2A9AP-KAT01Wireless transmitter sensor

1 KAT01 Wireless transmitter sensor 2 1. Remove the battery compartment cover on the front of the wireless sensor. 2. Insert 2 LR03 (AAA) / 1.5 V batteries (not included) facing in the direction indicated on the bottom of the battery compartment. Make sure that the poles of the batteries are correct (+/-). As soon as the wireless sensor is receiving power, the red pilot light will light up and thus display that data is being transmitted to the base unit. 3. Put the battery compartment cover back in place. - Do not use batteries that have a voltage that is too low 3 (only 1.2 V instead of 1.5 V). This affects the accuracy of the measurements, among other things. - If possible, use alkaline batteries instead of zinc-carbon batteries. Alkaline batteries last longer, particularly outside in low temperatures. 4.FCC STATEMENT 1）. 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. 2）. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 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 4 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.

Dongguan Chengyou Electronics Co., Ltd Long Term Confidentiality Request Letter 2022-12-5 Eurofins Electrical and Electronic Testing NA, Inc 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Wireless transmitter sensor / KAT01/ 2A9AP-KAT01) To Whom It May Concern This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Block Diagram, Schematic diagram, Operational Description) required to be submitted with this application be permanently withheld from public review. SPECIFY REASON FOR REQUEST (i.e. the above documents are company proprietary information that could never get into the possession of your competition). Please contact me if there is any information you may need. Sincerely, Signature: Name: Xuhu Xie Job Title: Manager Address: 03, Floor 2, Building A, No. 1, Baoting Road, Yufeng Community, Zhangmutou Town, Dongguan City

Dongguan Chengyou Electronics Co., Ltd Agent Authorization Letter 2022-12-5 Eurofins Electrical and Electronic Testing NA, Inc 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen United Testing Technology Co.,Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Xuhu Xie Job Title: Manager Address: 03, Floor 2, Building A, No. 1, Baoting Road, Yufeng Community, Zhangmutou Town, Dongguan City

Model: KAT01 Model: KAT01 Model: KAT01

Model: KAT01 Model: KAT01 Model: KAT01 Antenna

Page1of21ReportNo.:UNIA23010306ER-61 FCCRADIOTESTREPORT FCCID:2A9AP-KAT01 Sample ： Wirelesstransmittersensor TradeMark ： N/A MainModel ： KAT01 AdditionalModel ： N/A ReportNo.： UNIA23010306ER-61 Preparedfor DongguanChengyouElectronicsCo.,Ltd 203,Floor2,BuildingA,No.1,BaotingRoad,YufengCommunity,Zhangmutou Town,DongguanCity Preparedby ShenzhenUnitedTestingTechnologyCo.,Ltd. 2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Page2of21ReportNo.:UNIA23010306ER-61 TESTRESULTCERTIFICATION Applicant...................................: DongguanChengyouElectronicsCo.,Ltd Address......................................: 203,Floor2,BuildingA,No.1,BaotingRoad,YufengCommunity, ZhangmutouTown,DongguanCity Manufacturer ............................ : DongguanChengyouElectronicsCo.,Ltd Address ...................................... : 203,Floor2,BuildingA,No.1,BaotingRoad,YufengCommunity, ZhangmutouTown,DongguanCity Productdescription Product...........................................: Wirelesstransmittersensor TradeMark.................................: N/A ModelName..............................: KAT01 TestMethods ............................ : FCCPart15SubpartC15.231 ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyShenzhenUnitedTestingTechnology Co.,Ltd.,andthetestresultsshowthattheequipmentundertest(EUT)isincompliance withtheFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthe report. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofUNI,this documentmaybealteredorrevisedbyShenzhenUnitedTestingTechnologyCo.,Ltd., personnelonly,andshallbenotedintherevisionofthedocument. Date(s)ofperformanceoftests ............... : November23~December20,2022 DateofIssue .............................................. : December20,2022 TestResult..................................................: Pass Preparedby: Kahnyang/Supervisor Reviewer: KellyCheng/Supervisor Approved&AuthorizedSigner: Liuze/Manager Page3of21ReportNo.:UNIA23010306ER-61 TableofContents 1TESTSUMMARY.................................................................................................................................4 2GENERALINFORMATION.................................................................................................................6 2.1GENERALDESCRIPTIONOFEUT............................................................................................6 2.2CARRIERFREQUENCYOFCHANNELS...................................................................................7 2.3OPARATIONOFEUTDURINGTESTING..................................................................................7 2.4DESCRIPTIONOFTESTSETUP................................................................................................7 2.5ENVIRONMENTALCONDITIONS...............................................................................................7 2.6MEASUREMENTINSTRUMENTSLIST......................................................................................8 3TESTCONDITIONSANDRESULTS.................................................................................................9 3.1RADIATEDEMISSIONTEST.......................................................................................................9 3.2-20DBOCCUPIEDBANDWIDTH...............................................................................................14 3.3DEACTIVATIONTIME......................................................................................................................15 3.4CALCULATIONOFAVERAGEFACTOR..................................................................................17 3.5ANTENNAREQUIREMENT.......................................................................................................20 4PHOTOGRAPHOFTEST.................................................................................................................21 Page4of21ReportNo.:UNIA23010306ER-61 1TESTSUMMARY TESTPROCEDURESANDRESULTS FCCandICRequirements FCCPart15.207ConductedEmission NotApplication FCCPart15.231(e) RadiatedEmission Compliant FCCPart15.231(c) 20dBBandwidth Compliant FCCPart15.231(e)ReleaseTimeMeasurement Compliant FCCPart15.203AntennaRequirement Compliant Theproductisaactivatedautomaticallytransmitter. TESTFACILITY TestFirm:ShenzhenUnitedTestingTechnologyCo.,Ltd. Address:2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Thetestingqualityabilityofourlaboratorymeetwith"QualityLawofPeople'sRepublicofChina" Clause19.ThetestingqualitysystemofourlaboratorymeetswithISO/IEC-17025requirements. ThisapprovalresultisacceptedbyMRAofAPLAC. Ourtestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: A2LACertificateNumber:4747.01 TheEMCLaboratoryhasbeenaccreditedbyA2LA,andincompliancewithISO/IEC17025:2017 GeneralRequirementsfortestingLaboratories. FCCRegistrationNumber:0027159896 TheEMCLaboratoryhasbeenregisteredandfullydescribedinareportfiledwiththe(FCC) FederalCommunicationscommission. ICRegistrationNumber:21947 TheEMCLaboratoryhasbeenregisteredandfullydescribedinareportfiledwiththe(IC)Industry Canada. Page5of21ReportNo.:UNIA23010306ER-61 MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U,whereexpendeduncertaintyUisbasedona standarduncertaintymultipliedbyacoveragefactorofk=2,providingalevelofconfidence ofapproximately95%. A.RadiatedMeasurement: TestSiteMethodMeasurementFrequencyRangeU,(dB)NOTE UNIANSI9kHz~30MHz2.50 30MHz~1000MHz4.80 1000MHz~18000MHz4.13 Page6of21ReportNo.:UNIA23010306ER-61 2GENERALINFORMATION 2.1GENERALDESCRIPTIONOFEUT ThefollowinginformationofEUTsubmittedandidentifiedbyapplicant: ProductWirelesstransmittersensor TradeMarkN/A MainModelKAT01 SerialNo.N/A ModelDifferenceN/A FCCID2A9AP-KAT01 AntennaTypeSpringAntenna AntennaGain0dBi FrequencyRange433.92MHz NumberofChannels1CH ModulationTypeASK PowerSourceDC3V(2xAAAbattery) Page7of21ReportNo.:UNIA23010306ER-61 2.2CARRIERFREQUENCYOFCHANNE…

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Model: KAT01 Radiated Emission test