2ACP4BTO100Bluetooth Earbuds

Sentry Industries limited

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Application Details

Equipment Class: DSS - Part 15 Spread Spectrum Transmitter
Date of Grant: Oct 13, 2024
Application Purpose: Original Equipment
Date of Application: Oct 13, 2024
Equipment Note: Bluetooth Earbuds
Frequency Range: 2402.00000000 - 2480.00000000
Company: Sentry Industries limited
Country: China

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Attestation Statements

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2ACP4BTO100 BTO100, BTO100B, BTO100W, BTO100C, BTO150, BTO155 We, Applicant Company Name: Sentry Industries limited Address: UNIT 904, 9/F CHINACHEM GOLDEN PLAZA, 77 MODY ROAD, TSIM SHA TSUI EAST, KOWLOON, HONG KONG, China Phone: +852-23684777 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2024-10-11 Signature Date Name / Title: Peetu Melwani / Manager Company: Sentry Industries limited Address: UNIT 904, 9/F CHINACHEM GOLDEN PLAZA, 77 MODY ROAD, TSIM SHA TSUI EAST, KOWLOON, HONG KONG, China Phone: +852-23684777 Fax: +852-23684777 E-Mail: [email protected]

Cover Letter(s)

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2ACP4BTO100 BTO100, BTO100B, BTO100W, BTO100C, BTO150, BTO155 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2024-10-11 Signature Date Name / Title: Peetu Melwani / Manager Company: Sentry Industries limited Address: UNIT 904, 9/F CHINACHEM GOLDEN PLAZA, 77 MODY ROAD, TSIM SHA TSUI EAST, KOWLOON, HONG KONG, China Phone: +852-23684777 Fax: +852-23684777 E-Mail: [email protected]

Cover Letter(s)

Sentry Industries limited UNIT 904, 9/F CHINACHEM GOLDEN PLAZA, 77 MODY ROAD, TSIM SHA TSUI EAST, KOWLOON, HONG KONG, China Date: October 11, 2024 FCC ID: 2ACP4BTO100 Model Number: BTO100, BTO100B, BTO100W, BTO100C, BTO150, BTO155 To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, Sentry Industries limited hereby declare that our product (Bluetooth Earbuds) Model Number: BTO100, BTO100B, BTO100W, BTO100C, BTO150, BTO155 board, Schematic, Hardware version, Software version, structure and internal photos are same, named and appearance differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Peetu Melwani / Manager Company: Sentry Industries limited Address: UNIT 904, 9/F CHINACHEM GOLDEN PLAZA, 77 MODY ROAD, TSIM SHA TSUI EAST, KOWLOON, HONG KONG, China Phone: +852-23684777 Fax: +852-23684777 E-Mail: [email protected]

External Photos

ID Label/Location Info

Page1of1FCCID:2ACP4BTO100 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity LABELANDLOCATION (Size:L4.5cmxW2.0cm) LabelLocation BluetoothEarbuds M ode l:BT O 1 00 FCCID:2ACP4BTO100

