Honeywell IAQPoint2 User Manual page 854

Installation Instructions
Network Requirements
Transmitter Locations
Example of transmitter placement.
In this example, the controller is in a room, separated from the main
parking structure. In any such installation, there should always be two
transmitters located in front of and facing the controller location.
(Remaining transmitters should be facing the centre of the structure.)
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Honeywell
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