Enterasys-networks ROAMABOUT RBT-1602 Manual de usuario Pagina 19

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Determining the Antenna Locations
RoamAbout Antenna Site Preparation and Installation Guide 1-7
Other Factors That Can Reduce Antenna Range
Largereflectingsurfacesthatareparallelorpartlyperpendiculartotheradiosignalcause
reflectionsoftheradiosignal(s ee Figure 13).Exam plesofreflectingsurfacesarebuildingswith
lowemissivity(lowe)glass,crowdedparkinglots,water,moistearth,moistvegetation,and
abovegroundpowerortelephonelines.
Becausesurrounding
objects,suchastrees,powerlines,andotherantennas,seriouslyreduce
efficiencyoftheantenna,itisveryimportanttomounttheantennaashighandclearofobstacles
aspossible.
Figure 1-3 Large Reflecting Surfaces
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