Internal Photos

RF Exposure Info

Page1of4FCCID:2ACP4BTO100 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCRFExposureEvaluation 1.ProductInformation FCCID:2ACP4BTO100 Productname:BluetoothEarbuds TestModel:BTO100 AdditionalModelNo.:BTO100B,BTO100W,BTO100C,BTO150,BTO155 ModelDeclaration:PCBboard,structureandinternalofthesemodel(s)arethesame, Sonoadditionalmodelsweretested Ratings: Input:DC5V,1A DC3.7VbyRechargeableLi-ionBattery,40mAh HardwareVersion:XL-BTO100-AC7006F-V1.0-20240725 SoftwareVersion XL-BTO100-188 ENC-ZK_AC7006F4_BTO100_1D43B23A_240903 Bluetooth:2402MHz~2480MHz ChannelNumber: 79channelsforBluetoothV5.4(DSS) 40channelsforBluetoothV5.4(DTS) ChannelSpacing: 1MHzforBluetoothV5.4(DSS) 2MHzforBluetoothV5.4(DTS) ModulationType: GFSK,π/4-DQPSKforBluetoothV5.4(DSS) GFSKforBluetoothV5.4(DTS) BluetoothVersion:V5.4 AntennaType:InternalAntenna AntennaGain:2.78dBi Exposurecategory:Generalpopulation/uncontrolledenvironment EUTType:ProductionUnit DeviceType:PortableDevice 2.EvaluationmethodandLimit AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSAR testexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDB procedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulation exposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition,listedbelow,issatisfied.Thesetest exclusionconditionsarebasedonsource-basedtime-averagedmaximumconductedoutputpower oftheRFchannelrequiringevaluation,adjustedfortune-uptolerance,andtheminimumtest separationdistancerequiredfortheexposureconditions.22Theminimumtestseparationdistance isdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresoroutersurfaceof thedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements,toany partofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbythe operatingconfigurationsandexposureconditionsofthetransmitterandapplicablehostplatform requirements,typicallyintheSARmeasurementorSARanalysisreport,accordingtotherequired publishedRFexposureKDBprocedures.WhennootherRFexposuretestingorreportingis required,astatementofjustificationandcompliancemustbeincludedintheequipmentapproval,in Page2of4FCCID:2ACP4BTO100 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity lieuoftheSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfiedbefore applyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-wayradios,handsets, laptops&tabletsetc.“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingtof)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportablehost platformexposureconditions.ThegranteeisresponsiblefordocumentingthisaccordingtoClassI permissivechangerequirements.AntennasthatqualifyforstandaloneSARtestexclusionmust applytheestimatedstandaloneSARtodeterminesimultaneoustransmissiontestexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantennaconfiguration, adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is≤ 1.0. 3.ReferEvaluationMethod ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadio FrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevices RFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices 4.ConductedPowerResults <BT> ModeChannel Frequency(MHz)PeakConductedOutputPower(dBm) GFSK 02402 -0.09 392441 -0.8 782480-0.49 π/4DQPSK 02402 -0.04 392441 -0.76 782480 -0.22 Page3of4FCCID:2ACP4BTO100 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity <BLE> ModeChannelFrequency(MHz) PeakConductedOutputPower(dBm) GFSK 02402 0.78 192440 0.56 392480 -0.53 5.ManufacturingTolerance <BT> GFSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)000 Tolerance±(dB)1.01.01.0 π/4DQPSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)000 Tolerance±(dB)1.01.01.0 <BLE> GFSK(Peak) ChannelChannel0Channel19Channel39 Target(dBm)000 Tolerance±(dB)1.01.01.0 6.EvaluationResults 6.1StandaloneEvaluation Band/Mode f (GHz) Antenna Distance (mm) RFoutputpower SARTest Exclusion Threshold SARTest Exclusion dBmmW BT GFSK2.48051.01.25890.3965<3.0Yes π/4DQPSK2.48051.01.25890.3965<3.0Yes BLEGFSK2.48051.01.25890.3965<3.0Yes Remark…

