FCC regulations typically classify cellular phone jammers as illegal due to their adverse impact on the communication systems of emergency personnel, who extensively rely on the same frequency as cell phones for their essential communications, including their own use of mobile devices.Despite this, prisons, educational institutions, and city administrations have launched campaigns to permit the use of signal jammers. The primary purpose of these efforts is to deter cheating in classrooms, maintain the concentration of taxi drivers and limo chauffeurs on the road, and prevent inmates from utilizing smuggled mobile phones.

Wave Bubble Cell Phone Jammers

Due to their illegality, cell phone jammer can only be acquired through illegal means from foreign sources or assembled illicitly at home. Proficiency in manipulating chips and antennae is essential for this endeavor. Notably, the Wave Bubble Jammer is capable of disrupting a wide range of radio frequencies, extending beyond those utilized by cell phones.Installation of a lithium-ion battery is essential to provide power, enabling a jamming duration of two to four hours, depending on the frequencies in proximity. Recharging options encompass a USB connector or a standard 4 mm DC jack. Additionally, AAA batteries can be utilized as an alternative.

Two antennae extend from the microchips in the jammer, enabling it to intercept a wide range of frequencies within a radius of twenty to twenty-five feet.A significant level of complex SMT soldering is essential to install the specific chips required for this device to operate effectively. These chips encompass multiple TSSOP and SOT chips, 0603 RC's, along with obscure components. Furthermore, the construction and debugging process necessitate the use of specialized equipment.The unavailability of specific sources for these is attributed to the device's illegal status within the United States.

Cell Phones Modified to Jammers

Several cell phone jammers have been modified from outdated cell phones to operate on the identical frequency as the targeted cell phone, emitting a tone that renders any conversation on the phone impossible. It is worth noting that these devices are illegal and constructing them oneself is a complex task, requiring proficiency in soldering microchips and manipulating radio frequencies.Similar to cell phone jammers, police CB radios operate by scanning and capturing all frequencies within their vicinity, ensuring effective communication over the CB. However, cell phone jammers go the extra mile by blocking transmissions.

A substantial number of nefarious wireless devices exist with the explicit intention of causing deliberate interference in wireless networks. Despite their unequivocal illegality, these devices can now be readily acquired online for a reasonable sum.

These jammers operate by generating a potent wireless signal that disrupts the physical layer of the wireless communication protocol being utilized. Consequently, they have the capacity to interfere with protocols across various frequency bands. Their primary impact is on the medium, which represents the first layer of the OSI stack.Consequently, any upper layer employed for communication will be impacted. This encompasses Wifi, bluetooth, 3G, 4G, GSM, GPS, and other communication technologies. It is akin to an eccentric individual who disrupts a conversation by shouting. Regardless of whether the speakers are conversing in English or Russian, they will no longer be able to engage in meaningful communication.

Great Independence Day Sale! ! !

10% discount on our website right now.

Stack discount codes to get at least 20% off!

Maybe after two days the activity will disappear.

If you need, you can contact us to place an order.

Date: July 1st to July 7th

Nissan is building signal jammers in its cars to eliminate cell phone interference

A car manufacturer has developed a compartment that blocks cell phone signals.

Nissan says the Signal Shield prototype, built into the armrest of the Juke crossover, will eliminate distractions from incoming calls, messages and social media notifications.

The box works on the principle of a Faraday cage (invented in the 1830s), which uses materials such as wire mesh to shield its contents from electromagnetic fields.

Once the lid is closed, all mobile, Bluetooth and Wi-Fi signals cannot reach the inside of the compartment.

The RAC survey of more than 1,700 UK motorists found that the proportion admitting to using a mobile phone while driving rose from 8% in 2014 to 31% last year.

In October, lorry driver Tomasz Kroker was jailed for 10 years after crashing a stationary car with his car while playing with his mobile phone on the A34 near Newbury, Berkshire, killing a woman and three children.

According to the UK's Department for Transport, 22 people were killed and 99 seriously injured in crashes on UK roads in 2015, in which drivers using mobile phones played a role.

RAC road safety spokesman Pete Williams said: "Our research shows that mobile phone use by drivers has reached epidemic proportions.

"With mobile phone technology advancing by leaps and bounds, many people have become addicted to it. However, using a mobile phone while driving is a physical and mental distraction and has been illegal since 2003.

