Visonic Sensors

[JDRoberts]

I think the 340 has always worked:

Visonic MCT340

Sorry This Is the Only Link I could Find to Show the Product… It Works Great… http://www.ebay.com/itm/191685942381?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT This is my old Sensor From Comcast and it works great with ST and It also gives Tempature!!