Drone Detection and Neutralization Technologies – Part I

Reading time: 10 min 

With so many different anti-drone methods jostling for attention, understanding drone detection and neutralization can be an intimidating task. All the same, a handful of technologies have gradually risen above the rest and been adopted by the majority of airspace security providers. How do you choose the drone detection system that’s right for your airspace? The first step is knowing what’s out there. Let’s take a closer look in our two-part series.

Part I – Drone Detection Technologies

Radiofrequency

Radio Frequency or “RF” technology analyses the RF spectrum within the protected area searching for any form of communication between a drone and its remote control. In some cases, RF can even identify the drone make and model as well as the MAC address of WiFi drones.

How It Works

The vast majority of COTS (“Commercial Off The Shelf”) drones are connected to their remote controls over specific frequencies of the radio frequency spectrum. This means that the drones “talk” to their controllers in regular intervals – around 30 times per second – transmitting information such as altitude and position, battery life and video feeds. The remote “answers” back with pilot commands like “Go left”, “Go right”, “Accelerate”, etc.

The advantage of this style is that the signature or protocol of COTS drones is relatively distinct from other communications taking place on the same frequencies. This means that even in a busy urban environment with an enormous number of different signals flying through the air from laptops, smartphones and other devices, drone communication stands out as distinct “peaks” on a spectrum chart.

In a radio frequency-based drone detection set-up a passive radio frequency sensor captures activity on select frequencies of the RF spectrum and relays it to a computer where specialized algorithms compare it to a database of drone protocols. The computer detects and matches the telltale frequency peaks of drone/remote communication with a high amount of accuracy, sounding the alert as soon as the drone and its remote are activated. Given that different drones have different protocols, a good radio frequency detection system can in some cases even identify the flying device’s make and model.

What about more than one drone? Recent reports out of Syria and Iraq have raised concerns over “drone swarms” or groups of drones steered by a single pilot. With radio frequency detection, even if multiple drones intrude into airspace at a given moment, they can all be detected and tracked as long as they communicate with their pilot over the RF spectrum – which is the case with nearly every consumer-grade drone.

Drone and Pilot Geolocation

A particular advantage of RF technology is that certain sensor configurations allow an administrator to discover and track the location of both the drone and its pilot. Given the restrictions placed on drone interception methods, apprehension of the pilot is probably the safest, least complicated and most effective method of neutralizing drone threats at their source.

Nobody’s Perfect

Despite all the advantages of a radio frequency anti-drone solution, like any technology it has its limitations. Autonomous drones pose perhaps the biggest challenge to an RF-based system since an utter lack of communication between the drone and its controller would eliminate all opportunities to detect it on the spectrum.

But a truly autonomous attack – involving a drone able to navigate by GNSS without even sending back its video stream or telemetry information, spontaneously adapting to changes in the environment and avoiding unexpected obstacles – is extremely complex to orchestrate and therefore unlikely. Barring any sudden technological breakthroughs, RF-piloted drones are likely to remain the device of choice for the majority of operators for the foreseeable future.

  • Pros: Very cost-efficient: drone and pilot localization, drone make and model identification, detection beyond 2km in optimal conditions, passive technology -no interferences-, multiple drone detection.
  • Cons: Does not detect fully autonomous drones. Ambient RF pollution may sometimes reduce effectiveness

Radar

Radar can provide effective detection of drone presence over a long range. It can be successfully paired with other technologies, such as RF or optics, to provide more thorough coverage if desired.

How It Works

A radar system has a transmitter that emits radio waves called radar signals that are either reflected back or scattered by objects they encounter. The distorted waves bounce back to the radar receiver where algorithms convert them into a visual on-screen format that gives an idea of encountered object’s shape, size and density.

Most airports use a mix of radars on the Long Range or “L” band and Short Range or S” band in their air traffic control operations. But since drones are far smaller than any airplane or helicopter, they require a different approach.  K and X Band radars are often used for low aerial surveillance, including drone detection, with X being preferable as its shorter wavelengths (8.0 to 12.0 GHz) provide higher level visibility and are more adapted to detecting small targets.

Pulse-Doppler Radar

An object moving closer or farther away from the radar transmitter creates a “Doppler Effect” – a distortion or bend in the radio wave. A Pulse-Doppler radar drone detection system emits periodic bursts of radio waves and measures the bends in the returning radar signal to estimate the distance, speed and characteristics of a detected object.

