2A3NOTT125Wireless Transmission System

WirelessTransmissionSystem TT125 Directory Transmitter·····································································································3 Schematicdiagram·················································································3 Specificationparameter·········································································3 Receiver··········································································································4 Schematicdiagram·················································································4 Specificationparameter·········································································4 Functiondescription·······················································································5 Turnon/Turnoff·····················································································5 Transmitter·····························································································5 Unlock·····························································································5 Lock·································································································5 Channelregulation·········································································5 MuteFunctionon············································································5 MuteFunctionoff···········································································6 One-buttonshutdown···································································· Receiver·································································································· Unlock·····························································································6 Lock·································································································6 Channelregulation·········································································6 Mutesetting··················································································· Volumeadjustment········································································6 Automaticshutdown······································································7 Manuallysetuppairingconnections·····················································。 Transmittersetting·········································································7 Receiversetting··············································································7 Automaticallyinitiatesearchandpairingconnections·························7 Transmittersetting·········································································7 Receiversettings············································································8 Appendix ········································································· 8 Transmitter Schematicdiagram 1,Transmittingantenna2,ON/LOCK/OFFSwitch 3,Displayscreen4,MKey:One-keypairingbutton 5,CH-:channelminusbutton6,Type-CInterface 7,3.5MMMICmicrophoneinterface8,One-buttonmutebutton 9,CH+:channelplusbutton10,Chargingcontact(chargingbox) 11,Backclip Specificationparameter 1.Operatingfrequency:2.4GHz,supportupto999communicationchannels 2.Operatingcurrent:240mA,Operatingvoltage:3.7V 3.Chargingmethod:USBchargingcablecharging,chargingcurrentis1A,4Hfull.Usethecharging boxtocharge,thechargingcurrentis240mA,andittakesabout12hourstofullycharge. 4.Noisereduction:Support 5.Operatingtemperature:-20°~+70° 6.Microphone:Collarclipomni-directionalmicrophone 7.Distance:50-150m 8.Endurance:About18H 9.Dimensions:114.8mm(L)*54.8mm(W)*20.6mm(H). 10.Batterycapacity:3000mAh Receiver Schematicdiagram 1 ， Antenna2,ON/LOCK/OFFSwitch 3，Displayscreen4,VOL-:volumeminusbutton 5，CH-:channelminusbutton6,Type-Cchargingport 7,3.5mmheadphonejack8,VOL+:volumeplusbutton 9 ， CH+Channelplusbutton10,Chargingcontactpoint 11,Backclip Specificationparameter 1.Frequencyofoperation:2.4GHz,supportupto999communicationchannels 2.Receivingsensitivity:-106dBm. 3.Operatingcurrent:27mA. 4.Chargingmethod:USBchargingcablecharging,chargingcurrentis1A,4Hfull.Usethecharging boxtocharge,thechargingcurrentis240mA,andittakesabout12hourstofullycharge. 5.Operatingtemperature:-20 ° ~+70 ° 6.Headphones:32Omega,D-shaped. 7.Receivingdistance:50-150m 8.Endurance:About100H. 9.Dimensions:114.8mm(L)*54.8mm(W)*20.6mm(H) 10.Batterycapacity:3000mAh3.7V Functiondescription Turnon/Turnoff/Lock 1.Toggletheswitchonthetopoftheproductto"ON"toturniton;to"LOCK"tomeanthe channelislocked;to“OFF"toturnitoff; 2.WhentheproductisintheLOCKstate,allthebuttonsoftheproductarelocked;thefunction ofthebuttonscannotbeunlockeduntilitisturnedto"ON"; 3.Iftheproductisinthe"ON"state,itwillenterthelockedstateafter30secondswithoutany operation;ifthereisnooperationfor30seconds,theproductwillentertheoff-screenstate;if theproductisinthe"LOCK"state,itwillenterthelockedstateafter30seconds.Inthecaseof humanoperation,itwillentertheoff-screenstateafter30seconds; 4.Whenthetransmitterisinthe"LOCK"state,theone-buttonmutefunctionoftheproductis notlocked;whenthereceiverisinthe"LOCK"state,theVOL-/VOL+functionoftheproductisnot locked; Transmitter Unlock Turnthetoggleswitchtothe"ON"position,theproductisunlocked,andallbuttonscan operatenormally. Lock Turnthetoggleswitchto"LOCK"Gear,theproductisinalockedstate;Ortheproductisinan unmannedstate,30Itautomaticallyentersthelockedstateafterseconds.Inthisstate,Donot lock"One-buttonmute"keyfunction; Channeladjustment Intheunlockedstate,shortpressthe"CH+"or"CH-"buttontochangethechannel.Long pressthe"CH+"or"CH-"buttontoquicklyincrease/decreasethechannelintheformoftens. MuteFunctionon Intheunlockedstate,press""toturnonmutefunction,thescreenwilldisplaytheicon "",thereceivercannolongerreceivethevoicesignalfromthetransmitter. MuteFunctionoff Pressthe""buttoninthemutestate,themutefunctionwillbeturnedoff,andthenthe receivercannormallyreceivethevoicesignalfromthetransmitter. One-keypairing Intheunlockedstate,longpressthe"M"keytoenterthecodepairingmode,thechan…

