Dji M300 Payload: Things You May Want to Know

Enhancing Public Safety and Emergency Communication from the Sky

Foxtech is proud to announce the official release of the M30P/M100P Aerial Loudspeaker Series, a new generation of intelligent voice broadcasting modules designed specifically for DJI industrial drones, including the M30, M300, and M350.

This series offers a powerful, flexible, and reliable voice communication solution for a wide range of aerial operations—from emergency response and disaster relief to public safety and urban crowd control.






Advanced Features for Critical Missions
Both M30P and M100P models integrate a comprehensive suite of broadcasting capabilities:



Live voice broadcasting



Recorded message playback



Text-to-speech (TTS)



Multi-format audio file support



Built-in alarm tones



4G voice transmission (M100P only)



These features allow drone operators to deliver clear, real-time information and instructions during time-sensitive operations, ensuring enhanced situational awareness and operational efficiency.




Strong Acoustic Performance
The M100P delivers up to 130dB of sound pressure, with an effective projection range of up to 500 meters. The M30P achieves 126dB, reaching up to 300 meters.

With high-fidelity audio output and mechanical pitch control (available in the M100P), users can ensure precise directional sound delivery across wide areas. This is particularly effective in noisy environments such as cities, highways, or construction zones.




Visual Signaling and Night Operations
In addition to its audio functions, the M30P is equipped with red and blue strobe warning lights, providing visual cues to support drone awareness during night missions, low-visibility operations, or crowd management scenarios.

This combination of audio-visual alert capability enhances safety and makes the system ideal for high-risk or densely populated environments.




Seamless Integration with DJI Drones
The M30P and M100P systems are designed for plug-and-play installation with DJI’s M30, M300, and M350 drones. Their intuitive interfaces and reliable performance make them easy to deploy with minimal training, even under urgent conditions.


Application Scenarios
Emergency Response
Broadcast evacuation instructions, coordinate search teams, or provide situational updates during natural disasters such as floods, wildfires, or earthquakes.

Public Safety & Law Enforcement
Support aerial patrols, issue dispersal warnings, or make announcements in high-traffic public spaces and sensitive urban areas.

Disaster Relief
Deliver humanitarian guidance and logistical instructions in hard-to-reach areas where ground access is limited.

Nighttime Search and Rescue
Use high-volume audio and flashing strobe lights to assist in locating lost individuals or alerting personnel during nighttime operations.




A New Standard for UAV-Based Communication
The M30P/M100P series marks a significant leap in UAV-based public communication technology. With robust functionality, wide-area audio coverage, and flexible deployment options, these systems provide a critical tool for modern drone operations across multiple sectors.

Foxtech remains committed to delivering professional-grade drone payloads and integrated solutions to empower users in real-world missions.


The M30P/M100P Aerial Loudspeaker Series is now available for order.For detailed specifications, pricing, or bulk purchase inquiries, please visit our product page or contact us directly.

As drones take on more critical roles in industrial and emergency operations, the demand for intelligent, reliable payload delivery systems continues to grow. Whether it’s deploying life-saving supplies or supporting infrastructure tasks, drone-based aerial delivery is transforming how we respond to challenges on the ground.
The RDD Series payload release systems are designed to meet this growing demand with powerful, multi-channel, and mission-ready solutions—fully compatible with DJI enterprise drones such as the M30, M300 RTK, M350 RTK, and FC30.
What Is the RDD Series?The RDD (Release and Drop Device) Series is a family of DJI Payload SDK-based drop systems tailored for drone-enabled delivery tasks. Each model in the series is engineered for a specific weight class and mission scenario, enabling operators to deploy materials precisely and safely from the air.
From lightweight emergency kits to heavy-duty equipment, the RDD Series supports a wide range of payloads with features such as real-time video feedback, modular design, and multi-point drop control.
RDD-2: Lightweight, Dual-Channel Dropper for DJI M30/M30TThe RDD-2 is a compact, dual-channel payload release module developed specifically for DJI M30 and M30T drones. With a max payload of 2kg per channel, it's well-suited for rapid response scenarios where size and speed matter.
Key Features:
Dual-channel release with up to 2kg per hook
Integrated with DJI Pilot2 via PSDK for real-time control
Compact slanted hook design for minimal drone impact
Manual release button for quick on-site operations
Reserved interface for warning light integration
Ideal for: Emergency kits, small-scale supply delivery, and light-duty utility tasks.

RDD-25: Four-Channel Multi-Payload Delivery for DJI M300/M350Built for DJI M300 and M350 RTK platforms, the RDD-25 expands aerial delivery capabilities with four independent release modules. Each channel can carry up to 2.5kg, for a total payload capacity of 10kg.
Key Features:
4 independent release channels
Sequential drop functionality for multi-point delivery
Max 2.5kg per module, 10kg total
Plug-and-play compatibility via DJI PSDK
Ideal for: Power line deployment, fire extinguisher drops, emergency supply delivery, and search & rescue.

RDD-25A: Visualized Precision Drops with Real-Time VideoThe RDD-25A adds a visual dimension to the RDD-25 by including a video transmission unit that connects to the drone’s gimbal interface. This enables real-time downward video feed to the operator, allowing visual confirmation of drop zones before release.
Key Features:
Real-time FPV video transmission via DJI gimbal port
Drop module connects via Type-C to the video unit
4-channel release with sequential or simultaneous control
Compatible with DJI M300/M350 drones
Ideal for: Tasks requiring visual verification, such as medicine delivery, search coordination, or targeted relief drops.

