2AR2STAT4506Wireless headphones with Noise Canceling

Rev11/20/07 MMDHongKongHoldingLimited FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AR2STAT4506 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName BlockDiagram Schematics OperationalDescription Block SCH OperationalDescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,Wealsorequestingthe commissiontograntshort-termconfidentialityrequestonthefollowingattachmentsuntil180 daysaftertheGrantDateofEquipmentAuthorizations. ExhibitTypeFileName ManualUsermanual Sincerely, TomasGuan 2021-03-012

MMDHongKongHoldingLimited Declarationonmodeldifference Wetheundersignedherebyconfirmthatthesemodelsareidentical,andallmodelshavethe sameRFmoduleandantenna,PCBlayout,schematicsandcomponent.Onlydifferentonmodel numberandcolorofappearance. ProductionnameTrademarkFCCIDModelno. Wireless headphoneswith NoiseCanceling PHILIPS, 2AR2STAT4506TAT4506,TAT4506xx/yy(xx=AA-ZZ orblankdenoteddifferentcolor; yy=00-99denoteddifferent countrydestination) Confirmedby: TomasGuan 2021-03-012

MMDHongKongHoldingLimited FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Date:2021-03-12 SUBJECT:FCCApplicationfor(FCCID:2AR2STAT4506) ToWhomItMayConcern: We,theundersigned,herebyauthorizeSamLvatEMTEK(DONGGUAN)CO.,LTD.on ourbehalf,toapplytotheFederalCommunicationsCommissiononourequipment.Any andallactscarriedoutbyEMTEK(DONGGUAN)CO.,LTD.onourbehalfshallhavethe sameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, Sincerely, TomasGuan 2021-03-12

R R R R R L L L L L L

R R R R ANT L L L L ANT

RFEXPOSUREEVALUATION EUTSpecification EUTWirelessheadphoneswithNoiseCanceling ModelNumberTAT4506,TAT4506xx/yy(xx=AA-ZZorblankdenoted differentcolor;yy=00-99denoteddifferentcountry destination) FCCID2AR2STAT4506 Antennagain(Max)0dBi OperationFrequency2402-2480MHz InputRatingDC3.7VBattery ClassificationPer StipulatedTestStandard §15.247(i),§2.1093 KindofDevice:BluetoothVer.5.0 ModulationDSS:GFSK,π/4-DQPSK,8DPSK DTS:GFSK Max.outputpowerDSS:1.97dBm(0.001574W) DTS:-0.21dBm(0.000953W) TestRequirement: Accordingto§15.247(i)and§1.1307(b)(1),systemsoperatingunderthe provisionsofthissectionshallbeoperatedinamannerthatensuresthatthe publicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualityforTCBapproval. OneantennaisavailablefortheEUT.Theminimumseparationdistanceis 5mm. DSS: Transmit Frequency (MHz) Mode Measure dPower (dBm) Tune upPower (dBm) Maxtuneup power(dBm) Calculation Result 1-g SAR 2.402GFSK1.9302±130.61846703 2.441GFSK1.6501±120.49513653 2.480GFSK1.1201±120.49917853 2.402 Π/4-DQ PSK 1.9602±130.61846703 2.441 Π/4-DQ PSK 1.6701±120.49523793 2.480 Π/4-DQ PSK 1.1301±120.49917853 2.4028DPSK1.9702±130.61846703 2.4418DPSK1.6801±120.49523793 2.4808DPSK1.1501±120.49917853 DTS: Transmit Frequency (MHz) Mode Measure dPower (dBm) Tune upPower (dBm) Maxtuneup power(dBm) Calculation Result 1-g SAR 2.402GFSK-1.04-1±100.30996773 2.440GFSK-0.50-1±100.31241003 2.480GFSK-0.21-1±100.31496033 AccordingtoKDB447498,nostand-alonerequiredforBTantenna,andno simultaneousSARmeasurementisrequired. Signature: SamLv Date:2021-03-12

