
shortwave communication Compared with satellite communications, terrestrial microwave and other means of communication, shortwave communication has many significant advantages: Shortwave communication does not require the establishment of relay stations to achieve long- distance communications, low construction and maintenance costs and low operating costs. [pdf]

A base station (BTS or NodeB/eNodeB/gNodeB) is the antenna site your phone connects to.If the SMS system (SMSC or signaling network) logs show “Unknown Base Station,” it usually means:The cell ID or location area code (LAC) is missing or invalid.The base station ID isn’t mapped in the operator’s Home Location Register (HLR) or Visitor Location Register (VLR).The subscriber was roaming, and the network couldn’t resolve the roaming partner’s base station information. [pdf]

The current national policies and technical requirements related to electromagnetic radiation administration of mobile communication base stations in China are described, including laws and regulations on electromagnetic radiation management, electromagnetic environmental impact assessment system for mobile communication base stations, technical standards, etc.. [pdf]

On May 13, 2025, Huawei and the International Telecommunication Union (ITU), with the support of China Mobile Group Design Institute, China Telecom, China Unicom, and Alibaba Cloud, jointly released the White Paper on the Safety of Lithium-ion Battery Applications in Data Centres (referred to as the White Paper) at the Global Data Center Facility Summit 2025. [pdf]
We are committed to excellence in solar container and energy storage solutions.
With complete control over our manufacturing process, we ensure the highest quality standards in every solar container and BESS system we deliver.