2BCC8-TB78Asmart watch

ShenzhenLuomandiElectronicTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 7/29/24 U.S.AgentDesignation ShenzhenLuomandiElectronicTechnologyCo.,Ltdacknowledgestheirconsentforthefollowingcontact locatedintheUnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorization issought(FCCID:2BCC8-TB78A): NameandcompanyofU.S.agent:SUNBEYONDCONSULTINGLTD PhysicalU.S.addressofagent:OFFICENO.448,4THFLOOR,90CANALSTREET,BOSTON,MA FRNofU.S.agent:0033598426 EmailaddressofU.S.agent:[email protected] SUNBEYONDCONSULTINGLTDacknowledgestheirobligationtoacceptserviceofprocessonbehalfof ShenzhenLuomandiElectronicTechnologyCo.,Ltd. ShenzhenLuomandiElectronicTechnologyCo.,LtdwiththeFRN0034082107acceptsitsobligationto maintainanagentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheveris later. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirementslistedunder§ 2.911(d)(7). TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB 986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotify theFCCwithin30daysviathegrantingTCB. Sincerely, Signature HaiWang manager ShenzhenLuomandiElectronicTechnologyCo.,Ltd Signature Pater SUNBEYONDCONSULTINGLTD 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5

Covered Equipment Identification 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 Section 2.911(d)(5)(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows: We, applicant Company Name: Shenzhen Luomandi Electronic Technology Co., Ltd Address: Longhua Dist, Minzhi St, 810 Mintai Bldg, No. 241 Minzhi Ave, Shenzhen, China Phone: +86-13316922587 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, Signature Date:2024-07-29 Name / Title: Hai Wang / Manager Company: Shenzhen Luomandi Electronic Technology Co., Ltd Address: Longhua Dist, Minzhi St, 810 Mintai Bldg, No. 241 Minzhi Ave, Shenzhen, China Phone: +86-13316922587 Fax: N/A E-Mail: [email protected]

Covered Equipment Attestation 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 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 2BCC8-TB78A TB78A, TB71A, TB74A, TB82A We, applicant Company Name: Shenzhen Luomandi Electronic Technology Co., Ltd Address: Longhua Dist, Minzhi St, 810 Mintai Bldg, No. 241 Minzhi Ave, Shenzhen, China Phone: +86-13316922587 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. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2024-07-29 Name / Title: Hai Wang / Manager Company: Shenzhen Luomandi Electronic Technology Co., Ltd Address: Longhua Dist, Minzhi St, 810 Mintai Bldg, No. 241 Minzhi Ave, Shenzhen, China Phone: +86-13316922587 Fax: N/A E-Mail: [email protected]

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 2BCC8-TB78A TB78A, TB71A, TB74A, TB82A For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • Part List • Tune up Procedure 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, Signature Date:2024-07-29 Name / Title: Hai Wang / Manager Company: Shenzhen Luomandi Electronic Technology Co., Ltd Address: Longhua Dist, Minzhi St, 810 Mintai Bldg, No. 241 Minzhi Ave, Shenzhen, China Phone: +86-13316922587 Fax: N/A E-Mail: [email protected]

Shenzhen Luomandi Electronic Technology Co., Ltd Longhua Dist, Minzhi St, 810 Mintai Bldg, No. 241 Minzhi Ave, Shenzhen, China Date: July 29, 2024 FCC ID: 2BCC8-TB78A Model Number: TB78A, TB71A, TB74A, TB82A To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, Shenzhen Luomandi Electronic Technology Co., Ltd hereby declare that our product (smart watch) Model Number: TB78A, TB71A, TB74A, TB82A 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: Hai Wang / Manager Company: Shenzhen Luomandi Electronic Technology Co., Ltd Address: Longhua Dist, Minzhi St, 810 Mintai Bldg, No. 241 Minzhi Ave, Shenzhen, China Tel: +86-13316922587 Fax: N/A E-Mail: [email protected]