"cell phone jammer is a great example of technology that can help drivers make smart phone calls.

"For those who can't avoid the temptation, this simple but smart enough technology offers them a valuable no-movement zone."

WiFi Cancellation Verification VS WiFi Jammer: What's the difference?

Terminology can sometimes confuse all of us. [Seytonic] does a good job of explaining the difference between a WiFi jammer and a cancellation validator in the video embedded below. Many of you already know the difference, but it's worth pointing it out because many refer to de-authenticating devices as "wifi blocker."

In their YouTube video, they explain that jammers emit a noise load on all WiFi channels, resulting in unusable frequencies within a given distance from the jammer. Jammers are also usually quite expensive and mostly illegal, making them hard to find unless you make your own.

WiFi de-validation, on the other hand, works in a very different way. WiFi sends unencrypted packets, called management frames. Because these are not encrypted, even if the network uses WPA2, a malicious party can send a de-authentication command to direct the user out of the access point. However, there is hope for 802.11w with encrypted management frames. It's been around for a while, but manufacturers don't seem willing to implement it, even though it could make WiFi devices more secure against such attacks.

Disassemble what you shouldn't have - GPS jammers

GPS jammers are easily available on the Internet. No, we won't link to them. However, truck drivers and others who own company cars often use GPS jammers, and they don't want their employers tracking their every move. Are these devices useful? Is it worth paying $25 for one?

These tiny individual boxes emit radio frequency of about 1575.42 MHz, the same frequency used by GPS satellites in high Earth orbit. These signals from GPS satellites are very, very weak and are relatively easily drowned out by noise. This is pretty much the block diagram for those cheap GPS jammers: Put the noise at the right frequency, and your phone or your boss's GPS tracker won't work. Note that this is a very low-tech attack; In theory, more sophisticated GPS jamming and spoofing techniques could allow drones to land safely.

The dismantling of the GPS jammer shows that the device is very simple. There are some 555s making low frequency noise. This provides the VCO with a signal in the 1466 to 1590 MHz range. The output of the VCO is then sent to a large RF transistor for amplification and output via a quarter-wave antenna. It may be RF magic, but it's a very simple circuit.

The output of this circuit was measured and, to the surprise of many, there were no stray emissions or harmonics - the jammer would not disable your phone or WiFi, only your GPS. The range of the device in the open air is estimated at 15-30 meters, which is more than enough if you're a truck driver. In a canyon of skyscrapers, this range can extend to hundreds of meters.

All the things you do to protect yourself you know can be futile as hackers are always evolving. Each type can be made of different materials, even if they have opposite functions. cell phone jammer are the best option. If so, which type is right for you? In this case, I'd like to know where to get a high-quality signal. You will need to bring equipment as needed. Old products can not meet the market demand of high-end places. With the development of signal shielding technology, various jammer manufacturers have appeared in the market.

A cell phone jammer functions by sending out a Radio Frequency, or RF signal.GPS signal jammers have played an important role in various large examination rooms and prison conference centers. The development of mobile phones will inevitably lead to mobile phone signal blocking. The future development of GPS signal jammers is used in many places. It can be used directly in the car, which is very convenient. If you want to get a 4G signal jammer, you just need to charge the rechargeable battery and continue the mission for about 60 minutes.

The RF signal has a frequency that is like what cellular carriers use.GPS jammers can help you with many tasks and life. You can learn more about hand-held phone signal jammers. If you have a signal breaker outdoors, there is no doubt that you should use a hand-held signal breaker. For many, there is GPS jammers when you need to use your internal signal. You can use GPS jammers to stop devices from tracking them if you want a quiet and safe journey. This is a goal that ordinary cell phone jammers cannot achieve. There is general trouble with such devices.

This is a way to check that out-of-range devices are functioning properly for interference effects. This is a goal that ordinary cell phone jammers cannot achieve. This product completely covers the mobile phone frequency band and is a public mobile phone jammer in special places such as prisons. This is a goal that ordinary cell phone jammers cannot achieve. Ensure the desired shielding effect. It is evenly distributed over the shielded area. It can be said that it is specially installed equipment in special places such as camps or military centers. In order to achieve superstition control, a cell phone signal jammer is required.

