2AYZDITC-312BLUETOOTH SMART TEMPERATURE CONTROLLER

ShenzhenInkbirdTechnologyCo.,Ltd. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023-12-14 FCCID: 2AYZDITC-312 Ref.#1:AttestationStatementsPart2.911(d)(5)(i)Filing ShenzhenInkbirdTechnologyCo.,Ltd.certifiesthattheequipmentforwhichauthorizationis soughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorization pursuanttosection2.903oftheFCCrules. Ref.#2:AttestationStatementsPart2.911(d)(5)(ii)Filing ShenzhenInkbirdTechnologyCo.,Ltd.certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredListasanentityproducing “covered”equipment. Applicant:ShenzhenInkbirdTechnologyCo.,Ltd. Address:Room1803,GuoweiBuilding,NO.68GuoweiRoad,XianhuCommunity,Liantang, LuohuDistrict,Shenzhen,China ContactPerson:BickyXie Tel.: (+86)755-25721303 Email:[email protected] Sincerely, Signature:

Onboard PCB antenna Features ≤ Onboard PCB antenna with small, low-profile and light-weight type. ≤ Wide bandwidth Applications Bluetooth/Wireless LAN/Home RF ISM band 2.4GHz applications Specifications Part Number Frequency Range (MHz) Peak Gain (XZ-total) Average Gain (XZ-total) VSWR Impedance PCB ANT 2402~2480 1.5dBi typ. -1.0dBi typ. 3.0 max. 50 Ω ≤ Dimensions Mark L W Dimensions 10±0.2 4.0±0.2 Shenzhen Huapu Microelectronics Co., LTD 2/F, Building 3, Pingshan Private Enterprise Science & Technology Park, Xili Town, Nanshan District, Shenzhen, Guangdong ≤ Return Loss-without matching circuits ≤ Radiation Patterns

ShenzhenInkbirdTechnologyCo.,Ltd. Date：2023-12-14 ProductModelNumber:ITC-312,ITC-316,ITC-318,IHC-212,IHC-216,IHC- 218 FCCID：2AYZDITC-312 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatORGANIZATION.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyORGANIZATION.onourbehalf shallhavethesameeffectasactsofourown. By:BickyXie ContactListedonFCCWesbite Title:CTO Email:[email protected] Telephone:(+86)755-25721303 Onbehalfof:ShenzhenInkbirdTechnologyCo.,Ltd.

ShenzhenInkbirdTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:December14,2023 Subject;RequestforConfidentiality FCCID:2AYZDITC-312 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram OperationalDescription 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:BickyXie Title:CTO

ShenzhenInkbirdTechnologyCo.,Ltd ModelConfirmationLetter We,ShenzhenInkbirdTechnologyCo.,Ltdcertifytheproduct: BluetoothSmartTemperatureController ModelNo.:ITC-312,ITC-316,ITC-318,IHC-212,IHC-216,IHC-218 Signiture: GranteeContact:BickyXie CompanyName:ShenzhenInkbirdTechnologyCo.,Ltd Date:December14,202 Their electrical circuit design, layout, components used and internal wiring are identical, Only the model NO.are different. 3

Externalphotos

ITC-312-丝印图-20231212(温度版) 20231212 YUI 24mm 18.9mm 22.8mm 4mm 5.2mm 22mm 4mm 5.2mm 22mm 28.8mm 22.5mm 10.8mm logo 工艺：金属粉丝印（有色样） 颜色：香槟金pantone 726c 丝印内容 工艺：丝印 颜色：透明UV

