2A9SE-CG4CHTX433Transmitter

KL-CG4CHTX433 Transmitter’s specification 1. Parameter 1) Operating voltage：DC3.0V～DC15.5V 2) Electric current：15mA max 3) Operating frequency：433.92MHZ 4) Modulation：ASK 5) Encoding type：rolling code（HCS301） 6) Temperature：-40～70°C 7 )Size： 44*12.7*1.0mm 2. Pins and functions Pins Functions 1 GND Negative pole of power 2 VCC Positive pole of power 3 LED LED 4 D0 Data input (High level trigger) 5 D1 Data input (High level trigger) 6 D2 Data input (High level trigger) 7 D3 Data input (High level trigger) 8 ANT1 Antenna socket U.FL FCC Caution: 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. 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. To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be installed and operated with minimum distance between 20cm the radiator your body: Use only the supplied antenna.

- Shenzhen Kelvin Electronics 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. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 4/11/2023 U.S. Agent Designation Shenzhen Kelvin Electronics 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:2A9SE-CG4CHTX433): Name of U.S. agent: Tim Payne Company U.S. agent: FCC US Agent, LLC Physical U.S. address of agent: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA FRN of U.S. agent: 0033402884 Email address of U.S. agent: [email protected] Phone of U.S. agent: 708-571-3148 FCC US Agent, LLC acknowledges their obligation to accept service of process on behalf of Shenzhen Kelvin Electronics Co,. Ltd. Shenzhen Kelvin Electronics Co,. Ltd 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 Pang Diana Sales Manager Shenzhen Kelvin Electronics Co,. Ltd Signature Tim Payne Manager FCC US Agent, LLC 48_[model] US_Agent_2.911(d)(7)-U, V03

Sincerely, Name/Title： Pang Diana/Sales Manager Company: Shenzhen Kelvin Electronics Co,. Ltd Address: 4/F, 23/B, Lianchuang Technology Park, Bulan Road Nanwan Street, Longgang District Shenzhen China Phone: 18878479860 Fax: / E-Mail: [email protected]

Page1of2FCCID:2A9SE-CG4CHTX433 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity ExternalPhotosoftheEUT Fig.1 Fig.2 Antenna Page2of2FCCID:2A9SE-CG4CHTX433 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4

Page1of1FCCID:2A9SE-CG4CHTX433 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity LABELANDLOCATION (Size:L0.5cmx0.5cm) LabelLocation Transmitter Model:KL-CG4CHTX433 FCCID:2A9SE-CG4CHTX433

Page1of2FCCID:2A9SE-CG4CHTX433 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity InternalPhotosoftheEUT Fig.1 Fig.2 Page2of2FCCID:2A9SE-CG4CHTX433 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4

nameSMA angle fitting433antennae Passive Test For 433test FreqEffiEffiGainGainUHISDHISMaxMinAttenutAttenut (MHz)(%)(dB)(dBi)(dBd)(%)(%)(dB)(dB)HorVer 40015.8-12-9.1-111.54.31-9.1-2338.0338.04 41015.9-12-9.2-111.584.3-9.2-2336.1736.79 42018.7-11-7.6-9.82.496.23-7.6-2136.5137.35 43021.1-9.6-6.7-8.93.357.76-6.7-2036.637.48 44021.2-9.5-6.7-8.93.527.72-6.7-2035.3336.19 45022.3-9.1-6.4-8.63.968.3-6.4-2034.6335.45 46022.2-9.2-6.4-8.53.988.18-6.4-2133.9234.58 47025-8.3-5.4-7.64.9410-5.4-2134.6335.26 48025.1-8.2-5.4-7.64.9310.2-5.4-2234.9935.6 49022.8-8.9-6-8.23.988.82-6-2235.135.62 50022-9.2-6.2-8.43.528.48-6.2-2135.9436.43 company name Shenzhen Ronghua Communication Co. LTD Application Information O4Version4.95.303 TotalTime12m 56s 801 AdditionalInforNULL

Page1of28FCCID:2A9SE-CG4CHTX433ReportNo.:LCSA121322065EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT For ShenzhenKelvinElectronicsCo,.Ltd Transmitter TestModel:KL-CG4CHTX433 Preparedfor:ShenzhenKelvinElectronicsCo,.Ltd Address:4/F,23/B,LianchuangTechnologyPark,BulanRoadNanwanStreet, LonggangDistrictShenzhenChina Preparedby:ShenzhenLCSComplianceTestingLaboratoryLtd. Address:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China Tel:(+86)755-82591330 Fax:(+86)755-82591332 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:December14,2022 Numberoftestedsamples:A121322065-1,A121322065-2 Serialnumber:Prototype DateofTest:December 14, 2022 ~ January 06, 2023 DateofReport:January07,2023 Page2of28FCCID:2A9SE-CG4CHTX433ReportNo.:LCSA121322065EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT FCCCFR47PART15C(15.231) ReportReferenceNo. .................. :LCSA121322065EA DateofIssue .................................... :January07,2023 TestingLaboratoryName...........:ShenzhenLCSComplianceTestingLaboratoryLtd. Address.............................................: 101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China TestingLocation/Procedure......... :FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName..........................:ShenzhenKelvinElectronicsCo,.Ltd Address.............................................:4/F,23/B,LianchuangTechnologyPark,BulanRoadNanwan Street,LonggangDistrictShenzhenChina TestSpecification Standard...........................................:FCCCFR47PART15SubpartC,ANSIC63.10-2013 TestReportFormNo...................:LCSEMC-1.0 TRFOriginator.................................:ShenzhenLCSComplianceTestingLaboratoryLtd. MasterTRF ...................................... :Dated2011-03 ShenzhenLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenLCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceof thematerial.ShenzhenLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnot assumeliabilityfordamagesresultingfromthereader'sinterpretationofthereproducedmaterialdueto itsplacementandcontext. TestItemDescription..................:Transmitter TradeMark.......................................:KELVINRF TestModel.......................................:KL-CG4CHTX433 Ratings..............................................:DC3-15.5V,15mA,0.045-0.23W Result................................................:Positive Compiledby:Supervisedby:Approvedby: LiHuan/AdministratorCaryLuo/TechniqueprincipalGavinLiang/Manager Page3of28FCCID:2A9SE-CG4CHTX433ReportNo.:LCSA121322065EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCC--TESTREPORT EUT.........................................:Transmitter TestModel...........................:KL-CG4CHTX433 Applicant...............................:ShenzhenKelvinElectronicsCo,.Ltd Address..................................: 4/F,23/B,LianchuangTechnologyPark,BulanRoadNanwan Street,LonggangDistrictShenzhenChina Telephone...............................:/ Fax..........................................:/ Manufacturer.......................:ShenzhenKelvinElectronicsCo,.Ltd Address...................................:4/F,23/B,LianchuangTechnologyPark,BulanRoadNanwan Street,LonggangDistrictShenzhenChina Telephone...............................:/ Fax..........................................:/ Factory....................... :ShenzhenKelvinElectronicsCo,.Ltd Address...................................:4/F,23/B,LianchuangTechnologyPark,BulanRoadNanwan Street,LonggangDistrictShenzhenChina Telephone...............................:/ Fax..........................................:/ TestResultPositive Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetestlaboratory. TestReportNo.:LCSA121322065EA January07,2023 Dateofissue Page4of28FCCID:2A9SE-CG4CHTX433ReportNo.:LCSA121322065EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity RevisionHistory ReportVersionIssueDateRevisionContentRevisedBy 000January07,2023InitialIssue-- Page5of28FCCID:2A9SE-CG4CHTX433ReportNo.:LCSA121322065EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TABLEOFCONTENTS 1.GENERALINFORMATION.....................................................................................................................................6 1.1.DESCRIPTIONOFDEVICE(EUT)........................................................................................................................6 1.2.OBJECTIVE...........................................................................................................................................................6 1.3.ENVIRONMENTALCONDITIONS...........................…

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Page1of1FCCID:2A9SE-CG4CHTX433 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestSetupPhotosoftheEUT TestSetupPhoto(s)ofRadiatedEmissionsMeasurement Fig.1 Fig.2