Wireless burglar alarms operate differently from their hard-wired counterparts in that the component parts (control panel, sensors and alarm) communicate via radio signals, rather than electrical wired connection across the whole system.
When we talk about a physical access control system, we’reusually referring to an electronic security system. They typically use anidentifier such as an access card or code to authorise people to enter certain areas.
Video door-phone (also known as video door entry or video intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by …
The Network is a collection of computer systems and devices that are linked together using LAN, WAN, CAN, or HAN whereas the Internet is a global system to link various types of electric devices worldwide.