
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
DC: 3V(AAA*2) Transmitting Power:10mW Launching Distance:30m Working Temperature:-10°C~55°C Wireless Frequency: 433MHz AC2211 Series Remote Control AC2211-01A 1-Channel Remote Control AC2211-01D 1-Channel Remote Control AC2211-15D 15-Channel Remote Control AC2211-02C 2-Channel Remote Control AC2211-15C 15-Channel Remote Control AC2211-15A 15-Channel Remote Control AC2211-01B 1-Channel Remote Control AC2211-15B 15-Channel Remote Control Open Stop Close Open Stop Close Red Light Flashes 30% Green Light Flashes 30~60% Green Light On 60% Motor Battery Level Channel Channel - Channel + Night Shade Open Night Shade Stop Night Shade Close Day Shade Open Day Shade Stop Day Shade Close Dimmer Dimmer Open the back cover admin user Back Open Confirm Close Confirm “S”key Selector Switch AAA Dry Battery Push 2.Setting Limits (”admin” mode) 1.Remote Control Quick Matching (The operation mode is the same, take a motor as an example) Use the front button of the transmitter to stop the curtain at the required up travel point press for 2 seconds , motor rotation once,upper limit is set. Step 1: Set Upper Limits Step 2: Set Lower Limits Use the front button of the transmitter to stop the curtain at the desired down travel point press for 2 seconds , motor rotation once,Lower limit is set. Make sure the motor is ON. STEP 1 press the motor "M" button for 2”,The motor rotates back and forth once,The motor enters the matching state,Valid for 60 seconds STEP 2 Select the channel you want to match (Skip this step for single-channel remote) STEP 3 The switch selects “admin" mode STEP 4 Long press "S" for 2” The motor will rotate back and forth once . Match successfully STEP 5 In Admin mode, shade operation will switch between inching operation and continuous operation, so as to set the stroke more accurately. The route setting of day shade and night shade must be set at the same time, and the route of the day shade or night shade cannot be set separately. If you need to modify the route, repeat the above route setting method. 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. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC Caution: NOTE: Limits setup successful, Normal use modeTo “user” 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2A7KZ-AC221115AC2211-15A,AC2211-15*,(*=A~Z) We, Applicant CompanyName:NingboSunfreeMotorTechnologyCo.,Ltd Address:202,No.418,QihangNorthRoad,Yinzhou District,Ningbo,China Phone:18576721496 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofistsuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-4 SignatureDate PrintedNameofSignee:ChunJiang Company:NingboSunfreeMotor TechnologyCo.,Ltd Phone:18576721496 Email:[email protected] Address:202,No.418,QihangNorthRoad, YinzhouDistrict,Ningbo,China Fax:N/A
NingboSunfreeMotorTechnologyCo.,Ltd 202,No.418,QihangNorthRoad,YinzhouDistrict,Ningbo,China Date:2025-12-4 FCCID:2A7KZ-AC221115 ModelNumber:AC2211-15A,AC2211-15*,(*=A~Z) To:FederalCommunicationCommission AuthorizationandEvaluationDivision7435OaklandMillsRoad Columbia,MD21048 ToWhomItMayConcern, We,NingboSunfreeMotorTechnologyCo.,Ltdherebydeclarethatourproduct (WirelessDoorbell ) ModelNumber: AC2211-15A,AC2211-15*,(*=A~Z) electrical identical,theSchematic,PCBlayout,structureandsoftwarearesame,onlythedifference isthemodelnameandcolorformarketpurpose. Shouldyouhaveanyquestionsorcommentsregardingthismatter,pleasehave mybestattention. Sincerely, (Signed) Name/Title:ChunJiang/Manager Company:NingboSunfreeMotorTechnologyCo.,Ltd Address:202,No.418,QihangNorthRoad,YinzhouDistrict,Ningbo,China Phone:18576721496 FaxNumber:N/A E-Mail:[email protected]
ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2A7KZ-AC221115AC2211-15A,AC2211-15*,(*=A~Z) Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare: theOperationalDescription theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, 2025-12-4 SignatureDate PrintedNameofSignee/Title:ChunJiang/Manager Company:NingboSunfreeMotorTechnologyCo.,Ltd Address:202,No.418,QihangNorthRoad,YinzhouDistrict, Ningbo,China Phone:18576721496 Fax:-- Email:[email protected]
ReportNo.:CISRR2510100201 Page:23of27 7.EXTERNALANDINTERNALPHOTOS 7.1Externalphotos ReportNo.:CISRR2510100201 Page:24of27
LD-AC2211-15A 森瑞机电 校对 设计 适用产品 尺 寸 材 质 油 墨 印刷工艺 是否含流水码 或条形码 审定 版本 日期 制图 是否覆膜 颜 色 使用规范 备注: 工艺描述 客户号 正面按键 2025-8-27 A-00 AC2211-15A 塑料材质:ABS+PC 紫外激光镭雕 S.03 02H 生产批号 02代表周 G代表2024年,H代表2025年以此类推 字体: 4号阿里巴巴普惠体,高度1mm AC2211-15A 15-Channel AAA*2 433MHz FCC ID: 2A7KZ-AC221115 02H Label Location
ReportNo.:CISRR2510100201 Page:25of27 7.2Internalphotos ReportNo.:CISRR2510100201 Page:26of27 ReportNo.:CISRR2510100201 Page:27of27 ------Endofthereport------ ANT
