Video intercom is a set of xian modernized well-off residential service measures, providing two-way visual communication between visitors and residents, achieving dual recognition of images and voice to increase safety and reliability, while saving a lot of time and improving work efficiency. More importantly, once the door sensor, infrared alarm detector, smoke detector, gas alarm and other equipment installed in the home are connected to the security indoor unit of the video intercom system, the video intercom system will be upgraded As a security technology prevention network, it can communicate with the residential community property management center or community guards by wired or wireless communication, thus playing the role of security protection against theft, disaster, gas leakage, etc. Degree of protection.
Scope of application
Video intercom is mainly used in single apartment buildings or villas abroad, so video intercom systems are not much networked, while video intercom systems in China are usually used in large residential areas, many of which are Thousands of households, even tens of thousands of households, have higher requirements on the capacity and stability of the number of connected households. The mainstream of video intercom systems is still the use of RS-485 bus signal transmission, and there is a trend towards digital development. TCP is used in China The video intercom system with a larger number of /IP households is gradually maturing.
Video intercom, used in one or more residential buildings, multiple residents share a door host, usually called video intercom system, building video intercom system; and used in a single resident , Such as a villa, is usually called a single-family video doorbell or a villa video doorbell.
Video intercom is currently widely used in urban residences around the world. Its manufacturers are mainly concentrated in Shenzhen, Guangzhou, Shaoguan, Guangdong Province, China, and Xiamen, Fuzhou, etc., where the security industry is relatively developed.
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