Audio door phone KNZD-45A GSM

access controlemergencyfor elevators

The outdoor intercom system can use wired or GSM signals as signals for communication. According to the actual application needs of customers, free choice of WiFi outdoor intercom or wired intercom. The outdoor intercom system can be used for building access control, corridor patrol, parking lot and many other occasions. Using the intercom system can quickly help users and owners get timely communication. Improve the security of the user's home. How to mount an outdoor intercom? When installing an outdoor intercom outdoors, there are often many problems encountered, in order to be able to use the intercom installed outdoors. We must strictly follow the installation steps below. Install the line of the outdoor intercom If you are using a voip or an analog version of an outdoor intercom, you must install the line to put the intercom into service. The circuit of the intercom must have a protective layer on the outside and cannot be completely exposed. You can bury the phone line underground, or in the wall. Provide rain cover or soundproof cover for outdoor intercom Most outdoor intercom have certain protection and protection, and the waterproof level can reach ip65. If the outdoor intercom is exposed to the sun or rain for a long time, the intercom may suffer a certain degree of damage and cannot be used. Use the rain cover or soundproof cover to protect the outdoor intercom. DESCRIPTION ITEM 1. Robust aluminium alloy die-cast body stainless steel face plate 2. Waterproof rating IP55 dust proof. 3. Supper good sound clarity during conversation. 4. Support video uploading(customized). 5. Lightening protection to ITU-T recommendation K.21. 6. DC12V power supply.