 12:22:13

Advantages of cell phone signal jammer


Cell phone jammers prevent and disable any mobile phone communication from entering specific areas of a building or open space to...



  • Prevent industrial espionage using mobile devices as eavesdropping devices or for taking photos (cameras)

  • Counter terrorist threats, such as remotely detonating bombs in high-risk areas

  • Eliminate public nuisance in places such as cinemas, restaurants and churches




How cell phone blockers work


Cell phones are two-way radios that communicate via cell towers. cell phone jammer work by sending a strong signal on the same frequency used by mobile devices to effectively interfere with communication between the device and the cell tower. The result is that the mobile device does not work and "No network" is displayed.


Physical description of cellular jammer


It comes in different sizes and shapes. Some are pocket sized, some are bigger. Some masquerade as plain phones or briefcases.


Precautions before buying a mobile phone jammer:


• What is the effective interference range (10-50 meters above)


Which cellular systems can it block (cdma in North America, gsm, tdma, 4G, 3G amplifiers, pcs, dcs or all?)


• How many cellular systems can it block simultaneously (cdma, etc...) (Low-end models can only block one type at a time, while more complex models block multiple systems at once)


Indoor 3G cell phone signal blocker


As we all know, for a certain purpose, in order to achieve the ideal state, now mobile phone signal blockers are used to help people achieve the purpose, and in the various types of mobile phone signal blockers sold on the market to buy one that can meet your requirements is the best choice. For those who are looking for a signal blocker that can cut off 3G cell phone signals and also has adjustable features, they can take a look at this "4 antenna Adjustable Cell Phone Signal" remote control jammer that will be introduced here soon.


As we all know, in different situations people may need to cut off the signal of different frequency bands, if this is the case, gain one with adjustable function may be a good choice, because it allows you to choose the interference frequency band you want, and since this 3G mobile phone signal blocker design has adjustable buttons, so you can easily reach the target. In addition, since this is a high-power 3G phone jammer and is designed with 4 antennas, it can also easily cut off 2G 3G phone signals at the same time. This adjustable 3G mobile phone signal blocker features a high-power design that interferes up to 40 meters depending on the signal strength in a given area.


More importantly, the 3G mobile phone signal blocker is also designed with a good cooling fan system, so that the 3G mobile phone signal blocker always maintains a good working condition, without producing high temperature harmful to the 3G mobile phone signal blocker itself. Therefore, one aspect that people will also consider is the application field of this high-power 3G mobile phone signal blocker, if so, you do not have to worry about this high-power 3G mobile phone signal blocker, you can easily use it in churches, churches and other places, theaters, concert halls, classrooms, libraries, banks, museums and other places do not allow loud talk, But some people can't resist talking on their mobile phones, and other places where the use of mobile phones is not allowed, this 3G mobile phone signal blocker can also be used.


4G cell phone signal blocker


The full name of this handheld signal blocker is "6 antenna Handheld 3G 4G full frequency mobile Jammer", this is a 3G 4G full frequency mobile jammer, with 6 antennas, in addition to cutting off 3G, 4G(LTE) and 4G(Wimax), the jammer can also block normal 2G mobile signal at the same time. Such as CDMA, GSM, DCS and PCS mobile phone signals. And with a portable design, it is lightweight and can use a rechargeable battery as a power source, so this portable 3G 4G signal jammer is easy to remove when needed.


So while this is a handheld 3G 4G phone jammer, it's also designed with a high-quality cooling system so you can use it without worrying about the temperature. In addition, this handheld 4G signal blocker has also been designed with an on-board charger, so that it can easily be used in the car, so for people who need to use this handheld signal blocker in the car, just choose this one. . Therefore, this handheld 4G mobile phone blocker is also designed with selectable buttons so that you can decide the interference frequency band according to the actual situation you are in.





コメント数:(0) カテゴリ:jamming 12:22:13
2024-04-03 11:59:03

The use of signal blockers to ensure security at public events is a complex issue and may involve a range of legal, ethical and technical considerations. Signal blockers are mainly used to block or interfere with wireless communication signals, but their use needs to be carefully considered to avoid interference with legitimate communications and possible adverse consequences. If necessary, the use of signal jammer should be carried out by trained security experts, while ensuring compliance with relevant laws and regulations wifi jammer.


jamming bluetooth signal

Here are some possible scenarios to consider:


Terrorist attack prevention: In some cases, signal blockers may be used to prevent terrorists from using remote detonating devices, such as those triggered by cell phone signals. In this case, signal blockers may be deployed around public events to block remote trigger signals for explosive devices.


