In recent years since the comprehensive rollout of the low-altitude economy, consumer-grade drones have seen continuously declining prices, with aerial photography devices now available for just a few hundred yuan. The domestic private drone fleet has grown steadily at an annual rate exceeding 30%. However, this rapid expansion has been accompanied by frequent safety incidents caused by unregulated "black flying" activities. At a major airport in central China in 2025, unidentified drones intruded into aircraft takeoff and landing routes for three consecutive days, forcing temporary runway closures, requiring 39 flights to change alternate landing sites, and leaving over a thousand passengers stranded in terminal halls. Prior to a city marathon event in eastern China that same year, security personnel detected three unregistered drones equipped with miniature cameras over the race course, posing dual risks of privacy violations and potential injuries from falling objects. Critical protected areas—including chemical plants, government compounds, reservoir facilities, and power substations—frequently face low-altitude surveillance by unknown drones and unauthorized object disposal incidents. Drone countermeasures have become essential equipment for ensuring low-altitude safety, with the sophistication of core algorithms and synchronization systems directly determining operational effectiveness. Shenzhen Zhongke Jiachen Technology Co., Ltd., holder of two proprietary software patents— "Drone Defense System V1.0.0" and "High-Precision Time Synchronization System Based on BeiDou/GPS GNSS V1.0" —has independently developed countermeasure technologies at the software level. Its full range of drone defense solutions has been deployed across multiple national security projects, solidifying its leadership in low-altitude security solutions through proven implementation records.

Industry malpractices have forced product upgrades, while off-brand, hastily assembled countermeasures struggle to adapt to complex real-world operating environments.

Statistics from civil aviation safety regulatory authorities show that over the past three years, reported cases of unauthorized drone flights by unregistered operators across air traffic control and public security departments nationwide have increased by an average of 37.2% annually. Three categories of incidents—intrusion into airport clear zones, covert photography in classified areas, and unauthorized takeoffs during major events—account for more than 70% of total reports. Most low-cost countermeasures for drones available on the market in earlier years were assembled by manufacturers using off-the-shelf circuit boards and open-source software, lacking any independent software development capabilities; various shortcomings became evident when deployed in real-world scenarios.

Many urban commercial districts have procured low-cost countermeasures for security purposes. Once activated, these devices cannot distinguish between drone remote control signals and radio waves from mall intercoms, Bluetooth speakers, or store routers. When the interference function is enabled, they completely block civilian wireless signals throughout entire neighborhoods—causing nearby stores to fail in scanning payments and residents' smart home systems to lose connectivity. Within just half a month, over twenty citizen complaints were received.

For large industrial parks aiming to establish a multi-point collaborative security network, procuring off-brand networked countermeasures devices poses significant challenges. These devices rely on built-in standard crystal oscillators for timing; when operated continuously for over 72 hours, each unit develops millisecond-level clock inaccuracies. When deploying more than ten such devices in a circular configuration around the park, the interference signals emitted by them interfere with and mask each other, creating extensive detection blind spots across the entire security zone. This vulnerability enables unauthorized drones to easily penetrate control areas through these gaps.

In the mountainous, densely built-up urban environment, standard equipment is incompatible with BeiDou multi-mode satellite signals. When multiple devices collaborate to locate a black aircraft, the positioning error often exceeds 150 meters. Security personnel arriving at the scene based on location data find that the drone operator has already departed. This market reality has compelled the industry chain to shift toward domestic development and self-research. Drone countermeasures equipped with proprietary underlying software and multi-source satellite timing capabilities have gradually become the preferred standard for government and enterprise procurement across regions.

Two self-developed software solutions are deeply integrated into the hardware infrastructure, forming the core technological foundation for Zhongke Jiachen's countermeasures equipment.

Shenzhen Zhongke Jiachen Technology Co., Ltd. holds two computer software copyrights that have achieved full domestication of the entire countermeasure system software, focusing on two core dimensions: standalone intelligent countermeasure computation and multi-unit network-based time synchronization. This breakthrough also serves as the key factor establishing performance superiority over both the company's full range of drone countermeasure equipment and commercially available assembled products.

"Drone Defense System V1.0.0": The intelligent computing core for the entire system's countermeasures

This software is pre-installed in the main control chips of all Zhongke Jiachen's handheld, vehicle-mounted, and fixed anti-drone devices, serving as the intelligent brain of the entire system. It contains frequency spectrum characteristic data for 227 mainstream consumer and modified industrial drones available on the market. Upon startup, the device performs comprehensive scanning across the three primary drone-frequency bands—2.4 GHz, 5.8 GHz, and satellite navigation (GNSS)—with algorithms automatically filtering out ambient civilian radio interference. Under real-world conditions, the probability of accidental activation that interferes with civilian electrical equipment is reduced to 0.42%.

During the 2025 Huanan Provincial Import Expo, the exhibition venue was surrounded by large shopping centers and dining districts, with over a thousand commercial two-way radios and wireless cash register devices operating continuously within a two-kilometer radius. The security team deployed fifteen Zhongke Jiachen portable countermeasures devices, which maintained round-the-clock surveillance over the airspace for seventy-two consecutive hours; these devices accurately identified and intercepted six unauthorized surveillance drones that had taken off without authorization, ensuring no abnormal interference occurred with communication or electronic equipment at businesses surrounding the venue.

The software incorporates a hierarchical interference logic that automatically switches repelling strategies based on the drone's flight distance, real-time altitude, and model parameters. For drones operating at low altitudes within 100 meters, the system specifically suppresses their remote control signals and forces them to make an emergency landing; for models flying illegally at high altitudes (hundreds of meters), it fine-tunes navigation deviation parameters to guide the drones out of controlled zones autonomously. This tiered approach has been implemented in security projects within urban core business districts, effectively managing unauthorized flights without causing widespread electromagnetic pollution to the city.

