![](https://gqt.gr/386/nx-451n-i-caddx-door-windor-transmitter-433mhz.jpg)
![](https://gqt.gr/386/nx-451n-i-caddx-door-windor-transmitter-433mhz.jpg)
The door/window transmitters can be installed on doors, windows or virtually anything that opens and closes. During normal application, the sensor transmits open (trip) and close (restore) signals to the control panel receiver. The sensor also sends a supervisory signal every 64 minutes.
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The door/window transmitters can be installed on doors, windows or virtually anything that opens and closes. During normal application, the sensor transmits open (trip) and close (restore) signals to the control panel receiver. The sensor also sends a supervisory signal every 64 minutes.
The door/window transmitters can be installed on doors, windows or virtually anything that opens and closes. During normal application, the sensor transmits open (trip) and close (restore) signals to the control panel receiver. The sensor also sends a supervisory signal every 64 minutes.