Drones however are mostly made of plastic which is invisible to radar and only their metal cameras, batteries and motors provide a platform for the radar signals to bounce off of. Here’s where Micro-Pulse Doppler, an even more precise system, comes in – emitting a series of pulses very close together to get a more accurate picture of the monitored target, a necessary feature when attempting to identify objects as tiny as a drone camera or motor (4)(5).

Where Radar Falls Short

Drones are smaller than manned aircraft and tend to fly close to the ground which makes them very difficult for all but the most specialized radar to detect (6). Such systems do exist, but they often present additional issues such as cost, high-false alarm rate and potential interference (7):

– Cost – The most effective drone detection radar systems are more specialized X band Micro-Pulse Doppler models. The initial outlay can be quite costly for a security administrator. But other costs are a result of the very nature of radar. Since it is an “active” or emitting detection technology, the only way for it to work is to be constantly on. Thus, it consumes considerably more energy than a passive system. This also means that radar coverage can knocked out completely if its power supply is disabled by weather, sabotage or malfunction.

– False Alarm Rates – Due to their comparable size and flying patterns, birds tend to create a lot of false alarms when entering the radar coverage.

Potential Interference – Radar’s active nature and the fact that some communications use the same frequencies may mean unintended interference with local broadcasts and the need to obtain a license to operate the system

  • Pros: Constant coverage. Drone tracking. Multiple drone detection
  • Cons: High false alarm rates. Cannot detect nano drones. Struggles to detect micro drones. Can interfere with ambient communications. Can require authorizations from local authorities.

Optics (Camera)

Optics allow visual and/or infrared thermal imaging detection and characterization of approaching drones and drone payloads. Like radar, optics can be successfully combined with RF technology to provide more thorough coverage.

How It Works

Optic detection uses cameras to spot intruding drones. The cameras can be divided into several types including standard visual security cameras, but Electro-Optic Infrared Thermal Imaging (EO/IR) cameras are the most commonly employed for CUAS. They work by using mid-wave Infrared Radiation (MWIR) or long-wave Infrared Radiation (LW IR)) to scan the protected space and specialized algorithms to spot heat differences between drones and their environment.  

The plastic casing protecting a drone’s inner workings is not a heat conductor and the drone’s motor produces far less heat than one might imagine. However, the lithium battery that powers most consumer UAS generates a sufficient amount of heat to be spotted by a human operator using an infrared camera. Infrared cameras are useful from the moment there’s a difference in temperature and can “see” in total darkness without supplemental illumination, which makes them ideal to use at night or in missions where staying inconspicuous is imperative.

False Alarms and Weather Woes

The chief issues confronting an optic anti-drone system are high false alarm rates and weather-related issues. Cameras employing visual scans have shown consistent issues with false alarms due to the difficulty of differentiating between COTS drones and similarly sized airborne objects like birds, or even leaves. To avoid this, a very large database against which the algorithm can compare the detected object is necessary along with heavy processing power.

Some of these challenges may be mitigated by the complementary use of infrared thermal technology to ferret out drones by detecting their heat signatures. But thermal drone detection can be adversely affected by weather conditions. High humidity, rain or dense fog can severely reduce the effectiveness of infrared thermal drone detection as the infrared radiation is scattered by water particles in the air.

In one study, at a Fog Level of III (“visual detection at <300m” using the International Civil Aviation Organization (ICAO) scale) both MWIR and LWIR hardly were virtually no better than visual detection alone. Thus, infrared thermal drone detection becomes problematic in Summer/Winter seasons in Temperate climates and practically year-round in Tropical, Oceanic or Subarctic climates which present high levels of ambient humidity and/or precipitation.

  • Pros: Visuals can be retained and used for forensic evidence of drone intrusions. Infrared cameras can “see” in the dark. Fewer restrictions for use
  • Cons: Without RD or radar to back it up, false alarm rates are high. Performance impacted by light and weather conditions. Difficulties detecting small drones

Acoustic

Acoustic UAV detection sensors pick up vibrations made by the propellers and motors of drones and can match them to a database of drone acoustic signatures.

How It Works

It works by capturing vibrations which drone propellers and motors emit during flight, on a preset noise frequency band. Composed of arrays of multiple microphones, the acoustic drone detection sensors transmit the vibration to a database which uses algorithms to calculate azimuth, thus locating the sector in which the drone is operating and sometimes even the make and model of the drone. If the system is fitted with a large enough and regularly updated database, a large majority of drone models on the market can be identified.

