
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
SCS-F18:ProjectandProductCertificationRepresentativeAuthorizationLetterPage1of2Rev6.0 775MontagueExpressway Milpitas,CA95035 Tel:408-526-1188 Fax:408-526-1088 Email: [email protected] ProjectandProduct Certification Representative AuthorizationLetter ReasonforAmendment(current/obsolete) RevisionHistory ApprovedDate FromTo InitialRelease(obsolete)1.01.0Nov-14-2006 Revisedwording(obsolete)1.02.0Sept–25-2007 Updatedcompanytemplate(obsolete)2.03.0Jan-31-2012 Updatedletterinformation(obsolete)3.04.0May-23-2014 AddedFCCIDfield(obsolete)4.05.0Sep-16-2014 Updatedcompanyname&logo(current)5.06.0Jun-27-2018 SCS-F18:ProjectandProductCertificationRepresentativeAuthorizationLetterPage2of2Rev6.0 ShenzhenGroundEnterprisesCo.,Ltd (2020-08-20) To:BVCPS,INC. 775MontagueExpressway, Milpitas,CA95035 USA DearSir/Madam, Re:ProductCertificationRepresentativeAuthorizationLetter We,_____ShenzhenGroundEnterprisesCo.,Ltd.___hereby authorizeBVCPS,Inc.toactasaCertificationBodyfor certifyingforthefollowingproject(s): Product::METALLICTWSEARBUDS M/N:VZ40031W,VZ40031W-SIL-N,VZ40031W-BLK-N,VZ40031W-RG-N FCCID:2AMD8-VZ40031W Sincerely, JamesCao ShenzhenGroundEnterprisesCo.,Ltd Room607,BuildingF,MingYueHuaDu,GongheIndustrialRd,Xixiang,BaoAn District,Shenzhen,China
SCS-F19:ConfidentialityRequestLetterPage 1 of 2 Rev6.0 775MontagueExpressway Milpitas,CA95035 Tel:408-526-1188 Fax:408-526-1088 Email: [email protected] m Confidentiality RequestLetter ReasonforAmendment(current/obsolete) RevisionHistory ApprovedDate FromTo InitialRelease(obsolete)1.01.0Nov-14-2006 AddingCFR2.459(obsolete)1.02.0August–11-2008 Updatedcompanytemplate&Addedtext box(obsolete) 2.03.0Jan-31-2012 AddedICconfidentialityletterform (obsolete) 3.04.0March-26-2015 CorrectionstoSTCform.Addedreference toKDB(obsolete) 4.05.0Nov-19-2015 Updatedcompanylogo(current)5.06.0Jun-26-2019 SCS-F19:ConfidentialityRequestLetterPage 2 of 2 Rev6.0 ShenzhenGroundEnterprisesCo.,Ltd (2020-08-20) To: FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD Subject:PermanentConfidentialityRequestforFCCID:2AMD8-VZ40031W Pursuanttosections0.457and0.459ofCFR47,werespectfullyrequestpermanent confidentialtreatmentofthefollowingExhibitsaccompanyingthisapplicationas: -BlockDiagram -Schematics -OperationalDescription Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesematerialsmaybeharmfultothe applicantandprovideunjustifiedbenefitstoitscompetitors. Theapplicantunderstandsthatdisclosureofthisapplicationandallaccompanying documentationwillnotbemadebeforethedateoftheGrantforthisapplication. Sincerely, JamesCao ShenzhenGroundEnterprisesCo.,Ltd Room607,BuildingF,MingYueHuaDu,GongheIndustrialRd,Xixiang,BaoAnDistrict, Shenzhen,China
ShenzhenGroundEnterprisesCo.,Ltd Declarationonmodeldifference Wetheundersignedherebyconfirmthatthesemodelsareidentical,andallmodelshavethe sameRFmoduleandantenna,PCBlayout,schematicsandcomponent.Onlythemodelortheshell colorisdifferent.TheVZ40031Wiswhite,TheVZ40031W-BLK-Nisblack,TheVZ40031W-SIL-Nis Silver,TheVZ40031W-RG-Nisred. ProductionnameTrademarkFCCIDModelno. METALLICTWS EARBUDS VIVITAR, GROUND 2AMD8-VZ40031WVZ40031W,VZ40031W-SIL-N, VZ40031W-BLK-N, VZ40031W-RG-N Sincerely, JamesCao ShenzhenGroundEnterprisesCo.,Ltd Room607,BuildingF,MingYueHuaDu,GongheIndustrialRd,Xixiang,BaoAnDistrict, Shenzhen,China
Label: LabelLocation
ANTENNA
RFEXPOSUREEVALUATION EUTSpecification EUTMETALLICTWSEARBUDS ModelNumberVZ40031W,VZ40031W-SIL-N,VZ40031W-BLK-N, VZ40031W-RG-N FCCID2AMD8-VZ40031W Antennagain(Max)0dBi OperationFrequency2402-2480MHz InputRatingDC3.7VBattery ClassificationPer StipulatedTestStandard §15.247(i),§2.1093 KindofDevice:BluetoothVer.5.0 ModulationGFSK,π/4-DQPSK,8DPSK Max.outputpower4.98dBm(0.0031W) 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. BTDSS: AccordingtoKDB447498,nostand-alonerequiredforBTantenna,andno simultaneousSARmeasurementisrequired. Signature: AlanHe Date:2020-08-20 Transmit Frequency (MHz) Mode Measured Power (dBm) Tuneup Power (dBm) Maxtuneup power(dBm) Calculation Result 1-g SAR 2402GFSK3.393±140.7786083 2441GFSK4.534±150.9881373 2480GFSK4.204±150.9959993 2402 Π/4-DQ PSK 3.944±150.9802113 2441 Π/4-DQ PSK 4.985±161.2439903 2480 Π/4-DQ PSK 4.75±161.2538893 24028DPSK4.044±150.9802113 24418DPSK4.875±161.2439903 24808DPSK4.334±150.9959993
ReportNo.:EA2008099F010011of79 DongGuanAnciElectronicTechnologyCo.,Ltd 1-2Floor,BuildingA,No.11,Headquarters2Road,SongshanLakeHi-techIndustrialDevelopmentZone, DongguanCity,GuangdongPr.,China. Phone:86-769-85075888;Fax:86-769-85075898 E-mail:[email protected] ELECTROMAGNETICEMISSIONSCOMPLIANCEREPORT INTENTIONALRADIATORCERTIFICATIONTO FCCPART15SUBPARTCREQUIREMENT OF METALLICTWSEARBUDS ModelNo.:VZ40031W,VZ40031W-SIL-N,VZ40031W-BLK-N, VZ40031W-RG-N Trademark:VIVITAR,GROUND FCCID:2AMD8-VZ40031W ReportNo.:EA2008099F01001 IssueDate:August15,2020 Preparedfor ShenzhenGroundEnterprisesCo.,Ltd Room607,BuildingF,MingYueHuaDu,GongheIndustrialRd,Xixiang,Bao AnDistrict,Shenzhen,China Preparedby DongGuanAnciElectronicTechnologyCo.,Ltd. 1-2Floor,BuildingA,No.11,Headquarters2Road,Songshan,LakeHi-tech IndustrialDevelopmentZone,DongguanCity,GuangdongPr.,China. Thisreportshallnotbereproduced,exceptinfull,withoutthewrittenapprovalof