2A82I-DX21004Corner atmosphere light (Bluetooth)

Agent Dongguan DaXian Lighting Technology CO., LTD Authorization Company:Dongguan DaXian Lighting Technology CO., LTD Address:No. 72, Tai'an, Liyuan Road, Zhangmutou town, Dongguan City, Guangdong Province Date: We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our Name: Corner atmosphere light (Bluetooth) Model Number(s): DX21004-03,DX21004-01,DX21004-05,DX21004-07,DX21004-XX (XX=01-10) Equipment Description: Corner atmosphere light (Bluetooth) We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. own. Oct. 18, 2022 Signature: Name: Title: Xing Liu Manager Company: Dongguan DaXian Lighting Technology CO., LTD

DongguanDaXianLightingTechnologyCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:Date:Oct18,2022 Subject;RequestforConfidentiality FCCID:2A82I-DX21004 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:XingLui Title:Manager

DongguanDaXianLighting TechnologyCO.,LTD ModelConfirmationLette FCCID:2A82I-DX21004 r Signiture We,Dongguan DaXian Lighting Technology CO., LTD, certify the product: Corner atmosphere light (Bluetooth), Model No.:DX21004-03,DX21004- 01,DX21004-05,DX21004-07,DX21004-XX(XX=01-10) Their electrical circuit design, layout, components used and internal wiring are identical, Only the Model will be different ,so the name will be different. Test sample model: DX21004-03 : GranteeContact:XingLiu CompanyName:DongguanDaXianLightingTechnologyCO.,LTD Date:2022-10-24

FCCID:2A82I-DX21004

Label:90*5 0 mm

FCC ID: 2A82I-DX21004 BLEAntenna433MHzAntenna(Receiving)

RF Exposur e Evalua tion Ac cord ing to KD B4 47498D01 Genera l RF Ex posure Guidance v06 4.3.1. St andalone SARtest exclusion considera tions Unless specifically re quire d by the published RF exposure KD B pro cedure s, standalone 1-g head or body and 10-g extre mity SARevaluation for genera l population exposure conditions, by measure ment or numeri cal simulation, is not re quire d when the corre sponding SAR Ex clusion Thre shold condition, listed below, is satisfied. Limits According to FCC Part1 .1 310: The crite ria liste d in th e following ta ble shall be used to evaluate th e environment impact of human exposure to radio frequency (RF) radiati on as specified in part1 .1307(b FCC ID:2A82I-DX21004 ) F= Frequency in MHz Friis Formula Friis tr ansmission formula: Pd = (Pout* G)/( 4* Pi * R 2) Where Pd = power density in mW/cm2 Pout = output power to antenna in mW G = gain of antenna in linear sc ale Pi = 3.1 416 R = dista nce betw een observati on point and cente r of th e radiato r in cm Pd id th e limit of MPE . If we know th e maximum gain of th e ante nna and th e to ta l power input to th e ante nna, th rough th e calculati on, we will know th e dista nce r where th e MPE limit is reached. Test Result of RF Ex p osure Ev aluati on EDR/BLE-PCB ANT: 0 dBi Antenna Gain: The maximum Gain measured in fu lly anechoic chamber is 1.0 in linear scale. Outp ut Power In to Ante nna & RF Exposure Evaluati on Dista nce: Measurement Data The Max Conducte d Peak Outp ut Power data refe r to report Report No.:Z KT-220927L7241 BLE-worst mode and channel: Test channel Outp ut Power (dBm) Tune up to lerance (dBm) Maximum tu ne-up Power Calculated value Limit (dBm)(mW) (BLE) GFSK Highest channel 3.1 74±153. 1620.0 006291.0

2、External view drawing: Picture of antenna Antenna describe 1.Antenna describe: Anetenna plate PCB antenna Make name/model name Anetenna gain 0dBi frequency range 2.4GHz-2.483GHz Connector type direct Location of mearement(company name) WMIC_2021A11C10

