2AZOD-D157WIRELESS DOORBELL

Wireless
Doorbell Instruction D-157D-156 Dissipation This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment

Modeldifferencedeclarationletter DifferencesDescription WeZHONGSHANJ-XINGELECTRICALCO.,LTDstate: Product：WIRELESSDOORBELL ModelNameD-157,D-156，D-155，D-161，D-162 Theaboveproductwithsamecircuit,PCBlayout,electricalparts,materialsandwiring structures,Appearanceshape,thematerialsofdecorativeaccessoriesissame,only differentcolor. Signatory Date:04-19-2021 <Signature> Name：AlanHu Title：generalmanager Company：ZHONGSHANJ-XINGELECTRICALCO.,LTD Address:No.12ChuangYuanRoad,TongLeIndustrialPark,DongfengTown,Zhongshan City,Guangdong

C5266091_X8_Ed.1 1/1 LetterofAuthorization ZHONGSHANJ-XINGELECTRICALCO.,LTD Company:ZHONGSHANJ-XINGELECTRICALCO.,LTD Address:No.12ChuangYuanRoad,TongLeIndustrialPark,DongfengTown, ZhongshanCity,Guangdong ProductName:WIRELESSDOORBELL ModelNumber:D-157,D-156，D-155，D-161，D-162 FCCIdentifier:2AZOD-D157 WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:AlanHuDate:April19,2021 Title:generalmanager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 ZHONGSHANJ-XINGELECTRICALCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:April19,2021 Subject:RequestforConfidentiality FCCID:2AZOD-D157 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:AlanHu Title:generalmanager

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LabelandLabelLocation FCCID:2AZOD-D157 L*W:10mm*7mm whitefontonaBlacklabel

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FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com FCCTestReport ReportNo:FCS202103071W01 Issuedfor Applicant:ZHONGSHANJ-XINGELECTRICALCO.,LTD Address: No.12ChuangYuanRoad,TongLeIndustrialPark,Dongfeng Town,ZhongshanCity,Guangdong ProductName:WIRELESSDOORBELL BrandName:N/A ModelName:D-157 SeriesModel: D-156，D-155，D-161，D-162 FCCID:2AZOD-D157 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial, SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com Page 2 of25ReportNo.:FCS202103071W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TESTRESULTCERTIFICATION Applicant’sName ...................... : ZHONGSHANJ-XINGELECTRICALCO.,LTD Address......................................: No.12ChuangYuanRoad,TongLeIndustrialPark, DongfengTown,ZhongshanCity,Guangdong Manufacture'sName................: ZHONGSHANJ-XINGELECTRICALCO.,LTD Address ...................................... : No.12ChuangYuanRoad,TongLeIndustrialPark, DongfengTown,ZhongshanCity,Guangdong ProductDescription ProductName...........................: WIRELESSDOORBELL BrandName ............................. : N/A ModelName .............................. : D-157 SeriesModel .............................. : D-156 ， D-155 ， D-161 ， D-162 TestStandards .......................... :FCCRulesandRegulationsPart15SubpartC,Section231 TestProcedure .......................... :ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedFCS,thetestresultsshowthattheequipmentunder test(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFCS,thisdocument maybealteredorrevisedbyFCS,personalonly,andshallbenotedintherevisionofthedocument.. DateofTest .................................. : Date(s)ofperformanceoftests.:29Mar.2021~13Apr.2021 DateofIssue.................................:13Apr.2021 TestResult.....................................:Pass Testedby: (ScottShen) Reviewedby: (DukeQian) Approvedby: (KaitChen) Page 3 of25ReportNo.:FCS202103071W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS ......................................................................................................... 5 1.1TESTFACTORY ............................................................................................................................. 6 1.2MEASUREMENTUNCERTAINTY ............................................................................................... 6 2.GENERALINFORMATION ................................................................................................................... 7 2.1GENERALDESCRIPTIONOFTHEEUT ................................................................................... 7 2.2DESCRIPTIONOFTHETESTMODES ..................................................................................... 7 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS ....................... 9 2.4EQUIPMENTSLIST ..................................................................................................................... 10 3.RADIATEDEMISSIONMEASUREMENT........................................................................................11 3.1LIMIT...............................................................................................................................................11 3.2TESTPROCEDURE....................................................................................................................12 3.3TESTSETUP................................................................................................................................13 3.4TESTRESULTS............................................................................................................................14 4.TRANSMITTERTIME .......................................................................................................................... 18 4.1LIMIT ............................................................................................................................................... 18 4.2TESTPROCEDURE .................................................................................................................... 18 4.3TESTSETUP ................................................................................................................................ 18 4.4TESTRESULTS ............................................................................................................................ 18 5.20DBBANDWIDTHTEST ................................................................................................................. 20 5.1LIMIT ............................................................................................................................................... 20 5.2TESTPROCEDURE .................................................................................................................... 20 5.3TESTSETUP ................................................................................................................................ 20 5.4TESTRESULTS ............................................................................................................................ 21 6.DUTYCYCLE........................................................................................................................................22 6.1LIMIT............................................................................................................................................…

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