Ericsson F5521gw Module Installation And Collocation Manuallines

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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:

F5521gw

ERICSSON AB

Lindholmspiren 11

Gothenburg SE-417 56

Sweden

Revision Histry

Revision Number Date Description

1 01/ 20/ 2011 Initial release

2/8

- Index -

INTRODUCTION ........................................................................................................................ 3

2 HOST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

3 COLLOCATEDINSTALLATIONGUIDELINES.......................................................................................... 5

4 DOCUMENTATIONREQUIREMENTS .................................................................................................. 6

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

6 SIMULTANEOUS 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

1 Introduction



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

tabletcomputermodelTP00019AtobeauthorizedforusewiththeF5521gw

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F5521gw

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F5521gw

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authoriz esimultaneoustransmission .



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2 Host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limitat ionsdefinedinTable1inSection3.



2.3 EndUserInstallation

Two‐wayauthenticationdocumentationmustbesubmittedaspartofaCl assIIpermissivechange

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

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3 Collocated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

z P≤60/

f(GHz)

z Antenna‐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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4 Documentation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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5 Individual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

WWAN WWAN

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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6 Simultaneous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 F5521gw

 WWAN

transmitterprovidedtheindividualSARresultsfortheportablecollocatedtransmitterarelessth an

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.

SAR

WWAN

SAR

collocated

1.6 1.6

SAR

collocated

< 1.6 - SAR

WWAN

SAR

collocated

< 1.6 – 1.180

SAR

collocated

< 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

SAR

collocated

1.6 1.6

antenna-to-antenna distance

+ <

5 x

( + )

< antenna-to-antenna distance (cm)

SAR

collocated

= 1.6 x ( )

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SAR

WWAN

Ericsson F5521gw Module Installation And Collocation Manuallines

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