A misunderstood jamming device

When someone hears about cellphone jammers, you might have an initial overall negative impression. After all, why would someone want to cut off the communication of cell phone users? The reality is, there are really many reasons to consider using a cell phone jammer — and within a variety of settings. A Wireless Spy Camera Jammer will […]

Read More

The basic principle of interference arms operation

Simply put, they emit random static or noise on a sweeping range of frequencies, strong enough that a device closeby cannot connect to what it supposed to. Kind of like being beside a running car engine, with the hood open, while trying to talk to someone on the phone. The local noise becomes overpowering so […]

Read More

Syria is actively deploying jamming weapons defenses

As for the automated command and control system which might be deployed to Syria, my guess is that the Polyana D4M1 would be a prime candidate. Whatever the actual mix will be in the end, I would argue that this presents a more formidable capability than additional S-300 launchers. Sure, this is apples and oranges, […]

Read More

Having a new jamming technology means a huge advantage

Duke is an outgrowth of a U.S. Army development effort to defeat remote-controlled improvised explosive devices that began in 2005, known as Counter Radio Controlled Improvised Explosive Device Electronic Warfare, or CREW. The initial versions of the AN/VLQ-12 went into Humvees, MRAPs, and other Army armored and unarmored vehicles, to provide short-range jamming to prevent […]

Read More

Most countries approve of jamming devices

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 […]

Read More

Smart devices are threatening our health

Use of smart phones have a number of adverse health effects on children, childhood leukaemia, impaired motor function, delayed reaction time, headaches, dizziness, fatigue, weakness, and insomnia. So there should be a strict law in this regard. Jelianggao explained that though they strictly observe regulations in the facility, there are instances that they cannot control […]

Read More

Some countries are already using jamming techniques

At a March 11 soccer game in Wuhan, China, police faced a new kind of threat: drones trespassing near the stadium. Their response was to use a new kind of weapon: an anti-drone gun that jammed the control signals, forcing the trespassing drones to land automatically. Given China’s role as a global leader in consumer […]

Read More

China’s jamming technology could be the biggest threat to the United States

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 […]

Read More

The threat of radio interference to national security

One of the major concerns about the request from the GOP governors is that the technology they are asking for could be used to block public airwaves. This means that state or local authorities would have access to the type of technology that could shut down cellphone calls even outside of the prison. According to […]

Read More

Educators are in urgent need of jamming devices

Many educators are having trouble figuring out how to handle electronic devices in the classroom. Some have been educating students on the negative effects, encouraging them to regulate their own use. Others have even highlighted possible applications for mobile devices in the classroom. Though, many just try to ban everything. A principal in British Columbia […]

Read More

Distractions and anti-distractions — endless topics

Virtually all defense and security applications of GPS/GNSS require additional technology to protect assets and missions against signal interference, whether signal jammer or spoofing. The upcoming free webinar, Resilient PNT for Military Applications, gives a primer on several of these technology options. Mitigation in this context means that after isolating the unwanted signal, quickly rejecting and replacing […]

Read More

GPS jamming technology has commercial and military applications

However, integrity and resiliency are growing needs in commercial applications, especially ones that are in critical operations. Much more can be done to detect cellphone jammer and spoofing than what is in standards GNSS receivers today. The GPS signal jammer works by sending out its own signal on the same frequency as the GPS unit, a noisy […]

Read More

Russia has set up a special series of jamming weapons

The Russian army has established a ground-based unit specializing in defeating enemy drones. The unit—the first of its kind in Russia—operates electronic signal jammer systems that, in theory, can sever the radio connections between unmanned aerial vehicles and their operators. NGJ-MB is part of the Next Generation Jammer (NGJ) system capability comprised of three stand-alone programs: NGJ […]

Read More

GPS jamming weapon is a new research direction

Vehicle GPS Jammer detector can help car driver to check if any signal jammer hidden in vehicles, taxi, cargo for fleet protection. Anti-theft GPS Jamming Detector can catch not only automobile thieves but also traffic violators that have RF signal blocking devices. Perfectjammer said Oct. 10 it is actively seeking a larger buyer or other investor for […]

Read More

More countries are starting to interfere with the precision of weapons

AESA technology will bring precision, power and speed to the Next Generation Jammer, an electronic warfare system Raytheon is developing to replace the legacy ALQ-99 GPS jammer on the U.S. Navy’s EA-18G Growler aircraft. The jammer will combine powerful, agile beam-jamming techniques with cutting-edge solid-state electronics and an open architecture to allow future upgrades. “A crude jammer […]