RFExposureevaluation FCCID2A7KZ-AC221115 ProductNameAC2211seriesremotecontrol Model/Type reference AC2211-15A ListedModel(s)AC2211-15*,(*=A~Z) ExposurecategoryGeneralpopulation/uncontrolledenvironment EUTTypeProductionUnit DeviceTypePortableDevice 1.Reference ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposureto RadioFrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortable DevicesRFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices 2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1Standalone SARtestexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposure KDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneral populationexposureconditions,bymeasurementornumericalsimulation,isnotrequired whenthecorrespondingSARTestExclusionThresholdcondition,listedbelow,issatisfied. Thesetestexclusionconditionsarebasedonsource-basedtime-averagedmaximum conductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-uptolerance, andtheminimumtestseparationdistancerequiredfortheexposureconditions.22The minimumtestseparationdistanceisdeterminedbythesmallestdistancefromtheantenna andradiatingstructuresoroutersurfaceofthedevice,accordingtothehostformfactor, exposureconditionsandplatformrequirements,toanypartofthebodyorextremityofauser orbystander(see5)ofsection4.1).ToqualifyforSARtestexclusion,thetestseparation distancesappliedmustbefullyexplainedandjustifiedbytheoperatingconfigurationsand exposureconditionsofthetransmitterandapplicablehostplatformrequirements,typicallyin theSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRF exposureKDBprocedures.WhennootherRFexposuretestingorreportingisrequired,a statementofjustificationandcompliancemustbeincludedintheequipmentapproval,inlieuof theSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfied beforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-way radios,handsets,laptops&tabletsetc.23” [(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≤50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingto5)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportable hostplatformexposureconditions.Thegranteeisresponsiblefordocumentingthisaccording toClassIpermissivechangerequirements.AntennasthatqualifyforstandaloneSARtest exclusionmustapplytheestimatedstandaloneSARtodeterminesimultaneoustransmission testexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantenna configuration,adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤ 1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is ≤1.0. 3.ConductedPeakOutputPower TXfrequencyrange:433.92MHz Devicecategory:Portabledevice(Distance:5mm)Max.FieldStrength: 83.56 dBuV/m@3m EIRP=E-104.8+20logD= 83.56 -104.8+20log3=-11.69dBm MaximumConductedOutputPower:-11.69dBm Tune-up:-11±1 4.EvaluationResult Band/Modef(GHz) Antenna Distance (mm) RFoutputpower SARTest Exclusion Threshold SARTest Exclusion dBmmW FSK0.4335-100.100.01316<3.0Yes Remark: 1.Outputpowerincludingtuneuptolerance; 2.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingtof)in section4.1isappliedtodetermineSARtestexclusion. 5.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolled RFExposureandSARExclusionThresholdperKDB447498v06. ------Endofthereport------
NingboSunfreeMotorTechnology CompanyLimiTed Peak Gain:-10dBi Manufacturer: Ningbo Sunfree Motor Technology Company LimiTed Company address202No.418Qihang North RoadYinzhou Eco nomic Development ZoneNingboZhejiang Model:AC2211 3 Directory 1.ProjectDescription 2.Commissioningequipmentanddesigndescription 3.Electricalperformancetestdataofantenna 3 1.Projectdescription 1.1Theoperatingfrequencyis 433-533MHz 1.2ThisreportisforNingboSunfreeMotorTechnology CompanyLimiTedofthePCBAntenna. 2.Designspecification AgilentNetworkanalyzer ETSAMS8500OTA Chamber 4 3.Electricalperformancetestdataofantenna
ReportNo.:CISRR2510100201 Page:1of21 TESTREPORT ReportNo.:CISRR2510100201 ProjectNo. CISR251010020 FCCID 2A7KZ-AC221115 Applicant: NingboSunfreeMotorTechnologyCo.,Ltd Address: 202,No.418,QihangNorthRoad,YinzhouDistrict,Ningbo,China ManufacturerNingboSunfreeMotorTechnologyCo.,Ltd Address202,No.418,QihangNorthRoad,YinzhouDistrict,Ningbo,China ProductName:AC2211seriesremotecontrol TradeMark: - Model/Typereference:AC2211-15A ListedModel(s):AC2211-15*,(*=A~Z) Standard:47CFRPart15.231 Testdate: October13,2025toDecember4,2025 Issuedate December4,2025 Testresult:Complied Reviewedby:MorganTanApprovedby:HansHu Thetestresultsrelateonlytothetestedsamples. ThetestreportshouldnotbereproducedexceptinfullwithoutthewrittenapprovalofShenzhenBangce TestingTechnologyCo.,Ltd. ReportNo.:CISRR2510100201 Page:2of21 Contents 1.REPORTVERSION.........................................................................................................................................3 2.SUMMARYOFTESTRESULT.......................................................................................................................4 3.SUMMARY.....................................................................................................................................................5 3.1.ProductDescription....................................................................................................................................5 3.2.RadioSpecificationDescription................................................................................................................5 