2AYGN-GT01WIRELESS SPEAKER

- Dongguan Harmony El ectr onic Technology Co., Ltd . - Federa l Communications Commission Authori zation and Evaluation Division Equipment Authori zation Bra nch 7435 Oakland Mills Road Columbia, MD 21046 5/10/24 U.S. Agent Designation [Dongguan Harmony Electronic 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: 2AYGN-GT01): Name and company of U.S. agent:Linkwld LLC Physical U.S. address of agent:1942 Broadway St. STE 314C, Boulder, CO, 80302, US FRN of U.S. agent:0033625682 Email address of U.S. agent: [email protected] [Linkwld LLC] acknowledges their obligation to accept service of process on behalf of [Dongguan Harmony Electronic Technology Co., Ltd.]. [Dongguan Harmony Electronic Technology Co., Ltd.] with the FRN [0030293435] 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]Zhongyuan Wang [T itl e]R&D Vice President [Company]Dongguan Harmony Electr onic Technology Co., Ltd . Signature [Name of U.S. agent]Timothy Zhu 48_[model] US_Agent_2.911(d)(7)-U, V05 -DongguanHarmonyElectronicTechnologyCo.,Ltd.- [TitleofU.S.agent]Manager [CompanyofU.S.agent]LinkwldLLC

C5266091_X24_Ed.2 1/1 Dongguan Harmony Electronic 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: Dongguan Harmony Electronic Technology Co., LTD FRN: 0030293435 Grantee code: 2AYGN FCC ID: 2AYGN-GT01 Contact Name: Zhongyuan Wang Address: Hongyun Road, Shuibei Lndustrial Zone, Shipai Town, Dongguan, Guangdong, China Telephone No: 13538631625 Fax No: 0769-8181966 Email: [email protected] i. [Dongguan Harmony Electronic 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. [Dongguan Harmony Electronic 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. [Dongguan Harmony Electronic 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: 2024/08/13 Applicant’s Name: Zhongyuan Wang Title: R&D Vice President 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

C5266091_X8_Ed.1 1/1 Letter of Authorization Dongguan Harmony Electronic Technology Co., LTD Company: Dongguan Harmony Electronic Technology Co., LTD Address: Hongyun Road, Shuibei Lndustrial Zone, Shipai Town, Dongguan, Guangdong, China Product Name: WIRELESS SPEAKER Model Number: GT01 FCC Identifier: 2AYGN-GT01 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: Zhongyuan Wang Date: 2024.08.13 Title: R&D Vice President Signature of applicant:

C5266091_X10_Ed.2 1/1 DongguanHarmonyElectronicTechnologyCo.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2024-08-13 Subject:RequestforConfidentiality FCCID:2AYGN-GT01 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. Sincerely, C5266091_X10_Ed.2 1/1 Signature: Name:ZhongyuanWang Title:R&DVicePresident 2024.08.13

Labellocation label Product Name:WIRELESS SPEAKER Model: GT01 FCC ID: 2AYGN-GT01

RFEXPOSUREEVALUATION FCCID:2AYGN-GT01 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 2402-0.04-0.04±10.96050.3873 GFSK24410.190.19 ± 11.19050.4113 24800.050.05±11.05050.4013 24020.770.77±11.77050.4663 π/4-DQPSK24411.011.01 ± 12.01050.4963 24800.860.86±11.86050.4833 24021.201.20±12.20050.5143 8DPSK24411.451.45 ± 12.45050.5493 24801.291.29±12.29050.5343 Result:NoStandaloneSARtestisrequired.

