User's Manual

RLX2 Industrial Hotspot Series
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Page186of208 ProSoftTechnology,Inc.
 February5,2015
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AntennaLocation,Spacing,andMounting
Considerthefollowingpoints regarding antennalocation,spacing,andmounting:
 Whenplacingantennas,ensureaclear lineofsightbetweenthemasterradio's
antennaandalloftheotherradioantennas.
 Ifthesitebasecontainsobstructingterrainorstructures,mounttheantennaona
towerorrooftoptoprovidealine‐of‐sightpa
th.Theline‐of‐sightconsideration
becomesmoreimportantasthetransmissionpathbecomeslonger.
 Mounttheantennasashighoffthegroundasispractical.Thehigheranantennais
abovetheground,thegreaterits range.
 Mounttheantennasawayfrommassivestructures.Radiosignalsb
ounceoffmetal
walls,forexample,whichcancompromiseaclearsignal.
 Mountantennastominimizetheamountofnearbymetalstructuresintheantenna
pattern.
 MounttheantennasandinstallradiosawayfromsourcesofRFinterference.
 Usetheshortestpossibleantennacablelength.Signal
slosepoweroverthecable's
distance.
 Chooseantennasthatareappropriateforthenetwork'sintendedfunction.
 Ifantennasareonradiosonthesamenetwork,mountthemsotheyhavethesame
polarity.Iftheantennasareonseparatenetworks,mountthemsotheyhavea
differentantennapolarity
—forexample,mountoneantennaverticallyandthe
otherhorizontally.
 Spaceradiosatleastthreefeet(onemeter)apartsotheydonotoverloadeach
other.Ifantennasmustbeneareachother:
o Mountomnidirectionalantennasdirectlyaboveeachother.
o Positiondirectionalantennassotheydonotpointatnearbyantennas.Place
antennassidebysideiftheypointinthesamedirection.Placeantennasbackto
backiftheypointinoppositedirections. 
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