From August to September every year, it is the peak period for typhoons, heavy rain and severe convective weather in our country. Every time a powerful typhoon makes landfall, it is a practical test for emergency communication in the field. Strong winds, heavy rain, high humidity, water accumulation, intense vibrations, sand and salt fog, signal blockage and interference - in extreme disaster situations, public network base stations of operators are prone to power outages, optical cable interruptions, and "public network paralysis, communication disconnection" become the biggest pain point in emergency rescue and relief efforts.

As the "backup communication means" for emergency rescue, the stability of the self-organizing network equipment for emergency rescue directly determines whether the on-site command and dispatch, video transmission, personnel intercom, and data transmission can remain continuously online.
Conventional communication equipment is designed to be compatible with normal temperature, dry, windless, and rainless environments. The rescue site during a typhoon belongs to an extreme operation scenario where multiple harsh conditions are combined. This poses a comprehensive and rigorous test for communication equipment: there is heavy rainfall and extensive water accumulation on the site, and the equipment is laid out outdoors for a long time, subject to rainwater erosion and penetration, and prone to being soaked in the accumulated water; in coastal areas, there is a high humidity and high salt fog environment, which is highly likely to corrode the equipment interfaces and internal circuit boards, accelerating hardware wear; at the same time, strong winds cause continuous pulling and vibration, which easily cause the antenna of the equipment to shift, the support to shake, triggering communication link oscillation and signal fluctuations; in addition, the wind and rain cause vegetation to fall over and the number of building obstructions to increase, making the on-site electromagnetic environment complex and signal interference greatly increased, significantly increasing the difficulty of communication transmission. Therefore, the core test in the emergency rescue scenario during a typhoon is the equipment's environmental tolerance and operational stability, and it is also the core key for the self-organizing network equipment to adapt to the extreme scenarios of emergency rescue.

Every typhoon rescue operation tests the resilience limit of emergency communication. Public network base stations are prone to damage and loss of connection. However, a set of weather-resistant, interference-resistant, self-healing, and mobile self-organizing network equipment becomes the unbroken communication link in the hands of the rescue team. Hanxun, with its all-scenario adaptable technology system, responds to multiple harsh working conditions in the disaster area. It holds the voice, video, and data transmission channels even in extreme rain and wind, using stable and reliable emergency communication forces to open up a smooth and unobstructed life contact line for rescue and search and rescue operations.