Read More

GPS anti-aircraft jamming technology is taking shape

Planning of the GPS jamming was initiated months in advance. According to Johnson, the GPS jammers had a vertical reach in upwards of 30,000 feet, so the first step was contacting the FAA, which provided a list of “green” times when commercial air traffic was at its lowest. This led to the testing being performed […]

Read More

Jamming the remote frequency to block GPS positioning

DroneTERMINATOR has been designed to protect military bases, facilities, high value assets, ceremony, meeting, demonstration areas, checkpoints and VIPs against drone and mini-UAV attacks by jamming the Remote Control Frequencies, GPS/GLONASS Satellites Navigation Frequencies and Data Link/Telemetry Frequencies simultaneously. “Russia appears to have switched on a mobile communications jammer in Kaliningrad, a very powerful one […]

Read More

The navy needs more sophisticated jamming weapons

The U.S. Navy previously awarded Raytheon Company a $1 billion sole source contract for Engineering and Manufacturing Development (EMD) for Increment 1 of the Next Generation Jammer (NGJ), the advanced electronic attack technology that combines high-powered, agile, beam-jamming techniques with cutting-edge, solid-state electronics,” a Raytheon statement said. This would be a better idea than installing a jammer […]

Read More

Powerful jamming technology becomes the key to competition among countries

The Navy is engineering a new, more powerful, high-tech electronic warfare jamming technology, called the Next-Generation signal jammer, designed to allow strike aircraft to destroy enemy targets without being detected by modern surface-to-air missile defenses. The emerging system also uses AESA. It will be the only AESA-based carrier offensive electronic attack jamming pod in DoD.The new […]

Read More

The government is buying drone jamming guns on a large scale

Many companies are watching the trend and are trying to get into the counter drone industry. They have introduced all sorts of drone guns, anti-UAS shotgun shells, attack birds, net cannons, lasers, missiles, radio drone jammer, radio spoofers, etc. An example of a multi-layered system is the Anti-UAV Defense System (AUDS) from Blighter Surveillance Systems, Chess […]

Read More

Jamming devices began to appear as a necessity

Ch Supt Gavin Thomas, the president of the Police Superintendents’ Association of England and Wales, suggested in an interview that wifi jammers – devices worn on the ankle or wrist to block the internet – could serve as a smarter punishment for cybercrimes than prison. “We have got to stop using 19th-century punishments to deal […]

Read More

Jamming weapons are epoch-making

Raytheon’s NGJ will provide airborne electronic attack and jamming capabilities, and will include cyber-attack capabilities that use the aircraft’s active electronically scanned array (AESA) radar to insert tailored data streams into enemy systems. Perfectjammer could help US forces to power through electronic interference. Radio signals lose power over distance, making them progressively more vulnerable to […]

Read More

Jamming devices are now in demand everywhere

Almost everyone makes use of the mobile phones everywhere whether it is a theatre, educational institute, café, restaurant, office or any other place. People nowadays spend their most of time on mobile phones rather than spending a good time with their families or focusing on their organizational goals. Though mobile phones may help you in […]

Read More

Use jamming equipment for the right purpose

Cell phone jammers have both benign and malicious uses. Police and the military often use them to limit or disrupt communications during hostage situations, bomb threats or when military action is underway. Portable personal signal jammer are available to enable their owners to stop others in their immediate vicinity (up to 60-80 feet away) from using cell […]

Read More

The air force is putting jamming equipment on warplanes

“The work is currently underway to develop an aircraft equipped with jamming 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 […]

Read More

Optimal use of jamming weapons

Simply pushing lots of CW power into the ether is the most inefficient method of jamming and rarely used because of this. More efficient is a tailored jamming system that is modulated in a way that causes problems in the demodulator of the receiver being jammed, usually by using a high peek pulse power at […]

Read More

Whether the jamming device will conflict with other devices

Whilst evading such jamming is easily possible and having an autopilot likewise, are they currently built into the available drones in a way that can not be overridden by a jamming system who’s manufacture has shall we say a not publicly known arrangement with the drone manufacturer? Simply pushing lots of CW power into the […]

Read More

Jamming devices are becoming a necessity

Some areas requiring strict control, such as military sites, prisons and detention centers, are highly classified and should be strictly controlled. In areas such as military sites, prisons and detention centers, blocking cell phone signals can greatly prevent leaks. In the information age, mobile phones seem to have become a necessity for life, and nowadays […]

Read More

Jammers are playing many positive roles

Simply pushing lots of CW power into the ether is the most inefficient method of jamming and rarely used because of this. More efficient is a tailored jamming system that is modulated in a way that causes problems in the demodulator of the receiver being jammed, usually by using a high peek pulse power at […]

