From 600m Altitude Records to National Museum Honors: Dagong Technology's Tethered UAV Redefines Emergency Communication

Beijing, China — In a landmark validation of its indelible impact on modern network infrastructure, Beijing Dagong Technology Co., Ltd.’s tethered UAV emergency communication system has been honorably inducted into the "Network Development New Blueprint Achievement Exhibition" at the National Museum of China in 2025. This prestigious institutional recognition crowns a decade of relentless innovation, highlighted most recently by the company shattering industry records—achieving a staggering 600-meter operational ceiling on a 2,000-meter high-altitude plateau—to safeguard the critical "Golden Hour" in disaster rescue.
The induction into the National Museum represents more than corporate success; it is a definitive testament to a technology that has fundamentally rewritten disaster response protocols. The tethered UAV system, born from a strategic partnership with China Mobile, eradicates the traditional battery curse through its proprietary "fiber-optic + power composite cable." This "umbilical cord linking sky and earth" enables 24-hour—and up to 72-hour—uninterrupted hovering, effectively transforming the drone into an indomitable "aerial communication tower."

The system's life-saving pedigree was forged in the crucible of the 2017 Jiuzhaigou earthquake, where Dagong Technology deployed the world's first tethered UAV high-altitude base station, restoring 4G signals for 3,000 trapped individuals within three hours of the catastrophe. This legacy of safeguarding the "Golden Hour"—the critical first 60 minutes post-disaster where survival rates plummet without communication—has been repeatedly validated under the most extreme conditions. During the 2023 Beijing-Tianjin-Hebei Typhoon Doksuri, the system operated continuously for 72 hours in an environment where 80% of power facilities were obliterated. Most recently, during the 2025 Xizang earthquake, the tethered UAV ascended to 200 meters, integrating with satellite links to provide 24-hour emergency communication for Quyuxiang, whilst simultaneously coordinating with other systems during the Shanxi mega-snowstorm to maintain network stability over ice-covered cables.
Driving these heroic deployments is a formidable technological evolution. In 2024, Dagong Technology released its epoch-making 600-meter altitude tethered UAV system, drastically expanding signal coverage areas even in oxygen-deprived, 2,000-meter plateau environments. This leap in power management and dynamic systems is complemented by a modular design philosophy, allowing a single platform to interchangeably carry 5G base stations, LiDAR, and environmental monitoring gear—achieving true "one machine, multiple capabilities."

Beyond emergency communication, Dagong Technology’s tethered UAVs have proven their mettle in the most demanding broadcasting environments. Serving as CCTV's designated "aerial cameraman," the system delivered groundbreaking 12G bandwidth real-time 4K transmissions during the 70th Anniversary of the PRC and the CPC Centenary celebrations, providing global audiences with unforgettable aerial perspectives.
As a recognized "Specialized, Refined, Differential, and Innovative" enterprise holding over 70 technical patents, Dagong Technology continues to push the boundaries of the low-altitude economy. Company founder Shen Shizhou encapsulated this ethos: "True craftsmanship is not repetitive manufacturing, but finding the optimal solution within a complex system." As tethered UAVs evolve into intelligent, autonomous nodes within a space-air-ground-sea integrated communication network, Dagong Technology remains at the vanguard, ensuring that when disaster strikes, the vital lifeline of communication is never severed.