UAVMODEL
AF-G30 portable automatic retraction and deployment system for tethered drones
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1 System Box
1.1 System Overview
The AF-G30 portable automatic retraction and deployment system for tethered drones primarily consists of a retraction and deployment winch, a tethering box with integrated tethering cables, which provides wired power, information transmission, and cable retraction for the tethered drone. The retraction and deployment winch primarily includes the system box, main frame, cable storage reel, and control circuitry.

1.2 Main Technical Parameters
| NO. | Items | Technical Parameters |
| 1 | System Box Dimensions | 472mm*377mm*453mm (L/W/H) |
| 2 | System Box with Handle | 500mm*410mm*470mm (L/W/H) |
| 3 | Control Panel Dimensions | 120m |
| 4 | Single Cable Length | 39.5kg±0.5kg |
| 5 | Weight | AC380V |
| 6 | External Power Supply | Min. 2m/s |
| 7 | Maximum Reeling Speed | Passive payout/active take-up |
| 8 | Operating Mode | DC800-1000V |
| 9 | Power Supply Output Voltage | 30kW |
| 10 | Maximum Power Supply Output Power | ≤20kW |
1.3 Instructions
1.3.1 Tether Box Panel Description:
1) Main Power Circuit Breaker: This is the main switch for all electrical functions, including the tether box control power supply and the tether power mains.
2) Main Power On/Off Button: This is the on/off button for the aircraft power supply. Pressing this button activates high-voltage DC power to the system, outputting 800-1000V DC high voltage, which supplies the drone's onboard power supply.
3) Main Power On/Off Indicator (integrated in the main power on/off ring): This indicates the tether box power status.
4) Torque Adjustment Knob: This controls the reeling torque.
6) Transparent Panel: This allows for a visual inspection of the winch cable length.
7) LCD Display:
Output Voltage: This displays the current DC voltage output of the ground power supply.
Output Current: This displays the current DC current output of the ground power supply.
Output Power: This displays the current output power of the ground power supply.
Input Voltage: This displays the current three-phase AC line voltage input of the ground power supply.
1.3.2 Wiring Instructions
1) Connect the included power cord from the mains or generator to the mooring box. Connect one end of the power cord directly to the mooring box's aviation socket, and the other end directly to the mains or generator.