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Test Report

PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 1 SPECIFICATIONS CUSTOMER: DESCRIPTION:GeomagneticAntenna CUSTOMERPARTNO: OURMODELNO: PBX1608MA02 DATE: PLEASERETURNTOUSONECOPYOF“SPECIFICATIONFORAPPROVAL” WITHYOURAPPROVEDSIGNATURES ApprovedLiuFeiAuditLiuFeiMakingLiuXiaoMei CustomerAcknowledgesSignature Date PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 2 PBX1608MA02Specification OperatingTemp.:-40 °C ~+85 °C 1.FEATURES: ●Lightweight,compact ●Widebandwidth,lowcost ●Built-inantennawithhighgain 2.APPLICATIONS: ●Bluetooth,WirelessLAN,MobileTV ●HomeRFSystem,etc 3.PRODUCTIDENTIFICATION (1)(2)(3) (1)Producttype:MultilayerchipAntenna (2)CenterFrequency:2450MHz (3)ExternalDimensions(L×W)(mm):1.6*0.8 4.SHAPEANDDIMENSIONS: LWHA 1.60±0.200.80±0.20 0.80±0.200.30±0.10 CH IP45 016 2 08 PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 3 ●AntennaislocatedinthePCBboardorthemiddleposition(long-barheadphones):(units:mm) Theantennaisoptimallyplacedinthemiddlearea,andatleastonerowofthroughholes aroundtheclearanceareaisoptimallyrequired. ●WhentheantennaislocatedattheedgeofthePCBboard(in-earheadphonesandsome long-barheadphones): Theantennaisoptimallyplaced ontheedgeofthePCBA;theantennaand itsalignmentaresetonasinglelayer. Designcriteria:： 1.Thedimensionsinthediagramareforreferenceonly;theactualdimensionsareoptimizedfor differentversions. 2.Theoptimumclearanceareaaroundtheneedforatleastarowofholes,aperture0.3mm,and otherPCBAcircuitormaterialisolation. PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 4 AntennaPackageScheme1 （ 3.5mm × 7.5mm） PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 5 AntennaPackageSchemeII （ 4.5mm × 6mm） PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 6 AntennaPackageSchemeIII （ 1.5mm × 10mm） PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 7 ElectricalCharacteristics CharacteristicCurves PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 8 RadiationPattern PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTH…

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Test Report

Page 1 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity AppendixA RFTestDataforBT(ConductedMeasurement) ProductName:BluetoothEarbuds TestModel:BTO100 EnvironmentalConditions Temperature: 23.8  C RelativeHumidity:52.1% ATMPressure:100.0kPa TestEngineer:JayLuo Supervisedby:NickPeng Page 2 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.1-20dBBandwidth ConditionModeFrequency(MHz)Antenna-20dBBandwidth(MHz)Limit-20dBBandwidth(MHz)Verdict NVNT1-DH52402Ant10.956N/APass NVNT1-DH52441Ant10.966N/APass NVNT1-DH52480Ant10.941N/APass NVNT2-DH52402Ant11.283N/APass NVNT2-DH52441Ant11.32N/APass NVNT2-DH52480Ant11.286N/APass Page 3 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs -20dBBandwidthNVNT1-DH52402MHzAnt1 -20dBBandwidthNVNT1-DH52441MHzAnt1 Page 4 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity -20dBBandwidthNVNT1-DH52480MHzAnt1 -20dBBandwidthNVNT2-DH52402MHzAnt1 Page 5 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity -20dBBandwidthNVNT2-DH52441MHzAnt1 -20dBBandwidthNVNT2-DH52480MHzAnt1 Page 6 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.2MaximumPeakConductedOutputPower ConditionModeFrequency(MHz)AntennaConductedPower(dBm)Limit(dBm)Verdict NVNT1-DH52402Ant1-0.0921Pass NVNT1-DH52441Ant1-0.821Pass NVNT1-DH52480Ant1-0.4921Pass NVNT2-DH52402Ant1-0.0421Pass NVNT2-DH52441Ant1-0.7621Pass NVNT2-DH52480Ant1-0.2221Pass Page 7 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs PowerNVNT1-DH52402MHzAnt1 PowerNVNT1-DH52441MHzAnt1 Page 8 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity PowerNVNT1-DH52480MHzAnt1 PowerNVNT2-DH52402MHzAnt1 Page 9 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity PowerNVNT2-DH52441MHzAnt1 PowerNVNT2-DH52480MHzAnt1 Page 10 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.3CarrierFrequenciesSeparation ConditionModeAntennaHoppingFreq1(MHz)HoppingFreq2(MHz)HFS(MHz)Limit(MHz)Verdict NVNT1-DH5Ant12401.8342402.8320.9980.644Pass NVNT2-DH5Ant12402.0342402.9960.9620.880Pass Page 11 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs CFSNVNT1-DH52402MHzAnt1 CFSNVNT2-DH52402MHzAnt1 Page 12 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.4DwellTime ConditionModeFrequency (MHz) AntennaPulseTime (ms) TotalDwellTime (ms) Burst Count PeriodTime (ms) Limit (ms) Verdict NVNT1-DH52402Ant12.91325.9211231600400Pass NVNT2-DH52402Ant12.898341.96411831600400Pass Page 13 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs DwellNVNT1-DH52402MHzAnt1OneBurst DwellNVNT1-DH52402MHzAnt1Accumulated Page 14 of 42 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330…