If you want to use signal cloaking in your car, use an outlet charger designed for GPS jammers. An example would be a venue for entertainment purposes. In many jurisdictions, signal jammers are illegal and require a license. It renders the cell phone unable to use it. The cell phone jammer has a Downlink Frequency, jamming the signal. When used, your cell phone won’t display any bars. Not only does a cell phone jammer block the signal, but you also won’t be able to make any calls including 911 emergency calls. The cell phone jammer has overcome the frequency. Given the large construction area and high site requirements, it is necessary to use high-power signal jammers.

According to the function and form of mobile phone jammers, there are multi-function jammers such as car GPS jammers, mobile phone jammers, and wifi jammers. How To Stay Safe From Hackers on the Go Using a Cell Phone Jammer Not many people (if any) feel safe from hackers. That’s one reason people may look for a signal jammer and cell phone jammer, to help protect themselves. In a world gone digital and moving toward WFH (work from home) initiatives, people naturally lean toward their mobile devices and smartphone to store sensitive information.

Blocks signals in specific frequency bands. This opens up a world full of vulnerabilities. Proactive Ways to Secure Your Cell Phone From a Hacker A few basic tips and tricks for any adventitious phone user can be simple ways of stopping phone hackers. First, keep your phone close to you at all times, especially in public places. This is stronger than a nearby Cell Phone Tower or Base Station. Cell phone jammers can be used pretty much anywhere. Mostly you would find them in a place where a call can be very disruptive as silence is an expectation. Prisons are an important part of management and maintenance.

Related articles

What should I pay attention to when using GPS jamming?

Cell phone jammers need systematic management

In 2013, the Federal Communications Commission fined a person nearly $32000 for using a device designed to evade the company's vehicle fleet management tracking system. Mobile phone jammers include GSM jammers, 3G jammers, 4G jammers and the latest 5G jammers, which can easily interfere with all mobile phone signals. GPS jammers can prevent GPS tracking devices from receiving signals, otherwise they will not be able to determine their position. We all see that the excessive use of mobile phones has become increasingly excessive

Although GPS jammers are illegal in the United States, they are easily available online and are becoming more and more common as the use of fleet management and tracking systems increases. The excessive use of mobile phones is beyond our imagination. With the development of technology, more and more people use mobile phones in their lives. They transmit their signals at the frequency used by the GPS tracking device, which can confuse or block other GPS signals.

In timing applications, the jammer will destroy the GPS signal, causing the underlying system to lose the ability to synchronize the internal clock, thus losing the ability to synchronize with the rest of the network. wifi blocker is designed to interfere with wireless signal land system and Bluetooth communication. Not only adults overuse mobile phones, but also some children and teenagers overuse mobile phones.

To make matters worse, many of the data centers that host the servers running these networks are located near warehouses or major highways. On the one hand, it makes us more convenient, but using mobile phones is harmful to our health. The excessive use of mobile phones is beyond our imagination. With the development of technology, more and more people use mobile phones in their lives.

One jammer has two functions, and you will benefit from the multi-function jammer kit. One interphone jammer/radio jammer can block any interphone radio signal. We have the opportunity to meet some people who do not understand the etiquette and conversation of mobile phones and call loudly in temples, libraries, theaters and other social places. This small worker has the possibility to block Bluetooth and wifi signals.

The jammer works well even in the housing. Bluetooth or Wifi jammers can help people prevent illegal people from leaking confidential data. Mobile interference device is a common tool, which is used to prevent mobile phone network from transmitting mobile phone signals, thus interfering with all phones. Personal mobile phone jammers can range from 10 meters to 100 meters. The owners of schools, meeting rooms, offices, cinemas, prisons, nightclubs and casinos use mobile phone jammers to stop using mobile phones in buildings.

Larger cell phone jammers are more powerful and can range in miles. The jammer can be put into a pack of cigarettes, so it is easy to hide. Jammers will also prevent the use of the Internet through Wi Fi networks, and even prevent Bluetooth connections. The necessity of mobile signal jammer has emerged in these places. This portable phone jammer will teach you how to stop overusing your phone. At the same time, this portable phone and GPS jammer can not both block the phone signal and defeat the GPS locator.

On the one hand, it makes us more convenient, but using mobile phones does harm our health. GPS jammers are usually small devices that plug into the vehicle lighter port and send radio signals that overwhelm or overwhelm weaker signals, such as GPS or others. These devices may seem relatively harmless at first glance, but they are highly likely to cause harm.

