I have found the Totaline P474-2300RF which looks quite interesting since it
uses 418MHz. The ProntoPro and its clones can send 418MHz. Does anybody have
one of these?
http://www.wirelessthermostats.com/totalineres.pdf
The Totaline looks identical to one from Carrier. I see that RCI Automation
also carries it.
http://ourworld.compuserve.com/homepages/rciautomation/p1.htm
I've also found the Honeywell T8665 which is not very interesting since it
uses 345MHz and I don't know of any off-the-shelf transmitter or receiver
modules for this frequency.
What others are there? What RF frequency do they use? URLs would be helpful.
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http://www.laser.com/dhouston/