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WARNING:ThisproductcontainsachemicalknowntotheStateofCalifornia

tocausecancerandbirthdefectsorotherreproductiveharm.

GeneralDescription

ShureantennacombinersactivelycombineRFoutputsfrommultiplewireless

IEMtransmitterstoasingleantenna,improvingRFperformanceandconserv-

ingrackspace.

Features

•ReductionofintermodulationartifactsforcleanerRFenvironment

•Widebandoperation(470-865MHzor865-960MHz)

•Daisy-chainupto2combinerswiththeexpansionport.

•ProvideDCpowertocompatibleIEMtransmitters.

•LEDindicationsofsignalpresence,signaloverloadandcurrentdraw

ModelVariations

ShureantennacombinersforShureIEMwirelesspersonalmonitoringsystems

areavailableinfour-channelandeight-channelrackmountableconfigurations.

DCPowerOutletsRFInputsFrequencyRangeModel

44470-865MHzPA421B

44865-960MHzPA421BX

08470-865MHzPA821B

08865-960MHzPA821BX

Theantennacombinersareavailableintwofrequencyranges.TheRFinputs

allowuptofouroreight(modeldependent)IEMsystemstoshareasingle

antenna.TheDCpoweroutletsandsuppliedpowercablesallowyoutodis-

tributepowertouptofourcompatibleIEMsystemswithoutrequiringexternal

powersupplies.

IncludedComponents

DC OUTPUT

MAIN OUT - 50 OHMS

PA421B

PSM Antenna Combiner

470-865 MHz

A INB IN

A+B OUT

POWER

EXPANSION PORT

Antenna Combiner

2 ft. DC Power Output Cables*11 in. BNC Jumper Cables

IEC Power Cable22 in. BNC Cables**

*(4)2ft.DCpoweroutputcablesareincludedwithfour-channelcombiners

only.

**Thefour-channelcombinerscomewith(4)22in.BNCcables.Theeight-

channelcombinerscomewith(8)22in.BNCcables.

FrontPanels

INPUT SIGNAL

INPUT SIGNAL

5 6 7 8

MAIN OUT - 50 OHMS

PA821B

PSM Antenna Combiner

470-865 MHz

A INB IN

A+B OUT

POWER

EXPANSION PORT

DC OUTPUT

INPUT SIGNAL

MAIN OUT - 50 OHMS

A INB IN

A+B OUT

POWER

EXPANSION PORT

PA421B

PSM Antenna Combiner

470-865 MHz

௟

௠௡

௢

௣

௤

PA421B

PA821B

①MainOutAntennaConnector

Usetheantennasuppliedwiththetransmitter,oranyotherShurepassiveantennathatmatchestheRFoperatingrange.

②LEDIndicators

TheLEDindicatorsonthePA421BandPA421BXdisplayRFsignalandDCcurrentdraw.TheLEDindicatorsonthePA821BandPA821BXdisplayRFsignal

only.SeethesectiononLEDIndicatorsformoreinformation.

③FanVents

Forsystemcooling.

④ExpansionPort

ConnectanIEMtransmitteroranothercombinertoshareasingleantenna.SeetheUsingMultipleAntennaCombinerswithaSingleAntennasectionforcon-

nectioninformation.

1/6©2017ShureIncorporated

PA421B PA821B

Antenna Combiner

Produktspecifikationer