2AL7Y-REXCyber-rex Transmitter

<DongguanYinyanElectricTech.Ltd.> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:May.06,2021 Subject;RequestforLongTermConfidentiality FCCID:2AL7Y-REX ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,weare requestingtheCommissiontowithholdthefollowingattachment(s)asconfidentialdocumentsfrom publicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredasproprietary informationinoperationoftheequipment.Thepublicdisclosureofthesedocumentsmightbeharmfulto ourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatandcorrespondenceduring thecertificationreviewprocesscannotbegrantedasconfidentialdocumentsandthisinformationwillbe availableforpublicreviewoncethegrantofequipmentauthorizationisissued. Sincerely, Signature: Name:JKZhang Title:GeneralManager

DongguanYinyanElectricTech.Ltd. LetterofAuthorization Company:DongguanYinyanElectricTech.Ltd. Address:EMAXIndustrialPark,Gao-LongIndustrialZone,HuanzhuliVillage, ChangpinTown,Dongguan,GuangdongProvince,China ProductName:Cyber-rexTransmitter ModelNumber:S1 FCCIdentifier:2AL7Y-REX WeauthorizeMiCOMLabsInc,575BoulderCourt,Pleasanton,California94566, USA,toactonourbehalfonallmattersconcerningtheabovenamedequipment. AnyindividualwithinMiCOMLabsisauthorizedtoactonourbehalfandtake actionontheapplication. WedeclarethatMiCOMLabsInc,575BoulderCourt,Pleasanton,California 94566,USA,isallowedtoforwardallinformationrelatedtotheapprovalproject totheFederalCommunicationCommissionandtodiscussanyissues concerningtheapprovalapplication.AnyandallactscarriedoutbyMiCOMLabs onourbehalfshallhavethesameeffectasactsofourown. Name:JKZhangDate:May.06,2020 Title:GeneralManager Signatureofapplicant:

Model:S1 Model:S1 Model:S1

FCCIDLABEL: LabelLocation: FCCID:2AL7Y-REX Productname:Cyber-rexTransmitter ModelNo.:S1 ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethat maycauseundesiredoperation. Long:3cm Width:2cm

