Weatherproof Apartment IP Door Phone Audio Door Phone for Audio Intercom System

The audio door telephone controller device solves the problem of security control for residents and visitors entering the door. Its biggest feature is to integrate the access control system with the telephone network, and use the ordinary household telephone or mobile phone as the visitor identification terminal.

Audio door telephone When a visitor arrives, whether the resident is at home, in the office or on business trip, the door can be opened by remote control through the telephone or mobile phone. The audio door telephone device is the product upgrade of the traditional intercom access control system. It does not need wiring and is easy to install and maintain. It can use both local telephone lines and internal extension lines.

The audio door telephone system is mainly composed of host, extension, UPS power supply, electric control lock and door closer. According to the type, it can be divided into direct press type, digital type, digital household communication, direct press type visual intercom, digital visual intercom, digital household communication visual intercom, etc.

The main function of UPS power supply is to keep the building intercom system from power failure. Under normal conditions, it is in the state of charging. When the power is cut off, the UPS power supply is in the state of supplying power to the system. At present, the manufacturer of the building intercom system is generally different from the UPS battery. The main reason is that the power consumption of the visual system is too large, and the general small-capacity UPS battery can not guarantee the use time!