Tech IDIntroduction
The AGRAS T20 by SZ DJI TECHNOLOGY represents a significant leap in agricultural drone technology, designed to streamline and automate crop spraying and precision farming tasks. As a robust unmanned aerial vehicle (UAV), the T20 is engineered to deliver efficient spraying, superior payload capacity, and advanced flight control, making it a go-to solution for modern agriculture professionals.
A crucial milestone for any wireless-enabled device entering the US market is FCC certification. The AGRAS T20, under FCC ID SS3-T202008, has successfully met stringent requirements for radio frequency (RF) emissions and electromagnetic compatibility. This certification not only ensures the device’s legal eligibility for sale and operation in the United States but also provides assurance that it operates safely within established RF exposure limits.
In this article, we’ll provide a comprehensive breakdown of the AGRAS T20. You’ll find detailed coverage of its key features and technical specifications, an in-depth look at its wireless technologies and operating frequencies, expert analysis of its internal components, and insights into its regulatory journey. Whether you’re an engineer, drone enthusiast, or someone tracking cutting-edge agri-tech, this teardown and analysis will illuminate what sets the AGRAS T20 apart.
Key Features & Specifications
The AGRAS T20 by SZ DJI TECHNOLOGY is purpose-built for demanding agricultural applications, leveraging advanced engineering and wireless connectivity to deliver reliable, high-performance operation in the field. Below are its standout features and technical specifications, drawn from official documentation and hands-on analysis:
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High-Efficiency Crop Spraying:
Designed for precision agriculture, the T20 supports automated spraying routes, variable rate application, and uniform coverage, maximizing efficiency while minimizing waste. -
Robust Payload & Flight Performance:
Engineered to handle substantial payloads, the T20 can carry up to 20 liters of liquid, enabling extended operation and reduced downtime for refills. The drone’s propulsion system ensures stable flight even under heavy loads. -
Advanced Flight Controller:
The onboard flight controller integrates multiple sensors and real-time kinematic (RTK) positioning for centimeter-level accuracy. This enhances both navigation and obstacle avoidance, critical for safe, autonomous operation over varied terrain. -
Integrated Wireless Connectivity:
- Bluetooth:
The presence of Bluetooth (details unspecified in the FCC documentation) enables seamless wireless communication, likely used for device setup, diagnostics, or short-range control. -
Other Wireless Technologies:
The device operates across multiple RF bands, supporting robust data links for flight control and telemetry. -
Modular Powertrain System:
The T20 features modular electronic speed controllers (ESCs) and brushless motors, designed for high current handling and efficient power delivery. This modularity aids maintenance and ensures reliable operation in demanding environments. -
Sophisticated Power Management:
High-current MOSFETs, gate drivers, and capacitors are integrated for efficient power distribution and thermal management, essential for continuous operation in the field. -
Durable Construction:
The drone’s internal modules are housed in die-cast metal enclosures, providing both mechanical protection and electromagnetic interference (EMI) shielding. -
Safety & Compliance:
The AGRAS T20 is engineered to comply with FCC and Industry Canada regulations, ensuring it meets strict criteria for RF emissions and user safety.
Benefits and Practical Impact:
– Efficiency: The large payload and automated features accelerate agricultural workflows, reducing labor and resource consumption.
– Reliability: Robust wireless and power management systems ensure consistent performance, even in harsh conditions.
– Maintenance: Modular design simplifies repairs and component replacement, extending device longevity.
– Regulatory Confidence: FCC certification (ID: SS3-T202008) guarantees legal operation and adherence to US standards.
Operating Frequencies
The AGRAS T20 (FCC ID SS3-T202008) operates on multiple RF bands, as specified in its FCC filings. These frequencies underpin the drone’s wireless connectivity for control, telemetry, and potentially other communications:
| Frequency Range (GHz) | Output Power (mW) | FCC Rule Part |
|---|---|---|
| 2.4035–2.4775 | 873 | 15CCC1.12.4055 |
| 2.4765 | 798 | 15CCC1.25.7285 |
| 5.8445 | 356 | 15ECC2.2 |
| 5.8465 | 366 | 15ECC2.15.7305 |
These frequency bands and output power levels are carefully selected to balance range, data throughput, and regulatory compliance. The use of both 2.4 GHz and 5.8 GHz bands aligns with common wireless standards (such as Wi-Fi and Bluetooth), ensuring robust communication links while minimizing interference with other devices.
Technology Deep Dive
The AGRAS T20 leverages a combination of wireless technologies to enable reliable, real-time communication between the drone, its controller, and supporting ground equipment. Based on its FCC filings and equipment class, the device prominently utilizes unlicensed spectrum in the 2.4 GHz and 5.8 GHz bands—frequencies widely adopted for Wi-Fi and Bluetooth connectivity.
