Ericsson F5521gw Bedienungsanleitung

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F5521gw Module Installation and Collocation Guidelines

for Lenovo Portable Host Devices

Document Number : UY610-03-0066-00 Rev.1

January 20, 2011

FCC ID: VV7-MBMF5521GW1

IC: 287AG-MBMF5521GW1

Model: F5521gwTM

ERICSSON AB

Lindholmspiren 11

Gothenburg SE-417 56

Sweden

Revision Histry

Revision Number Date Description

1 01/ 20/ 2011 Initial release

2/8

- Index -

1INTRODUCTION ........................................................................................................................ 3

2HOSTINSTALLATIONGUIDELINES ..................................................................................................... 4

2.1 Label Requirements............................................................................................................................................ 4

2.2 Portable Hosts (WLAN antenna to user separation distance <20cm).................................................................4

2.3 End User Installation .......................................................................................................................................... 4

3COLLOCATEDINSTALLATIONGUIDELINES.......................................................................................... 5

4DOCUMENTATIONREQUIREMENTS .................................................................................................. 6

5INDIVIDUAL WLAN SAR EVALUATION ................................................................................ 7

6SIMULTANEOUS RF EXPOSURE EVALUATION GUIDELINES FOR COLLOCATED

TRANSMITTERS................................................................................................................................. 8

6.1 Portable Hosts: Sum of Total SAR < SAR Limit................................................................................................ 8

6.2 Portable Hosts Max Collocated SAR vs. Distance ............................................................................................. 8

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F5521gw Module Installation and Collocation Guidelines

for Lenovo Portable Host Devices

1Introduction



ThisdocumentprovidesmoduleandantennainstallationandcollocationguidelinesforLenovo

tabletcomputermodelTP00019AtobeauthorizedforusewiththeF5521gwTMmodulein

accordancewiththeSupplementNotetoFCCKDB616217.

ThefollowinginstallationsforPortablehostconfigurationsareaddressedinthisdocument.

1) TheF5521gwTMmodulecanbeinstalledasastandalonetransmitterinaPortable

notebook/netbookorTablet(hereaftercalledPortablenotebook)meetingthefollowing

conditions:

PortablenotebooksthatmeetthetechnicalparametersaredefinedinSection2and

Section3.TheseparametersdefinethePortablenotebookconfigurationusedasthe

baselinehosttoevaluateSAR.Alternatively,amoreconservativehostapproved

throughaClassIIPermissivechangecanalsobereferencedastheconservative

baselinewherenewPortablenotebookswithgreaterantennaseparationdistanceor

lowerSARcanbeincluded.



2) AllowthehostdevicecollocatedtransmissionwiththeF5521gwTMmoduleapproved

underFCCID:VV7‐MBMF5521GW1.Thecollocatedtransmittersmustmeetthetechnical

requirementsdefinedinSection3.



3) Allowend‐userinstallationprovidedmodule/notebookTwo‐WayAuthenticationhasbeen

addressedsothatmodulescanonlybeactivatedinapprovednotebooks.

Otherconfigurationsnotspecificallydescribedinthisdocumentmaybeauthorizedthrough

coordinationwithEricssonABtoverifythatalltechnicalrequirementsdefinedinSupplementNote

toFCCKDB616217orotherrelevantFCCspecificationsareadequatelyaddressed.

TheinstallationandcollocationguidelinesareapplicableonlyforTabletcomputerswhereWWAN

andcollocatedantennasarelocatedinthekeyboardsectionordisplayportionofaTablet

computerwhereSARevaluationiscompletedwiththeproperantennaseparationdistancetothe

keyboardordisplayantennaasdefinedinKDB616217andSection4ofKDB447498.



Anycollocatedtransmitterorantennathatdoesnotmeetthetechnicalrequirementsdefinedin

thisdocumentrequiresaClassIIpermissivechangetoauthorizesimultaneoustransmission.

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2HostInstallationGuidelines



ThissectiondefineshostinstallationlimitationsforPortablenotebooks.



SupportingRFexposure

informationislocatedinSection4.



2.1 LabelRequirements

TheFCCandIndustryCanadaIDsmustbepermanentlyaffixedontheexteriorofthePortable

notebookorreadilyaccessibleunderapanelorbatterypackofthehostdevicethatcannotbe

separatedfromthehostdeviceitself.



2.2 PortableHosts(WLANantennatouserseparationdistance<20cm)

TheF5521gwmodulecanbeinstalledforuseinanyauthenticatedPortablenotebookdevicewith

theWLANantennalimitationsdefinedinTable1inSection3.



2.3 EndUserInstallation

Two‐wayauthenticationdocumentationmustbesubmittedaspartofaClassIIpermissivechange

allowingend‐userinstallationintoPortablenotebooksthatutilizethemethodofauthentication.