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ZHENGZHOUYSAIRTECHNOLOGYCO.,LTD. TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCC. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 6/28/23 U.S.AgentDesignation ZHENGZHOUYSAIRTECHNOLOGYCO.,LTD.acknowledgestheirconsentforthefollowingcontact locatedintheUnitedStatestoactastheiragentforserviceofprocessfortheequipmentforwhich authorizationissought(FCCID:2A3NOTT125): Contact:LiuyeLi CompanyU.S.agent:RETEVISINC PhysicalU.S.addressofagent:1733EBROOKPORTST,COVINA,,CA91724 FRNofU.S.agent:0033657701 EmailaddressofU.S.agent:[email protected] PhoneofU.S.agent:626-362-2594 RETEVISINCacknowledgestheirobligationtoacceptserviceofprocessonbehalfofZHENGZHOU YSAIRTECHNOLOGYCO.,LTD. Thisacceptancewillbeineffecttilltheapplicantdecidestochangetheagentofserviceofprocess. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(d)(7) ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD.with the FRN 0031620636 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. . Sincerely, Signature Weidong Shen General Manager ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD. Signature LiuyeLi Manager RETEVISINC 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 3

Covered Equipment Identification Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows: We, applicant Company Name: ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD Address: ROOM 709,SANJIANG BUILDING, NO.170 NANYANG ROAD,HUIJI DISTRICT, ZHENGZHOU,HENAN, China Phone: +86-371-63262209 certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-07-31 Name / Title: Weidong Shen / General Manager Company: ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD Address: ROOM 709,SANJIANG BUILDING, NO.170 NANYANG ROAD,HUIJI DISTRICT, ZHENGZHOU,HENAN, China Phone: +86-371-63262209 Fax: N/A E-Mail: [email protected]

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2A3NOTT125 TT125 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-07-31 Name / Title: Weidong Shen / General Manager Company: ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD Address: ROOM 709,SANJIANG BUILDING, NO.170 NANYANG ROAD,HUIJI DISTRICT, ZHENGZHOU,HENAN, China Phone: +86-371-63262209 Fax: N/A E-Mail: [email protected]

Page1of5FCCID:2A3NOTT125 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 Page2of5FCCID:2A3NOTT125 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 Page3of5FCCID:2A3NOTT125 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.5 Fig.6 Page4of5FCCID:2A3NOTT125 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.7 Fig.8 Page5of5FCCID:2A3NOTT125 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.9

Page1of1FCCID:2A3NOTT125 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:L3.0cmx2.0cm) LabelLocation WirelessTransmissionSystem Model:TT125 FCCID:2A3NOTT125

Page1of6FCCID:2A3NOTT125 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 Page2of6FCCID:2A3NOTT125 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 Antenna Page3of6FCCID:2A3NOTT125 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.5 Fig.6 Page4of6FCCID:2A3NOTT125 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.7 Fig.8 Page5of6FCCID:2A3NOTT125 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.9 Fig.10 Page6of6FCCID:2A3NOTT125 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.11 Fig.12

