CZI TH4 V2 Drop Kit

The TH4 dropping system is a versatile payload deployment accessory for DJI M210 V2 and M300 RTK drones, offering up to 88.18 lbs load capacity for diverse operations like emergency response and payload delivery. With DJI SkyPort V2.0 integration, it ensures seamless operation, enhancing drones' capabilities for various mission-critical applications.
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The TH4 dropping system is a state-of-the-art payload deployment accessory designed for integration with DJI's M210 V2 and M300 RTK drones. This compact yet powerful system is engineered to facilitate a wide range of unmanned aerial system (UAS) operations, including emergency response, search and rescue, payload delivery, and fire extinguishing tasks. With its lightweight design and significant load-bearing capacity, the TH4 enhances the operational flexibility and capability of DJI drones.

Key Highlights

  • High Load Capacity: The system supports an ultra-high load of up to 88.18 lbs (40kg) for distributing one to four individual payloads, making it ideal for a variety of mission-critical applications.
  • DJI SkyPort V2.0 Interface: Designed for easy mounting on the DJI M210 V2 and M300 RTK drones through the DJI SkyPort V2.0 interface, ensuring seamless integration and operation.
  • Versatile Use Cases: Suitable for emergency operations, search and rescue missions, payload delivery, and fire extinguishing abilities, among other uses.
  • UAS Load Compatibility: While the maximum load capacity is 44 lbs (20kg), the maximum load for a single throw hook is 22 lbs (10kg), adaptable according to the UAS' capabilities.

Key Specifications

  • Dimensions: Maximum height and diameter are both 3.07 inches (78mm), designed to be compact and efficient.
  • Weight: The system has a dead weight of 11.3 ounces (320g ± 5g), minimizing the impact on the drone's flight performance.
  • Operating Temperature Range: -4°F to 104°F (-20°C to 40°C), allowing for deployment in a wide range of environmental conditions.
  • Control Interface: Utilizes the DJI SkyPort for connectivity and DJI PSDK for control, offering compatibility with DJI PSDK link for controllable distances.


The TH4 dropping system represents a significant advancement in drone payload deployment technology. Its robust design, coupled with the ability to carry substantial weight, positions it as a critical tool for a broad spectrum of UAS operations. By leveraging the DJI SkyPort V2.0 interface for easy integration with DJI M210 V2 and M300 RTK drones, the TH4 system is not only versatile but also user-friendly. Whether for delivering supplies in remote areas, aiding in firefighting efforts, or executing precise search and rescue missions, the TH4 dropping system enhances the operational capabilities of drones, making it an indispensable addition to any professional drone operation.

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