Now you have a portable mobile phone and gps blocker to help you. As long as you turn on the button of the blocker kit, the mobile phone within the effective shielding range will not receive signals and cannot work normally. Of course, if you do not need the jammer, just turn off the button.

Related articles

How do cell phone signal jammers interfere with the signal?

Will GPS be interfered with by other devices?

How wireless signal jammers work

GPS jamming is the process of using frequency transmitting equipment to block or interfere with radio communications. Prevents Wi-Fi enabled devices from successfully connecting to the Internet. However, without the proper technical knowledge or in the wrong hands, GPS jammers can lead to GPS jammers originally developed by the military to mislead the enemy regarding geographic location and targeting. Even though our products are reliable and professionally manufactured, use can cause parts to wear out over time. Any obstructions (trees, houses, hills, walls, etc.) near the jammer's own antenna will reduce the interference range. Higher quality GPS receivers tend to be less susceptible to low power interference, so you need to be in the near-field radiation mode of the antenna (i.e. off) for it to work properly.

The best location is where the jammer's antenna is in line with the antenna of the GPS receiver you want to jam. Signal jammers have many practical uses, usually counter-terrorism units use these devices to disrupt phone-triggered explosive devices. Used to stay under the radar, the application of these devices keeps you hidden from detection. Try to protect your GPS receiver from interference source location and interference by placing your body, trees, hills, rocks or other obstacles between your devices. GPS receivers close to the jammer will fail to acquire C/A code lock and the radiation pattern of any running GPS jammer will lose C/A code lock. In fleet management tracking, GPS information can be linked to data such as fuel usage, driving behavior, engine health, vehicle synchronization and safety metrics. Your bank details will be encrypted with additional SSL encryption via a secure server for payments.

So gsm jammer could corrupt all this information and cause a major outage. While jammers can cause minor interference, such as loss of signal, they can also pose a huge risk to public safety. Having the best jammer can stop valuable, expensive information from leaking, protect your location, privacy, and more.

Mobile devices are prohibited from making or receiving calls, text messages or emails. Types of communications that may be disrupted include phone calls, text messages, GPS systems, and Wi-Fi networks. Safety and security are very important to all of us, and this applies more than ever to technology. For example, GPS jammers cannot distinguish between types of communications and may block incoming or outgoing calls from emergency responders.

If it suits your needs, there are a few items that can be installed inside the car, outside, and with wider reach. More advanced methods include the use of directional or steerable phased array antennas on the GPS receiver (pointed skyward) to cancel any ground-based interference. You can even practice anti-jamming methods to protect yourself from hostile or accidental GPS interference. These deployments work on the same principle as the previously mentioned device blocking the signal and making your device invisible to attacks and tracking. Once the jammer is running, you can practice testing it by monitoring the signal on a normal consumer GPS receiver or a high-quality communications receiver. As more industries, such as law enforcement and transportation, rely on GPS-enabled devices, interference has the potential to disrupt critical business operations and data.

Related articles

Mobile phone signal jammers test room installation details

How to block cell phone signal

How to calculate signal jammers shielding range

The hand-held portable GPS jammers is a portable multi-function jamming device. As you know, the legislature in any country needs to operate in a complex and reliable way, and the misuse of mobile phones can disrupt the system. The storage location of the mobile phone signal jammer must not be placed in the hands of minors, so as not to inadvertently cause harm to themselves. A portable multifunction jamming device can give you all the benefits of a jamming system, but with more flexibility and ease of use. In June 2013, a man was sentenced to three months in prison for using a jammer in his car because he did not like to talk to other drivers on his mobile phone.

It also helps to spot enemy forces and enables military leaders to better decide how best to engage them. A handheld GPS signal jammer is a portable multi-function jamming device. However, if you use it for a long time, you need to unplug it and store it in a safe place without fire. After getting off work, turn off the power and keep it in a safe place. With GPS becoming an increasingly popular tool for tracking people, vehicles, and even packages or goods, it's no surprise that there is a growing demand for handheld GPS signal-jamming devices.GPS technology is so important because it provides a way for objects to navigate from one place to another. A handheld GPS signal jammer is a portable multifunctional jamming device that can be used for various purposes. This prevents GSM older versions, etc, and 3G4G phones from working properly.

