2AV7NCV-2Wireless Microphone System

FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD2104 - GUANGZHOU RANTION TECHNOLOGY CO., LTD . - 6 3/21/24 U.S.AgentDesignation Name and company of U.S. agent:Donner LLC Physical U.S. address of agent:525 N Tryon St Suite 1727 Charlotte, NC 28202, No1ih Carolina,USA FRN of U.S. agent:0033872037 Email address of U.S.agent: [GUANGZHOU RANTION TECHNOLOGY 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:2AV7NCV-2): [email protected] [Donner LLC] acknowledges their obligation to accept service of process on behalf of [GUANGZHOU RANTION TECHNOLOGY CO., LTD.]. [GUANGZHOU RANTION TECHNOLOGY CO., LTD.] with the FRN [0029472495] 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). 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 within 30 days via the granting TCB. Sincerely, Signature [Name]Linzhan Liang [Title]Engineer [Company]GUANGZHOU RANTION TECHNOLOGY CO.,LTD. Signature 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 5 -GUANGZHOURANTIONTECHNOLOGYCO.,LTD- [Name of U.S. agent]Linzhan Liang [Title of U.S. agent]Engineer [Company of U.S. agent] Donner LLC

C5266091_X24_Ed.2 1/1 GUANGZHOU RANTION TECHNOLOGY CO., LTD. “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: GUANGZHOU RANTION TECHNOLOGY CO., LTD. FRN: 0029472495 Grantee code: 2AV7N FCC ID: 2AV7NCV-2 Contact Name: Linzhan Liang Address: Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater Bay Area, No. 28 Huangpu Park West Road, Huangpu District, Guangzhou, China. Telephone No: 020-81401406 Fax No: 020-81401406 Email: [email protected] i. [GUANGZHOU RANTION TECHNOLOGY CO., LTD.] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification. ii. [GUANGZHOU RANTION TECHNOLOGY CO., LTD.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [GUANGZHOU RANTION TECHNOLOGY CO., LTD.] (“the applicant”) certifies 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 . Date: 2024/08/14 Applicant’s Name: Linzhan Liang Title: Engineer Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

GUANGZHOURANTIONTECHNOLOGYCO.,LTD. DeclarationonModelDifferences We, GUANGZHOURANTIONTECHNOLOGYCO.,LTD. Room7002and7003,7thFloor,DigitalEntertainmentIndustrialPark,GreaterBay Area,No.28HuangpuParkWestRoad,HuangpuDistrict,Guangzhou,China. Declarethatthefollowingproduct(s): FCCID:2AV7NCV-2 ProductName:WirelessMicrophoneSystem ModelNo.:CV-2,CV-1,CV-3,EC6970 Utilizetheidenticalcircuitdesign,PCBlayout,shieldingandinterfacewith(CV-2),only modelnamedifferent.Thereforethisapplicationcanberegardedasidenticalinperformance tothesubmittedtestsample. Themanufacturerwouldtakealltheresponsibilitiesfortheaboveproduct(s). Forandonbehalfof Sincerely, Signature LinzhanLiang Engineer GUANGZHOURANTIONTECHNOLOGYCO.,LTD. *IherebydeclarethatIamentitledtosignonbehalfoftheapplicantandthattheinformationsuppliediscorrectandcomplete.

C5266091_X8_Ed.1 1/1 Letter of Authorization GUANGZHOU RANTION TECHNOLOGY CO., LTD. Company: GUANGZHOU RANTION TECHNOLOGY CO., LTD. Address: Room 7002 and 7003, 7th Floor, Digital Entertainment Industrial Park, Greater Bay Area, No. 28 Huangpu Park West Road, Huangpu District, Guangzhou, China. Product Name: Wireless Microphone System Model Number: CV-2, CV-1, CV-3, EC6970 FCC Identifier: 2AV7NCV-2 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Linzhan Liang Date: 2024.08.14 Title: Engineer Signature of applicant:

C5266091_X10_Ed.2 1/1 GUANGZHOURANTIONTECHNOLOGYCO.,LTD. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2024-08-13 Subject:RequestforConfidentiality FCCID:2AV7NCV-2 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-TermConfidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☒ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☒ User’sManual ☐ NOTE 1 ☒ InternalPhotos ☐ NOTE 1 ☒ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof__180__daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:LinzhanLiang Title:Engineer 2024.08.13

Labellocation label Wireless Microphone System Model:CV-2 Input:5V=100mA, Battery capacity:400mAh Made in China FCC ID: 2AV7NCV-2

RFEXPOSUREEVALUATION FCCID:2AV7NCV-2 AccordingtoKDB447498D01MobileandPortableDevicesRFExposure ProceduresandEquipmentAuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiationas specifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnotrequired, portabletransmitterswithoutputpowergreaterthantheapplicablelowthresholdrequire SARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 24020.030.03±11.03050.3933 2.4G24412.252.25 ± 13.25050.6603 2480-0.28-0.28±10.72050.3723 Result:NoStandaloneSARtestisrequired.

