Most petrochemical companies stipulate that employees cannot use mobile phones in the factory area because mobile phones are a type of wireless communication tool. The radio waves (radio frequency electromagnetic radiation) emitted by the radio transmitter can induce radio frequency currents in the antenna receiving the radio. When radio frequency current circulates between metal conductors and en...
Industry background
The private network wireless communication system is an indispensable and important communication tool for railway electrical, engineering, power supply, passenger transport, stations and other departments. Smooth and timely wireless communication is an important guarantee for safe operation and train safety. VANVE understands the difficulties and needs faced by different dep...
Environmental characteristics
The first to fifth floors are relatively high and have reinforced concrete structures. The shielding in the basement and hallway is relatively strong, and the intercom signal is relatively weak. After testing by our technical personnel, the signal shielding is quite severe, and direct communication between walkie talkies alone cannot guarantee its communication requ...
Taking refining and chemical enterprises as the background, this paper combines the requirements of Made in China 2025 for the integration of information technology and industrialization, analyzes the foundation of intelligent manufacturing construction in domestic refining and chemical enterprises, draws on the ideas of intelligent factory construction in domestic and foreign industries, and prop...
Industry background
In recent years, frequent natural disasters and emergencies worldwide have attracted more attention to emergency communication and rescue< br />
Emergency communication is a special communication mechanism that provides rapid response to natural or man-made emergencies, comprehensively utilizing various communication resources to ensure emergency rescue and necessary co...
Shenzhen Wanwei Communication Technology Co., Ltd. is a high-tech enterprise specializing in the R&D and sales of three prevention electronic products, communication information equipment and Internet terminal products.
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