The inclusion of Bluetooth, as confirmed in the documentation, suggests the T20 supports short-range, low-latency interactions. This could facilitate device pairing, maintenance diagnostics, or local configuration without the need for physical connections. The higher-power 2.4 GHz links are likely dedicated to core flight control and telemetry, delivering robust, long-range connectivity essential for safe, autonomous operation in expansive agricultural settings. The 5.8 GHz bands, while offering slightly reduced range, provide higher throughput and lower susceptibility to congestion in environments crowded with 2.4 GHz devices.
The device’s output power levels, as detailed in the FCC documentation, indicate an emphasis on strong, interference-resistant communication. This is particularly important for drone applications, where signal reliability directly impacts operational safety and effectiveness. Overall, the T20’s wireless architecture is engineered to deliver dependable performance, efficient power consumption, and compliance with global RF standards.
In-Depth Internal Component Analysis / Teardown
A closer look at the AGRAS T20’s internal hardware reveals a meticulously engineered powertrain module, exemplifying DJI’s commitment to reliability and performance in demanding field environments. The following analysis is based on internal component photographs and detailed examination of key subsystems.
The image presents a densely populated PCB, characteristic of a high-current electronic speed controller (ESC) module integral to the drone’s propulsion system. At the heart of the board are several key integrated circuits—most notably, robust MOSFETs and associated gate drivers, which manage the rapid switching required for brushless DC motor control. A central microcontroller or logic IC orchestrates these operations, ensuring precise motor response to flight controller commands. The PCB itself is a multi-layer FR4 design, featuring wide copper pours and reinforced traces to accommodate large currents typical in agricultural drone applications. Multiple vias and a clear separation of power and signal paths indicate careful attention to signal integrity and thermal performance. The presence of large toroidal windings and high-capacity capacitors further highlights the focus on power smoothing and efficient energy delivery. Connectors along the board’s edge facilitate modular integration with the drone’s main systems, while robust die-cast metal housings—visible to the right—provide both mechanical protection and critical EMI shielding. The absence of antenna structures is consistent with the module’s core function as a power controller, not a wireless communication node. Overall, the build quality and component selection reflect a design philosophy prioritizing durability, thermal management, and serviceability—key for sustained agricultural use.
Regulatory Insights & FCC Filing
The AGRAS T20, under FCC ID SS3-T202008, has undergone comprehensive regulatory scrutiny to ensure safe and compliant operation in the United States. This certification, overseen by the FCC, confirms that the device adheres to strict electromagnetic interference (EMI) and radio frequency (RF) emission standards, a prerequisite for legal sale and deployment.
FCC filings for devices like the T20 typically encompass a wide range of supporting documents, including detailed test reports for RF exposure and electromagnetic compatibility, internal and external photographs, user manuals, schematics, and block diagrams. These materials collectively demonstrate how the product meets or exceeds regulatory requirements.
According to the user manual and internal documentation, the AGRAS T20 fully complies with both FCC and Industry Canada regulations on RF interference and radiation exposure. Proper installation and operation, as specified in the documentation, are essential for maintaining compliance and ensuring user safety. The device’s multi-band wireless operation is carefully engineered to fall within permissible power levels and spectrum allocations, minimizing the risk of interference with other electronic equipment.
By achieving FCC certification (ID: SS3-T202008), the AGRAS T20 assures users and industry stakeholders of its reliability, safety, and legal standing in the US market.
Potential Use Cases & Target Audience
The AGRAS T20’s advanced features and robust wireless capabilities make it a versatile tool for a range of demanding scenarios:
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Precision Agriculture:
Farmers and agronomists can employ the T20 for automated crop spraying, targeted fertilization, and pest control. Its high payload and precise flight control enable efficient coverage of large fields with minimal resource wastage. -
Agricultural Service Providers:
Companies offering contract spraying or crop management services can leverage the T20’s reliability and modularity to deliver consistent, high-quality results across diverse terrains and crop types. -
Research & Development:
Academic institutions and agri-tech startups can utilize the T20 as a testbed for smart farming innovations, integrating custom sensors or experimenting with new spraying algorithms, thanks to its modular powertrain and wireless connectivity.
The device’s combination of industrial-grade hardware, regulatory compliance, and wireless flexibility positions it to serve professionals seeking to modernize and optimize large-scale agricultural operations.
Conclusion
The AGRAS T20 by SZ DJI TECHNOLOGY, certified under FCC ID SS3-T202008, stands out as a cutting-edge solution in the agricultural drone market. Its blend of high-capacity payload, advanced power management, robust wireless architecture, and regulatory compliance underscores its suitability for demanding field applications. The device’s internal engineering reflects a commitment to durability and performance, while its FCC certification ensures peace of mind for operators and businesses alike. As agriculture continues to embrace automation and data-driven practices, the AGRAS T20 sets a high bar for reliability and innovation in unmanned aerial systems.