3.3.ModificationofEUT.....................................................................................................................................5 3.4.TestingSite...................................................................................................................................................5 4.TESTCONFIGURATION.............................................................................................................................6 4.1.Testfrequencylist.......................................................................................................................................6 4.2.Testmode.....................................................................................................................................................6 4.3.Supportunitusedintestconfigurationandsystem...............................................................................6 4.4.Testsampleinformation.............................................................................................................................6 4.5.Testingenvironmentalcondition...............................................................................................................6 4.6.Statementofthemeasurementuncertainty.............................................................................................7 4.7.EquipmentUsedduringtheTest................................................................................................................8 5.TESTCONDITIONSANDRESULTS........................................................................................................9 5.1.AntennaRequirement.................................................................................................................................9 5.2.ACConductedEmission...........................................................................................................................10 5.3.20dBBandwidth........................................................................................................................................11 5.4.TransmitterDeactivationTime.................................................................................................................12 5.5.DutyCycleCorrectedFactor....................................................................................................................13 5.6.Radiatedfieldstrengthofthefundamentalsignal.................................................................................15 5.7.RadiatedSpuriousEmission....................................................................................................................16 ReportNo.:CISRR2510100201 Page:3of21 1.REPORTVERSION VersionNo.IssuedateDescription 00December4,2025Original ReportNo.:CISRR2510100201 Page:4of21 2.SUMMARYOFTESTRESULT Report clause TestItemStandardRequirementResult 5.1AntennaRequirement15.203PASS 5.2ACConductedEmission15.207-- 5.320dBBandwidth15.231(c)PASS 5.4TransmitterDeactivationTime15.231(a)(1)PASS 5.5DutycycleFactor---- 5.6Radiatedfieldstrengthofthefundamentalsignal15.231(b)PASS 5.4RadiatedSpuriousEmission15.231(b)/15.205/15.209PASS Note: Themeasurementuncertaintyisnotincludedinthetestresult. ReportNo.:CISRR2510100201 Page:5of21 3.SUMMARY 3.1.ProductDescription Mainunitinformation: ProductName:AC2211seriesremotecontrol Trademark:- ModelNo.:AC2211-15A ListedModel(s):AC2211-15*,(*=A~Z) Modeldifference: Thedifferencebetweendifferentmodelsisthatinthisapplication,dueto differentsaleschannelsanddifferentmodelnames. Powersupply:DC3V(2*AAAsizebattery) Hardwareversion: AC2210-15AV1.0 Softwareversion: AC2211-15A/A00 Accessoryunit(AU)information: AU-1- 3.2.RadioSpecificationDescription Operationfrequency:433.92MHz Modulation:FSK OccupiedBandwidth:134.32kHz ChannelNumber:1 TypeoftransmissionManualtransmission Antennatype:PCBantenna Antennagain:-10dBi 3.3.ModificationofEUT NomodificationsaremadetotheEUTduringalltestitems. 3.4.TestingSite LaboratoryNameShenzhenBangceTestingTechnologyCo.,Ltd. LaboratoryLocation 101,building10,YunliIntelligentPark,Shutianpucommunity,Matian Street,GuangmingDistrict,Shenzhen,Guangdong,China Contactinformation Tel:86-755-23196848,email:[email protected] Website:http://www.cis-cn.net/ FCCregistrationnumber736346 FCCdesignationnumberCN1372 ReportNo.:CISRR2510100201 Page:6of21 4.TESTCONFIGURATION 4.1.Testfrequencylist ChannelFrequency(MHz) CH1433.92 4.2.Testmode ForRFtestitems…
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ReportNo.:CISRR2510100201 Page:22of27 6.TESTSETUPPHOTOS RadiatedEmission(below1GHz) RadiatedEmission(above1GHz)
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15.231 | 433.92 MHz - 433.92 MHz | - |

Curtain motorK200 series
Equipment Class
DSC - Part 15 Security/Remote Control Transmitter
Curtain motorK600 series
Equipment Class
DSC - Part 15 Security/Remote Control Transmitter
Curtain motor JXXX series
Equipment Class
DSC - Part 15 Security/Remote Control Transmitter
Curtain motorR230 series
Equipment Class
DSC - Part 15 Security/Remote Control Transmitter
AC2211 series remote control
Equipment Class
DSC - Part 15 Security/Remote Control Transmitter