Acoustic technology is lightweight, easy to install and can be used in mountainous or highly urbanized areas where the presence of hillsides or tall buildings might block some other detection methods. It is entirely passive and thus doesn’t interfere with ambient communications and uses little in the way of electric power.

Urban & High-Noise Environments Present a Challenge

While acoustic detection technology’s advantages: lightweight, low power use and passive nature, make it an attractive option, it’s reliance on acoustic signatures is actually its biggest flaw. Drones are becoming ever more silent as the technology evolves and market pressures demand a quieter device (4). And a homemade drone, constructed from spare parts, may not show up at all since it might not match anything in the database.

In addition, acoustic sensors can often detect drones, particularly in noisy environments, only at relatively close distances (less than 1KM in many instances) (2), which isn’t enough to avert an attack or collision. Given these flaws, an acoustic system might be better suited as a backup to more reliable radiofrequency-based technologies like RF or Radar detection.

  • Pros: Can detect autonomous drones and provide azimuthal information on incoming drone direction. Easy installation. Low-energy use, passive technology
  • Cons: Sound database must be constantly updated to be effective. Drones are becoming more and more noiseless as technology advances and homemade drones may not show up. Detection range is often under 1km

No “Perfect” Solution

Each technology has pros and cons and our experience has taught us that there is no single “foolproof” choice. Nevertheless, it is possible to find an extremely effective solution and set-up adapted to your particular situation, particularly if you opt to mix complementary primary technologies (i.e. radio frequency for detection/geolocation and radar to detect autonomous drones) to assure maximum coverage and if the budget permits, secondary technologies (optic and acoustic) to fill in any potential gaps.

As a stand-alone option, nothing beats the effectiveness and cost-to-benefit ratio of radio frequency, which remains the solid foundation of the vast majority of drone detection solutions and for good reasons.

In the next article in this two-part series, CerbAir will explore the often complicated and sometimes surprising world of drone neutralization.

Want to Learn More?

The playing field for anti-drone technology is crowded and choosing the right system might seem impossibly intimidating. CerbAir has produced a white paper on the subject, complete with descriptions of drone detection and neutralization systems and a convenient checklist to help security administrators determine the best choice for their airspace. Download your copy of The Beginner’s Guide to Securing Sensitive Airspace with Anti-Drone Technology today to learn more.

Additionally, check out our article on qualities to look for in an anti-drone security provider here.

A Round-the-World Look at Drone Regulations

When did “COTS” (Commercial Off The Shelf) or hobby drones first enter your consciousness? Can you even remember? Perhaps it was a holiday gift for a young family member or video filmed from spectacular heights and uploaded to YouTube. Though Unmanned Aerial Vehicles or “drones” have been around for decades, it’s only within the past 10 years or so that they’ve become widely available to the public. And with that increase availability came a number of unexpected security headaches.

The Threat Emerges

Before the democratization of UAV (Unmanned Aerial Vehicle) technology in the early teens, there was almost no drone-specific legislation anywhere. Drones and their actions were mostly covered by rules governing civil aviation and lumped in with model airplanes and kites. A noticeable shift in the attitude of authorities towards consumer drones began around 2014 following a number of high-profile incidents involving drones:

  • October/November 2014Unidentified drones are spotted hovering over 13 separate nuclear power plants in France in what the Secretariat-General for National Defence and Security describes as an “organized provocation”
  • January 2015 – A drone ends up on the White House lawn in Washington, DC after the drunken pilot loses control of the device. The incident provokes a Secret Service investigation and raises concerns that the US capital could come under threat from consumer drones
  • April 2015 – A drone carrying a small amount of radioactive material is discovered on the roof of the offices of the Prime Minister of Japan. The pilot, who was protesting the use of nuclear energy in the country, received a suspended two-year sentence

Authorities Take Action

As complaints and reported incidents began piling up, taking many civil aviation authorities by surprise, a serious movement to bring drones and their operators under some sort of government control began taking shape. Although uneven, some common elements appear:

  • Limiting maximum flight altitude, often to around 120m (400ft)
  • Restricting drone operation to within line-of-sight and daytime hours
  • Banning unauthorized drone activity near airfields
  • Banning or restricting drone flights over populated areas
  • Prohibition of drone operation in disaster areas or near emergency operations

Still, drone regulations remain a subject of confusion for many including drone pilots themselves.