Communication Management: In some activities, wireless communication may need to be restricted or managed to ensure the security of the activity. For example, at high-security events, an individual's wireless communication devices may be restricted to prevent them from being used to transmit sensitive information or as part of a detonating device.


Electronic boundary Settings: Signal blockers can be used to create electronic boundaries that limit the use of wireless communication devices within a specific area. This can be used to restrict unauthorized persons from entering or leaving an area, thereby enhancing the security of the event.


However, it is important to stress that the use of signal blockers can have a negative impact on public communications, including emergency communications, emergency services and the general public. Therefore, when using a signal shield, it is necessary to carefully consider its possible adverse consequences, and take appropriate measures to minimize these effects. It is best to use a signal blocker under the guidance of a professional safety expert and in compliance with all relevant laws and regulations.




コメント数:(0) カテゴリ:wifi 11:59:03
2024-04-02 17:22:31

If you are concerned about being recorded either in public or within the confines of your home, employing a cell phone jammer is the most effective solution. This device will effectively block any attempts to record, ensuring your privacy.


The functionality of cell phone jammers involves blocking the signals of nearby cell phones, rendering them unable to send or receive information. It is crucial to carefully consider different aspects before purchasing a cell phone jammer.


Price is a crucial aspect to consider. It is contingent upon the level of advancement you require for your jammer and the specific additional features you seek. Generally, basic cell phone jammers, capable of blocking signals, are priced lower than wireless jammer and remote control jammers. It is advisable to bear in mind that the wider the working radius coverage, the higher the corresponding price.


Prior to utilizing a cell phone jammer, it is essential to understand the frequency at which the device functions. In the United States and Canada, for instance, the frequencies are 850MHz and 1900MHz. Hence, it is advisable to take note of this to prevent acquiring a cell phone jammer that is not suitable.


military jamming

Why do you need a GPS signal jammer?


In this age of information proliferation, a growing number of individuals are showing interest in protecting their confidential information.


When buying and using car mortgages, sometimes it is best for us to install a GPS shield at some stage to protect our private secrets. In particular, some car dealers pay for the car and buy guaranteed cars. That means once they get the car, they can turn on the GPS signal jammer, put one in the car and another in the trunk! Turning the jammer on will ensure you stay calm on the way there and back. However, since the gps signal jammer cannot be activated within 24 hours, when the security device reaches its chassis, professional technicians must check the GPS, modify the GPS positioning device and password lock, and change the key password to prevent security errors. Just like this, a GPS shielding device can effectively prevent GPS communication satellite tracking, effectively affect GPS communication satellite signals, and protect your privacy and information trade secrets.


The time has come to stand up for your rights and reject those who steal information.




コメント数:(0) カテゴリ:gps 17:22:31
2024-04-01 15:16:22

This portable video interceptor intercepts PAL or NTSC wireless video systems.


Cell Phone Signal Detector

Scan and intercepts both video and audio


You can now intercept and view nearby wireless video cameras cell phone blocker


Simply power up your device and it will start scanning from 900 to 2525MHz.


Instantly see if your home, office, or public restroom is hidden with wireless video.


Due to its high frequency, it can detect and display most, if not all, wireless video devices.


Covers from 0.495MHz to 2495MHz.


PAL is a system used in Asian and European countries.


NTSC is the system used in the United States and Japan.


This device intercepts both formats. You’d be surprised where people hide their wireless video cameras.


You will be amazed at what you may find.


Its A/V output to any TV or recorder.


A super powerful tool




コメント数:(0) カテゴリ:Video Interceptor 15:16:22
2024-03-29 12:00:41

This is a common misconception. Many people tend to think that in an emergency, cell phone jammer do block emergency calls. They couldn't be more wrong.


Did you know that your regular smartphone can still make emergency calls even without a SIM card installed? Most cell phones are designed so that if you run into trouble and can't connect to the network provider you signed up for, you can still call 911 and other emergency services.