DongGuanAnciElectronicTechnologyCo.,Ltd. ReportNo.:EA2008099F01001 2 of 79 TRFNo.:FCC15.247/ARev.1.0 VERIFICATIONOFCOMPLIANCE Applicant:ShenzhenGroundEnterprisesCo.,Ltd Room607,BuildingF,MingYueHuaDu,GongheIndustrialRd, Xixiang,BaoAnDistrict,Shenzhen,China Manufacturer:ShenzhenGroundEnterprisesCo.,Ltd Room607,BuildingF,MingYueHuaDu,GongheIndustrialRd, Xixiang,BaoAnDistrict,Shenzhen,China ProductDescription:METALLICTWSEARBUDS TradeMark:VIVITAR,GROUND ModelNumber: VZ40031W,VZ40031W-SIL-N,VZ40031W-BLK-N, VZ40031W-RG-N(Allmodelsarethesameexceptthemodelorthe shellcoloraredifferent,wechoosemodel:VZ40031Wforalltests) Weherebycertifythat: TheaboveequipmentwastestedbyDongGuanAnciElectronicTechnologyCo., Ltd.Thetestdata,dataevaluation,testprocedures,andequipmentconfigurations showninthisreportweremadeinaccordancewiththeproceduresgiveninANSI C63.10-2013andtheenergyemittedbythesampleEUTtestedasdescribedinthis reportisincompliancewithconductedandradiatedemissionlimitsofFCCRulesPart 15.247(2019). DateofTest:August08,2020toAugust14,2020 Prepared/Tested by: TomasYang/ProjectEngineer Approved& AuthorizedSigner: AlanHe/Manager ReportNo.:EA2008099F01001 3 of 79 TRFNo.:FCC15.247/ARev.1.0 ModifiedInformation VersionSummaryRevisionDateReportNo. Ver.1.0OriginalReport/EA2008099F01001 ReportNo.:EA2008099F01001 4 of 79 TRFNo.:FCC15.247/ARev.1.0 TableofContents 1.GENERALINFORMATION..........................................................................................................6 1.1PRODUCTDESCRIPTION..............................................................................................................................6 1.2TESTMETHODOLOGY...................................................................................................................................6 1.3TESTFACILITY..............................................................................................................................................7 2.SYSTEMTESTCONFIGURATION...............................................................................................8 2.1EUTCONFIGURATION...................................................................................................................................8 2.2EUTEXERCISE......................................................................................................................................8 2.3TESTPROCEDURE......................................................................................................................................8 2.4CONFIGURATIONOFTESTEDSYSTEM.........................................................................................................9 3.SUMMARYOFTESTRESULTS.................................................................................................10 4.DESCRIPTIONOFTESTMODES...............................................................................................11 5.TESTSYSTEMUNCERTAINTY..................................................................................................12 6.CONDUCTEDEMISSIONSTEST................................................................................................13 6.1MEASUREMENTPROCEDURE:.....................................................................................................................13 6.2TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION)..........................................................................13 6.3MEASUREMENTEQUIPMENTUSED:...........................................................................................................13 6.4MEASUREMENTRESULT:...........................................................................................................................14 7.RADIATEDEMISSIONTEST........................................................................................................15 7.1MEASUREMENTPROCEDURE......................................................................................................................15 7.2TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION)...........................................................................17 7.3MEASUREMENTEQUIPMENTUSED:..........................................................................................................18 7.4RADIATEDEMISSIONLIMIT........................................................................................................................19 7.5MEASUREMENTRESULT..........................................................................................................................20 7.5RADIATEDMEASUREMENTPHOTOS:.........................................................................................................28 8.CHANNELSEPARATIONTEST..................................................................................................29 8.1MEASUREMENTPROCEDURE......................................................................................................................29 8.2TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION)...........................................................................29 8.3MEASUREMENTEQUIPMENTUSED:…
Text truncated - open the document above for the full version.
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 3.10 mW |

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