Motorola VML750 - LTE & LMR Antennas Mounting Recommendations; Antenna Mounting Recommendations for Vehicles

Appendix
C
LTE&LMRAntennasMounting
Recommendations
ThisappendixprovidesproceduresfordeterminingthemountinglocationsforaPublicSafetyNarrow
Band(PSNB)LMR700/800MHzantennaandBroadBand(BB)LTE700MHzantennas.
Thefollowingproceduresaregiven:
•PolicepatrolvehiclewithaPSNBantennaandastandardBBantenna.
•BuswithaPSNBantennaandalowprofileBBantenna
PolicePatrolVehicleAntennasLocationConsiderations
—Overview
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Theantennasmountinglocationisselectedindividuallyforeveryvehiclebeforestartingtheactual
installationprocess.Thefollowinglistgivesgeneralrecommendationsfordeterminingthemounting
locationofPSNBandBBantennasbasedonseveralkeyconsiderations:
•Keepaminimumdistanceof7.87”(20cm)betweentheLTE[BB]antennas;including
WiFitoanyotherantennaandanypotentialbystander(forbystandersafely).
•FollowtheguidelinesintheinstallationandsafetymanualsoftheLMR
[PSNB]radioswithregardstomountinglocationsandoperationofradiointhe
presenceofbystanders(forbystandersafety).
•Keepaminimumspatialseparationof78”(198cm)betweenthePSNBandBBLTEantennas
thisseparationprovidesaminimumof35dBisolationtoreduceinterferences.
•Keepaminimumspatialseparationof36”(91.4cm)betweenthetwoBBLTE(mainand
diversity)antennasforpotentialinterferencereductionandforoptimalMultipleInputMultiple
Output(MIMO)andMaximumRatiodiversityCombining(MRC)performance.
6802988C54-BJuly2014C-1