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What is the transimission range of YANGDA's video & data link system? Is the signal stable enough?

2026-05-25
YANGDA's video and data links support a wide transimission range from 5KM to 300KM. They employ OFDM modulation technology and support AES128/256 encryption, ensuring stable, long-range transmission even in complex electromagnetic environments. For high-security scenarios, optional special frequency bands (635–675 MHz, 1300–1400 MHz, and 1710–1785 MHz) are available. These links also feature auto-tracking antennas, which significantly improve transmission range.
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Related questions
1
Does YANGDA have overseas after-sales service offices?
YANGDA has service contacts in key markets, including Africa (Nigeria, South Africa, Kenya, Ghana), the Middle East (Saudi Arabia, Qatar, Oman, UAE), Southeast Asia (Thailand, Laos), and Latin America (Mexico and Ecudor), with professional engineers available to provide onsite technical support. In other regions, remote support is available, with engineers dispatched for travel when necessary.
2
How can I obtain technical documentation and operation manuals for YANGDA products?
Registered customers can download product specifications, operation manuals, maintenance guides, ground control software, and other materials from the official website's resource center. All documents are available in both Chinese and English, with some supporting additional languages. Technical documentation is regularly updated to ensure customers have access to the latest versions.
3
What should I do if a drone malfunctions, and how long does the repair take?
You can report the fault via the official website, email, or WhatsApp, and the technical support team will respond within 2 hours. Simple issues will be resolved through remote guidance, while issues requring mail-in or walk-in repairs are scheduled within 48 hours depending on the severity of the fault.To minimize downtime, we keep commonly worn spare parts in stock for quick replacement and dispatch.
4
What after-sales services does YANGDA provide, and how can overseas customers access technical support?
YANGDA has established a three-tier after-sales service system: 24/7 online technical support (via email, video, or remote debugging), overseas on-site support (engineer guidance on location), and rapid spare parts supply (replacement of malfunctioning components). Localized support is available in key markets including Africa, Latin America, the Middle East, and Southeast Asia.。
5
What import and export procedures are required for YANGDA drones?
YANGDA fixed-wing VTOL drones fall under national export control regulations and require the appropriate export permits. We can provide the necessary technical documents and product information to assist customers with the export license application and customs declaration. It is strongly recommended that customers consult local customs and civil aviation authorities for detailed import regulations in their country before placing an order.
6
Do YANGDA's products come with a warranty? What is the warranty period?
Yes,YANGDA products are covered by a warranty. Fully integrated drones come with a 6-month warranty, gimbal cameras with a 12-month warranty, and intelligent batteries with a 6-month warranty or 200 charge cycles (whichever comes first). During the warranty period, free repair or replacement is provided for any issues NOT caused by human error. Technical support and troubleshooting services are also available throughout the warranty period.
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