Internalphotos ANT

ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 RFExposureEvaluationReport ReportNo.:CQASZ20231202182E-02 Applicant: ShenzhenInkbirdTechnologyCo.,Ltd AddressofApplicant: Room1803,GuoweiBuilding,NO.68GuoweiRoad,XianhuCommunity, Liantang,LuohuDistrict,Shenzhen,China EquipmentUnderTest(EUT): EUTName:BLUETOOTHSMARTTEMPERATURECONTROLLER ModelNo.:ITC-312,ITC-316,ITC-318,IHC-212,IHC-216,IHC-218 TestModelNo.:ITC-312 BrandName:INKBIRD FCCID:2AYZDITC-312 Standards: 47CFRPart1.1307 47CFRPart1.1310 447498D04InterimGeneralRFExposureGuidancev01 DateofReceipt:2023-12-01 DateofTest:2023-12-01to2023-12-12 DateofIssue:2023-12-25 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlyto thesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20231202182E-02 Page: 2 of6 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20231202182E-02Rev.01 Initialreport 2023-12-25 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20231202182E-02 Page: 3 of6 2Contents Page 1VERSION.............................................................................................................................................................................2 2CONTENTS.........................................................................................................................................................................3 ..................................................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION....................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT....................................................................................................................................4 3.3GENERALDESCRIPTIONOFBLE....................................................................................................................................4 4MPEEVALUATION...........................................................................................................................................................5 4.1RFEXPOSURECOMPLIANCEREQUIREMENT..................................................................................................................5 4.1.1Limits....................................................................................................................................................................5 4.1.2TestProcedure...................................................................................................................................................5 4.1.3EUTRFExposure..............................................................................................................................................6 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20231202182E-02 Page: 4 of6 3GeneralInformation 3.1ClientInformation Applicant: ShenzhenInkbirdTechnologyCo.,Ltd AddressofApplicant: Room1803,GuoweiBuilding,NO.68GuoweiRoad,XianhuCommunity, Liantang,LuohuDistrict,Shenzhen,China Manufacturer: ShenzhenInkbirdTechnologyCo.,Ltd AddressofManufacturer: Room1803,GuoweiBuilding,NO.68GuoweiRoad,XianhuCommunity, Liantang,LuohuDistrict,Shenzhen,China Factory: INKBIRDTECH.C.L. AddressofFactory: 6thFloor,Building713,PengjiLiantangIndustrialArea,NO.2Pengxing Rd,LuohuDisctrict,Shenzhen,China 3.2GeneralDescriptionofEUT ProductName: BLUETOOTHSMARTTEMPERATURECONTROLLER ModelNo.: ITC-312,ITC-316,ITC-318,IHC-212,IHC-216,IHC-218 TestModelNo.: ITC-312 TradeMark: INKBIRD SoftwareVersion: V1.0 HardwareVersion: V1.0 EUTPowerSupply: PowersupplyAC120V 3.3GeneralDescriptionofBLE OperationFrequency: 2402MHz~2480MHz BluetoothVersion: BluetoothSpec5.0 ModulationType: GFSK NumberofChannel: 40 TransferRate:1Mbps/2Mbps SampleType: MobilePortable AntennaType:PCBantenna AntennaGain:1.5dBi Cableloss: 1.0dB Note： Theaboveparameterswilldirectlyaffectthetestresults.Theinformationisprovidedbytheapplicant. ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20231202182E-02 Page: 5 of6 4MPEEvaluation 4.1RFExposureComplianceRequirement 4.1.1Limits ThetableappliestoanyRFsource(i.e.,singlefixed,mobile,andportabletransmitters)andspecifiespower anddistancecriteriaforeachofthefivefrequencyrangesusedfortheMPElimits.Thesecriteriaapplyat separationdistancesfromanypartoftheradiatingstructureofatleastλ/2π.Thethresholdsarebasedonthe generalpopulationMPElimitswithasingleperfectreflection,outsideofthereactivenear-field,andinthemain beamoftheradiator.FormobiledevicesthatarenotexemptperTableB.1[Table1of§1.1307(b)(1)(i)(C)]at distancesfrom20cmto40cmandin0.3GHzto6GHz,evaluationofcompliancewiththeexposurelimitsin §1.1310isnecessaryiftheERPofthedeviceisgreaterthanERP20cminFormula(B.1)[repeatedfrom§ 2.1091(c)(1)and§1.1307(b)(1)(i)(B)]. IftheERPisnoteasilyobtained,thentheavailablemaximumtime-averagedpowermaybeused(i.e.,without considerationofERPonlyifthephysicaldimensionsoftheradiatingstructure(s)donotexceedtheelectrical lengthofλ/4oriftheantennagainislessthanthatofahalf-waveDipole. SAR-basedexemptionsareconstantatseparationdistancesbetween20cmand40cmtoavoid discontinuitiesinthethresholdwhentransitioningbetweenSAR-basedandMPE-basedexemptioncriteriaat 40cm,consideringtheimportanceofr…

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ShenzhenHuaxiaTestingTechnologyCo.,Ltd. 1F.,BlockAofTongshengTechnologyBuilding,HuahuiRoad,DalangStreet,LonghuaDistrict, Shenzhen,China Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V05 ReportTemplateRevisionDate:2021-11-03 TestReport ReportNo.:CQASZ20231202182E-01 Applicant: ShenzhenInkbirdTechnologyCo.,Ltd AddressofApplicant: Room1803,GuoweiBuilding,NO.68GuoweiRoad,XianhuCommunity, Liantang,LuohuDistrict,Shenzhen,China EquipmentUnderTest(EUT): Product:BLUETOOTHSMARTTEMPERATURECONTROLLER ModelNo.:ITC-312,ITC-316,ITC-318,IHC-212,IHC-216,IHC-218 TestModelNo.:ITC-312 BrandName:INKBIRD FCCID:2AYZDITC-312 Standards:47CFRPart15,SubpartC DateofReceipt:2023-12-01 DateofTest:2023-12-01to2023-12-12 DateofIssue:2023-12-25 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. TestedBy: (LewisZhou) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20231202182E-01 Page: 2 of57 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20231202182E-01Rev.01Initialreport 2023-12-25 Page: 3 of57 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20231202182E-01 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSIC63.102013PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSIC63.102013PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(1) ANSIC63.102013PASS 6dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.247(a)(2) ANSIC63.102013PASS PowerSpectralDensity 47CFRPart15,SubpartCSection 15.247(e) ANSIC63.102013PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102013PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSIC63.102013PASS RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102013PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSIC63.102013PASS Page: 4 of57 ShenzhenHuaxiaTestingTechnologyCo.,Ltd. ReportNo.:CQASZ20231202182E-01 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1C LIENT I NFORMATION .................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT.................................................................................................................................5 4.3ADDITIONALINSTRUCTIONS........................................................................................................................................7 4.4TESTENVIRONMENT....................................................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS................................................................................................................................8 4.6STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................................9 4.7TESTLOCATION.........................................................................................................................................................10 4.8TESTFACILITY...........................................................................................................................................................10 4.9DEVIATIONFROMSTANDARDS..................................................................................................................................10 4.10OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..........................................................................................10 4.11EQUIPMENTLIST......................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA......................................................................................................12 5.1ANTENNAREQUIREMENT..........................................................................................................................................12 5.2CONDUCTEDEMISSIONS............................................................................................................................................13 5.3CONDUCTEDPEAKOUTPUTPOWER..........................................................................................................................17 5.46DBOCCUPYBANDWIDTH........................................................................................................................................21 5.5POWERSPECTRALDENSITY.......................................................................................................................................25 5.6BAND-EDGEFORRFCONDUCTEDEMISSIONS...........................................................................................................29 5.7SPURIOUSRFCONDUCTEDEMISSIONS.........................................................................…

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4Photographs-EUTTestSetup 4.1RadiatedSpuriousEmission 9kHz~30MHz: 30MHz~1GHz: Above1GHz: 4.2ConductedEmissionsTestSetup