China Dongguan Leenz Electronics Co., Ltd Company News

【 Scene Entry: The Double-Edged Sword of Drones】 When the drones, with their dazzling light shows, illuminate the night sky and precisely deliver relief supplies to the isolated islands, we are amazed by the boundless possibilities brought by technology. However, on the other hand, the "unauthorized flight", "random flight" and malicious interference of drones are like the sword of Damocles hanging over our heads: Privacy infringement: Drones can easily transform into "air spies" to spy on corporate secrets, military restricted areas and personal lives. Public safety threats: In sensitive areas such as airports and large-scale events, unauthorized drones may cause catastrophic consequences such as collisions and panic among people. Information interference and hijacking: Out-of-control or malicious signals can interfere with the normal communication of drones and even lead to their hijacking, turning them from tools into weapons. Traditional response methods, such as signal jamming guns, often have single means, limited coverage, and are prone to harming innocent communications in complex environments, treating the symptoms rather than the root cause. 【The solution: From "Passive Defense" to "Active Control"】 The key to dealing with the threat of drones lies in absolute control over their communication links. What you need is not a crude "blocking", but a more powerful, precise and intelligent "connection" and "management". We bring you the ultimate solution 【Product Debut: Technical Core, Advantages Fully Displayed】 Directional + omnidirectional multi-band combined MIMO antenna array This is a revolutionary product specially designed for high-end unmanned aerial vehicle communication, measurement and control, and countermeasure systems. With its outstanding performance, it builds an impregnable air signal defense line for you. 360° seamless coverage: A 6-sided high-gain (7dbi) 2.4G antenna circular array forms a powerful "omnidirectional signal fortress", completely eliminating communication blind spots in the horizontal direction and ensuring that the target unmanned aerial vehicle is always within the monitoring and connection range. Top-mounted sky dome, vertical enhancement: The unique 2.4G 7dbi directional antenna at the top, like a "sky eye", achieves precise enhanced coverage of the airspace, effectively addressing the signal challenges when drones fly or hover at high altitudes. Multi-band intelligent coordination: Integrated 2.4G and 5.8G omnidirectional antennas (gain 3dbi), dual-band concurrent operation, intelligent switching. Not only can it be compatible with the vast majority of communication frequency bands for drones on the market, but it can also effectively avoid channel congestion and ensure the ultimate stability and ultra-low latency of instruction transmission. Performance multiplication: By adopting multi-input multi-output technology, the channel capacity and data transmission rate are significantly enhanced. This means smoother high-definition image transmission, faster control response, and stronger anti-interference ability, allowing you to handle complex electromagnetic environments with ease. From "driving away" to "managing" : It can not only effectively detect and drive away "unauthorized" drones, but also achieve stable and reliable remote takeover and guidance of authorized drones, turning threats into tools. All-round impeccable: Whether it's horizontal hovering or vertical takeoff and landing, no drone from any Angle can escape your "sharp eyes" and "control". Future-oriented compatibility: The multi-band design enables it to adapt to the constantly evolving drone communication technology, ensuring the long-term effectiveness of your investment.

An omnidirectional outdoor base station gateway fiberglass antenna is a high-performance communication component designed specifically for outdoor base stations and gateway devices. With fiberglass as its core material, it combines omnidirectional signal radiation capabilities with exceptional environmental adaptability. Serving as a critical signal bridge between base stations and terminal devices (such as mobile phones, routers, and IoT devices), it is widely used in rural communication coverage, outdoor park networking, signal enhancement in remote areas, and other scenarios, making it a core part of outdoor wireless communication systems. Working Principle: The Core Logic of Unobstructed Signal Transmission Its working principle is based on the omnidirectional radiation and reception characteristics of electromagnetic signals. The core radiating element wrapped in fiberglass can convert electrical signals output by the base station gateway into electromagnetic waves, which diffuse evenly in a 360° direction to cover a certain radius. Simultaneously, it captures signals from terminal devices in all directions, converts them back into electrical signals, and transmits them to the gateway, enabling two-way communication. The fiberglass housing not only provides insulation but also focuses signal energy to improve transmission efficiency. Combined with impedance matching technology, it reduces signal attenuation and ensures stable long-distance communication. Core Advantages: A Benchmark for Outdoor Communication Performance Superior Durability: Fiberglass material resists high temperatures (-40℃ to +85℃), corrosion, and UV radiation, withstanding harsh outdoor conditions like heavy rain, strong winds, and sandstorms. Its service life exceeds 10 years, far longer than traditional metal antennas. 2、360° Unobstructed Coverage: The omnidirectional radiation design eliminates "dead zones" common with directional antennas, covering   3、surrounding areas without angle adjustments. It is particularly suitable for communication needs in open spaces or complex terrains. 4、Low Loss & High Gain: Fiberglass’ low dielectric constant minimizes signal transmission loss. Equipped with a high-gain design (usually 8- 12dBi), it enhances signal penetration, expands coverage range, and improves connection stability in weak signal areas. 5、Easy Installation & Strong Compatibility: Lightweight (only 300-500g) with waterproof connectors, it can be directly fixed to base station brackets, roofs, or outdoor poles. Compatible with multi-band gateway devices (4G/5G, Wi-Fi, IoT), it adapts to various outdoor communication scenarios.  

