Alarmtech
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- Wireless: Connects to the installation system via a wireless communication protocol. Powered by battery.
- Wired: It connects to the installation system via cable.
- Contact NC: The circuit is closed when the door is closed. When the door opens, the circuit also opens and the alarm is triggered. It offers maximum security because it is activated even if the cable is cut.
- Contact NO: The circuit is open when the door is closed. When the door opens, the circuit closes and the alarm is triggered. It is used only in special or older installations where the alarm panel requires it.
