This module is mainly responsible to provide internet connectivity to the control board for sending processed data to the user and provide connectivity for two-way communication between user and visitor. Most of the manufacturer of video doorbell uses own design Wi-Fi and Bluetooth modules to provide better security.
Two-way Communication Module:
It provides communication between user and visitor. This unit has some basic communication network circuitry with a speaker and microphone. It can be interfaced with the control board either directly or via a tuner circuit.
As we know, having a battery as a backup source in any security system is always required because we can’t tolerate downtime. Li-ion batteries are a milestone in this field.
When a person comes to the doorstep or rings the bell then this gadget sends a notification to the user by using their application. At that time user may communicate to the visitor or let the camera capture the footage. Most of the video doorbells are using the internet to send the notification to the user whereas some of them are also using cellular communication by using inside SIM cards. Some of the cameras are also using artificial intelligence to differentiate moving objects; otherwise, the camera will alert the user for any kind of motion, which can lead to many irrelevant notifications.
The main application of this gadget is found in the security field. Because you can’t be home or your office for 24 hours; you have many jobs to do. As we know video doorbells come in handy because they make it seem like you are at home or office for 24 hours when you are not, being able to greet visitors at your doorstep from anywhere by using the internet. For safety purposes, this gadget is a good option.
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