Model:S1 Model:S1 Model:S1 Antenna

Page1of21ReportNo.:UNIA20100902ER-01 FCCRADIOTESTREPORT FCCID:2AL7Y-REX Product ： Cyber-rexTransmitter TradeName： EMAX ModelName ： S1 SerialModel： N/A ReportNo. ： UNIA20100902ER-01 Preparedfor DongguanYinyanElectricTech.Ltd. EMAXIndustrialPark,Gao-LongIndustrialZone,HuanzhuliVillage, ChangpinTown,Dongguan,GuangdongProvince,China Preparedby ShenzhenUnitedTestingTechnologyCo.,Ltd. 2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Page2of21ReportNo.:UNIA20100902ER-01 TESTRESULTCERTIFICATION Applicant’sname....................: DongguanYinyanElectricTech.Ltd. Address......................................: EMAXIndustrialPark,Gao-LongIndustrialZone,HuanzhuliVillage, ChangpinTown,Dongguan,GuangdongProvince,China Manufacture'sName .............. : DongguanYinyanElectricTech.Ltd. Address ...................................... : EMAXIndustrialPark,Gao-LongIndustrialZone,HuanzhuliVillage, ChangpinTown,Dongguan,GuangdongProvince,China Productdescription Productname............................... : Cyber-rexTransmitter TradeMark.................................: EMAX Modeland/ortypereference . : S1 Standards..................................: FCCRulesandRegulationsPart15SubpartCSection15.249, ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyShenzhenUnitedTestingTechnologyCo., Ltd.,andthetestresultsshowthattheequipmentundertest(EUT)isincompliancewiththe FCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofUNI,this documentmaybealteredorrevisedbyShenzhenUnitedTestingTechnologyCo.,Ltd., personnelonly,andshallbenotedintherevisionofthedocument. Date(s)ofperformanceoftests ............... :Oct.09,2020~Apr.20,2021 DateofIssue..............................................: May.06,2021 TestResult..................................................:Pass Preparedby: Bobliao/Editor Reviewer: Kahnyang/Supervisor Approved&AuthorizedSigner: Liuze/Manager Page3of21ReportNo.:UNIA20100902ER-01 TableofContentsPage 1.TESTSUMMARY4 2.GENERALINFORMATION5 2.1GENERALDESCRIPTIONOFEUT5 2.2CarrierFrequencyofChannels6 2.3OperationofEUTduringtesting6 2.4DESCRIPTIONOFTESTSETUP6 2.5MEASUREMENTINSTRUMENTSLIST7 3.CONDUCTEDEMISSIONSTEST8 3.1ConductedPowerLineEmissionLimit8 3.2TestSetup8 3.3TestProcedure8 3.4TestResult8 4RADIATEDEMISSIONTEST9 4.1RadiationLimit9 4.2TestSetup9 4.3TestProcedure10 4.4TestResult11 5BANDEDGE16 5.1Limits16 5.2TestProcedure16 5.3TestResult16 6OCCUPIEDBANDWIDTHMEASUREMENT18 6.1TestSetup18 6.2TestProcedure18 6.3MeasurementEquipmentUsed18 6.4TestResult18 7ANTENNAREQUIREMENT20 8PHOTOGRAPHOFTEST21 RadiatedEmission21 Page4of21ReportNo.:UNIA20100902ER-01 1.TESTSUMMARY TESTPROCEDURESANDRESULTS DESCRIPTIONOFTESTRESULTSTANGARD CONDUCTEDEMISSIONSTEST N/AFCCPart15.207 RADIATEDEMISSIONTESTCOMPLIANTFCCPart15.209/15.249 BANDEDGECOMPLIANTFCCPart15.249(d) 20dBBandwidthCOMPLIANTFCCPart15.215 ANTENNAREQUIREMENTCOMPLIANTFCCPart15.203 TESTFACILITY TestFirm:ShenzhenUnitedTestingTechnologyCo.,Ltd. Address:2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Thetestingqualityabilityofourlaboratorymeetwith"QualityLawofPeople'sRepublicof China"Clause19.ThetestingqualitysystemofourlaboratorymeetswithISO/IEC-17025 requirements.ThisapprovalresultisacceptedbyMRAofAPLAC. Ourtestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: A2LACertificateNumber:4747.01 TheEMCLaboratoryhasbeenaccreditedbyA2LA,andincompliancewithISO/IEC 17025:2017GeneralRequirementsfortestingLaboratories. FCCRegistrationNumber:674885 TheEMCLaboratoryhasbeenregisteredandfullydescribedinareportfiledwiththe(FCC) FederalCommunicationscommission. ICRegistrationNumber:21947 TheEMCLaboratoryhasbeenregisteredandfullydescribedinareportfiledwiththe(IC) IndustryCanada. MEASUREMENTUNCERTAINTY MeasurementUncertainty ConductedEmissionExpandedUncertainty=2.23dB,k=2 Radiatedemissionexpandeduncertainty(9kHz-30MHz)= 3.08dB,k=2 Radiatedemissionexpandeduncertainty(30MHz-1000MHz)= 4.42dB,k=2 Radiatedemissionexpandeduncertainty(Above1GHz)= 4.06dB,k=2 Page5of21ReportNo.:UNIA20100902ER-01 2.GENERALINFORMATION 2.1GENERALDESCRIPTIONOFEUT EquipmentCyber-rexTransmitter TradeMarkEMAX ModelName S1 SerialNo. N/A ModelDifferenceN/A FCCID 2AL7Y-REX AntennaTypeInternetAntenna AntennaGain 1dBi FrequencyRange2405~2478MHz NumberofChannels29CH ModulationType GFSK PowerSourcePoweredby3*1.5Vbatteries Page6of21ReportNo.:UNIA20100902ER-01 2.2CarrierFrequencyofChannels ChannelList Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 012405092458172466252474 022451102459182467262475 032452112460192468272476 042453122461202469282477 052454132462212470292478 062455142463222471 072456152464232472 082457162465242473 2.3OperationofEUTduringtesting OperatingMode Themodeisused:Transmittingmode LowChannel:2405MHz MiddleChannel:2464MHz HighChannel:2478MHz 2.4DESCRIPTIONOFTESTSETUP OperationofEUTduringRadiationtesting: Tableforauxiliaryequipment: EquipmentDescriptionManufacturerModelCalibrationDueDate N/AN/AN/AN/A EUT Page7of21ReportNo.:UNIA20100902ER-01 2.5MEASUREMENTINSTRUMENTSLIST ItemEquipmentManufacturerModelNo.SerialNo.Calibrateduntil ConductionEmissionsMeasurement 1 ConductedEmission TestSoftware EZ-EMCVer.CCS-3A1-CEN/AN/A 2AMNSchwarzbeckNNLK812181213702021.10.15 3AMNETS3810/2000201992021.10.15 4AANTESEQT8-Cat6388882021.10.15 5PulseLimiterCYBRTEKEM5010E1150100562021.05.26 6EMITestReceiverRohde&SchwarzESCI1012102021.10.15 RadiatedEmissionsMeasurement 1 RadiatedEmission TestSoftware EZ-EMCVer.CCS-03A1N/AN/A 2HornAntennaSunolDRH-118A1014152021.10.15 3 BroadbandHybrid Antenna SunolJB1A0902152021.11.15 4PREAMPHP8449B3008A001602021.10.21 5PREAMPHP8447D2944A079992021.05.26 6 EMITEST RECEIVER Rohde&SchwarzESR31018912021.10.15 7 VECTORSignal Generator Rohde&SchwarzSMU200A1015212021.10.15 8SignalGeneratorAgilentE4421BMY43351052021.10.15 9MXASignalAnalyzerAg…

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Model:S1