UAVMODEL
AF-G15-100M Tethering System
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The AF-G15 tethering system primarily consists of a retractable winch, a tethering housing, integrated tethering cables. This system provides wired power, information transmission, and cable retraction for the tethered drone. The retractable winch includes the system housing, main frame, cable storage reel, and control circuitry.
| Items | Technical Parameters |
| System Box Dimensions | 472mm*377mm*453mm (Length, Width, and Height) |
| System Box with Handle | 500mm*410mm*470mm (Length, Width, and Height) |
| Control Panel Dimensions | 120m |
| Single Cable Length | 39.5kg±0.5kg |
| Weight | AC380V |
| External Power Supply | Minimum 2m/s |
| Maximum Reeling Speed | Passive Payout/Active Reel-In |
| Operating Mode | DC800-1000V |
| Power Supply Output Voltage | 15kW |
| Maximum Power Supply Output Power | ≤20kW |
1. Using the G15 tethering box requires 3-phase AC power. For normal operation, the onboard power supply must be installed on the drone.
2. Connect the tethering cable output to the drone's onboard power supply. Secure the hook to the load plate.


The tethering box's high-voltage cable output uses an XT90 connector. Connect the cable to the drone's onboard power supply as shown below and secure it.
The load-bearing hook (the cable bears the load)
1) During operation, first adjust the torque adjustment knob to the lowest setting, then close the circuit breaker to power on the system. The display on the panel will illuminate.
2) To power the drone, press the "Main Power On/Off" button. The tethered box cooling fan will begin operating, the "Main Power Running" indicator will illuminate, and the display will show the current output voltage, current, and power of the main power cable. When the system is carrying current, the indicator will flash, indicating that power is being supplied to the aircraft.
3) When the drone is ready for takeoff, adjust the torque knob to the lowest setting or Apply a slight torque (in windy conditions) and pull the cable through the drone. When reeling in the cable, adjust the torque knob from low to high, synchronizing with the drone's descent speed. Alternatively, adjust the torque to the appropriate level from the start to maintain a constant tension in the cable. The drone will release the cable, forcing it to hover. During landing, the cable will automatically reel in due to the tension.
4) After the mission is completed, turn off the main power switch and the high-voltage DC power before reeling in the remaining cables to prevent accidental electric shock. Finally, turn off the main power switch and unplug the power cord.
3. Start the drone and fly to an altitude of approximately 5 meters. Press the main power switch. Once the device is powered on, press the main power button to start the power supply. The warning light will illuminate green, and the drone will fly upward. Turn the reel knob to straighten the cable. If the drone needs to descend, turn off the cable power when it is approximately 5 meters above the ground. Return the winch to zero and the drone will land. Product Care
1. Storage and Transportation
1) Before transporting or storing, be sure to remove the tethered power supply air unit and drone battery from the drone and store them separately.
Do not store drone batteries near heat sources or flammable or explosive materials.
2) Keep the storage environment dry and avoid placing drone batteries in locations where they may leak or become damp.
3) If the tethered device is not used for an extended period of time, for storage exceeding three months, the recommended storage temperature is 22°C to 28°C.
Do not store the tethered device or drone battery in locations below -10°C or above 45°C.
4) If the drone battery is not used for more than 10 days, be sure to discharge it to its optimal storage capacity of 40% to 65% before storage. Do not store it in a fully discharged state for extended periods to prevent over-discharge and damage to the battery cells, making it unusable. It is recommended to recharge and discharge the battery every 2-3 months to maintain battery activity. 5) When transporting the tethered power supply box, ensure proper shock absorption. Otherwise, loosening of the internal screws is normal.
2. Maintenance
Inspect and maintain the tethered power supply every 50 takeoffs and landings or 20 hours of flight time to ensure proper operation.
B. Inspect the tethered power supply components for any significant impacts and ensure that all moving parts operate smoothly.
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Made-to-order products: Once a customer submits an order, the product will immediately go into production. Given its customized nature and the immediacy of production, such orders become binding upon confirmation and no refunds will be accepted.
All products that require production time are classified as customized products.
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- Exceptions: If your order states "DDP (Delivered Duty Paid)", we will handle clearance.
11、Answer: Typically required documents:
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- Tip: Contact your local customs in advance!
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- Use third-party tools (e.g., Avalara, DutyCalculator).
13、Answer:
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- Destruction: Losses due to unresponsive clearance will be borne by the customer.
- Exceptions: If caused by our documentation errors, contact us for support.
14、Answer: You will receive a commercial invoice and packing list via email. For other documents, contact sales@uavmodel.com (response within 24 hours).
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UAVMODEL
Ownership:
UAVMODEL CO., LTD.;
ZHANGZHOU YICHENG TECHNOLOGY CO., LTD.;
XIAMEN GAOTENG TECHNOLOGY CO., LTD.
Email:Sales@uavmodel.com
Phone: +8613015671328
313, No.25, Jingxia Road, Wenpu Industrial Park, Jiaomei Town, Taiwan Investment Zone,
Unit 2502-3, No.1110, Jimei North Road, Software Park, Torch High-tech Zone, Xiamen

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UAVMODEL is a leading UAV airframe manufacturer. Our UAV platforms serve professional needs in industrial inspection, gas and oil, precision agriculture, mapping, public safety, construction, forestry and defense.
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