Professional Technology Blog At Perfectjammer

When taking part in the exam, the candidates should bring their own stationery. You are not allowed to bring anything other than the exam regulations. The test room will be equipped with silent wall clock, candidates are not allowed to wear watches to participate in the test, the time indicator of the wall clock is […]

Stressed are the managers and one Director in any case, completely block Internet access within the school, put cell phone jammer and introduce a ban on bringing smart phones to school, others place additional outlets to charge devices in classrooms and school wrap lines WiFi. Mixed signals are coming from the very top. North Korea has developed […]

Jamming devices are also often featured in secret agent and movement photographs. Dependent on the scene, heroes or villains would simply flick a activate a device or console to prevent their adversaries from creating a name, activating some other device or triggering a bomb. On different scenes, wifi jammer are used to interrupt radio and different verbal […]

That even state intelligence services have had difficulty in determining the source of the GPS jammer and whether or not it was deliberate, highlights how effective these tactics can be even during an uneasy peace. With electronic and cyber assaults, Russia has found an effective way to disrupt the military and government activities of its regional opponents […]

Communication GPS jammer devices were first developed and used by military. This interest comes from the fundamental objective of denying the successful transport of information from the sender (tactical commanders) to the receiver (the army personnel), and vice-versa. Many teachers are fed up with trying to stop students from texting in class, and want to know how […]

Similar tests occurred in 2010, but Williams said Wednesday’s effort was significant because GPS jammer technology has evolved, as have inmates’ efforts to smuggle in the devices. Such tests, she said, could lead to the broader use of technologies like jamming inside prisons to immobilize inmate phones, which officials across the country have described as their No. […]

Mainly used for indoor cellphone signal detection and shielding, such as meeting rooms, border control units, Border Patrol and Drug Enforcement, Customs, House, Churchs, Courts, Theaters, Office, classroom. checkpoint personnel, Hospitals, Recording Studios, Banks, Contract Tendering Rooms, Testing Facilities, Security Services, Military Units, Secret Services, News Conference Scene, Libraries, Museums, Prisons and so on. Charles […]

The invasion of privacy using a drone will be a clear cut criminal offence. Moving to criminalise the use of drones for any sort of anti-social behaviour empowers the public and private businesses to protect themselves against this behaviour. The single greatest drone defence is drone jamming. Drone GPS jammer already in use in sensitive areas surrounding […]

Canada had considered allowing blocking in similar situations. But Industry Canada, which regulates the country’s telecommunications, decided against it, saying the devices could infringe on personal freedom and affect public safety by crippling communication with law enforcement and security agencies. Experts are starting to delve into how well the Global Positioning System (GPS) satellite navigation […]

However, some states are proposing legislation, such as California, that would allow firefighters and authorities to cancel drones if they interfere with emergencies like wildfires. Blocking access to airports, hovering over fires and crossing highways could be seen as situations that could bring down these drones. However, it remains unclear whether officials legally allow the […]

Remember when Venezuelan President nicolas maduro was hit by a drone bomb while attending a military memorial in Caracas on August 4? In fact, the use of civilian drones for strikes has not been uncommon in recent years, especially in Syria. Compared with traditional “low, slow and small” targets, this kind of uav has the […]

Jammers devices also include Wi-Fi jammers and cell phone jammer which can prevent your mobile phone from receiving or making calls, emails and text messages. They can also prevent your Wi-Fi enabled device from getting connected to the internet for several operations, prevent you from receiving the exact positioning signals with the use of GPS, […]

The commercial hand-held cell phone jammers block frequencies between 800MHz to 1900MHz within a 30-foot range and carried can be used discreetly in a pocket or a handbag to block all cell phones in a small area. Some academic institutions are currently rumored to be seeking the authority to jam cell phone transmissions because of […]

After a Russian plane was shot down by Syrian air defenses last week as they tried to repel an Israeli airstrike, Moscow said it would provide Syria with its advanced S-300 missile system as well as send jamming technology to the region, a move that has alarmed Israel and the US. The contract calls for […]