Read More

Britain is actively deploying jamming devices

Obscured by police officers, the third piece of kit seen on the Gatwick airport roof is possibly a jamming device, used to disrupt the signal between the ground operator and the drone. A well-placed source said a jamming device was deployed at Gatwick and which was supplied by the British military. The source suggested the […]

Read More

Electronic jamming weapon targeted yuaneng

The Shtora is an electro-optical cell phone jammer designed to disrupt guided missiles. It’s not clear if the jammers were switched on, or didn’t work, when the Hawks Mountain Brigade opened fire. Russian media has also reported that the particular tank was an earlier version of the T-90, so more recent upgrades, such as the T-90A which […]

Read More

Russia’s electronic jamming weapons pose a serious threat to the west

The US Federal Aviation Authority last month issued a warning to US aircraft flying over the eastern Mediterranean region of the increased threat of Russian electronic warfare jamming: “be aware of possible loss of GNSS (global navigation satellite system) signal within Beirut FIR (flight information region) due to unforeseen reasons” The NATO exercise, Trident Juncture, […]

Read More

The us navy is secretly developing the latest jamming weapon

L3 Technologies has been selected for a $36 million demonstration of existing technologies (DET) contract award for the U.S. Navy’s next generation cell phone jammer low band (NGJ-LB) program. The DET program encompasses a period of performance of 20 months, culminating in a demonstration at Naval Air Station Patuxent River, Maryland. The Next Generation Jammer will augment, […]

Read More

How important are jamming weapons to national security?

US department of Homeland Security (DHS) operates autonomous drones patrolling over the USA-Mexico border, which suffer jamming attacks by border smugglers, mainly the drug cartels,” said Gai Mar-Chaim, Senior Partner at the management consulting firm POC. “The DHS gives high priority for lightweight anti-signal jammer solutions for this challenge, and GPSdome is the only commercially available […]

Read More

The extraordinary value of jamming weapons

In one incident in Hanover, Germany, Bennington said, a GPS emulator being used for maintenance disrupted inbound aircraft navigation and actually electronically moved the runway threshold. It took authorities hours to find the source. NASA’s ASRS has recorded more than 100 incidents of interference, some serious enough to cause aircraft to lose position data. While […]

Read More

Research direction of a new generation of jamming weapons

Known as MALD-X, the initiative is intended to demonstrate capabilities potentially applicable to the USN’s planned MALD-N stand-in jammer, and at the same time establish an upgrade path for the US Air Force’s (USAF’s) existing MALD-J inventory. Flight demonstrations were completed on 20 August and 22 August on the Naval Air Warfare Center’s Point Mugu […]

Read More

The role of rifle type jamming devices

DroneGun is a rifle shaped mobile jamming device that uses electromagnetic signals to either force a drone to land or return to its point of origin. It also isolates the jamming to the right range, avoiding disruptions to friendly communication channels. The situation was similarly serious in September 2017, when airliners from companies SAS and […]

Read More

Drone control method – jamming gun

The country’s anti-drone air defense force is training with a rifle-shaped antenna that can jam the remote control signals of a drone. The signal jammer-wielding soldiers are paired with other shotgun-armed squad members, whose shotguns fire specialized shells. (As to how those shells are specialized, the Ministry doesn’t say, but there is at least one counter-drone […]

Read More

Reasons for using jamming devices

The national promotion of cell phone jammer is actually a signal. The state and government are cracking down on cheating. But for some cheating behavior is not detected in time. Therefore, it is very scientific and reasonable to test with such equipment. This device has many advantages. It has shielding capability that can be set […]

Read More

Why do more and more industries need jammers now?

The cell phone jammer can block the signal of mobile phone. When it was installed, there is no signal in your cell phone. Yesterday, I read a piece of news that a middle school have installed the cell phone jammer for there are many students play games or surf the internet with the help of mobile phone. […]

Read More

Radio interference will inevitably become focus in the future war

It’s not clear exactly which drones are being impacted, though NBC News claims that it’s affecting smaller drones and not MQ-9 Reaper or larger drones. This implies that the 4G jammer while effective, have a short operating range and that larger drones can simply fly above them. Then again, as Maritime Executive points out, larger drones also […]

Read More

Satellite interference technology is realized

Such technologies, which effectively render the satellites useless, make it difficult for any potential enemy to bypass the jamming and de facto leaves them without any modern communication tools. Eventually, it can significantly shift the balance in modern combat activities, which are increasingly characterized by rapid changes of environment and high requirements for troops’ adaptability, […]