CerbAir’s Newest Anti-Drone Resource

That potential for confusion among pilots and security administrators alike was a major motivating factor when it came to determining the subject matter of our new White Paper. We wanted to give readers a global look at the current state of drone-related legislation: perhaps to inspire them to push for new ideas or reform in their own regions or simply to inform them of their rights and responsibilities under existing laws.

We’re excited to present our newest White Paper and anti-drone resource: A Survey of Drone Regulations Around the World. Within you’ll find an overview of drone-related legislation in five countries around the world as well as helpful links and resources to learn more.

Click here to get your copy.

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Sofins 2019

The Crossroads of Technology and Defense

CerbAir will be present at the 4th annual Sofins expo from 02-04 April 2019, held at Camp de Souge military base near Bordeaux, France. We’ll be conducting demonstrations of our anti-drone solution (more details below) and a conference on UAS terrorism.

We look forward to seeing you at our stand D54. Click here to get visitor access. Be sure to register before the cut-off date: 26 March 2019!

What Is Sofins?

Sofins began as the culmination of years of effort by members of the Cercle de l’Arbalète to improve the ties between the French technology and defense sectors. Observers on both sides are increasingly alarmed by the growing role of new technology in emerging security threats.

Cheap and commercially available hobby drones appeared in the Middle East around 2014 as part of the Islamic State’s asymmetric push to dominate the region. The tactic was soon picked up by other non-state actors from Latin America to Eastern Europe and even by some cash-poor professional militaries.

Meanwhile, the falling prices of nano-drones and software allowing multiple UAVs to be controlled by a single operator means the threat of weaponized drone swarms capable of overwhelming traditional defenses is now looming over the military world. Add to this advances in cyber-warfare, 3D printer-based arms production and other menaces and the need to bring the tech and defense sectors together becomes obvious.

Sofins is a forum that allows new ideas and relationships to flourish, sparking innovation.  As Sofins’ website makes clear, the mission promoted by its organizers is to:

“Raise the profile of special operations by celebrating and nurturing the innovative spirit of micro-enterprises, SMEs and large industrial groups working in this area.”

At Sofins technology developers have a chance to promote and educate visitors on the newest innovations while defense sector players can test those innovations out, attend demonstrations and conferences and expand their network in the tech sector. The security “challenges of tomorrow” thus become more manageable. As a provider of innovative and reliable CUAS solutions, CerbAir is eager to share its technology and security expertise in the effort to produce a safer world for all.

Anti-Drone Solution Demonstrations & Informative Conference

In the vein of sharing our expertise and spreading knowledge about advances in anti-drone technology, CerbAir has scheduled two live demonstrations of our CUAS solution. Come discover for yourself on the following dates:

Tuesday, 02 April 2019 at 10AM

Thursday, 04 April 2019 at 10AM

We’re also excited to announce an informative talk by our Director of Business Development and Security Export Thomas Guedet on the topic of Civilian UAS-based Terrorism: An Asymmetrical War – a concise, but detailed look at the rise of the use of civilian drones in terrorism and war:

Civilian UAS-based Terrorism: An Asymmetrical War
Salle de Conférence du Sofins
Wednesday 03 April
11AM

Perhaps you’ve been looking for innovative answers to your security challenges, you like to keep abreast of the latest advances in defense technology or you’re trying to expand your network. Sofins, the crossroads of technology and defense may be just what you’re looking for.

UAS Technology Catches the Eye of UK and US Militaries

UK Defence Minister Gavin Williamson’s announcement that British armed forces are in the midst of developing drone “squadrons” created a buzz in both the defense and UAS worlds. Appearing at an engagement at the Royal United Services Institute, Mr. Williamson spoke of swarms of tiny UAS steered by a single pilot and designed to saturate and eventually completely overwhelm enemy air defenses.

The move comes as the Minister maneuvers to close budget and manpower shortages by employing AI and a combination of commercial and military technology.

The US Air Force Joins the Game

Britain is far from alone in its interest as cheaper drone models are seducing military strategists worldwide. In 2018, the Pentagon included UAS among the emerging technologies it was looking to incorporate into its new “Flight Path” strategy for the US Air Force. It came to that conclusion after Red Team exercises revealed that traditional staples of US air power like Predator and Global Hawk military drones were becoming a thing of the past.

“Gremlins” – DARPA’s project to “develop a full-scale technology demonstration featuring the air recovery of multiple low-cost, reusable UAS.”

“What we see is that the traditional big wing ISR has been routinely losing effectiveness over time,noted Kenneth Bray, the Air Force’s deputy chief for ISR, at a conference held in August 2018, adding that the Pentagon was not going to wait to move forward with new innovations, even if there will still a few kinks to work out.