Page1of15FCCID:2BCC8-TB78A 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 ExternalPhotosoftheEUT Fig.1 Model:TB78A Fig.2 Page2of15FCCID:2BCC8-TB78A 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 Fig.3 Fig.4 Page3of15FCCID:2BCC8-TB78A 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 Fig.5 Fig.6 Page4of15FCCID:2BCC8-TB78A 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 Fig.7 Fig.8 Page5of15FCCID:2BCC8-TB78A 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 Model:TB71A Fig.9 Fig.10 Page6of15FCCID:2BCC8-TB78A 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 Fig.11 Fig.12 Page7of15FCCID:2BCC8-TB78A 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 Fig.13 Fig.14 Page8of15FCCID:2BCC8-TB78A 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 Fig.15 Model:TB74A Fig.16 Page9of15FCCID:2BCC8-TB78A 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 Fig.17 Fig.18 Page10of15FCCID:2BCC8-TB78A 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 Fig.19 Fig.20 Page11of15FCCID:2BCC8-TB78A 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 Fig.21 Fig.22 Page12of15FCCID:2BCC8-TB78A 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 Model:TB82A Fig.23 Fig.24 Page13of15FCCID:2BCC8-TB78A 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 Fig.25 Fig.26 Page14of15FCCID:2BCC8-TB78A 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 Fig.27 Fig.28 Page15of15FCCID:2BCC8-TB78A 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 Fig.29 Fig.30

Page1of1FCCID:2BCC8-TB78A 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:L2.0cmxW1.0cm) LabelLocation smartwatch Model:TB78A FCCID:2BCC8-TB78A

Page1of18FCCID:2BCC8-TB78A 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 InternalPhotosoftheEUT Model:TB78A Fig.1 Fig.2 Page2of18FCCID:2BCC8-TB78A 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 Fig.3 Fig.4 Page3of18FCCID:2BCC8-TB78A 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 Fig.5 Fig.6 Page4of18FCCID:2BCC8-TB78A 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 Fig.7 Fig.8 Antenna Page5of18FCCID:2BCC8-TB78A 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 Fig.9 Model:TB71A Fig.10 Page6of18FCCID:2BCC8-TB78A 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 Fig.11 Fig.12 Page7of18FCCID:2BCC8-TB78A 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 Fig.13 Fig.14 Page8of18FCCID:2BCC8-TB78A 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 Fig.15 Fig.16 Page9of18FCCID:2BCC8-TB78A 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 Fig.17 Fig.18 Page10of18FCCID:2BCC8-TB78A 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 Model:TB74A Fig.19 Fig.20 Page11of18FCCID:2BCC8-TB78A 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 Fig.21 Fig.22 Page12of18FCCID:2BCC8-TB78A 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 Fig.23 Fig.24 Page13of18FCCID:2BCC8-TB78A 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 Fig.25 Fig.26 Page14of18FCCID:2BCC8-TB78A 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 Fig.27 Model:TB82A Fig.28 Page15of18FCCID:2BCC8-TB78A 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 Fig.29 Fig.30 Page16of18FCCID:2BCC8-TB78A 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 Fig.31 Fig.32 Page17of18FCCID:2BCC8-TB78A 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 Fig.33 Fig.34 Page18of18FCCID:2BCC8-TB78A 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 Fig.35 Fig.36

Page1of4FCCID:2BCC8-TB78A 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:2BCC8-TB78A Productname:smartwatch TestModel:TB78A AdditionalModelNo.:TB71A,TB74A,TB82A ModelDeclaration:PCBboard,structureandinternalofthesemodel(s)arethesame,Sono additionalmodelsweretested Ratings:Input:DC5V,500mA,Max2.5W Output:DC5V,500mA DC3.7VbyRechargeableBattery,190mAh HardwareVersion:TS12-2 SoftwareVersion:TBWATCH FrequencyRange:2402MHz~2480MHz ChannelNumber:79channelsforBluetoothV5.3(DSS) 40channelsforBluetoothV5.3(DTS) ChannelSpacing:1MHzforBluetoothV5.3(DSS) 2MHzforBluetoothV5.3(DTS) ModulationType:GFSK,π/4-DQPSKforBluetoothV5.3(DSS) GFSKforBluetoothV5.3(DTS) BluetoothVersion:V5.3 AntennaDescription:InternalAntenna,-6.57dBi(Max.) 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 Page2of4FCCID:2BCC8-TB78A 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 required,astatementofjustificationandcompliancemustbeincludedintheequipmentapproval,in 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 Page3of4FCCID:2BCC8-TB78A 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 4.ConductedPowerResults <BT> ModeChannelFrequency(MHz)PeakConductedOutputPower(dBm) GFSK 02402-1.05 392441-0.58 782480-0.36 π/4DQPSK 02402-0.67 392441-0.11 7824800.03 <BLE2M> ModeChannelFrequency(MHz) PeakConductedOutputPower(dBm) GFSK 02402-0.69 192440-0.16 3924800.25 5.ManufacturingTolerance <BT> GFSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)-1.000 Tolerance±(dB)1.01.01.0 π/4DQPSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)000 Tolerance±(dB)1.01.01.0 <BLE2M> GFSK(Peak) ChannelChannel0Channel19Channel39 Target(dBm)000 Tolerance±(dB)1.01.01.0 Page4of4FCCID:2BCC8-TB78A 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 6.EvaluationResults 6.1StandaloneEvaluation Band/Mode F…