As a precautionary safety measure, you can always connect to emergency services. This is the international standard. For example, in the United States and other countries, there is a law that requires cell phones to be able to make emergency calls even in the event of a complete shutdown of service.


Similar to roaming services when you are abroad, your phone can be connected to any other available network to make emergency calls. 911 in the US, 999 in the UK and 112 in Europe will override any roaming listings or unregistered ones and will force the phone to try to connect to any network it can receive.


The basic understanding is that if you have a cell phone, all providers must accept 911 calls and forward them to a call center. Mobile phones are designed to allow calls to local emergency numbers using any available and compatible network, even without a subscription to the provider (i.e. SIM card via GSM phone).


3G 4G Cell Phone Jammer

Since most jammers emit low-power signals, the following bands will still be able to communicate with cell towers and will not be blocked (in most cases) anyway:


Police band


EMS Band (Emergency Medical Services)


Fire band


Cellular jammers can prevent teenagers from negligent driving


This is a big concern for many parents. Knowing that your son or daughter is driving will always worry you. Today, most accidents are caused by distraction while driving using a cell phone. The number of deaths caused by distracted driving is staggering.


Cellular jammers, which are installed in vehicles and automatically activated once a certain speed limit is reached, will go a long way towards reducing these numbers and allowing for more accurate and careful driving. No more Facebook or Instagram; No more WhatsApp messages while driving. We could all be safer on the roads.


Considering everything in this article, it's clear that we're in favor of legalizing the sale of cell phone signal jammer. Although they are illegal, there is great public interest in them and their use has increased over time. In this technological world, the need for such devices cannot be ignored.


The demand exceeded our expectations, and more and more people came to us for solutions to this never-ending problem called the mobile phone.







コメント数:(0) カテゴリ:Cell Phone 12:00:41
2024-03-28 12:01:57

A resident of Rogers Park named Dennis Nicholl, aged 63, has been charged with deliberately interfering with cellphone signals during his Red Line commute. His motive was to create a quieter atmosphere for himself. In order to address this issue, Nicholl will be undergoing counseling and is likely to avoid facing criminal penalties.


Users of the Reddit website have given the nickname "The Red Line cell phone jammer" to Nicholl, who has now agreed to a deferred sentence on misdemeanor charges. These charges were filed against him for using an illegal device to block cellphone signals on the L train. Charles Lauer, Nicholl's attorney, has stated that the upcoming court appearance in June may result in the dismissal of the pending misdemeanor count.


With one of his lawyers by his side, Nicholl briskly departed from the courthouse, opting not to provide any answers to the queries of reporters.


Blocker CDMA GSM 3G 4G

"He's scared out of his mind that this happened," Lauer said outside the courthouse. "He's turned in that (jamming) device. I don't think we're going to hear from Mr. Nicholl about this again."


Photographs of Nicholl employing an illicitly obtained miniature signal disruptor from a Chinese manufacturer had been making rounds on the Internet before receiving a tip about Nicholl from CTA officials. A coordinated sting operation involving the CTA, Chicago Police, and the Federal Communications Commission was launched in early March, leading to Nicholl's arrest for activating the signal jammer while an undercover officer was using his cellphone in Nicholl's car on the Red Line.


After being apprehended on a Red Line train on March 7, Nicholl spent a night in jail before his bail hearing. Initially charged with a felony for interfering with a public utility, the charge was subsequently downgraded to a misdemeanor earlier this month.


Lauer stated that Nicholl had been caught interfering with signals on the L line before, but he did not face any serious consequences and received much less media attention than he did during his recent arrest. The unassuming accountant, who was just looking for some peace and quiet on the L, has since experienced difficulties at work, according to Lauer.


According to Lauer, his only wish is to escape and conceal himself.


He understood that it was unlawful, but he didn't view it as a significant violation. It was more comparable to getting a ticket for a traffic violation.


Let's hope he doesn't get upset if others bother him.



コメント数:(0) カテゴリ:Cell Phone 12:01:57
2024-03-27 11:30:59

Many used car dealers often install long-term GPS tracking systems, the purpose is self-evident. Therefore, signal jammers and signal detectors become popular equipment.


GPS signal jammer are small, high-power radio frequency (RF) transmitters that interfere with legitimate communication devices (cell phones, GPS, Wi-Fi networks, and toll readers).