Drones, specifically devices made of lower cost, sometimes mass-produced materials, provide an interesting alternative to the much more expensive Predators of old. And they bring with them the additional benefit of speed, with their artificial intelligence powered sensors and processors allowing airmen more leeway to think critically rather than merely process data according to another official.

From a Trickle to a Torrent

Of course, those in know are aware that expensive materials and sophisticated AI aren’t obligatory to turn a drone into a military asset.

The separatist conflict in eastern Ukraine has been marked by a steady stream of commercial and locally produced drones employed by both sides in a surprisingly wide variety of roles: providing surveillance footage of on the emplacement of artillery, tanks, and rocket systems, smuggling of provisions and even “kamikaze” drones designed to be sacrificed in an attack on enemy forces.

An emphasis on surveillance and attack was similarly observed in fights with the Islamic State during the Syrian Civil War as well as the effort to push the jihadist fighters out of Mosul, Iraq. Coalition troops regularly reported being harassed by quadcopters and dozens of Iraqi troops were killed or wounded by 40-millimeter grenades and light explosives dropped from UAS buzzing just out of reach, described by one serviceman as “killer bees.”

In most cases the devices were either off-the-shelf hobby drones modified to carry a single explosive or locally-produced UAS whipped up out of mix of homemade and commercially available parts, often sourced through third parties from unsuspecting wholesalers in Europe and Asia.

Beyond the Middle East, Islamic State affiliates in the Philippines, Libya and Yemen have reportedly used drones for surveillance as well Hezbollah in Lebanon and the Taliban in Afghanistan.

For Dan Gettinger, co-director of the Center for the Study of the Drone at Bard College, nothing can stop the coming flood of UAS expected to darken the skies of battlefields all over the globe: “The U.S. military and any military has to prepare for an operating environment in which enemy drones are not just occasional, but omnipresent,” adding, “Whether it’s a small, tactical UAS, midsize or strategic, drones of any size will be commonplace on the battlefield of the future.

The Chinese and Iranian Factors

The easy availability of drone technology itself might be partly to blame for their increasing presence in war. The devices can be mass-produced cheaply, parts are simple to procure and online vendors can ship them to virtually any part of the world.

Even for UAS specifically conceived for combat, prices are falling as producers like China are challenging American dominance in the field in more ways than one. A report on drone proliferation in the Middle East released by the Royal United Services Institute for Defence and Security Studies noted that in addition to the relatively low cost of Chinese made drones, China’s “no questions asked” sales methods did much to contribute to the jump in drone numbers in Middle Eastern nations:

“Purchasing armed drones from China, a country which does not abide by the MTCR, enables them to gain access to this technology without being barred by international norms. Although Chinese operators often conduct initial sorties, including combat ones, they do not appear to insist on particular procedures but instead enable and teach new users to employ their armed UAVs as they wish.”

The report also names Iran as an emerging manufacturer of low cost (and no strings attached) UAV technology, noting that Iran does discriminate between state and non-state actors such as insurgent groups. Though evidence and details are still “feeble”, it is suspected that Iran “might have supplied armed drones to Hamas, Hizbullah and the Houthis as well as the regime of Bashar Al-Assad in Syria.

As noted in a previous blog post, some non-state groups have become particularly adept at adapting Iranian or Chinese low-grade military drone technology with the addition of commercial parts or technology to produce a sort of “Frankendrone” that while clunky, gets the job done.

The Houthi rebels of Yemen are an excellent example of this. In January 2019 they sent an armed Iranian-made Qasef-1 fitted with civilian GPS to attack a Government military parade, killing several including a high-ranking intelligence official.

A Problem of Speed

Even though militaries appear to be enthusiastic about the potential of UAS and well aware of the risks stemming from its proliferation – actual rollout of reliably functional battle drones seems to be proceeding at a slower pace than many would prefer.

In the case of the UK, many were skeptical of Williamson’s promise that the UK could develop drone swarm squadrons “ready to be deployed by the end of this year (2019)” with one expert stating that the idea of swarm drones was “very much at the concept stage, and it’s very unlikely he can meet the deadline of the end of the year.

Indeed, for the moment the most dynamic players in the new drone arms race appear to be non-state actors, who faced with the overwhelming fire power and budgets of traditional state militaries are making due with what they can find and in an often very effective and potentially deadly way. It seems necessity really is the mother of invention.

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How can I Choose the Right Anti Drone Security System?