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Antenna Study  Project Name ： smart watch  Debugging frequency band: 2400 ‐ 2500HMz  Valuation date ： 2023.08.12 08  Client Name: Shenzhen Luomandi Electronic Technology Co., Ltd 1 Room 101, Building 2, No. 9 Xinfa Road, Lincun, Tangxia Town, Dongguan City, Guangdong, China Internal Antenna 2 Testing 3D microwave darkroom(6m*6m*6m) Testing environment External Antenna 3 Antenna • Antenna name: 2.4G • Antenna Type ： Monopole • Covers ： 2.4G 4 S Parameter_Return Loss&VSWR 5 Efficiency and Gain‐Smith Frequency ID 1 2 3 4 5 6 7 8 9 10 11 Frequency (MHz) 2400.0 2410.0 2420.0 2430. 0 2440.0 2450.0 2460.0 2470.0 2480.0 2490.0 2500.0 Gain (dBi) -6.57-6.60-6.82-7.08-7.32-7.40-7.48-7.50-7.82-8.34-8.43 Efficiency (%) 2.12 2.05 2.01 1.99 1.99 2.03 1.97 1.88 1.72 1.48 1.41 2400.0MHz H+V, Eff: 2.1%Back View2400.0MHz Total(E1-XZ), Max= -14.93dBi2400.0MHz Total(E2-YZ), Max= -13.46dBiTotal(H-XY), Max= -9.08dBi, CirD=12.14 -6.57 -8.41 -10.25 -12.09 -13.94 -15.78 -17.62 -19.46 -21.3 -23.15 -24.99 -26.83 -28.67 -30.52 -32.36 -34.2 -36.04 -37.88 2410.0MHz H+V, Eff: 2.1%Back View2410.0MHz Total(E1-XZ), Max= -14.79dBi2410.0MHz Total(E2-YZ), Max= -13.38dBiTotal(H-XY), Max= -9.38dBi, CirD=12.30 -6.6 -8.44 -10.28 -12.12 -13.97 -15.81 -17.65 -19.49 -21.33 -23.18 -25.02 -26.86 -28.7 -30.54 -32.39 -34.23 -36.07 -37.91 2420.0MHz H+V, Eff: 2.0%Back View2420.0MHz Total(E1-XZ), Max= -14.94dBi2420.0MHz Total(E2-YZ), Max= -13.26dBiTotal(H-XY), Max= -9.72dBi, CirD=13.07 -6.82 -8.66 -10.51 -12.35 -14.19 -16.03 -17.87 -19.72 -21.56 -23.4 -25.24 -27.08 -28.93 -30.77 -32.61 -34.45 -36.29 -38.14 2430.0MHz H+V, Eff: 2.0%Back View2430.0MHz Total(E1-XZ), Max= -15.43dBi2430.0MHz Total(E2-YZ), Max= -13.45dBiTotal(H-XY), Max= -10.21dBi, CirD=13.58 -7.08 -8.92 -10.76 -12.6 -14.45 -16.29 -18.13 -19.97 -21.81 -23.66 -25.5 -27.34 -29.18 -31.03 -32.87 -34.71 -36.55 -38.39 2440.0MHz H+V, Eff: 2.0%Back View2440.0MHz Total(E1-XZ), Max= -15.74dBi2440.0MHz Total(E2-YZ), Max= -13.67dBiTotal(H-XY), Max= -10.15dBi, CirD=14.25 -7.32 -9.17 -11.01 -12.85 -14.69 -16.53 -18.38 -20.22 -22.06 -23.9 -25.74 -27.59 -29.43 -31.27 -33.11 -34.95 -36.8 -38.64 2450.0MHz H+V, Eff: 2.0%Back View2450.0MHz Total(E1-XZ), Max= -15.35dBi2450.0MHz Total(E2-YZ), Max= -13.62dBiTotal(H-XY), Max= -9.65dBi, CirD=15.21 -7.4 -9.24 -11.08 -12.93 -14.77 -16.61 -18.45 -20.29 -22.14 -23.98 -25.82 -27.66 -29.5 -31.35 -33.19 -35.03 -36.87 -38.72 2460.0MHz H+V, Eff: 2.0%Back View2460.0MHz Total(E1-XZ), Max= -15.48dBi2460.0MHz Total(E2-YZ), Max= -13.71dBiTotal(H-XY), Max= -9.53dBi, CirD=15.03 -7.48 -9.32 -11.16 -13 -14.85 -16.69 -18.53 -20.37 -22.21 -24.06 -25.9 -27.74 -29.58 -31.43 -33.27 -35.11 -36.95 -38.79 2470.0MHz H+V, Eff: 1.9%Back View2470.0MHz Total(E1-XZ), Max= -15.60dBi2470.0MHz Total(E2-YZ), Max= -13.84dBiTotal(H-XY), Max= -9.76dBi, CirD=13.97 -7.5 -9.34 -11.19 -13.03 -14.87 -16.71 -18.55 -20.4 -22.24 -24.08 -25.92 -27.76 -29.61 -31.45 -33.29 -35.13 -36.97 -38.82 2480.0MHz H+V, Eff: 1.7%Back View2480.0MHz Total(E1-XZ), Max= -15.64dBi2480.0MHz Total(E2-YZ), Max= -14.21dBiTotal(H-XY), Max= -10.41dBi, CirD=13.67 -7.82 -9.67 -11.51 -13.35 -15.19 -17.03 -18.88 -20.72 -22.56 -24.4 -26.24 -28.09 -29.93 -31.77 -33.61 -35.45 -37.3 -39.14 2490.0MHz H+V, Eff: 1.5%Back View2490.0MHz Total(E1-XZ), Max= -16.34dBi2490.0MHz Total(E2-YZ), Max= -14.92dBiTotal(H-XY), Max= -11.17dBi, CirD=14.83 -8.34 -10.19 -12.03 -13.87 -15.71 -17.56 -19.4 -21.24 -23.08 -24.92 -26.77 -28.61 -30.45 -32.29 -34.13 -35.98 -37.82 -39.66 2500.0MHz H+V, Eff: 1.4%Back View2500.0MHz Total(E1-XZ), Max= -16.76dBi2500.0MHz Total(E2-YZ), Max= -15.22dBiTotal(H-XY), Max= -11.15dBi, CirD=15.38 -8.43 -10.27 -12.11 -13.95 -15.8 -17.64 -19.48 -21.32 -23.16 -25.01 -26.85 -28.69 -30.53 -32.37 -34.22 -36.06 -37.9 -39.74