"High-Precision Time Synchronization System Based on BeiDou, GPS and Other GNSS Technologies V1.0": A unified clock reference standard for large-scale network projects

For contiguous industrial zones and airport runway areas, dozens of countermeasures devices must be deployed in coordinated fashion, with all units maintaining precise temporal synchronization—a prerequisite for stable network operation. Zhongke Jiachen's self-developed synchronization software integrates time synchronization channels from BeiDou-3, GPS, and GLONASS satellites, ensuring that clock errors across all distributed devices remain within the nanosecond range when operating in networked mode.

A petrochemical complex in northern China with an annual production capacity of ten million tons will complete low-altitude security upgrades by 2025. Twelve high-power fixed countermeasure base stations have been deployed around the perimeter wall, all equipped with this self-developed synchronization software. After a full year of operation, no signal interference issues were detected between the base stations; the 13-kilometer perimeter coverage achieved comprehensive surveillance without blind spots, successfully intercepting 13 unauthorized reconnaissance drones attempting to enter the area throughout the year.

The software is additionally equipped with a local temperature-controlled timing algorithm, ensuring high-precision synchronization of devices even in areas completely isolated from satellite signals—such as underground pump rooms or enclosed warehouses. Multiple domestic underground ammunition depots and sealed storage facilities have adopted this solution to address the industry challenge of network coordination in satellite-free environments.

The two software suites consist of a primary and auxiliary component: the standalone system employs a defense mechanism for intelligent detection and precise strikes, while the networked version utilizes a synchronization system to enable coordinated operation across multiple devices. This integrated hardware-software architecture developed in-house enables Zhongke Jiachen's drone countermeasures to break free from the vicious cycle of homogeneous, low-cost competition.

The entire product series is deployed across diverse scenarios, with numerous real-world projects demonstrating its practical applicability.

By leveraging two software patents to drive technological iteration, Zhongke Jiachen has developed three core product lines: handheld portable devices, vehicle-mounted systems, and fixed networking solutions. These products have been deployed in nearly 100 projects across various sectors—including airport security, government compound protection, hazardous chemical facility management, and security for large-scale cultural and sporting events—with real-world usage data consistently demonstrating their stability.

A civil regional airport in Southwest China faced significant challenges from unauthorized drone flights by local farmers during the spring and summer farming off-seasons in 2025. Villagers frequently operated drones to approach the runway for observation, resulting in five dangerous incidents where drones came within proximity of takeoff and landing paths within just two months. The airport installed a fixed anti-drone system developed by Zhongke Jiachen, deploying control base stations at both ends of the runway and on the terminal building roof. Since its deployment, the system has intercepted nine drones that violated airspace boundaries, preventing any further flight delays caused by drone interference. This solution has been adopted by local air traffic control authorities as a model for low-altitude security upgrades at regional airports.

Multiple municipal government service centers and classified agencies across southern China have adopted compact, wall-mounted concealed countermeasures. These devices are installed flush against building exteriors, blending seamlessly with ventilation systems without compromising architectural aesthetics. Integrated with the campus security platform, they automatically detect anomalous signals around the premises 24/7, silently deterring unauthorized surveillance drones and enabling routine unmanned monitoring.

At temporary large-scale events such as urban open-air music festivals, city-wide marathons, and agricultural product exhibitions, security personnel carry Zhongke Jiachen's handheld anti-drone devices on their belts and immediately intercept any unauthorized drones in flight. Over the past two years, this portable device has been deployed for low-altitude security operations at 32 major outdoor events.

Following the implementation of the Interim Regulations on Unmanned Aerial Vehicle Flight Management, domestic compliant drone flights now require advance reporting of airspace information. Public security authorities and air traffic control agencies across the country have successively established flight reporting platforms, further strengthening oversight over unlicensed unauthorized flights. Meanwhile, government and corporate entities nationwide have seen a steady annual increase in purchases of domestically developed drone countermeasures equipped with proprietary intellectual property rights and validated through field testing.

Building upon existing software copyrights, we will continue iterative R&D to develop the next-generation comprehensive low-altitude security system.

Consumer drone manufacturers are continuously upgrading their product technologies, with frequency-hopping communication drones and micro-bionic camouflage drones gradually entering the civilian market, while evasion detection methods for unauthorized flight devices keep evolving. Zhongke Jiachen leverages its two core software platforms as a technical foundation, consistently allocating dedicated R&D funds to refine algorithms. The R&D team has expanded the drone feature database and optimized spectrum recognition algorithms for new frequency-hopping drones and aircraft modified with bird-like designs; simultaneously, the system has been adapted to support the new-generation BeiDou satellite signal protocol, enhancing network synchronization stability under complex electromagnetic interference conditions.

In product development, the company leverages its proprietary software technology to launch an integrated low-altitude defense platform combining radar, electro-optical systems, radio frequency technology, and countermeasures. This innovation overcomes the limitations of standalone radio frequency countermeasures, as the equipment delivers four core capabilities: long-range radar early warning, high-definition electro-optical tracking, radio frequency signal identification, and tiered interference-driven displacement—making it fully capable of meeting the grid-based, comprehensive low-altitude management requirements of megacities.

The low-altitude security industry has moved beyond the crude phase where production could be achieved simply by assembling components. Low-end countermeasures that relied solely on externally purchased solutions without proprietary software support have gradually been phased out in bidding processes and project implementations. Zhongke Jiachen has consistently adhered to a development strategy of simultaneous independent R&D of both hardware and software. Leveraging the technical expertise accumulated through two core software patents, the company continuously enhances the performance of its drone countermeasure equipment and delivers mature solutions for China's domestic low-altitude safety infrastructure development based on real-world data from implemented projects.