Do not install a cell phone signal jammer near the radio equipment, so as not to affect the operation of the radio equipment. Should every congress in the world have a cellphone jammer? Do not place it near radio equipment so as not to affect the operation of the radio equipment. As a portable cell phone jammer sold, the cell phone signal jammer should be stored in a safe place.GPS technology is critical to the military because it allows soldiers and their equipment to be accurately positioned on the battlefield.

You need to make every effort to ensure that your cell phone jammer is safely stored in a very clean and dry environment. Global Positioning System Technology is also vital to national security, including fighting terrorism, protecting borders, stopping the illegal drug trade, and preventing cyber attacks on our infrastructure, such as the power grid. Officials in charge of the two houses have ordered the guards to replace the old drone jammer with new models. It blocks signals from GSM/CDMA, Bluetooth, WiFi, and GPS frequencies such as 2G, 3G, 4G LTE networks, and more. The equipment is more reliable and costs between 15,000 and 200 rupees ( 300-400 dollars), with officials saying rupees of the same quality or even better are sometimes cheaper.

Handheld GPS signal blocker has a wide range of applications, such as blocking signals in small areas such as offices or cars; blocking all digital cell phone signals; blocking all Bluetooth devices within 20 meters; preventing video surveillance systems from recording your activities; be careful When in use, prevent wireless microphones from hearing your conversations; etc. In addition, GPS technology plays an important role in daily life, providing information such as traffic jam reports; Weather forecasts; Airline flight schedules!

This is a good option if you want to protect yourself from being tracked by others. Members of the Legislative Council or their mobile phones have been deactivated. Although these devices are illegal, they can easily be purchased online (I won't mention where they are). With this device, you can protect your privacy while driving or biking. Proper storage of high-power handheld signal jammer is important. Because of this, we must ensure that cell phone jammers are safe in any situation. Handheld GPS signal jammers can be used to emit electromagnetic waves strong enough to interfere with the operation of various electronic devices.

Related articles

What are the accessories for signal jammers?

The power of jammers shield is fixed

What should I pay attention to when using GPS jamming?

　　Most modern GPS-enabled devices do not rely entirely on satellite signals for location information. The cell phone signal jammer must be placed in a dry and ventilated place, avoiding direct sunlight and heat sources, and it should not be exposed to moisture or corrosive substances. If you want to protect yourself from surveillance and avoid being tracked while driving or walking around town, you should use a GPS jammer so others can't track your movements. It is important to keep the storage temperature within a certain range.A portable GPS jammers for cars called a car jammer is designed not only to jam any GPS signal, but also to detect the car and record its location by sending electromagnetic waves.The magnetic field will affect the normal working frequency of the machine. If you want to block cell phone signals in a room, a portable cell phone jammer will suffice. Second, if you want to use your cell phone jammer at work, you should put it in a place that is not too crowded, as it can affect other people's business.

　　This makes it harder for people with generic GPS devices, such as smartphones, to find their exact location without turning on Active Precision (which requires turning on the phone's location services). By emitting weak radio waves of the opposite frequency to the radio wave informing the message from the mobile base station, the communication is blocked, and subsequent status logout and polling become impossible, so the display of the mobile terminal becomes "out of service area" suppression. But if you want to use something bigger, you're going to need a tabletop jammer. Multiple financial institutions will merge at the corner of the ATM. Car jammers prevent any device from picking up these signals in the process. I'm having trouble with the popularity of cell phones.After years of development, there are currently a variety of cell phone jammers to choose from, such as drone radio frequency jamming and desktop jammers.It is used as a measure to avoid fraudulent transfers.

　　Information collected by these drones is often stored and shared with other parties. Newly designed jammers are specifically designed to block the signal. Different cell phone jammers can be used in different places. I think more and more people are using GPS apps while driving. A portable GPS jammer is a device that blocks or interferes with the transmission of Global Positioning System (GPS) satellite signals from reaching receivers on the ground, making its location data inaccurate or unavailable. To improve the situation, I bought a cell phone jammer. Autonomous drones are computer-controlled drones that can be programmed to fly autonomously or be remotely controlled by a human. If the cell phone signal jammer is stored in an area where the temperature is lower than 0 degrees Celsius, it will affect its normal use and cause damage to its internal components; if the room temperature exceeds 40 degrees Celsius, it may also damage the product.