1. Vehicle Navigation and Monitoring In-vehicle satellite positioning antennas are core components of navigation systems. They receive satellite signals for real-time positioning, providing drivers with services such as route planning and road condition alerts. (Common in-car navigation systems and mobile navigation apps rely on these antennas.) In industries such as freight, taxis, and ride-hailing, real-time data from positioning antennas can be used to implement functions such as vehicle dispatching, trajectory tracking, and anti-theft monitoring, improving operational efficiency and safety. 2. Intelligent Transportation Systems (ITS) Applied to autonomous vehicles, high-precision satellite positioning antennas (combined with technologies such as RTK) provide centimeter-level positioning information, assisting vehicles in sensing their surroundings, planning routes, and ensuring the accuracy of autonomous driving. In highway ETC systems and traffic flow monitoring equipment, positioning antennas help identify vehicle location and driving status, enabling intelligent toll collection and congestion warnings. 3. Navigation and Aviation Ship navigation systems receive signals from satellite positioning antennas to determine a vessel's latitude, longitude, heading, and speed, preventing loss of direction or collisions. These devices are essential for ocean voyages. In general aviation (such as small aircraft and drones), positioning antennas provide real-time location information for aircraft to ensure flight path planning and safety monitoring.

The China Outdoor Waterproof Directional Antenna, also known as the China Outdoor Waterproof Directional Antenna, is a waterproof antenna manufactured by a Chinese company. It features directional signal transmission and is waterproof. The following is a brief introduction: 1. Performance Features: Waterproof and Dustproof: Typically, they have a high waterproof and dustproof rating, such as IP67 or IP65. This allows them to operate normally in harsh weather conditions like rain and snow, effectively preventing moisture and dust from entering the antenna and affecting its performance. Directional Transmission: Unlike omnidirectional antennas, directional antennas focus signals in a specific direction for transmission or reception, offering strong directionality. They achieve higher gain in a specific direction, improving signal transmission efficiency and coverage, making them suitable for applications requiring signal transmission to a specific area or reception from a specific direction. Strong Anti-Interference Capability: Some products offer excellent anti-interference capabilities. Through optimized design and material selection, they effectively reduce the impact of external electromagnetic interference on the signal, ensuring stable and reliable signal transmission. Wideband Coverage: It covers multiple frequency bands, including the common 4G and 5G bands, as well as Wi-Fi bands like 2.4G and 5.8G, meeting the needs of different communication systems. 2. Application Scenarios: Communication Base Stations: Used to enhance base station signal coverage in specific directions, expand communication range, and improve signal strength. This is particularly important in remote areas or areas with concentrated signal demand, effectively improving network service quality. Wireless Surveillance: In outdoor surveillance systems, it can transmit surveillance camera signals in a targeted manner to the monitoring center, reducing signal attenuation and interference, ensuring clear and stable surveillance footage. Intelligent Transportation: In vehicle-to-vehicle communication systems, it can facilitate directional communication between vehicles and roadside infrastructure (RSUs) or other vehicles (V2V), enabling intelligent navigation and traffic information acquisition. It can also be used for signal transmission in locations such as highway toll booths and smart parking lots. Industrial Automation: In outdoor industrial scenarios such as factories and mines, it is used to connect remote devices, enabling directional data transmission between devices and ensuring the stable operation of industrial automation systems.