Read More

Prison cell phone is a problem to be solved

“Our employees complain that prisoners have phones and contact people outside the prison, but the Government Press employees spend their working hours at the department as prisoners, unable to call their family members even during the lunch hour,” she said. She said the prisons authorities should crack down on the use of mobile phones inside […]

Read More

The most effective jamming technology

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 […]

Read More

Russia’s military strength is to interfere with technology transfer

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 […]

Read More

Interfering with equipment placement cheating on exams

The reasons for the move can be traced back to 2016. That year, there was a very serious cheating in the college entrance examination, which was leaked on the Internet and spread crazily. Last year, Algerian authorities asked isps (Internet service providers) to shut down social networks, but self-conscious measures alone were not enough to […]

Read More

The need for 5G jammers is emerging

Even though the United States and Britain are concerned about this situation. But the Portuguese have already signed a technology deal with huawei. While celebrating their 5G network’s lead in the world, they did not consider that their communications were likely to be monitored by huawei. China has been ramping up its 5G ambitions and […]

Read More

The us military is secretly developing a new generation of jamming weapons

Enter the Next Generation cell phone jammer (NGJ), a new, more capable EW system that combines agile, high-power beam-jamming techniques and state-of-the-art solid-state electronics to give wider threat coverage, greater precision and enhanced mission flexibility. Finally, and currently scheduled to take place in 2024, Increment 3 will provide the Navy with the entirely new capacity for high-band […]

Read More

American airspace is under threat

The concern comes as civilian aviation and communications systems have repeatedly been signal jammer in connection with nearby Russian military activities. The situation was similarly serious in September 2017, when airliners from companies SAS and Widerøe in periods had to navigate with the help of radio signals due to loss of GPS when they entered the East […]

Read More

American prisons are promoting jamming devices

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 […]

Read More

Test the significance of signal jamming weapons

Similar tests occurred in 2010, but Williams said Wednesday’s effort was significant because jamming 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 […]

Read More

The prison is conducting an investigation into the use of jamming devices

Analysis of aggregate cell phone jammer emissions at prison facilities is beyond the scope of the report, as aggregate analysis would require detailed knowledge of specific facilities’ physical characteristics, the exact placement of individual jamming transmitters within such facilities, and the exact electronic characteristics of the jamming transmitters. After the Nabha jail-break in 2016, the Burail jail […]

Read More

Russia has the most powerful jamming weapons available

Moscow’s successful use of electronic warfare (EW) in Ukraine and elsewhere, coupled with the deployment of advanced Russian air defences – arguably some of the best in the world – to Syria has put jamming firmly back in the spotlight, not least for the US Navy and its fleet of EA-18G Growlers. At the measurement […]

Read More

Russia has long interfered with American broadcasts

The Russian military has been jamming some U.S. military drones operating in the skies over Syria, seriously affecting American military operations, according to four U.S. officials. So far, the attacks have only affected small surveillance drones, four officials told NBC News, not the U.S. Air Force’s armed Predator and Reaper models. They declined to discuss […]

Read More

The U.S. navy is pushing ahead with the use of jamming devices

The US Navy’s USS Theodore Roosevelt aircraft carrier has reached the Philippines, and it looks like China has jamming equipment in the South China Sea. While jamming isn’t anywhere near shooting, the provocative activity “could lead to an escalatory pattern that could be negative for both sides,” and the US will “not look kindly” on […]

Read More

American prisons are experimenting with cell-phone jamming devices

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 […]

Read More

How does the us regulate drone smuggling

US department of Homeland Security (DHS) operates autonomous drones patrolling over the USA-Mexico border, which suffer jamming attacks by border smugglers, mainly the drug cartels,” said Gai Mar-Chaim, Senior Partner at the management consulting firm POC. “The DHS gives high priority for lightweight anti-jamming solutions for this challenge, and GPSdome is the only commercially available […]

Read More

Jammers prohibit students from using mobile phones in class

More than 80% of middle school students have mobile phones. Most students say that the main function of buying a mobile phone is to communicate with their parents. But in practical use, contact with parents becomes a minor part of it. Most students use their phones for socializing, taking photos and playing games. “A lot […]

Read More

Military jammers are in action

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 […]

Read More

As the management of uavs becomes increasingly difficult, authorities have decided to introduce electromagnetic jammers

The C5 Consortia, formed in 2014, and the most popular of the 25 consortia tracked by BGOV, is designed to address C4ISR and cyber technology requirements. BGOV’s C5 opportunity search shows 102 opportunities through C5. In order to respond to the drone GPS jammer or other C5 opportunities a company must join the consortia which currently has […]