ReportNo.:182512C400522101Page1of35 FCCID:2AV7NCV-2 FCCTestReport Applicant: GUANGZHOURANTIONTECHNOLOGYCO., LTD. Address: Room7002and7003,7thFloor,Digital EntertainmentIndustrialPark,GreaterBayArea, No.28HuangpuParkWestRoad,Huangpu District,Guangzhou,China. ProductName:WirelessMicrophoneSystem ReportDate:Aug.13,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:182512C400522101Page2of35 FCCID:2AV7NCV-2 Contents 1.GeneralInformation.................................................................................................................................6 1.1.ClientInformation...........................................................................................................................6 1.2.DescriptionofDevice(EUT)..........................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest..........................................................................................7 1.4.Operationchannellist....................................................................................................................7 1.5.DescriptionofTestModes.............................................................................................................8 1.6.MeasurementUncertainty.............................................................................................................8 1.7.TestSummary................................................................................................................................8 1.8.DescriptionofTestFacility.............................................................................................................9 1.9.Disclaimer......................................................................................................................................9 1.10.TestEquipmentList...................................................................................................................10 2.Antennarequirement..............................................................................................................................12 2.1.Conclusion...................................................................................................................................12 3.ConductedEmissionatACpowerline..................................................................................................13 3.1.EUTOperation.............................................................................................................................13 3.2.TestSetup....................................................................................................................................13 3.3.TestData......................................................................................................................................14 4.OccupiedBandwidth..............................................................................................................................16 4.1.EUTOperation.............................................................................................................................17 4.2.TestSetup....................................................................................................................................17 4.3.TestData......................................................................................................................................17 5.MaximumConductedOutputPower......................................................................................................18 5.1.EUTOperation.............................................................................................................................18 5.2.TestSetup....................................................................................................................................18 5.3.TestData......................................................................................................................................18 6.ChannelSeparation...............................................................................................................................19 6.1.EUTOperation.............................................................................................................................19 6.2.TestSetup....................................................................................................................................19 6.3.TestData......................................................................................................................................19 7.NumberofHoppingFrequencies...........................................................................................................20 7.1.EUTOperation.............................................................................................................................20 7.2.TestSetup....................................................................................................................................20 7.3.TestData......................................................................................................................................20 8.DwellTime..............................................................................................................................................21 8.1.EUTOperation.............................................................................................................................22 8.2.TestSetup....................................................................................................................................22 8.3.TestData......................................................................................................................................22 9.Emissionsinnon-restrictedfrequencybands.......................................................................................23 9.1.EUTOperation..............................................................................…

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产品规格书 项目名称： H58 产品名称： H58-BTantenna 产品料号： 20240808-V0.2B 请贵司承应签字盖章后返回一份给我司存档，多谢合作！ 制作人审 核日 期 黄加俊吴延龙2024-8-8 客户确认 客户名称：锐族科技 批准： 时间： 注释： 深圳市星通无线技术有限公司 ShenzhenXingtongWieressTechnologyCo.,Ltd 电 话：+86-755-27850514传 真：+86-0755-27850514 地址：深圳市宝安区西乡九围强荣东工业区A1栋3楼 深圳市星通无线技术有限公司 ShenzhenXingtongWieressTechnologyCo.,Ltd 日期20 24 -08-08 版本A0 文件编号XT -YF -00 4 产品名称H58-BT天线产品编号H58 -APP-RA 第1页/共4页 1. Product structure (Product Constrution) 1. Antenna material: FPC 2. Adhesive model: 3M9471 3. Antenna size: 21.00*7.5 (tolerance ±0.2mm) 4. Coaxial cable size: 30mm*0.81 (tolerance ±1.0mm) 2. Basic information (parameters) Scope of use: customer-supplied machines A ntenna frequency: 2400-2500Mhz Installation method: terminal wire connected to the motherboard Antenna impedance: 50 ohms Antenna gain: ＞3.5dbi P olarization: horizontal/vertical P acking method: use PE bag + packing box 2.天线S11 值 （ S11） 3.1：天线驻波比  3.2：天线回损值 深圳市星通无线技术有限公司 ShenzhenXingtongWieressTechnologyCo.,Ltd 日期2024-08-08 版本A0 文件编号XT-YF-004 产品名称H58-BT天线产品编号H58-APP-RA 第2页/共4页 4.天线性能(OTA) 4.1：天线匹配建议 4.2：天线效率增益（测试仪器：网络分析仪、示波器、客供工程样机、各类标准卡等） BT-OTA-2D: BT-OTA-3D: 深圳市星通无线技术有限公司 Shenzhen Xingtong Wieress Technology Co., Ltd 日 期2024-08-08 版本A0 文件编号XT-YF-004 产品名称H58-BT 天线产品编号H58-APP-RA 第3页/共4页 5.附图： 5.1：天线成品图 深圳市星通无线技术有限公司 ShenzhenXingtongWieressTechnologyCo.,Ltd 日期2024-08-08 版本A0 文件编号XT-YF-004 产品名称H58-BT天线产品编号H58-APP-RA 第4页/共4页 6.可靠性测试： 序号测试项目测试要求测试工具测试结果 1耐锡熔性288°C，10S，不分层、不起泡锡炉Ok 2可焊性 245°C，5s，锡面平滑，焊锡面 积≥95% 锡炉Ok 3拉扯力N/A拉力计Ok 4反转拉扯力N/A拉力计Ok 5剥离强度（覆盖膜）≥0.35kg/cm剥离强度测试计Ok 6剥离强度（铜箔）≥0.8kg/cm剥离强度测试计Ok 7热熔胶流动性0.1～0.15/Ok 7.注意事项： 环境处理：无环境处理。 开封后，请仔细检查物品是否完整，如有损伤，请立即联系我们。