What is an Outdoor Waterproof Omnidirectional Antenna?   An Outdoor Waterproof Omnidirectional Antenna is a waterproof antenna designed specifically for outdoor use. It can radiate or receive signals in a 360° horizontal direction. Below is a brief introduction:   Structural Features: It typically features a special waterproof housing, typically made of materials with IP65 or IP67 dust and water resistance ratings. For example, Shanghai Zengxin's waterproof LTE omnidirectional terminal antenna includes a housing protection mechanism, antenna assembly, and mounting mechanism. The housing protection mechanism effectively prevents damage to the antenna due to water penetration. Performance Advantages: It is omnidirectional, radiating or receiving signals evenly in the horizontal direction, eliminating the need for precise alignment with the signal source, making it easy to install and use. It also offers excellent resistance to harsh environments. Besides being waterproof, it is also dustproof and UV-resistant, and can operate in extreme temperatures ranging from -30°C to 65°C. Some antennas also feature high gain and a wide beamwidth, effectively improving signal transmission distance and coverage.   Application Scenarios: Widely used in outdoor settings such as plazas, parks, stations, and stadiums, it provides high-quality wireless coverage. It also plays an important role in emergency rescue, outdoor adventures, and transportation, ensuring wireless signal transmission in adverse weather conditions and the efficient operation of related equipment.

We have seen firsthand the capabilities of bomb-delivery drones. Once targeted by these “death drones”, escaping becomes a difficult task. However, with the advent of anti-drone guns, the threat they pose can be effectively neutralized. The most common type is the drone signal jammer gun, which is capable of emitting a variety of jamming signals, including the widely used 433MHz, 2.4GHz and 5.8GHz frequencies. Some models are even equipped with devices that interfere with GPS signals, which not only cuts off the control of the drone, but also prevents it from using GPS to automatically return home. Our company has cooperated with anti-drone companies to develop a series of anti-drone antennas to provide comprehensive solutions to deal with the increasingly serious drone threats. These counter-drone antennas are designed to detect and eliminate unauthorized drone activity in sensitive areas, providing reliable defense against potential security breaches. With advanced technology and precision engineering, our anti-drone antennas can effectively interfere with the communication and navigation systems of drones, ensuring that these drones are unable to perform their intended missions. Whether protecting critical infrastructure, public events or private property, our counter-drone antennas provide active and powerful defense against the growing proliferation of drones in unauthorized areas. Additionally, our partnerships with leading counter-drone companies ensure our antennas are at the forefront of innovation, constantly evolving to address new drone technologies and tactics. By staying ahead of the curve, we can continue to provide our customers with the most effective and reliable counter-drone solutions. With our counter-drone antennas, you can rest assured that the threat of “death drones” is effectively mitigated, allowing you to operate in a safe and protected environment.  

Generally speaking, a good quality outdoor waterproof omnidirectional antenna can have a service life of about 5-10 years under normal use conditions. However, the specific service life will be affected by the following factors:   Installation environment: If the antenna is installed in a harsh environment, such as high temperature, windy sand, high corrosion, etc., its service life will be relatively short. Material quality: The quality of the materials and manufacturing process used in the antenna will directly affect its ability to resist wind and rain corrosion, thereby affecting its service life. Maintenance: The antenna needs to be inspected and maintained regularly, including cleaning the antenna surface, checking the grounding wire, and replacing aging components to ensure its long-term stable operation. General recommendations: At least 1-2 regular inspections and cleaning and maintenance per year In severe harsh environments, the maintenance cycle can be appropriately shortened Replace aging and damaged antenna components in a timely manner Regularly check the integrity of the lightning protection grounding system Only after good maintenance can the outdoor waterproof omnidirectional antenna maximize its service life and provide users with reliable wireless network services.

Specific application scenarios and installation requirements of outdoor waterproof omnidirectional antennas.   1. Application scenarios:   Wireless network coverage in rural areas: This antenna can be deployed in remote rural areas to provide local residents with stable broadband network connections. Its omnidirectional radiation characteristics are very suitable for covering a wide range of rural areas. Urban outdoor wireless network: In outdoor public areas such as urban parks and squares, this antenna can provide people with convenient free WiFi access. Intelligent transportation system: Installing this antenna on highways and main roads can provide continuous network coverage for vehicle-mounted equipment and provide infrastructure for intelligent transportation applications. Industrial scenarios such as mines and ports: This durable waterproof model of antenna is very suitable for use in harsh industrial environments to ensure stable wireless communication.   2. Installation requirements:   Installation location: The antenna should be installed in a position as high and open as possible to avoid interference from obstructions. Installation height: Generally not less than 5 meters to ensure coverage and signal quality. Lightning protection measures: Outdoor antennas are prone to lightning strikes and require reliable lightning protection and grounding protection. Wind and rain protection: Use IP65 or above protection level to withstand all kinds of severe weather. Power supply mode: Mains power supply or solar power supply can be used to ensure continuous and stable operation of the equipment.