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In addition, one elevator shaft is installed to receive the video data, and then the network cable is connected to the optical fiber. Each elevator monitoring video is sent to the monitoring center. The installation diagram of the receiving terminal is as follows: 
Engineering treasure temporary viewing image 
Elevator wireless surveillance image with what wireless bridge does not interfere
The community is composed of high-rises, small high-rises, and villas, and is fully furnished. Clubs, swimming pools, children's playgrounds, leisure venues, etc. Huanggang Park, Fumin Subway, Wanjia, Rainbow Shopping Center, Kindergarten, Elementary School, Middle School, etc. There are a total of 12, each with 2 elevators and 1 freight elevator, with a maximum of 33 floors. Each elevator has a 2 million heikang network hemisphere, equipped with two cisco 5.8G industrial grade wireless bridge HS-5868S. One launcher installs a low elevator car, and then uses a network cable to connect 2 million network hemispheres. The installation diagram is as follows :