With the emergence of unmanned aerial vehicle (uav), we can discover more unknown. However, in recent years, with the development of unmanned aerial vehicle (uav), it is good to bring is not all. Two U.S. defense companies are helping the U.S. military in an urgent effort to develop low-band tactical RF jammers for low size, weight, and […]

A British school principal who wanted to stop her students from logging onto the Internet by using phone jamming technology has been told by authorities that any such action would be illegal, according to media reports. The gun can launch directional high-power radio frequency interference, interference of unmanned aerial vehicle (uav) control system, to cut […]

Now almost every student in a school own their cell phones. What’s worse, cell phones have become many students’ “weapon” against their teachers. Most students are found using their cell phones to surf on the internet during a lecture; many students tend to listen to music or play video games in classroom; it frequently happens […]

One of the schools I used to work for had a small cell phone jammer that would jam Wifi and GSM/3G signal. They used to let us use them in our classes. It was always funny watching students trying to figure out why their phones weren’t working. I think they should be installed in movie […]

Jammer is an inevitable product of the development of the industry, which is of great importance to the industry. The jammer is also called signal interference mask, which is extended and has handheld signal interference, portable jammer, top type jammer, power jammer and so on. For the first time in history, signal jammer were invented […]

If there is an emergency meeting going on and you want no one to attend any unwanted calls or messages during an important meeting, you can take advantage of cell phone blocking technology. The technology allows people to avoid calls and messages without turning off their mobile phones. Enabling this technology directly blocks signals from […]

As the number of mobile users increases, mobile phones need to be disabled in certain places, and their ringtones will be disruptive. These include places of worship, lecture rooms, hospitals, concert halls, meeting rooms, prisons, etc. cell phone jammer are very effective in classified conference rooms where important information can be leaked from one room […]

The broader Marine Air Defense Integrated System is meant to shoot down drones, fixed-wing aircraft, and helicopters and includes both non-kinetic (jamming) and kinetic weapons to down drones. The kinetic weapon is a 7.62-millimeter minigun mounted on the new Humvee replacement, the Joint Light Tactical Vehicle. The Marine Corps plans to eventually add laser weapons […]

Jamming a wireless radio requires knowledge of its broadcast frequency as well as the right equipment to jam that frequency. It also requires criminal intent, because jamming is highly illegal. Buying or selling these devices without the right certifications is often illegal, too. Perfectjammer’s other handheld jamming devices, the DroneGun and the DroneGun Tactical, work […]

Imagine the following situation. You are sitting in a nice restaurant and you want to jam the cell phone signal there because the jib-jabbers are constantly talking about their problems and they don’t want to stop doing this. Well, in this case you are going to need a cell phone jammer. Later you think that […]

This signal jammer is effective if you are working with sensitive data away from work or your home, like a hotel or some other more public space. With up to two hours of battery life on full charge, it’s also ideal for people who feel more comfortable with a bit of a barrier between themselves […]

Cell phone jammer are like cell phones in that they differ by make and model. Some rely on a simple switch while advanced models require a manual change in frequency. Hackers try to find more and more loopholes in the operation systems and to create new malwares. Some iPhone users have reported that there is […]

The jamming device works by sending radio frequencies to the same tower. It will overpower the cell phone signal by mimicking your cell phone. Basically, it sends out a signal that is the same frequency as your phone. This signal is powerful enough to outmuscle your phone’s signal. As smartphones and tablets have flooded the […]

Recently the university entrance exam is over a period of time, must have many students know their own achievements, review the test the test time whether or not you will find that there is no signal around the examination room during the test, since the ancient times to cheat things exist all the time, especially […]

Fourth, the sensitive information of the individual must be kept properly, not in the mail, chat tools and other places to divulged account password information; Different websites and systems suggest using different accounts or passwords. The new mayor of Turin, Appendino, is a member of the five star movement party, which values environmental protection and […]