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3CollocatedInstallationGuidelines



CollocatedtransmitterscanbeoperatedsimultaneouslywiththeF5521gwmodule,providedthe

technicalparameterslistedinTable1aremaintainedandtheinformationspecifiedinSection4is

onfile.AClassIIpermissivechangeisrequiredifthehostdevicedoesnotmeettherequirements

specifiedinTable1andinsection6.



Table1HostDeviceLimitations

ParameterRequirementRFExposureJustification

Co‐locationGuide

sanctioninthisdocument

DevicetypeTablet 

DisplaysizeAny

WWANAntenna

locationsDisplay

Tabletdisplay

orientation

SecondaryLandscape

orientationisdisabled.

ExteriorDisplayMaterialAny

WWANmodulelocationAnywhere

MaximumWWANSAR1.180mW/g(1g)SupplementtoKDB616217

D03Section4Section5

MinimumWWANto

UserDistance15mm SupplementtoKDB616217

D03Section4Section5

MinimumPortable

CollocatedTransmitter

SAR

0.420mW/g(1gram)

SupplementtoKDB616217

D03Section4

KDB447498D01Section3

Section6.1

CollocatedBluetooth

Transmitter

zP≤60/f(GHz)

zAntenna‐to‐antennaor

antenna‐to‐person

distance≥5cm

KDB616217D01Table‐2

KDB447498D01Section3



DistancetoexternalUSB

ports>5cmSupplementtoKDB616217

D03Section2



Otherdevicesmaybeapprovedascollocatedtransmitters,providedthetechnicalrequirementsofKDB

616217aresatisfied.

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4DocumentationRequirements

Thefollowingdocumentationmustbekeptonfiletoallowsimultaneoustransmission.AClassII

permissivechangeisrequiredifthetechnicalrequirementsofKDB616217cannotbemet.

•ListofallcollocatedtransmitterswithFCCandICIDs

•VerificationthatallWWANandWLANantennasare>5cmfromexternalUSB,PCMCIAor

othernotebookI/Oportsthatsupportanexternalplug‐intransmitter.

•Drawingsshowingantennalocationsandseparationdistances

•Antennatypeswithrespectivedimensionsandfarfieldantennagains

•SpecificmoduletoantennaRFcoaxialcablelosses

•RFexposureanalysesdemonstratingcompliancewithSection4)ofKDB616217asshown

below



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5IndividualWLANSAREvaluation

PortableRFexposureevaluationhasbeencompletedbasedonSARmeasurementsonthePortable

notebookcomputer(LenovoModel:TP00019A)thatprovided1.5cmofseparationdistance

betweentheWWANantennaandtheenduserasillustratedinFigure1.Themeasured1‐gSAR

fortheWWANconfigurationwas1.180mW/g(1g)asreportedintheClassIIPermissiveChange

application.



NewPortablenotebookswithgreaterantennaseparationdistanceorlowerSARarecovered

underthisC2PCfiling.

Figure 1 Antenna Locations



23.6mm

SAR

robe

Tx Rx

WWANWWAN 15mm

WWAN Tx

WWAN Rx

SAR

robe

Secondary Landscape mode

Secondary Portrait mode

Tablet Lap held mode

WWAN transmission is not supported at Secondary

Landscape screen mode.

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6SimultaneousRFExposureEvaluationGuidelinesFor

CollocatedTransmitters

6.1 PortableHosts:SumofTotalSAR<SARLimit

AportablecollocatedtransmittercanbeoperatedsimultaneouslywiththeF5521gwTMWWAN

transmitterprovidedtheindividualSARresultsfortheportablecollocatedtransmitterarelessthan

thevaluespecifiedbelowbasedonSection4)a)oftheSupplementtoKDB616217.The

maximumindividualSARvalueiscalculatedbasedontheWWAN1‐gSARof1.180mW/g.

SARWWAN SARcollocated

1.6 1.6

SARcollocated < 1.6 - SARWWAN

SARcollocated < 1.6 – 1.180

SARcollocated < 0.420 mW/g

6.2 PortableHostsMaxCollocatedSARvs.Distance

IfthesummationofSARexceedstheFCClimit,collocationispermittedprovidedtheminimum

allowableseparationdistancederivedfromtheequationbelowissatisfied.Analternate

equationprovidesthemaximumcollocatedSARbasedonaspecifiedseparationdistanceas

definedinsection4.b)ii)oftheSupplementalnoteofKDB616217.

SAR

WWAN SARcollocated

1.6 1.6

antenna-to-antenna distance

+ <

5 x (+ )

< antenna-to-antenna distance (cm)

SARcollocated = 1.6 x ()

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SARWWAN

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