Q: What’s the difference between a contact and a transmitter? A:   They are both used for the same purpose.  The difference is that a contact is wired and a transmitter…

Q: What’s the difference between a monitored residential smoke detections system and a traditional standalone residential fire alarm? A:  For the point of this discussion we are going to assume…

Q: What’s the difference between a “heat detector” and a “smoke detector”? A:  A heat detector (below) is used when a smoke detector is not optimal for various situations.  It…