ReportNo.ES210130010W2Page 1 of 37 Ver.1.0 TESTREPORT ProductName ： WirelessheadphoneswithNoiseCanceling ModelNumber ： TAT4506,TAT4506xx/yy(xx=AA-ZZorblank denoteddifferentcolor;yy=00-99denoted differentcountrydestination) FCCID ： 2AR2STAT4506 Preparedfor:MMDHongKongHoldingLimited Address:Unit1006,10thFloor,C-BonsInternationalCenter,108Wai YipStreet,KwunTong,Kowloon,HongKong Preparedby:EMTEK(SHENZHEN)CO.,LTD. Address:Building69,MajialongIndustryZone,NanshanDistrict, Shenzhen,Guangdong,China Tel:(0755)26954280 Fax:(0755)26954282 ReportNumber:ES210130010W2 Date(s)ofTests:January30,2021toMarch05,2021 Dateofissue:March05,2021 ReportNo.ES210130010W2Page 2 of 37 Ver.1.0 TableofContents TESTREPORT................................................................................................................................................................................1 1TESTRESULTCERTIFICATION.............................................................................................................................................3 2EUTTECHNICALDESCRIPTION...........................................................................................................................................4 3SUMMARYOFTESTRESULT..................................................................................................................................................5 4TESTMETHODOLOGY.............................................................................................................................................................6 4.1GENERALDESCRIPTIONOFAPPLIEDSTANDARDS....................................................................................................6 4.2MEASUREMENTEQUIPMENTUSED................................................................................................................................6 4.3DESCRIPTIONOFTESTMODES........................................................................................................................................7 5FACILITIESANDACCREDITATIONS....................................................................................................................................8 5.1FACILITIES.............................................................................................................................................................................8 5.2LABORATORYACCREDITATIONSANDLISTINGS........................................................................................................8 6TESTSYSTEMUNCERTAINTY...............................................................................................................................................9 7SETUPOFEQUIPMENTUNDERTEST................................................................................................................................10 7.1RADIOFREQUENCYTESTSETUP1................................................................................................................................10 7.2RADIOFREQUENCYTESTSETUP2................................................................................................................................10 7.3CONDUCTEDEMISSIONTESTSETUP............................................................................................................................11 7.4SUPPORTEQUIPMENT......................................................................................................................................................12 8TESTREQUIREMENTS...........................................................................................................................................................13 8.1DTS6DBBANDWIDTH......................................................................................................................................................13 8.2MAXIMUMPEAKCONDUCTEDOUTPUTPOWER......................................................................................................16 8.3MAXIMUMPOWERSPECTRALDENSITY.....................................................................................................................19 8.4UNWANTEDEMISSIONSINNON-RESTRICTEDFREQUENCYBANDS...................................................................22 8.5RADIATEDSPURIOUSEMISSION...................................................................................................................................27 8.6CONDUCTEDEMISSIONSTEST......................................................................................................................................35 8.7ANTENNAAPPLICATION..................................................................................................................................................36 ReportNo.ES210130010W2Page 3 of 37 Ver.1.0 1TESTRESULTCERTIFICATION Applicant:MMDHongKongHoldingLimited Address ： Unit1006,10thFloor,C-BonsInternationalCenter,108WaiYipStreet,Kwun Tong,Kowloon,HongKong Manufacturer:MMDHongKongHoldingLimited Address ： Unit1006,10thFloor,C-BonsInternationalCenter,108WaiYipStreet,Kwun Tong,Kowloon,HongKong EUT:WirelessheadphoneswithNoiseCanceling ModelName: TAT4506,TAT4506xx/yy(xx=AA-ZZorblankdenoteddifferentcolor;yy=00-99 denoteddifferentcountrydestination) Trademark: PHILIPS, MeasurementProcedureUsed: APPLICABLESTANDARDS STANDARDTESTRESULT FCC47CFRPart2,SubpartJ FCC47CFRPart15,SubpartC PASS TheaboveequipmentwastestedbyEMTEK(SHENZHEN)CO.,LTD.Thetestdata,dataevaluation,testprocedures, andequipmentconfigurationsshowninthisreportweremadeinaccordancewiththeproceduresgiveninANSI C63.10(2013)andtheenergyemittedbythesampleEUTtestedasdescribedinthisreportisincompliancewiththe requirementsofFCCRulesPart2andPart15.247 Thetestresultsofthisreportrelateonlytothetestedsampleidentifiedinthisreport DateofTest:January30,2021toMarch06,2021 Preparedby: SewenGuo/Editor Reviewer: JoeXia/Editor Approve&AuthorizedSigner:LisaWang/Manager ReportNo.ES210130010W2Page 4 of 37 Ver.1.0 2EUTTECHNICALDESCRIPTION ProductWirelessheadphoneswithNoiseCanceling M…

Text truncated - open the document above for the full version.