Page1of3FCCID:2A3NOTT125 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 FCCRFExposureEvaluation 1.ProductInformation FCCID:2A3NOTT125 Productname:WirelessTransmissionSystem TestModel:TT125 PowerSupply: Input:DC5V Battery:DC3.7V,3000mAh HardwareVersion:/ SoftwareVersion:/ 2.4G:2402MHz~2480MHz ChannelNumber:40 ChannelSpacing:2MHz ModulationType:GFSK AntennaType:InternalAntenna AntennaGain:2.49dBi Exposurecategory:Generalpopulation/uncontrolledenvironment EUTType:ProductionUnit DeviceType:PortableDevice 2.EvaluationmethodandLimit AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSAR testexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDB procedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulation exposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition,listedbelow,issatisfied.Thesetest exclusionconditionsarebasedonsource-basedtime-averagedmaximumconductedoutputpower oftheRFchannelrequiringevaluation,adjustedfortune-uptolerance,andtheminimumtest separationdistancerequiredfortheexposureconditions.22Theminimumtestseparationdistance isdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresoroutersurfaceof thedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements,toany partofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbythe operatingconfigurationsandexposureconditionsofthetransmitterandapplicablehostplatform requirements,typicallyintheSARmeasurementorSARanalysisreport,accordingtotherequired publishedRFexposureKDBprocedures.WhennootherRFexposuretestingorreportingis required,astatementofjustificationandcompliancemustbeincludedintheequipmentapproval,in lieuoftheSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfiedbefore applyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-wayradios,handsets, laptops&tabletsetc.“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm Page2of3FCCID:2A3NOTT125 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 andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingtof)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportablehost platformexposureconditions.ThegranteeisresponsiblefordocumentingthisaccordingtoClassI permissivechangerequirements.AntennasthatqualifyforstandaloneSARtestexclusionmust applytheestimatedstandaloneSARtodeterminesimultaneoustransmissiontestexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantennaconfiguration, adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is≤ 1.0. 3.ReferEvaluationMethod ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadio FrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevices RFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices Page3of3FCCID:2A3NOTT125 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 4.ConductedPowerResults <2.4G> ModeChannelFrequency(MHz) PeakConductedOutputPower(dBm) GFSK 02402 -0.43 192440 -0.11 392480 0.15 5.ManufacturingTolerance <2.4G> GFSK(Peak) ChannelChannel0Channel19Channel39 Target(dBm) 000 Tolerance±(dB) 1.01.01.0 6.EvaluationResults 6.1StandaloneEvaluation Band/Mode f (GHz) Antenna Distance (mm) RFoutputpower SARTest Exclusion Threshold SARTest Exclusion dBmmW 2.4GGFSK2.48051.00.79430.2502<3.0Yes Remark: 1.Outputpowerincludingtuneuptolerance; 2.Whentheminimumtestseparationdistanceis<5mm,adistanceof5mmaccordingtof)insection 4.1isappliedtodetermineSARtestexclusion. 6.2SimultaneousTransmissionforSARExclusion ThesamplesupportoneBTmodular.Noneedconsidersimultaneoustransmission. 7.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolledRF ExposureandSARExclusionThresholdperKDB447498v06. .......................THEENDOFREPORT.........................

1 深圳市飞敏科技有限公司 ShenZhen City FeiMin Technology CO.,LTD. 产品承认书 SPECIFICATION FOR APPROVED 客户 CUSTOMER: ZHENGZHOU YSAIR TECHNOLOGY CO.,LTD 产品名称 PRODUCTS: 2.4GANT 客户料号 PART NO: 产品型号 Spec.: FM-2199-2.4G 日期 Data: 2023.05.05 备注：承认盖章后请回复一份承认书（或复印件）给我司，其余由贵公司存档 REMARK:Please send us one(or copy)of this approval with stamp after accepting,other copies filed by the customer. 地址：深圳市宝安区西乡街道固戍社区恒南一路C栋厂房303室 ADD:Room 303,Building C,Hengnan one Road,Gushu community,Xixiang Street,Bao’an District,Shenzhen City 电话Tel: 0755-23035723 传真Fax: 0755-23036702 邮箱E-mail: [email protected] 网址HTTP:www.fmant.cn 客户 CUSTOMER 承认 ACCEPTED BY 审核 CHECKED BY 批准 APPROVED BY 供应商 SUPPLIER 拟制 PREPARED BY 审核 CHECKED BY 批准 APPROVED BY 马凡 夏兴喜 马冬冬 ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 4 1. 项目信息Project Information 1.1. 外观尺寸Appearance and Dimensions ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 5 2. 电气性能 Electrical Characteristics 2.1. 测试环境条件Test Environment Conditions 温度Temperature Ordinary Temperature (5 to 35°C) 湿度Humidity Ordinary Humidity (25 to 85% RH) 2.2. 测示方法Measurement method 2.3.天线驻波比、天线回波损耗、史密斯圆图Antenna Return loss，Antenna SWR、 Smith chart ANTENNA SPECIFICATION 深圳市飞敏科技有限公司 Shenzhen Feimin Technology Co.,Ltd 6 2.3.1天线效率及增益Antenna efficiency and gain Frequency (MHz) Gain (dBi) Efficiency (%) 2400 MHz 1.5 33.49 2410 MHz 1.72 34.74 2420 MHz 2.32 38.13 2430 MHz 2.49 40.05 2440 MHz 2.34 40.41 2450 MHz 2.15 40.25 2460 MHz 1.98 40.79 2470 MHz 1.79 41.42 2480 MHz 1.61 41.52 2490 MHz 1.76 42.64 2500 MHz 1.87 42.93 2.3.2天线辐射方向图Antenna Radiation Pattern XOY-plane@2450MHz YOZ-plane@2450MHz XOZ-plane@2450MHz 3D-plane @2450MHz