Page 1 of 42 FCCID:2BCC8-TB78AReportNo.:LCSA07164052EA 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:smartwatch TestModel:TB78A EnvironmentalConditions Temperature: 23.8C RelativeHumidity:52.1% ATMPressure:100.0kPa TestEngineer: PaddiChen Supervisedby:NickPeng Page 2 of 42 FCCID:2BCC8-TB78AReportNo.:LCSA07164052EA 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-DH52402Ant10.944N/APass NVNT1-DH52441Ant10.993N/APass NVNT1-DH52480Ant10.935N/APass NVNT2-DH52402Ant11.285N/APass NVNT2-DH52441Ant11.282N/APass NVNT2-DH52480Ant11.285N/APass Page 3 of 42 FCCID:2BCC8-TB78AReportNo.:LCSA07164052EA 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:2BCC8-TB78AReportNo.:LCSA07164052EA 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:2BCC8-TB78AReportNo.:LCSA07164052EA 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:2BCC8-TB78AReportNo.:LCSA07164052EA 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-DH52402Ant1-1.0521Pass NVNT1-DH52441Ant1-0.5821Pass NVNT1-DH52480Ant1-0.3621Pass NVNT2-DH52402Ant1-0.6721Pass NVNT2-DH52441Ant1-0.1121Pass NVNT2-DH52480Ant10.0321Pass Page 7 of 42 FCCID:2BCC8-TB78AReportNo.:LCSA07164052EA 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:2BCC8-TB78AReportNo.:LCSA07164052EA 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:2BCC8-TB78AReportNo.:LCSA07164052EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scanco…

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