2AQ7B-CH006Wireless Chime

ShenzhenInterthingsTechnologyCo.,Ltd. 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:ShenzhenInterthingsTechnologyCo.,Ltd. Address:701,Building1,LechuanghuiBuilding,No.1211GuanguangRoad,LonghuaDistrict, Shenzhen,China ProductName:WirelessChime FCCID:2AQ7B-CH006 Model(s):CH006,CH007 2.911(d)(5)(i)EquipmentType We,[ShenzhenInterthingsTechnologyCo.,Ltd.]certifythattheequipmentforwhichauthorizationis soughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:RongliSunDate:2024-09-13 TitleandCompanyname:AccountManager/ShenzhenInterthingsTechnologyCo.,Ltd. NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

ShenzhenInterthingsTechnologyCo.,Ltd. 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:ShenzhenInterthingsTechnologyCo.,Ltd. Address:701,Building1,LechuanghuiBuilding,No.1211GuanguangRoad,LonghuaDistrict, Shenzhen,China ProductName:WirelessChime FCCID:2AQ7B-CH006 Model(s):CH006,CH007 2.911(d)(5)(ii)Applicantfiling We,[ShenzhenInterthingsTechnologyCo.,Ltd.]certifythat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedonthe“CoveredList”,establishedpursuantto§1.50002 ofthischapter,asanentityproducingcoveredcommunicationsequipment. Yourssincerely, Name:RongliSunDate:2024-09-13 TitleandCompanyname:AccountManager/ShenzhenInterthingsTechnologyCo.,Ltd. “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

- Shenzhen Interthings Technology Co., Ltd. - The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2/28/24 U.S. Agent Designation Shenzhen Interthings Technology Co., Ltd. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AQ7B-CH006): Name and company of U.S. agent: Linkwld LLC Physical U.S. address of agent: 1942 Broadway St. STE 314C, Boulder, CO, 80302, US FRN of U.S. agent: 0033625682 Email address of U.S. agent: [email protected] Linkwld LLC acknowledges their obligation to accept service of process on behalf of Shenzhen Interthings Technology Co., Ltd.. Shenzhen Interthings Technology Co., Ltd. with the FRN [0027836717] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). Sincerely, Signature [Name] Lucy Fang [Title] Sales [Company]Shenzhen Interthings Technology Co., Ltd. Signature [Name of U.S. agent] Timothy Zhu [Title of U.S. agent] Manager [Company of U.S. agent] Linkwld LLC 48_[model] US_Agent_2.911(d)(7)-U, V04

ShenzhenInterthingsTechnologyCo.,Ltd. AgentAuthorization Company:ShenzhenInterthingsTechnologyCo.,Ltd. Address:701,Building1,LechuanghuiBuilding,No.1211GuanguangRoad, LonghuaDistrict,Shenzhen,China ProductName:WirelessChime ModelNumber(s):CH006,CH007 ProductDescription:WirelessChime WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date:2024-9-13 Name:RongliSun Title:AccountManager Company:ShenzhenInterthingsTechnologyCo.,Ltd.

ShenzhenInterthingsTechnologyCo.,Ltd. DeclarationonModelDifferences We, ShenzhenInterthingsTechnologyCo.,Ltd. 701,Building1,LechuanghuiBuilding,No.1211GuanguangRoad,LonghuaDistrict, Shenzhen,China Declarethatthefollowingproduct(s): FCCID:2AQ7B-CH006 ProductName:WirelessChime ModelNo.:CH006,CH007 Utilizetheidenticalcircuitdesign,PCBlayout,shieldingandinterfacewith(CH006),onlythe modelnamedifferent.Thereforethisapplicationcanberegardedasidenticalinperformance tothesubmittedtestsample. Themanufacturerwouldtakealltheresponsibilitiesfortheaboveproduct(s). Forandonbehalfof Authorizedperson Name:RongliSun Position:AccountManager Dateofissue:2024-09-13 *IherebydeclarethatIamentitledtosignonbehalfoftheapplicantandthattheinformationsuppliediscorrectandcomplete.

ShenzhenInterthingsTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2024-09-13 Subject;RequestforConfidentiality FCCID:2AQ7B-CH006 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram OperationalDescription SWSECURITYDESCRIPTION PartsList Tuneup 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:RongliSun Title:AccountManager

2AQ7B-CH006 CH006 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. CH006000001

ReportNo.:182512C400220101Page1of17 FCCID:2AQ7B-CH006 FCCTestReport Applicant:ShenzhenInterthingsTechnologyCo.,Ltd. Address: 701,Building1,LechuanghuiBuilding,No.1211 GuanguangRoad,LonghuaDistrict,Shenzhen, China ProductName:WirelessChime ReportDate:Sept.13,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:182512C400220101Page2of17 FCCID:2AQ7B-CH006 Contents 1.GeneralInformation.................................................................................................................................5 1.1.ClientInformation...........................................................................................................................5 1.2.DescriptionofDevice(EUT)..........................................................................................................5 1.3.AuxiliaryEquipmentUsedDuringTest..........................................................................................5 1.4.DescriptionofTestModes.............................................................................................................6 1.5.MeasurementUncertainty.............................................................................................................6 1.6.TestSummary................................................................................................................................6 1.7.DescriptionofTestFacility.............................................................................................................6 1.8.TestEquipmentList.......................................................................................................................7 2.ConductedemissionsonACmains.........................................................................................................8 2.1.EUTOperation...............................................................................................................................8 2.2.TestSetup......................................................................................................................................8 2.3.TestData........................................................................................................................................9 3.Radiatedemissions(Below1GHz)........................................................................................................11 3.1.EUTOperation.............................................................................................................................11 3.2.TestSetup....................................................................................................................................11 3.3.TestData......................................................................................................................................12 4.Radiatedemissions(Above1GHz).......................................................................................................14 4.1.EUTOperation.............................................................................................................................14 4.2.TestSetup....................................................................................................................................14 4.3.TestData......................................................................................................................................15 APPENDIXI--TESTSETUPPHOTOGRAPH.........................................................................................17 APPENDIXII--EXTERNALPHOTOGRAPH...........................................................................................17 APPENDIXIII--INTERNALPHOTOGRAPH............................................................................................17 ReportNo.:182512C400220101Page4of17 FCCID:2AQ7B-CH006 RevisionHistory ReportVersionDescriptionIssuedDate R00OriginalIssue.Sept.13,2024 ReportNo.:182512C400220101Page5of17 FCCID:2AQ7B-CH006 1.GeneralInformation 1.1.ClientInformation Applicant:ShenzhenInterthingsTechnologyCo.,Ltd. Address: 701,Building1,LechuanghuiBuilding,No.1211GuanguangRoad, LonghuaDistrict,Shenzhen,China Manufacturer:ShenzhenInterthingsTechnologyCo.,Ltd. Address: 701,Building1,LechuanghuiBuilding,No.1211GuanguangRoad, LonghuaDistrict,Shenzhen,China Factory:ShenzhenInterthingsTechnologyCo.,Ltd. Address: 701,Building1,LechuanghuiBuilding,No.1211GuanguangRoad, LonghuaDistrict,Shenzhen,China 1.2.DescriptionofDevice(EUT) ProductName:WirelessChime ModelNo.: CH006,CH007 (Note:Allsamplesarethesameexceptthemodelnumber,soweprepare "CH006"fortestonly.) TradeMark:N/A TestPowerSupply:DC5VfromadapterinputAC120V/60Hz TestSampleNo.:1-1-1 Adapter:N/A RFSpecification OperationFrequency:433.92MHz(RXonly) ModulationType:FSK Remark: (1)Foramoredetailedfeaturesdescription,pleaserefertothemanufacturer’sspecificationsorthe User’sManual. (2)Allsamplesarethesameexceptthemodelnumber,soweprepare“CH006”fortestonly. 1.3.AuxiliaryEquipmentUsedDuringTest TitleManufacturerModelNo.SerialNo. Xiaomi33WadapterXiaomiMDY-11-EXSA62212LA04358J ReportNo.:182512C400220101Page6of17 FCCID:2AQ7B-CH006 1.4.DescriptionofTestModes PretestModesDescriptions TM1Receivemode 1.5.MeasurementUncertainty ParameterUncertainty Conductedemissions(AMN150kHz~30MHz)3.4dB Radiatedemissions(30MHz~1000MHz)Horizontal:3.92dB;Vertical:4.52dB Radiatedemissions(above1GHz) 1G-6GHz:4.78dB; 6G-18GHz:4.88dB Thisuncertaintyrepresentsanexpandeduncertaintyexpressedatapproximatelythe95%confidence levelusingacoveragefactorofk=2. 1.6.TestSummary TestItemsTestModesStatus ConductedemissionsonACmainsMode1P Radiatedemissions(Below1GHz)Mode1P Radiatedemissions(Above1GHz)Mode1P Note: P:Pass N:N/A,notapplicable 1.7.DescriptionofTestFacility Thetestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: FCC-RegistrationNo.:434132 ShenzhenAnbotekComplianceLaboratoryLimited,EMCLaboratoryhasbeenregisteredandfully describedinareportfiledwiththe(FCC)FederalCommunicationsCommission.Theacceptanceletter fromtheFCCismaintainedinourfil…

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