Page1of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 AppendixA RFTestDataforBLE(ConductedMeasurement) ProductName:WirelessTransmissionSystem TestModel:TT125 EnvironmentalConditions Temperature: 23.5C RelativeHumidity: 52.2% ATMPressure: 100.0kPa TestEngineer: JokerHu Supervisedby: LiHuan Page2of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 A.1-6dBBandwidth ConditionModeFrequency(MHz)Antenna-6dBBandwidth(MHz)Limit-6dBBandwidth(MHz)Verdict NVNT2.4G2402Ant10.692>=0.5Pass NVNT2.4G2440Ant10.702>=0.5Pass NVNT2.4G2480Ant10.705>=0.5Pass Page3of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 TestGraphs -6dBBandwidthNVNT2.4G2402MHzAnt1 -6dBBandwidthNVNT2.4G2440MHzAnt1 Page4of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 -6dBBandwidthNVNT2.4G2480MHzAnt1 Page5of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 A.2MaximumConductedOutputPower ConditionModeFrequency(MHz)AntennaTotalPower(dBm)Limit(dBm)Verdict NVNT2.4G2402Ant1-0.4330Pass NVNT2.4G2440Ant1-0.1130Pass NVNT2.4G2480Ant10.1530Pass Page6of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 TestGraphs PowerNVNT2.4G2402MHzAnt1 PowerNVNT2.4G2440MHzAnt1 Page7of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 PowerNVNT2.4G2480MHzAnt1 Page8of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 A.3MaximumPowerSpectralDensityLevel ConditionModeFrequency(MHz)AntennaTotalPSD(dBm/3kHz)Limit(dBm/3kHz)Verdict NVNT2.4G2402Ant1-15.458Pass NVNT2.4G2440Ant1-15.148Pass NVNT2.4G2480Ant1-15.168Pass Page9of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 TestGraphs PSDNVNT2.4G2402MHzAnt1 PSDNVNT2.4G2440MHzAnt1 Page10of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 PSDNVNT2.4G2480MHzAnt1 Page11of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 B.4BandEdge ConditionModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict NVNT2.4G2402Ant1-55.53-20Pass NVNT2.4G2480Ant1-55-20Pass Page12of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 TestGraphs BandEdgeNVNT2.4G2402MHzAnt1Ref BandEdgeNVNT2.4G2402MHzAnt1Emission Page13of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 BandEdgeNVNT2.4G2480MHzAnt1Ref BandEdgeNVNT2.4G2480MHzAnt1Emission Page14of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 A.5ConductedRFSpuriousEmission ConditionModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict NVNT2.4G2402Ant1-54.11-20Pass NVNT2.4G2440Ant1-54.72-20Pass NVNT2.4G2480Ant1-54.78-20Pass Page15of23FCCID:2A3NOTT125ReportNo.:LCSA062823106EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStr…

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Page1of34FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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 ZHENGZHOUYSAIRTECHNOLOGYCO.,LTD WirelessTransmissionSystem TestModel:TT125 Preparedfor:ZHENGZHOUYSAIRTECHNOLOGYCO.,LTD Address:ROOM709,SANJIANGBUILDING,NO.170NANYANGROAD, HUIJIDISTRICT,ZHENGZHOUHENANCHINA 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:June30,2023 Numberoftestedsamples:2 SampleNo.:A062823106-1,A062823106-2 Serialnumber:Prototype DateofTest:June30,2023~July13,2023 DateofReport:July13,2023 Page2of34FCCID:2A3NOTT125ReportNo.:LCSA062823106EA 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(15.247) ReportReferenceNo......................:LCSA062823106EA DateofIssue.......................................:July13,2023 TestingLaboratoryName..............:ShenzhenLCSComplianceTestingLaboratoryLtd. Address................................................:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China TestingLocation/Procedure............:FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................:ZHENGZHOUYSAIRTECHNOLOGYCO.,LTD Address................................................:ROOM709,SANJIANGBUILDING,NO.170NANYANGROAD,HUIJI DISTRICT,ZHENGZHOUHENANCHINA TestSpecification Standard..............................................: FCCCFR47PART15C(15.247) TestReportFormNo......................:LCSEMC-1.0 TRFOriginator....................................:ShenzhenLCSComplianceTestingLaboratoryLtd. MasterTRF.........................................:Dated2011-03 ShenzhenLCSComplianceTestingLaboratoryLtd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongastheShenzhen LCSComplianceTestingLaboratoryLtd.isacknowledgedascopyrightownerandsourceofthematerial. ShenzhenLCSComplianceTestingLaboratoryLtd.takesnoresponsibilityforandwillnotassumeliabilityfor damagesresultingfromthereader'sinterpretationofthereproducedmaterialduetoitsplacementandcontext. EUTDescription...............................:WirelessTransmissionSystem TradeMark..........................................:RETEKESS TestModel...........................................:TT125 Ratings.................................................:Input:DC5V Battery:DC3.7V,3000mAh Result...................................................:Positive Compiledby:Su…

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