1.3.2 Wiring Instructions
1) Connect the included power cord from the mains or generator to the mooring box. Connect one end of the power cord directly to the mooring box's aviation socket, and the other end directly to the mains or generator.
2) The high-voltage cable output of the tethering box uses an XT90 connector. Connect the cable to the drone's onboard power supply as shown below, and secure the load-bearing hook (the cable is pulled by the load-bearing hook).
1.3.3 Operation Instructions
1) During operation, first adjust the torque adjustment knob to the lowest setting, then close the circuit breaker. This will power on the system and illuminate the display on the display panel.
2) To power the drone, press the "Main Power On/Off" button. The tethered box cooling fan will begin operating, and the "Main Power Running" indicator will illuminate steadily. 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 highest setting. Use low or slightly increased torque (in windy conditions) to 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 and force it to hover. During landing, the cable will automatically reel in due to the tension.
4) After completing the mission, turn off the main power switch and disconnect 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. 5
1.3.4 Precautions
1) Before use, please level and position the equipment as much as possible, ensuring it is relatively balanced.
2) Operators must wear insulating gloves to prevent accidental electric shock.
3) When adjusting the speed control knob, turn it slowly from low to high, and do not suddenly increase it to maximum speed.
4) After retracting or extending the power cord, wrap it tightly and place it in the box. Do not drag it on the ground.
5) The mooring cable should not be dragged on the ground during use to prevent it from becoming frizzy. Be careful to avoid stones or other sharp objects on the ground to prevent cutting the cable.
FAQS
1. HOW DO I PLACE MY ORDER?
- Simply choose your style on the product page then click the “Add To Cart” button and follow the simple steps to complete your order.
- We’ll prepare your order and let you know when it's on its way!
2. HOW LONG WILL IT TAKE TO SHIP MY ORDER?
- Orders typically ship within 5 to 10 business days. For international orders, transit will take an additional 1 to 2 weeks.
3. MY TRACKING NUMBER ISN’T WORKING
- Tracking numbers can take 3-5 days to appear in the shipping carrier's system. Occasionally, the shipping carrier can lose an order. If the tracking number is still not working within a few days, please contact the shipping carrier.
4. I NEED HELP WITH A LATE ORDER
- Orders typically ship within 5 to 8 business days. For international orders, transit will take an additional 1 to 2 weeks.
- If your order has not arrived after 10 business days (domestic) and 20 business days (international), please contact our team, we are happy to assist.
- Products that need to be customized, production time is 10-25 days to ship, product details will be announced.
5. We accept the following secure payment methods:
Credit Cards (via Airwallex):
- Visa / Mastercard / American Express
- Secured by Airwallex, a global compliant payment platform
Third-Party Payments:
- PayPal (Personal & Business Accounts)
Bank Transfer:
- Corporate Account Transfer (SWIFT/IBAN Supported)
6. WHEN WILL MY CARD BE CHARGED?
Just after your order has been successfully placed.
7. HOW SECURE IS MY PERSONAL INFORMATION?
- We adhere to the highest industry standards to protect your personal information when you checkout and purchase.
- Your credit card information is encrypted during transmission using secure socket layer (SSL) technology, which is widely used on the Internet for processing payments. Your credit card information is only used to complete the requested transaction and is not subsequently stored.
7.Shopping safety guaranteed
We use PAYPAL to collect payment. For details, you can check the official website of PAYPAL to guarantee your shopping funds.
https://www.paypal.com/webapps...
8.What delivery?
We cooperate with DHL, FedEx, EMS shipping companies, you can choose freely when placing orders;
- DHL : https://www.dhl.com/
- FedEx :https://www.fedex.com/
- EMS:https://www.ems.com.cn/
- Logistics Tracking:https://www.uavmodel.com/apps/17TRACK
9.Refund issue?
Due to the buyer's own reasons, resulting in a refund. This website will not be responsible for the payment of processing fees including returning shipping cost.
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.
10、Answer: Customs clearance responsibility depends on trade terms (e.g., EXW, FOB, DDP). Generally:
- Our Default Terms: The customer (consignee) must handle clearance and pay all duties/taxes.
- Exceptions: If your order states "DDP (Delivered Duty Paid)", we will handle clearance.
11、Answer: Typically required documents:
- ID (e.g., passport) or business tax number;
- Commercial invoice (contact us after purchase);
- Tip: Contact your local customs in advance!
12、Answer: Duties are determined by your country’s customs based on product type, value, and regulations. To estimate costs:
- Check your local customs website;
- Use third-party tools (e.g., Avalara, DutyCalculator).
13、Answer:
- Delays: Contact customs directly to submit documents/payments. We can provide tracking numbers or invoices.
- 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).
15、Answer: The following products may be seized or rejected:
- Prohibited items in your country (e.g., cosmetics with banned ingredients);
- Products without required certifications (e.g., electronics lacking CE marks);
- Under-declared value (may raise tax evasion suspicions).
If you pay by credit card, your payment could be somehow denied at the checkout by our system in defense against possible credit card fraud. It's a good idea to call your credit card company or bank ahead of time to let them know about the purchase so that it doesn't get declined.
Under such circumstance, here are 3 solutions for you:
1. If you have a PayPal account, please try to pay by PayPal.
2. Please switch to your other credit/debit cards.
3. If you do not have a PayPal account, please select PayPal still at the checkout page & click the complete order button. Then you'll be directed to a page with access to both PayPal and Debit/Credit card payment (for the latter option, you don't have to register for PayPal).
As following steps:
Step 1. Select PayPal (even if you don't have a PayPal account)

Step 2. Click on "Pay with Debit or Credit Card".

Step 3. Fill in your credit card info and complete your order.

Bank transfer information:
Account Number: 63001185921
Holder Name: Xiamen Gaoteng Trading Co., Ltd.
Support Currency: AUD CAD CHF DKK EUR GBP HKD JPY NOK NZD SEK SGD USD ZAR
Bank Name: JPMorgan Chase Bank N.A. Hong Kong Branch
Bank Location Country: HONG KONG, CHINA
Bank Address: CHATER HOUSE, 8 CONNAUGHT ROAD, CENTRAL, HONG KONG
Account Type: Current
Swift/BIC: CHASHKHH (CHASHKHHXXX,If 11 characters are required)
Routing Number: 007863
Bank Code: 007
Branch Number: 863
Please include the following memo/message to receiver when making a payment: [Buyer Name][Invoice/Contract Number][Product]
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

What we really do?
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.
10+ Years of Experience
500+ Successful Cases
12+ Industry Awards
Our Vision
We are committed to the R&D of medium and large UAVs and specialized UAV technologies for complex environments. Our focus includes design, production, testing, sales, and service, providing comprehensive solutions based on our technology.
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