Jamming involves pumping out RF in the frequency range they are using enough to overpower their own signals. So, you need power and you need to know the frequency range. Since RF drops off as the square of the distance, unless you can aim it very carefully, you have to be close or have lots […]

Sometimes the jamming signal arriving at the receiver input, can be lower than the communication (“partner’s”) signal and still prevail. This is happening because usually the receiver needs a certain “margin” between the two signals at its input, in order to be able to interpret one of them (usually the stronger one). However, in advanced […]

Though mobile phones have been banned in exam halls, a final year MBBS student of a private college had managed to cheat in a recently held exam through Bluetooth device and a microphone. “We have installed cell phone jammer in four examination halls for preventing cheating during exams. Instructions have also been passed to the invigilators to […]

Beijing’s recent space activities indicate that it is developing co-orbital anti-satellite systems to target U.S. space assets. Co-orbital anti-satellite systems consist of a satellite “armed with a weapon such as an explosive charge, fragmentation device, kinetic energy weapon, laser, radio frequency weapon, jammer, or robotic arm.” Besides the “hard-kill” methods, Beijing is also testing soft-kill […]

The gprs signal scrambler is designed to suppress the signal of the global GPS satellite navigation system in the range 1500-1600 MHz. GPS suppressor makes it impossible to control the movement of the car through GPS navigators, as well as GPS bugs and GPS trackers, while the lock does not interfere with the operation of cell […]

“A crude signal jammer might be OK in the desert. Our technology is able to discern one frequency from another. It is built to bring that signal in and match it up with what we have in our library,” CACI Senior Program Manager Jared Salazar told Defense Systems in an interview.  “If you are in an environment […]

Dr. Dousseki’s discussion from a physician’s perspective brought our attention to a practice of signal jamming that US armed forces uses to protect our troops against improvised explosive devices while they are on patrol and during operations in these areas. He reminds us that these jamming activities cause problems for children and other hearing-impaired patients […]

When an important meeting is held, the signal jammer can well block the signal of the mobile phone so as to prevent the important information in the meeting from being leaked. Many military bases are also will use large signal jamming to prevent important military information was leaked, and through the communication signal interception and […]

A cell phone jammer or blocker is a device which deliberately transmits signals on the same radio frequencies as mobile phones, disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals and from transmitting them.If you need to block internet connections […]

In order to prevent students cheating, in all kinds of large and medium-sized test, it is necessary to use technical means such as mobile phone signal blcoker device, the signal is blocked within the venue, to get to the needs of mobile phone unable to communicate, to get to the Internet, so can very good […]

The work is currently underway to develop an aircraft equipped with cell phone jammer systems that will replace Il-22PP Porubshchik [electronic warfare aircraft], which are currently being delivered to the Russian Aerospace Forces,” an unnamed Russian defense industry source told Sputnik News. “This machine will receive a fundamentally new on-board equipment, which will allow to conduct electronic […]

Perhaps sensing the hard road ahead for GPS jammer, the NSW government has previously flagged the possible use of jamming technologies to stop inmates from using mobile phones. Comms Alliance and AMTA also said that any arrangements that are put in place for jammers beyond 2018 will need to have in-built review mechanisms so the impact […]

An advocate for cell phone jammers being installed in South Carolina prisons, Stirling has previously said that prisoner access to cell phones is no different than access to weapons. McMaster has also supported cell phone jamming in prisons. In Monday’s press conference, McMaster said Stirling has led the battle for the whole country regarding prison […]

In January, Perfectjammer said its researchers installed the jamming technology in a utility closet adjacent to a 13-by-eight foot cell on the ground floor of the prison’s housing unit, according to the study. It successfully blocked cellphone transmissions in commercial bands between 700 and 2170 MHz, but did not disrupt commercial transmissions when monitored at […]

Le Thi Thu Hang told the press that the establishment of China’s electronic warfare equipment to cause radio jamming on Mischief Reef and Fiery Cross on Truong Sa goes against international conventions and Vietnam requested the northern neighbor to remove the system. A jamming pod is essentially filled with antennae and radar transmitters. This equipment […]