It emits radio frequency signals at the same frequency as GPS signals, causing interference and preventing GPS devices from receiving accurate signals. This interference can cause GPS devices to lose their connection to GPS satellites, making it impossible to track their position or receive accurate location information. gps jammer are illegal in many countries, including the United States, because they can disrupt the operation of emergency services and other vital systems that rely on GPS signals. Using GPS jammers can also be dangerous and can lead to accidents, especially in industries such as aviation and navigation.


GPS receivers rely on low-power microwave signals broadcast by GPS satellites. GPS signal jammers work by overwhelming these satellite signals with radio signals of higher power but shorter range, creating "noise" that causes the GPS receiver to be unable to accurately calculate its position.


GPS jammers are small, portable and easy to operate. Anyone who wants to disrupt the operation of GPS devices or systems can buy them online and use them.


What does a GPS jammer look like?


Because the devices that can block GPS come from a number of manufacturers, they vary widely in shape, size and dimensions, making them difficult to spot inside a driver's vehicle. Most commonly, GPS interceptors operate over short distances and are small enough to plug into a power source such as a cigarette lighter or iPhone and intercept signals from GPS trackers installed in the cockpit of a vehicle.


Some GPS jammers look like small black boxes or cylindrical devices with antennas, while others are designed to look like everyday items like cell phone chargers or USB drives.


Handheld GPS jammers are usually small and easy to carry. They usually have a small built-in battery that is used to interfere with GPS signals from nearby devices. Larger GPS jammers are typically used on vehicles, boats, or buildings and are designed to cover a larger area or distance.


Cigarette lighter GPS jammer structure


Making a DIY GPS jammer for your car tracker is not an easy task, as it requires a deep understanding of the fundamentals. However, if you are determined to build one, you can disassemble a simple GPS jammer as a reference.


The weakness of GPS signals makes it easy for low-cost jammers to jam them. These jammers do not attempt to mimic GPS satellites, but transmit loud enough noise to drown out the real signal. As a result, legitimate satellite signals become undetectable. When the jammer is activated, the effect on the already weak signal is obvious, as the mode of the device broadcast completely overrides the signal


Now, the only thing to do is to examine its internal components and understand its functionality. Given the low price, it's still amazing to see how something so cheap can cause such significant damage.



diy jammer gps

On one side of the PCB, we can only identify two key components, the 78M05 regulator that reduces the vehicle's 12-volt power supply to 5 volts, and the infamous NE555 timer known to hackers. Unfortunately, it took the removal of illegal jammers to finally discover one of the most iconic integrated circuits in the history of electronics, but that's the reality.


Radio frequency in vessel


There is no doubt that the component labeled 13BA A041 is the main attraction. So, what is it? Although I was unable to find a datasheet for that particular model, it has been identified as a microwave voltage controlled oscillator (VCO). The metal top we see is actually a shielding material, and with some effort we can examine the surprising array of components crammed into the tiny space of 9mm x 7mm.


gpsjammer diy

The basic working principle of the device is that the control pin of the VCO (identified as VC on the screen) is linked to the output of the 555 timer on the other side of the board. The signal of the 555 timer modulates the output of the VCO, which causes us to observe noise centered on the 1,575 MHz GPS frequency.


By connecting the oscilloscope to the VC pin, we can see the 133 KHz sawtooth signal produced by the 555 timer. Adjusting this signal could change the frequency range in which the jammer operates, but the extent of this possibility is unclear without a VCO data sheet. Since these components are likely to be the cheapest, it is reasonable to assume that the limitations may not be too great.


In addition, it is necessary to study the small four-pin device designated Q6 at the top of the board. When the high frequency signal is passed from the VCO to the center pin of the antenna connector, it is placed directly in the path of the high frequency signal, so it makes sense to use it as an amplifier. However, it can also be used as a diode to protect electronics from anything that might be picked up from the antenna.



What are the frequencies of all GPS signals?


GPS signal frequency band:


GPS L1:1570-1580MHz


GPS L2:1227.60 MHz


GPS L3:1381.05MHz


GPS L4:1379.913 MHz


GPS L5:1176.45MHz


Usually, the civilian frequency band only needs to block GPS L1 L2. Most devices only use GPS L1.



コメント数:(0) カテゴリ:gps 11:30:59
2024-03-26 12:58:15

Presently, we are in the process of renting a home. The neighborhood tends to get noisy in the late evening, extending past midnight, as our neighbors enjoy playing loud music.