Airspace security is an extremely complex topic where a great number of factors need to be taken into consideration to provide the best possible solution for a given site. Given the depth of the topic and the enormous amount of competing anti-drone systems (also known as “CUAS” or “CUAV”) on the market, how can you choose a system that provides optimal airspace security at the best cost/efficiency ratio and over the longest possible period?

Qualities to Look For

Strangely enough, the same qualities that make a good friend are the same ones you should be looking for in a provider:  

  • Are they someone you can trust? Ask for references. Any serious counter UAV (“counter drone”) provider will be willing to provide client and partner references and most likely specific use cases to prove they know what they’re talking about. Also, be careful about maximum coverage ranges. Ask the provider if the drone detection ranges they’re giving you are under average or ideal conditions. The difference may be surprising.
  • Are they committed? Does the provider make the sale and that’s the end of the relationship? Just like a “friend” who disappears once they’ve got what they wanted, a provider who cuts all contact post-sale is someone to watch out for. Look for an anti drone security company that watches over you. Post-sale service, software updates, and troubleshooting are essential.
  • Are they knowledgeable? We’ve all seen that annoying guy who claims to know it all but can’t back it up. Test a potential provider’s knowledge and background. Does their representative and/or team have experience in the defense and security fields? What about their materials – do they straddle the fine line between in-depth and easy-to-understand, or do they go too far one way or the other? Can they explain how their technology works in a simple and thorough way?
  • Are they passionate? Trustworthiness, commitment, and knowledge are all extremely important qualities, but without a passionate outlook, a friendship risks falling flat. Is the provider you’re considering constantly learning and updating their knowledge on the CUAS field and all its innovations? Are they already doing their own research and development, or planning too soon, or do they purchase all their technology from third parties? A motivated airspace security provider will always be on the lookout for the newest threats and the latest solutions.

Anti-Drone Solutions Tailored to Your Needs

So, you’ve found an airspace security provider that seems to have all the qualities you’re looking for. Now it’s time to take a closer look at their equipment. While it’s extremely important to have a passionate and knowledgeable security team, without the right tools your airspace is still at high risk. Ask yourself the following questions when examining counter UAS technology:

Think Long Term

  • Can you scale it to your site needs? Is the technology offered modular? That is – can you easily add or subtract elements without having to replace the entire system?
  • Is it upgradable? Is the CUAS solution on offer a good investment over the long-term? Can the software and hardware be easily and regularly updated to keep up with new threats?
  • How durable is it? Is it going to last? And is it resistant to rain, snow, and extreme temperatures? This is especially important if the technology will be permanently installed outdoors.

Ease of Use

  • Is the technology intuitive and simple to use with minimal training? Does it feature a logical and easy interface?
  • Can the anti-drone solution be integrated into your existing security system? How about on-site installation and/or set-up? Drones are quick, your airspace security solution needs to be up and running fast.

Features

  • What is the solution’s base technology? Radar, Radiofrequency, Optic (Camera) or Sonic? How well do any of those particular technologies match the risk profile, topography and ambient pollution of your site? What are their advantages and weaknesses? Don’t hesitate to ask a potential provider to answer these questions.
  • Is the anti-drone solution reactive? How quickly can it detect a drone within its operating range? And what are its detection and false alarm rates – again, under average rather than ideal circumstances?
  • Does the CUAS technology give you the ability to detect the location of both the drone and pilot? Given restrictions on kinetic and non-kinetic drone neutralization in many jurisdictions, locating and arresting the UAV pilot is often the best way to quickly and permanently stop a drone threat.
  • Can the provider’s solution handle a multiple drone intrusion? Drone swarms are the next big security challenge in airspace security. Can the provider’s technology deal with multiple UAS without becoming saturated?
  • Is the technology low interference or passive? Local authorities can be extremely sensitive about “frequency pollution”. Is the provider’s technology low interference or even passive (only emitting a signal when in use)?

Costs

  • What about operating costs? How much does it cost to run the technology? Does it consume large amounts of electricity? Does it require a dedicated staff member to operate?
  • Does the CUAS solution hit the high quality/fair price sweet spot? While airspace security is an investment, it need not be excessively expensive. Does the provider offer a fair cost to quality ratio?

Many factors go into choosing the right airspace security provider. But with a little research and by asking the right questions, you’re sure to find the best provider and technologies to protect your sensitive site or event from rogue drone intrusions.

In the next installment, we’ll take a closer look at different anti-drone technologies.

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