Please see this link
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icontrolopenhome.blogspot.com/here is a small section of that article:
There are two types of OpenHome: Converge and Connect. OpenHome Converge consists of a touch screen tablet and security panel that is used with a variety of Wifi or cable Internet services (OpenHome: Interactive Home, 2011). According to iControl Networks Inc., OpenHome Converge integrates the most advanced security control providers panels with Wifi, Z-Wave, and Zigbee technologies.
The technician who installed the unit also told me that he was told that the unit supported both Z-Wave and Zigbee. He wasn't sure though.