The act of reaching out to the police proves futile in resolving the situation. Despite my numerous attempts to seek their aid, their promises to dispatch help go unfulfilled. Consequently, I initiated a quest to investigate signal blockers, focusing solely on wifi signals rather than cellular ones. Fortunately, I came across a device that seems to be a suitable solution.


At first, I was doubtful about how they handle payments. Nevertheless, I soon discovered that their product was exactly what I had been searching for.


I settled the payment and waited calmly. The standard shipping specifies a delivery window of 7 to 15 days.


Following the completion of 15 days, we obtained the tracking information. At that point, it cleared the port and was handed over to DHL for transportation. Within a mere 2 days, the package successfully reached its intended location.


Upon unpacking, I affixed the antennas and established the connection with the charger. It was then that I realized the battery had reached its maximum capacity.


The most popular 8 band jammers

We patiently endured a few days until the incessant music disrupted our peace. Taking matters into my own hands, I retrieved the device from the nightstand and activated it. It is important to note that these neighbors reside a few houses away from us. To my surprise, the music abruptly stopped after a few seconds. Subsequently, I overheard people discussing the cause of the disturbance. In order to investigate further, I left it playing for a solid 20 minutes. Eventually, I switched it off and retired to bed.


The initial charging of the jammer device resulted in a loud bang and smoke emerging from it, causing irreparable damage. Following communication with the company, I was issued an RMA return number and advised to send the device to China for repair or replacement. The return shipping required an extra $25 fee, on top of the original cost of more than $350. It took a considerable amount of time to receive the restored radio signal jammer.


Certainly, the cell phone signal jammer is a valid establishment, as per your question. It appears that certain reviews are unreliable. I can substantiate this with evidence.





コメント数:(0) カテゴリ:jamming 12:58:15
2024-03-25 18:15:05

You might be familiar with cell phone jammers, which have the ability to block incoming and outgoing calls, text messages, and data transfers.


This blog will answer various questions about signal jammers


Are cell phone jammers legal?


The sale, advertisement, distribution, or operation of mobile jammers is against the law in the United States and numerous other nations.


According to the Federal Communications Commission (FCC), any form of radio communications jamming device that intentionally interferes with "authorized radio communications" is considered to be a grave hazard to critical public safety communications. This interference may hinder your ability, as well as others', to make emergency calls such as 9-1-1, and it can also disrupt the communication channels of law enforcement agencies.


Radio frequencies are not only protected by the Communications Act of 1934 to ensure public safety but also to prohibit any interference with authorized radio broadcasts.


How do cell phone jammers work?


Devices known as cell phone signal jammers, cell phone blockers, signal disruptors, GPS jammers, or text blockers are designed to block cellular connectivity in a targeted location.


By transmitting signals on the same radio frequencies as cell phones, interfering devices effectively block the functioning of mobile devices. This malicious act, referred to as a "denial of service attack," renders mobile devices useless when they come within the range of these interfering devices.


Jammers with limited sophistication aim to obstruct phone signals by jamming a singular frequency. This method often deceives mobile devices into perceiving a lack of signal, leading to their inability to function.


Why use a cell phone signal jammer?


Advocates for such technology assert that signal jammer devices are indispensable in environments where people find it challenging to comply with established cell phone etiquette norms. This includes places like schools, theaters, vehicles, or tranquil train rides, where activities such as talking, texting, streaming, and so on, could be seen as disruptive or even perilous.


It is crucial to keep in mind that signal blocker device have the capability to obstruct not just phone calls and text messages, but also GPS, WiFi, and potentially the functioning of police radar. This is precisely why the sale, promotion, and utilization of cell phone jammers are strictly prohibited by the federal government in the United States, as stated earlier.



Will a cell phone signal jammer block a cell phone signal booster?


Sadly, the interference caused by signal jammers can indeed affect the performance of your signal booster.


The primary function of signal boosters is to amplify existing signals. Nonetheless, if a jammer blocks the signal, the booster will be unable to fulfill its purpose.




コメント数:(0) カテゴリ:Cell Phone 18:15:05
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  • 名前:perfectjammer
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    I am a person who is more research on jammers. I like to collect and sell various jammers. If you are interested, you can take a look
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