They claim jamming signals could disrupt service in areas surrounding prisons, but corrections officials tell us that’s a bogus argument. According to them, the real reason the federal government won’t approve jamming is quite simple: Cell phone companies don’t want to part with a significant stream of revenue. Prison cell phone jammer have become a necessary addition […]

U.S. analysts first caught the Russian military jamming drones in eastern Ukraine four years ago, after the invasion of Crimea, according to Humphreys. He said the UAV jammerwere initially detected as faint signals from space, bouncing off the earth’s surface. The signal jammer “had a pretty significant impact” on the United Nations surveillance drones that were attempting to […]

The electromagnetic gun can also shield all wi-fi, 3G and 4G communication signals within a radius of two kilometers by emitting an invisible electromagnetic beam. These functions are what the current counterterrorism operations require. It is reported that the British government to popularize this technology, can let smartphone into the car automatically entered into a […]

The VCO is certainly the key component in a mobile phone jamming process. It’s a tad four-terminal gadget (Vcc, RF Output, Voltage Tune, and Ground) which translates into the preferred low-level RF output signal with a nominal degree of hassle. Cell Detect, who is active in the legalization of the in-prison jamming lobby, believes it […]

MALD is a state-of-the-art, low-cost expendable flight vehicle that is modular, air-launched and programmable. It weighs fewer than 300 pounds and has a range of approximately 500 nautical miles. MALD-J adds radar-jamming capability to the basic MALD platform. Experts are starting to delve into how well the Global Positioning System (GPS) satellite navigation network resists […]

In some cases, satellite malfunction or solar flares can temporarily disrupt the transmission of GPS signals. A GPS jammer sends out a radio signals or signal noise with the same frequency as the GPS device, to override or distort the GPS satellite signals. The GPS Jammer device can then no longer calculate its position because the satellite […]

The Vatican security service has installed a device to block Internet and cell phone signals for the new Pope’s election in Rome. The cell phone jammer device will stop the cardinals and staff, including the Vatican service staff, from installing the microphone to get information. According to the TV station, anyone who violates the ban will be […]

The interference power of the shield is certain, and the shielding radius of the non-blocking space is determined by the path attenuation and the receiving base station signal level. On mobile network to realize mobile phone signal jammer, must ensure that the jammer signal of the field strength is greater than the implementation of mobile […]

GPS jamming technology can also be used to manage drones. Professor Todd Humphreys and his team have taken control of an unmanned drone through a GPS spoofing technique at Austin. They used tiny helicopters to disrupt the GPS systems on unmanned aircraft, and then to provide coordinates for drones to move towards their given targets. […]

In addition to the school order framework, Mr. Brown stressed that the cell phone jammer ban is also a “public health message that is good for the family” and is good for children. He warned parents not to let their children touch screens for long periods of time, especially before the age of seven. That was the […]

The new mayor of Turin, Appendino, is a member of the five star movement party, which values environmental protection and health. Last week, he said he wanted children to know the benefits of being a vegetarian from a young age, and he grew up eating vegetarian food to reduce the environmental pollution of livestock. In […]

According to the 2015 Credoc survey, 80 percent of French teenagers are equipped with smartphones, compared with 20 percent in 2011. The general situation is that from the fourth grade of primary school, many students began to have mobile phones, since the children can learn from their own parents at this age, and parents believe […]

Civilian drone activity has increased exponentially as drones become more easily accessible and affordable. With more drones in the sky every day, there have been some creative and sometimes dangerous attempts to disable drones. The reasons for disabling a drone can vary from boredom and curiosity to privacy and safety concerns. To be clear, the […]

Now almost every student in a school own their cell phones. What’s worse, cell phones have become many students’ “weapon” against their teachers. Most students are found using their cell phones to surf on the internet during a lecture; many students tend to listen to music or play video games in classroom; it frequently happens […]