Page 1 of 23 AppendixTestData ReportNo:182512C400522101TestSampleNO:1-2-2 StartTestDate：2024.8.5FinishTestDate:2024.8.5 TestEngineer:Auditor: Temperature:26.3 °C RelativeHumidity:45% Pressure:101kPa AppendixA:20dBEmissionBandwidth TestResult TestModeAntennaFrequency[MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 2.4GAnt124020.822401.572402.38------ 2.4GAnt124410.862440.522441.38------ 2.4GAnt124800.822479.572480.38------ Page 2 of 23 TestGraphs 2.4G-Ant1-2402 2.4G-Ant1-2441 Page 3 of 23 2.4G-Ant1-2480 Page 4 of 23 AppendixB:OccupiedChannelBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 2.4GAnt124020.7582401.59542402.3536------ 2.4GAnt124410.7732440.58942441.3626------ 2.4GAnt124800.7522479.59842480.3506------ Page 5 of 23 TestGraphs 2.4G-Ant1-2402 2.4G-Ant1-2441 Page 6 of 23 2.4G-Ant1-2480 Page 7 of 23 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode AntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict 2.4GAnt124020.03≤30PASS 2.4GAnt124412.25≤30PASS 2.4GAnt12480-0.28≤30PASS TestGraphs 2.4G-Ant1-2402-PASS 2.4G-Ant1-2441-PASS Page 8 of 23 2.4G-Ant1-2480-PASS Page 9 of 23 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict 2.4GAnt1Hop0.997≥0.860PASS TestGraphs 2.4G-Ant1-Hop-PASS Page 10 of 23 AppendixE:Timeofoccupancy TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict 2.4GAnt1Hop2.8781090.314≤0.4PASS TestGraphs 2.4G-Ant1-Hop-PASS Page 11 of 23 AppendixF:Numberofhoppingchannels TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict 2.4GAnt1Hop79≥15PASS TestGraphs 2.4G-Ant1-Hop-PASS Page 12 of 23 AppendixG:Bandedgemeasurements TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 2.4GAnt1Low2402-0.61-47.17≤-20.61PASS 2.4GAnt1High2480-0.91-46.08≤-20.91PASS 2.4GAnt1LowHop_2402-0.52-47.97≤-20.52PASS 2.4GAnt1HighHop_2480-0.72-46.9≤-20.72PASS Page 13 of 23 TestGraphs 2.4G-Ant1-2402-PASS 2.4G-Ant1-2480-PASS Page 14 of 23 2.4G-Ant1-Hop_2402-PASS 2.4G-Ant1-Hop_2480-PASS Page 15 of 23 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 2.4GAnt124020~Reference-1.44-1.44---PASS 2.4GAnt1240230~1000-1.44-57.94≤-21.44PASS 2.4GAnt124021000~26500-1.44-55.33≤-21.44PASS 2.4GAnt124410~Reference1.031.03---PASS 2.4GAnt1244130~10001.03-58.31≤-18.97PASS 2.4GAnt124411000~265001.03-49.39≤-18.97PASS 2.4GAnt124800~Reference-1.36-1.36---PASS 2.4GAnt1248030~1000-1.36-57.67≤-21.36PASS 2.4GAnt124801000~26500-1.36-55.38≤-21.36PASS Page 16 of 23 TestGraphs 2.4G-Ant1-2402-0~Reference-PASS 2.4G-Ant1-2402-30~1000-PASS Page 17 of 23 2.4G-Ant1-2402-1000~26500-PASS 2.4G-Ant1-2441-0~Reference-PASS Page 18 of 23 2.4G-Ant1-2441-30~1000-PASS 2.4G-Ant1-2441-1000~26500-PASS Page 19 of 23 2.4G-Ant1-2480-0~Reference-PASS 2.4G-Ant1-2480-30~1000-PASS Page 20 of 23 2.4G-Ant1-2480-1000~26500-PASS Page 21 of 23 AppendixI:DutyCycle TestResult TestMode Antenn a Frequency[ MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] 2.4GAnt124022.883.7576.801.15 2.4GAnt124412.893.7577.071.13 2.4GAnt124802.893.7577.071.13 Page 22 of 23 TestGraphs NTNV-2.4G-Ant1-2402 NTNV-2.4G-Ant1-2441 Page 23 of 23 NTNV-2.4G-Ant1-2480 ---END---