Aclara MTU Installation Manuallines
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4 M T U I n s t a l l a t i o n G u i d e l i n e sSignal PropagationFree Space AttenuationFree space attenuation is the natural loss in signal strength that occurs when radiowaves pass through open air. This loss in signal strength is proportionate to thedistance between the transmitter and the receiver. While the actual installation ofthe MTU will not change the free space attenuation considerably, certain locationsmay require the use of an extended range MTU or an increase in the number ofDCUs to improve communication.RF AbsorptionRF absorption occurs naturally with objects that are not electric conductive such asdrywall, concrete, wood, and foliage. A variety of factors affect how much RFenergy is absorbed by the obstruction. The following illustrates how concrete tendsto absorb more RF energy than a sheet of drywall. |
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