ProjectNo.:ZKT-220927L7241 Page 1 of 39 FCCTESTREPORT FCCID:2A82I-DX21004 ReportNumber. .................................. :ZKT-220927L7241 DateofTest ....................................................... : Aug.25,2022-Nov.7,2022 Dateofissue.........................................: Nov.7,2022 Totalnumberofpages..........................39 TestResult ............................................ : PASS TestingLaboratory. ........................... : ShenzhenZKTTechnologyCo.,Ltd. Address ............................................... : 1/F,No.101,BuildingB,No.6,TangweiCommunityIndustrial Avenue,FuhaiStreet,Bao'anDistrict,Shenzhen,China Applicant'sname.............................: DongguanDaXianLightingTechnologyCO.,LTD Address...............................................: No.72,Tai'an,LiyuanRoad,Zhangmutoutown,DongguanCity, GuangdongProvince Manufacturer'sname ...................... : DongguanDaXianLightingTechnologyCO.,LTD Address ............................................... : No.72,Tai'an,LiyuanRoad,Zhangmutoutown,DongguanCity, GuangdongProvince Testspecification: Standard................................................: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 Testprocedure ..................................... : / Non-standardtestmethod................:N/A TestReportFormNo........................: TRF-EL-110_V0 TestReportForm(s)Originator.....: ZKTTesting MasterTRF........................................: Dated:2020-01-06 ThisdevicedescribedabovehasbeentestedbyZKT,andthetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofZKT,thisdocumentmay bealteredorrevisedbyZKT,personalonly,andshallbenotedintherevisionofthedocument. Productname.....................................: Corneratmospherelight(Bluetooth) Trademark...........................................: N/A Model/Typereference ......................... :DX21004-03,DX21004-01,DX21004-05,DX21004-07,DX21004-XX( XX=01-10) Ratings .................................................. : DC12V2Afromadapterorothers ProjectNo.:ZKT-220727L7241 Page 2 of 39 Testingprocedureandtestinglocation: TestingLaboratory.......................................:ShenzhenZKTTechnologyCo.,Ltd. Address............................................................:1/F,No.101,BuildingB,No.6,TangweiCommunity IndustrialAvenue,FuhaiStreet,Bao'anDistrict, Shenzhen,China AlenHe Testedby(name+signature).......................: JoeLiu Reviewer(name+signature) ....................... : LakeXie Approved(name+signature) ....................... : ProjectNo.:ZKT-220727L7241 Page 3 of 39 TableofContents Page 1.VERSION.....................................................................................................................5 2.SUMMARYOFTESTRESULTS..................................................................................6 2.1TESTFACILITY....................................................................................................................7 2.2MEASUREMENTUNCERTAINTY.......................................................................................7 3.GENERALINFORMATION..........................................................................................8 3.1GENERALDESCRIPTIONOFEUT....................................................................................8 3.2DESCRIPTIONOFTESTMODES......................................................................................9 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED...............10 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)........................................10 3.5EQUIPMENTSLISTFORALLTESTITEMS.....................................................................11 4.EMCEMISSIONTEST...............................................................................................12 4.1CONDUCTEDEMISSIONMEASUREMENT....................................................................12 4.1.1POWERLINECONDUCTEDEMISSIONLimits.....................................................12 4.1.2TESTPROCEDURE..................................................................................................12 4.1.3DEVIATIONFROMTESTSTANDARD.....................................................................12 4.1.4TESTSETUP.............................................................................................................13 4.1.5EUTOPERATINGCONDITIONS..............................................................................13 4.1.6TESTRESULT...........................................................................................................14 4.2RADIATEDEMISSIONMEASUREMENT.........................................................................16 4.2.1RADIATEDEMISSIONLIMITS.................................................................................16 4.2.2TESTPROCEDURE..................................................................................................16 4.2.3DEVIATIONFROMTESTSTANDARD.....................................................................17 4.2.4TESTSETUP.............................................................................................................17 4.2.5EUTOPERATINGCONDITIONS..............................................................................18 4.2.6TESTRESULTS.........................................................................................................19 5.RADIATEDBANDEMISSIONMEASUREMENT........................................................23 5.1TESTREQUIREMENT:......................................................................................................23 5.2TESTPROCEDURE..........................................................................................................23 5.3DEVIATIONFROMTESTSTANDARD.............................................................................23 5.4TESTSETUP............................…

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FCCID:2A82I-DX21004 RadiatedEmission ConductedEmission