Read More

Jamming devices are increasingly needed

A lot of public places, commercial and corporate buildings, organizations, colleges and schools, institutions, use portable cell phone blocker. In addition to these places, there are government offices, conference halls, and military cantonment areas, confidential meeting rooms which implement a portable cell phone jammer so as to prevent the disclosure of any private detail or information. There […]

Read More

America is increasingly using jamming as a common technique

Federal prisons officials on Wednesday tested a jamming technology inside the walls of a federal prison, a rare move that authorities said they hope will help combat the danger posed by inmates with cellphones. Similar tests occurred in 2010, but Williams said Wednesday’s effort was significant because gps jammer technology has evolved, as have inmates’ efforts to […]

Read More

Russia’s jamming technology is getting better and better

It is increasingly obvious that the Russian systems. and the threat they pose, are out there now, though. They also offer the Kremlin a relatively low risk means to probe or otherwise harass its opponents without touching off an actual conflict, as is the case with cyber attacks, since it can be difficult for authorities […]

Read More

The application scope of space interference is gradually expanding

“The last 15 years have seen a dramatic proliferation of GNSS jamming systems: from the preserve of the military, through criminal groups, to the point where jammers are now sought and owned by everyday citizens seeking to hide from a perceived risk of being tracked during their day-to-day lives.” Among the companies and organizations working […]

Read More

Interference technology is widely used in electronic field

The ECM component of Electronic Warfare (EW) is provided by vehicle based jammers for radio communications which are fully equipped stand-alone jammers. These are versatile EW systems and cover the bands used for tactical radio communications on the battle field with wideband receivers connected to DF antennae for recognizing the direction of transmissions and directional […]

Read More

GPS jamming weapons are becoming a requirement

This is the fourth round of GPS jamming by North Korea since 2010. Previous attacks have affected approximately 1,000 civil aircraft and unmanned aerial vehicles of the South Korean military. An attack in 2012 reportedly affected GPS-based car navigation systems in the capital city of Seoul. North Korea developed its GPS jammer capability in response to GPS-guided […]

Read More

Why does the us need the most advanced jamming technology

That’s why the US needs “penetrating” cell phone jammer, Bacon said: stealth aircraft that are harder – though hardly impossible – to target and which can slip into enemy airspace to conduct electronic warfare at shorter ranges. GPS denial is a becoming a huge issue for American military planners. Peer states, especially Russia, are already putting […]

Read More

Practical use of space interference

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 […]

Read More

The use of GPS interference in modern life

GPS signals make use of a definite and specific frequency. GPS works at two main frequencies. The one is intended for non-military or public use at 1575.42 MHz and the other one is meant for military purpose at 1227.6 MHz. Actually, GPS is based on radio waves. Overall, using the GPS can be very useful, […]

Read More

The application of uav jamming in modern city

Drone Jammer was designed to neutralize the flight unauthorized Drones/Quadcopters by jamming their downlink signal. It has unique software which allows quickly detecting the drone and jamming the hostile drone from ranges of up to 4km (with special dedicated antennas). The below provides technical description of the system. It wouldn’t make for nice propaganda, but […]

Read More

Jamming devices ensures safe driving

Data from RAC, a British road-rescue company, provides theoretical support for the development of a “signal shield back”. Data from the RAC show that the number of drivers operating mobile phones during driving has risen from 8 per cent in 2014 to 31 per cent last year. The problem is not just that drivers text […]

Read More

Several countries vying for supremacy in electronic jamming

The jamming problem has been getting worse in recent years. Russian and Chinese forces have deployed increasingly powerful electronic warfare gear in the air, on the ground, and at sea—all aimed at denying the radio frequency, or RF, to the US military. The Americans are uniquely vulnerable to RF jamming, as many US war-fighting concepts […]

Read More

More and more jamming devices are used

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 […]

Read More

Signal Jammers Can Easily Intercept Drones

It is difficult to stop the drone. Rosenstein said: “Technical solutions for detecting and destroying drones are in their infancy.” He added that the Department of Justice supports regulatory change, which will make it easier to deploy interception technology and cell phone interference. However, in recent years, the media has repeatedly reported the theft of […]

Read More

Signal Jammers May Become More Common

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. The recent reports out of Syria highlight the inclusion of these in an evolving battlespace. One of the simplest threats to drones […]

Read More

Jammer prevents cheating during the exam

A cellular phone is a full-duplex device that utilises two frequencies at the same time. One is for talking while the other is for listening. The signals are handled at the same time. “We have installed jammers in four examination halls for preventing cheating during exams. Instructions have also been passed to the invigilators to […]

Read More