RDD-120: High-Capacity Delivery for Heavy PayloadsDesigned for the DJI FC30 heavy-lift drone, the RDD-120 is a powerful four-channel system built to carry up to 30kg per module—totaling 120kg. This model is ideal for industrial-scale deliveries where weight and stability are crucial.
Key Features:
30kg payload per channel, 120kg total
Four-channel sequential release to maintain flight balance
Rugged construction for high-load performance
Designed specifically for the FC30 platform
Ideal for: Fire suppressant delivery, large-scale material transport, power grid equipment drops, and remote infrastructure tasks.

Compatibility & Safety ConsiderationsWhile each RDD module supports high payload capacities, users must always ensure the drone’s overall weight limit is not exceeded. The listed capacities refer to the maximum for each release module—not the aircraft’s own maximum load. Always check compatibility and weight limits for your specific DJI platform before deployment.

Enabling the Future of Aerial DeliveryThe RDD Series unlocks powerful new capabilities for DJI enterprise drones, transforming them into versatile aerial delivery tools across public safety, energy, and logistics sectors. With modular designs, seamless software integration, and precision control, the RDD-2, RDD-25, RDD-25A, and RDD-120 provide drone operators with scalable solutions for complex missions.
Whether you're delivering life-saving supplies or deploying utility equipment in hard-to-reach areas, the RDD Series delivers performance you can count on—every time.

OverviewThe P3 (T50) Flexible Tethered Cleaning System is a cutting-edge aerial cleaning solution engineered for high-altitude operations. Designed to integrate seamlessly with the DJI Matrice 400 (M400) drone platform, this system brings unmatched cleaning efficiency, precision, and safety to enterprise-level drone applications.

Why the DJI Matrice 400 Is the Ideal Flight Platform for P3 (T50)Enterprise-level endurance and payload supportThe DJI Matrice 400 delivers up to 59 minutes of flight time and can carry a maximum payload of 6 kg. This makes it more than capable of supporting the P3 (T50) system and its tethered water supply without compromising performance.
Flexible multi-payload capabilityIt supports up to seven simultaneous payloads via a combination of downward gimbal connectors and E-Port V2 interfaces. This versatility allows you to mount the P3 (T50) alongside other sensors or tools as needed.
Advanced sensing and safetyEquipped with a rotating LiDAR, six-direction mmWave radar, and low-light fisheye vision sensors, the M400 offers robust obstacle detection—even in low visibility or complex environments. This enhances operational safety when deploying the P3 (T50) in proximity to buildings, towers, or other structures.
Long-range, reliable data linkThe O4 Enterprise Enhanced Video Transmission system provides up to 40 km of secure, high-bandwidth communication. It also supports airborne relay, making it ideal for extended-range or line-of-sight-challenged cleaning missions.
Robust and weather-resistant designWith an IP55 protection rating and operational temperature range of –20°C to 50°C, the M400 is built for demanding field conditions.
P3 (T50) on the M400: A Perfect SynergyBy mounting the P3 (T50) on the DJI M400, you get:
1. High-Efficiency Cleaning PerformanceThe P3 (T50) delivers 20 MPa spray pressure, a reach of up to 45 meters, and a cleaning coverage of 800 ㎡/h, all supported by the M400’s robust 6 kg payload capacity and endurance.
2. Safe, Remote High-Altitude OperationWith tethered water supply and remote deployment, the system eliminates the need for manual, high-altitude cleaning—dramatically improving worker safety. Obstacle sensing on the M400 further secures these operations.
3. Versatile, Flexible Cleaning ReachThe P3 (T50) features a flexible, angle-adjustable cleaning wand (from +10° to –50°) and optionally includes a Streak-Free Water Treatment System to prevent residue. Combined with the M400’s stable flight and multi-payload configuration, it handles complex scenarios like insulator strings, solar panel arrays, and tower facades with ease.
4. Rapid DeploymentCompact and lightweight, the P3 (T50) enables a 1-minute setup and integrates with M400 flight controls for quick, one-person operation—a great match for M400’s automated flight modes and terrain-following capabilities.
5. Continuous High-Altitude CleaningContinuous tethered water supply enables long-duration cleaning missions, supported by the M400’s endurance and advanced transmission system for long-range, uninterrupted control.

Example Use CasesThe P3 (T50) on the DJI M400 is perfectly suited for a wide range of industrial and infrastructure cleaning scenarios. For high-rise building maintenance, it allows operators to clean facades quickly and safely, eliminating the need for scaffolding or manual rope access. When deployed for solar farms, the system efficiently removes dust and residue from panels, ensuring maximum energy output while covering large areas with ease. In the power sector, the P3 (T50) excels at washing insulator strings and transmission towers, targeting hard-to-reach angles with its flexible wand while maintaining safe distances. For remote or challenging environments, the long-range transmission of the M400 combined with the continuous tethered water supply enables extended missions, making the solution highly effective for infrastructure maintenance where height, accessibility, and safety are critical.

ConclusionPairing the P3 (T50) Flexible Tethered Cleaning System with the DJI Matrice 400 creates a safer, more efficient, and highly capable aerial cleaning solution. The M400 brings endurance, payload flexibility, safety features, and connectivity—while the P3 (T50) brings unmatched cleaning power, precision, and adaptability. Together, they form a high-altitude cleaning platform that is easy to deploy, versatile across multiple scenarios, and engineered for the most demanding operational environments.