Driveway Monitor To Trip PTZ

Has anyone used a wireless driveway monitor with an output to trip an input on an NVR that would move the PTZ to the preset? If so, what have you used?

Application, one of our customers has a PTZ that he uses to watch the farm. It's home position is set to watch the house. However he has a pretty long driveway and would like the PTZ to move to the driveway when someone is pulling up. The position of the sensor would be about 200 feet from the house. Wireless is needed.

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