　　Buying a wireless signal smartphone jammer is the best option. In addition, if a strong magnetic field is applied to it for a long time, its continuous operation will be disturbed or even damaged. In addition to stopping a smartphone's GPS, GPS jammers can also be used to block the trajectory of autonomous drones. You need to understand how cell phone jammers work. Portable jammers are great if you want to take them with you and use them in different places. This is the result of a concerted effort by financial institutions to avoid criminal harm such as money transfer fraud. It is necessary to bring the phone down to a certain level. Non-magnetic attenuators are also critical components that can interfere with our equipment.

Related articles

What are the advantages of high-power mobile phone signal jammers?

How do cell phone signal jammers interfere with the signal?

Will GPS be interfered with by other devices?

GPS signal jammer device is hardware that can block GPS signals.

　　A GPS jammer, or GPS interceptor, is a device that interrupts all communications between a GPS's space-orbiting satellites and ground-based receivers. The receiver can be a GPS tracker, a GPS-enabled smartphone, a satellite navigation system, etc. Well, you understand what's important.

　　The GPS jammer itself is usually a small, self-contained frequency transmitter capable of emitting a jamming signal at a range of 5 to 10 meters. These devices typically plug into a cigarette lighter or USB/charging port and require very little power. While illegal in most places, GPS jammers can be purchased online and come in many flavors such as B. Wi-Fi jammers, Bluetooth jammers, remote control jammers, or drone jammers.

　　A GPS jammer is typically a small stand-alone transmitter used to mask a person's location by broadcasting a radio signal at the same frequency as the GPS device. In this case, the GPS device cannot determine its location due to interference.

A GPS signal jammer device is a type of electronic device used to spy on someone or to sabotage a targeted system.

　　GPS jammers are usually (not always) tiny devices that plug into a car's 12V outlet, often called a "car cigarette lighter." Once plugged in, it starts making some sort of noise at the same frequency as the GPS device, creating interference and preventing the GPS receiver from pinpointing its precise location.

　　GPS jamming is the process of using frequency-transmitting equipment to block or interfere with radio communications. Types of communications that may be disrupted include phone calls, text messages, GPS systems, and Wi-Fi networks. The term is also called GPS spoofing, and the device used can also be called a cell phone or signal blocker.

GPS jammer is a small, portable device that disrupts GPS signals.

　　GPS jammers are usually (not always) tiny devices that plug into a car's 12V outlet, often called a "car cigarette lighter." Once plugged in, it starts making some sort of noise at the same frequency as the GPS device, creating interference and preventing the GPS receiver from pinpointing its location.

　　The GPS jammer itself is usually a small, self-contained frequency transmitter capable of emitting a jamming signal at a range of 5 to 10 meters. These devices typically plug into a cigarette lighter or USB/charging port and require very little power. While illegal in most places, GPS jammers can be purchased online and come in many flavors such as B. Wi-Fi jammers, Bluetooth jammers, remote control jammers, or drone jammers.

GPS jammer is illegal in many countries.

　　The bottom line is that GPS jammers are definitely not legal. They are illegal under federal and state laws around the world and face hefty fines if caught. If you are caught breaking the law, you could face thousands of dollars in fines and jail time in some countries.

　　A cell phone jammer is a device that blocks signal reception between cell towers and cell phones. Designed for the military and law enforcement agencies, the devices were originally designed to counter threats such as cellphone-detonated explosive devices and hostage-taking.

　　GPS jamming is illegal in many countries including the US, Canada, and the UK. In the United States, the Federal Communications Act of 1934 prohibits the marketing, sale, or use of GPS jammers. In Canada, the Radio Communications Act also prohibits the import, manufacture, distribution, sale, possession, and use of GPS jamming equipment.

GPS jammers can be used to spy on someone.

　　Additionally, users of GPS jammers use these devices for more sinister activities than just being offline. Buy them to hide illegal behavior and auto theft, to evade important duties while using a company vehicle, or even to evade police radar detection to avoid expensive speeding tickets.

　　Among civilians, some speeders may use jamming devices to try to stop police detection and avoid fines. Criminals use GPS jammers as cover for vehicle theft or to avoid toll or mileage charges. In the fleet world, a driver could use a GPS jammer to prevent his employer from knowing where he was going in a company vehicle.

Related articles

How do cell phone signal jammers interfere with the signal?

Will GPS be interfered with by other devices?

How wireless signal jammers work