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Test Report

Page 1 of 37 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT FOR SentryIndustrieslimited BluetoothEarbuds TestModel:BTO100 AdditionalModelNo.:PleaseRefertoPage6 Preparedfor:SentryIndustrieslimited Address: UNIT904,9/FCHINACHEMGOLDENPLAZA,77MODYROAD, TSIMSHATSUIEAST,KOWLOON,HONGKONG,China Preparedby:ShenzhenLCSComplianceTestingLaboratoryLtd. Address: 101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China Tel:(+86)755-82591330 Fax:(+86)755-82591332 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:September10,2024 Numberoftestedsamples:2 SampleNo. ： A240827016-1,A240827016-2 Serialnumber:Prototype DateofTest:September10,2024~September19,2024 DateofReport:September20,2024 Page 2 of 37 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT FCCCFR47PART15C(15.247) ReportReferenceNo......................:LCSA09094087EA DateofIssue.......................................:September20,2024 TestingLaboratoryName..............:ShenzhenLCSComplianceTestingLaboratoryLtd. Address................................................: 101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China TestingLocation/Procedure............ : FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................: SentryIndustrieslimited Address................................................: UNIT904,9/FCHINACHEMGOLDENPLAZA,77MODYROAD, TSIMSHATSUIEAST,KOWLOON,HONGKONG,China TestSpecification Standard..............................................:FCCCFR47PART15C(15.247) TestReportFormNo.........................:TRF-4-E-148A/0 TRFOriginator....................................:ShenzhenLCSComplianceTestingLaboratoryLtd. MasterTRF.........................................:Dated2011-03 ShenzhenLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenLCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceofthe material.ShenzhenLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnot assumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoits placementandcontext. TestItemDescription........................:BluetoothEarbuds TradeMark..........................................:SENTRY TestModel...........................................:BTO100 Ratings................................................. : Input:DC5V,1A DC3.7VbyRechargeableLi-ionBattery,40mAh Result..................................................:Positive Compiledby:Supervisedby:Approvedby: LingZhu/AdministratorCaryLuo/TechniqueprincipalGavinLiang/Manager Page 3 of 37 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCC--TESTREPORT TestResult Positive Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. TestReportNo.:LCSA09094087EA September20,2024 Dateofissue TestModel.............................. : BTO100 EUT......................................... : BluetoothEarbuds Applicant...............................:SentryIndustrieslimited Address...................................:UNIT904,9/FCHINACHEMGOLDENPLAZA,77MODY ROAD,TSIMSHATSUIEAST,KOWLOON,HONG KONG,China Telephone...............................:/ Fax..........................................:/ Manufacturer.........................:SentryIndustrieslimited Address...................................: UNIT904,9/FCHINACHEMGOLDENPLAZA,77MODY ROAD,TSIMSHATSUIEAST,KOWLOON,HONG KONG,China Telephone...............................: Fax..........................................: Factory...................................:SentryIndustrieslimited Address...................................:UNIT904,9/FCHINACHEMGOLDENPLAZA,77MODY ROAD,TSIMSHATSUIEAST,KOWLOON,HONG KONG,China Telephone...............................:/ Fax..........................................:/ Page 4 of 37 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity RevisionHistory ReportVersionIssueDateRevisionContentRevisedBy 000September20,2024InitialIssue--- Page 5 of 37 FCCID:2ACP4BTO100ReportNo.:LCSA09094087EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxue…

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Contact Information

Applicant

Peetu Melwani(Manager)

[email protected]+852-23684777Fax: +852-23685777

Test Firm

Shenzhen LCS Compliance Testing Laboratory Ltd.Gavin Liang

[email protected]0755-82591330Fax: 0755-82591132

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	990.00 µW

Confidentiality

Long Term

Grant Notes

Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance.