2ANPB-A101Smart Shunt 300

-RNGInternationalInc.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCCwithin30daysvia thegrantingTCB. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 11/3/23 U.S.AgentDesignation [RNGInternationalInc.]acknowledgestheirconsentforthefollowingcontactlocatedintheUnited Statestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought (FCCID:[2ANPB-A101]): NameandcompanyofU.S.agent:RNGInternationalInc. PhysicalU.S.addressofagent:5050SArchibaldAve,Ontario,California,91762,UnitedStates FRNofU.S.agent:0026824391 EmailaddressofU.S.agent: [email protected] [RNGInternationalInc.]acknowledgestheirobligationtoacceptserviceofprocessonbehalfof [RNGInternationalInc.]. [RNGInternationalInc.]withtheFRN[0026824391]acceptsitsobligationtomaintainanagentfor serviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S.,or theconclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingthe equipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(d)(7). Sincerely, Signature [jasonjiang] [CTO] [RNGInternationalInc.] 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 4 -RNGInternationalInc.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCCwithin30daysvia thegrantingTCB. Signature [jasonjiang] [CTO] [RNGInternationalInc.]

-RNGInternationalInc.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 11/3/23 Towhomitmayconcern: We,[RNGInternationalInc.],herebycertifythattheequipmentforwhichauthorizationissought (FCCID:[2ANPB-A101])isnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature [jasonjiang] [CTO] [RNGInternationalInc.] 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

ProjectNo.:18220WC301167Page1of4 Code:AB-RF-05-b AppendixII--ExternalPhotograph ProjectNo.:18220WC301167Page2of4 Code:AB-RF-05-b ProjectNo.:18220WC301167Page3of4 Code:AB-RF-05-b ProjectNo.:18220WC301167Page4of4 Code:AB-RF-05-b

LabelLocationOnEUT Label

ProjectNo.:18220WC301167Page1of4 Code:AB-RF-05-b AppendixIII--InternalPhotograph ProjectNo.:18220WC301167Page2of4 Code:AB-RF-05-b ProjectNo.:18220WC301167Page3of4 Code:AB-RF-05-b ANT ProjectNo.:18220WC301167Page4of4 Code:AB-RF-05-b

RFEXPOSUREEVALUATION FCCID:2ANPB-A101 AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 24025.095.09 ±1 6.09051.2603 GFSK 24404.734.73±15.73051.1693 24804.194.19±15.19051.0413 24025.085.08 ±1 6.08051.2573 24404.724.72±15.72051.1663 24804.194.19±15.19051.0413 Result:NoStandaloneSARtestisrequired.

Page1of33 AppendixTestData ReportNo.:18220WC30116701TestSampleNo.:1-2-2 StartTestDate:2023.06.16FinishTestDate:2023.06.16 TestEngineer:Auditor: Temperature:25.7 °C RelativeHumidity:49% Pressure:1012hPa AppendixA:DTSBandwidth TestResult TestModeAntennaFrequency[MHz] DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24020.6482401.6882402.3360.5PASS 24400.6482439.6762440.3240.5PASS 24800.6922479.6402480.3320.5PASS BLE_2MAnt1 24021.0882401.4882402.5760.5PASS 24400.9402439.4642440.4040.5PASS 24801.1042479.4722480.5760.5PASS Page2of33 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page3of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page4of33 BLE_2M_Ant1_2480 Page5of33 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz] BLE_1MAnt1 24021.04412401.49342402.5375 24401.03542439.50812440.5435 24801.06222479.48822480.5504 BLE_2MAnt1 24022.05382401.01242403.0662 24402.06662438.99412441.0607 24802.06472478.99822481.0629 Page6of33 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page7of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page8of33 BLE_2M_Ant1_2480 Page9of33 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt1 24025.09≤30PASS 24404.73≤30PASS 24804.19≤30PASS BLE_2MAnt1 24025.08≤30PASS 24404.72≤30PASS 24804.19≤30PASS Page10of33 TestGraphsPeak BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page11of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page12of33 BLE_2M_Ant1_2480 Page13of33 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt1 2402-10.78≤8.00PASS 2440-10.92≤8.00PASS 2480-10.73≤8.00PASS BLE_2MAnt1 2402-12.22≤8.00PASS 2440-12.47≤8.00PASS 2480-12.35≤8.00PASS Page14of33 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page15of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page16of33 BLE_2M_Ant1_2480 Page17of33 AppendixE:Bandedgemeasurements TestResult TestMod e Antenn a ChNam e Frequency[MHz ] RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt1 Low24024.72-54.35≤-15.28PASS High24804.05-57.19≤-15.95PASS BLE_2MAnt1 Low24024.96-28.85≤-15.05PASS High24802.81-56.23≤-17.19PASS Page18of33 TestGraphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 BLE_2M_Ant1_Low_2402 Page19of33 BLE_2M_Ant1_High_2480 Page20of33 AppendixF:ConductedSpuriousEmission TestResult TestMod e Antenn a Frequency[MHz ] FreqRange [MHz] RefLeve l [dBm] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt1 2402 Reference4.884.88---PASS 30~10004.88-69.51≤-15.12PASS 1000~2650 0 4.88-44.92≤-15.12PASS 2440 Reference4.544.54---PASS 30~10004.54-68.21≤-15.46PASS 1000~2650 0 4.54-40.88≤-15.46PASS 2480 Reference2.912.91---PASS 30~10002.91-68.78≤-17.09PASS 1000~2650 0 2.91-41.13≤-17.09PASS BLE_2MAnt1 2402 Reference2.652.65---PASS 30~10002.65-69.07≤-17.35PASS 1000~2650 0 2.65-42.37≤-17.35PASS 2440 Reference4.374.37---PASS 30~10004.37-68.76≤-15.63PASS 1000~2650 0 4.37-40.96≤-15.63PASS 2480 Reference-0.08-0.08---PASS 30~1000-0.08-69.24≤-20.08PASS 1000~2650 0 -0.08-40.93≤-20.08PASS Page21of33 TestGraphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 Page22of33 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 Page23of33 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference Page24of33 BLE_1M_Ant1_2480_30~1000 BLE_1M_Ant1_2480_1000~26500 Page25of33 BLE_2M_Ant1_2402_0~Reference BLE_2M_Ant1_2402_30~1000 Page26of33 BLE_2M_Ant1_2402_1000~26500 BLE_2M_Ant1_2440_0~Reference Page27of33 BLE_2M_Ant1_2440_30~1000 BLE_2M_Ant1_2440_1000~26500 Page28of33 BLE_2M_Ant1_2480_0~Reference BLE_2M_Ant1_2480_30~1000 Page29of33 BLE_2M_Ant1_2480_1000~26500 Page30of33 AppendixG:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt1 24020.420.6366.671.76 24400.410.6365.081.87 24800.420.6366.671.76 BLE_2MAnt1 24020.230.6336.514.38 24400.230.6336.514.38 24800.230.6336.514.38 Page31of33 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page32of33 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page33of33 BLE_2M_Ant1_2480 ---End---

ReportNo.:18220WC30116701FCCID:2ANPB-A101Page1of28 Code:AB-RF-05-b FCCTestReport Applicant:RNGInternationalInc. Address:5050SArchibaldAve,Ontario,CA91762,USA ProductName:SmartShunt300 ReportDate:Nov.03,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30116701FCCID:2ANPB-A101Page2of28 Code:AB-RF-05-b Contents 1.GeneralInformation............................................................................................................................................6 1.1.ClientInformation....................................................................................................................................6 1.2.DescriptionofDevice(EUT)..................................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest................................................................................................7 1.4.DescriptionofTestConfiguration..........................................................................................................7 1.5.DescriptionOfTestSetup......................................................................................................................8 1.6.TestEquipmentList.................................................................................................................................9 1.7.MeasurementUncertainty....................................................................................................................10 1.8.DescriptionofTestFacility...................................................................................................................10 2.SummaryofTestResults................................................................................................................................11 3.ConductedEmissionTest................................................................................................................................12 3.1.TestStandardandLimit.......................................................................................................................12 3.2.TestSetup...............................................................................................................................................12 3.3.TestProcedure.......................................................................................................................................12 3.4.TestData.................................................................................................................................................12 4.RadiationSpuriousEmissionandBandEdge.............................................................................................13 4.1.TestStandardandLimit.......................................................................................................................13 4.2.TestSetup...............................................................................................................................................13 4.3.TestProcedure.......................................................................................................................................14 4.4.TestData.................................................................................................................................................15 5.MaximumPeakOutputPowerTest...............................................................................................................23 5.1.TestStandardandLimit.......................................................................................................................23 5.2.TestSetup...............................................................................................................................................23 5.3.TestProcedure.......................................................................................................................................23 5.4.TestData.................................................................................................................................................23 6.6DBOccupyBandwidthTest..........................................................................................................................24 6.1.TestStandardandLimit.......................................................................................................................24 6.2.TestSetup...............................................................................................................................................24 6.3.TestProcedure.......................................................................................................................................24 6.4.TestData.................................................................................................................................................24 7.PowerSpectralDensityTest...........................................................................................................................25 7.1.TestStandardandLimit.......................................................................................................................25 7.2.TestSetup...............................................................................................................................................25 7.3.TestProcedure.......................................................................................................................................25 7.4.TestData.................................................................................................................................................25 8.100kHzBandwidthofFrequencyBandEdgeRequirement......................................................................26 8.1.TestStandardandLimit.......................................................................................................................26 8.2.TestSetup....................................................................................…

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version01 RNGInternationalInc. DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:RSHST-B02P300-G1 FCCID:2ANPB-A101 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor internal antennatype(s) describedbelow: ModuleRTL8762 ModelNo.ofantenna:MGMA3216H2450-A02 Typeofantenna:CeramicAntenna Gainoftheantenna:-0.081dBi Frequencyrange:2400-2500MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:ShenzhenLanlianDigitalTechnologyCo.,Ltd. Address:5050SArchibaldAve,Ontario,California,91762,UnitedStates City:Ontario ZIP/Postalcode:91762 Country:UnitedStates Place:CaliforniaDate:11/3/2023 Signature:

Antenna Performance TestReport ChipCeramicBluetoothAntenna ModelNo.:MGMA3216H2450-A02 ReportNo.:SZ08010022W01 TestApplicationVendor ShenzhenMJMicroelectronicsTechnologyCo. ShenzhenBaoanDistrictGuanlanTownGolfAvenueYuxingRoad Laboratory ShenzhenMooreRingCommunicationsTechnologyCo.,Ltd. 3/F,ElectronicTestingBuilding,ShaheRoad,Xili,Shenzhen,China Tel:+8675586130398 Fax:+8675586130218 Note:Thisreportmaybereproducedforlawfulusewiththepermissionoftheapplicantand noreproductionofthisreportispermittedwithoutthepermissionofShenzhenMooreRing CommunicationsTechnologyCo.Anyobjectionscanbesubmittedtouswithin30working days. 报告编号：SZ08010022W01 2/12 Contents 1.Summary 1.1Declaration 1.2TestInformation 1.3Conclusion 2.GeneralDescription 3.TechnicalDescription 3.1ApplicantInformation 3.2Descriptionoftestedantenna 4.Teststructures 4.1 ReferenceDocument 4.2TestConditions 4.3 Listoftestresults 4.3.1AntennaGain(dB) 4.3.2 Antennaefficiency(%) 4.3.3RadiationDirectionDiagrams AnnexAPictures AnnexBRawDataandGraphs 报告编号：SZ08010022W01 3 / 12 1.Summary 1.1Declaration （1）Thisreportis onlyresponsiblefor the samplestested. （2）Thisreportis validonlyin its entirety;it may not be reproducedor distributedin partwithoutMorlab'spermission. （3）Thisreportcannotbe madepublicand/orpromotedfor publicitypurposesin partor in wholewithoutMorlab'swrittenpermission. （4）Thisreportis not validif the signaturesof the ProjectManager,Tester,and LaboratorySupervisorare incomplete. （5）Any significancemustbe submittedto Morlabwithin30 workingdaysof receiptof the report. 1.2TestInformation ReportNo.:SZ08010022W01 ApplicationDate: 2008-1-10 TestDate:2008-1-10 LaboratorySupervisor:Shu Ruan Manager:DengJiankun TestEngineer:HuangpuLong 1.3Conclusion Duringthe test,the DUT workednormallyand the testwas passed. 报告编号：SZ08010022W01 4/12 2.GeneralDescription 2.1Testlaboratoryinformation Company : ShenzhenElectronicProductQualityTestingCentre QualityTestingCentreDepartment:MooreLaboratory Address:3/F,ElectronicTestingBuilding,ShaheRoad,Xili,Shenzhen,China LabSupervisor : ShuRuan Tel :+8675586130268 Fax :+8675586130218 2.2Testlocations Name:MooreLaboratory,ShenzhenElectronicProductQualityTestingCentre Address:3/F,ElectronicTestingBuilding,ShaheRoad,Xili,Shenzhen,China 2.3Recognitionofcertificates AccreditedLaboratory:CNALNo.L1659(ShenzhenElectronicProductQuality TestingCentre) 2.4Listoftestequipment No.TypeDescription 18960-5515CSystem Simulator Manufacturer:Agilent 2CMU200System Simulator Manufacturer:R&S 3E5071BVector NetworkAnalyzer Manufacturer:Agilent 44*4*4FullAnechoic Chamber Manufacturer:Satimo 5SG24Multi-probe AntennaMeasurement System Manufacturer:Satimo AppliedStandard(s):Overtheairperformancetestplanv2.2 报告编号：SZ08010022W01 5/12 3.TechnicalDescription Note:Providedbytheapplicant. 3.1ApplicantInformation Company:ShenzhenMeijieMicroelectronicsTechnologyCo. Address:YuxingRoad,GolfAvenue,GuanlanTown,Bao'anDistrict,Shenzhen, China. Contact:LiaoCailiang Tel:13480808433 Fax: E-mail： 3.2Descriptionoftestedantenna ModelName:MGMA3216H2450-A02 3.2.1 Photographsofthemeasuredobject PleaserefertoAnnexB. 3.2.2 Sampleidentification No.Note AUT02MGMA3216H2450-A02 报告编号：SZ08010022W01 6/12 4. Teststructures 4.1ReferenceDocument Mainreferencedocumentfortesting : No.IdentityDocumentTitle 1IEEE149-1979IEEEStandardTestProceduresforAntennas OtherTestReferenceDocuments : No.IdentityDocumentTitle 2ETSIEN50383Basicstandardforthecalculationandmeasurementof electromagneticfieldstrengthandSARrelatedtohumanexposure fromradiobasestationsandfixedterminalstationsforwireless telecommunicationsystems(110MHz–40GHz). 4.2TestConditions Testenvironmentconditions： 1 ）Temp： 20 ° C 2）Moisture：60％ Testsystemconnection: 报告编号：SZ08010022W01 7/12 Listoftestresults 4.3.1 AntennaGain (dBi) AUT02antennae 2402MHZ2441MHZ2480MHZ -0.081-0.351-0.507 4.3.2Antennaefficiency(%) AUT02antennae 2402MHZ2441MHZ2480MHZ 39.637.436.6 4.3 报告编号：SZ08010022W01 8/12 AnnexAPictures 1.Sample 报告编号：SZ08010022W01 9/12 AnnexBRawDataandGraphs 1.Rawdata PleaseseeAnnexDforaseparaterawdatafileDATA.xls. 2.Radiationmapofthemeasuredobject a)AUT02 1)3D(2402MHz) 2)Etotal 报告编号：SZ08010022W01 10/12 3)Phi=0 4)Phi=90 报告编号：SZ08010022W01 11/12 5)Theta=90 6)Efficiency 报告编号：SZ08010022W01 12/12

ProjectNo.:18220WC301167Page1of1 Code:AB-RF-05-b AppendixI--TestSetupPhotograph PhotoofRadiationEmissionTest