ReportNo.:182519C400125101FCCID:2AYGN-GT01Page1of39 FCCTestReport Applicant: DongguanHarmonyElectronicTechnologyCo., LTD Address: HongyunRoad,ShuibeiLndustrialZone,Shipai Town,Dongguan,Guangdong,China ProductName:WIRELESSSPEAKER ReportDate:Aug.13,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:182519C400125101FCCID:2AYGN-GT01Page2of39 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................................................................................................................................9 1.8.DescriptionofTestFacility...........................................................................................................10 1.9.Disclaimer....................................................................................................................................10 1.10.TestEquipmentList....................................................................................................................11 2.Antennarequirement..............................................................................................................................13 2.1.Conclusion...................................................................................................................................13 3.ConductedEmissionatACpowerline..................................................................................................14 3.1.EUTOperation.............................................................................................................................14 3.2.TestSetup....................................................................................................................................14 3.3.TestData......................................................................................................................................15 4.OccupiedBandwidth..............................................................................................................................17 4.1.EUTOperation.............................................................................................................................17 4.2.TestSetup....................................................................................................................................18 4.3.TestData......................................................................................................................................18 5.MaximumConductedOutputPower......................................................................................................19 5.1.EUTOperation.............................................................................................................................19 5.2.TestSetup....................................................................................................................................20 5.3.TestData......................................................................................................................................20 6.ChannelSeparation...............................................................................................................................21 6.1.EUTOperation.............................................................................................................................21 6.2.TestSetup....................................................................................................................................21 6.3.TestData......................................................................................................................................21 7.NumberofHoppingFrequencies...........................................................................................................22 7.1.EUTOperation.............................................................................................................................22 7.2.TestSetup....................................................................................................................................22 7.3.TestData......................................................................................................................................22 8.DwellTime..............................................................................................................................................23 8.1.EUTOperation.............................................................................................................................24 8.2.TestSetup....................................................................................................................................24 8.3.TestData......................................................................................................................................24 9.Emissionsinnon-restrictedfrequencybands.......................................................................................25 9.1.EUTOperation.............................................................................................................................26 9.2.TestSetup....…

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Product specification Quick Reference Date Antenna module on the system board Frequenc Range 2400 ~ 2500MHz Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm) -1.2 (Input pwr – loss pwr) Peak EIRP(d Bm) 1.7 Directivity (dBi) 1 (all direction antenna) Efficiency (dB) 6 0.2 % Gain (dBi) 1.68(peak Gain XZplane) Maximum Power (dB m) 1.7 (XZ-plane) Minimum Power (dBm) -4(XY-plane) Avg. Power (dB m) -0.48(XY-plane) Input Impendence(ohm) 50 Polarization Type V ertical & Horizontal V . S .W . R < 1.4 All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Unit in dBi @2.44GHz XY-plane XZ-plane YZ-plane Efficiency Peak Av g. Peak Avg. Peak Avg. Module Board 1.35 -0.481.68-3.831.11 -2.996 0.2 % Manufacturer：Superior Electronics Corporation Retum Loss The Environment of Antenna Radiation Pattem 3D radiation pattern diagram XY-plane XZ-plane YZ-plane 1.68dBi 2440MHz

Page1of42 AppendixTestData ReportNo.:182519C400125101TestSampleNo.:1-2-2 StartTestDate:2024.7.5FinishTestDate:2024.7.5 TestEngineer:Auditor: Temperature:25.5 °C RelativeHumidity:47% Pressure:101kPa AppendixA:20dBBandwidth TestResult TestModeAntennaFrequency[MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant124021.0412401.4842402.525------ DH5Ant124411.0412440.4872441.528------ DH5Ant124801.0652479.4662480.531------ 2DH5Ant124021.3442401.3342402.678------ 2DH5Ant124411.3262440.3402441.666------ 2DH5Ant124801.3442479.3342480.678------ 3DH5Ant124021.2992401.3582402.657------ 3DH5Ant124411.2992440.3552441.654------ 3DH5Ant124801.2782479.3642480.642------ Page2of42 TestGraphs DH5-Ant1-2402 DH5-Ant1-2441 DH5-Ant1-2480 Page3of42 2DH5-Ant1-2402 2DH5-Ant1-2441 2DH5-Ant1-2480 Page4of42 3DH5-Ant1-2402 3DH5-Ant1-2441 3DH5-Ant1-2480 Page5of42 AppendixB:99%OccupiedBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant124020.951192401.53062402.4818------ DH5Ant124410.954962440.52612441.4811------ DH5Ant124800.959922479.52192480.4819------ 2DH5Ant124021.21712401.40742402.6245------ 2DH5Ant124411.22682440.40452441.6313------ 2DH5Ant124801.23942479.39382480.6332------ 3DH5Ant124021.21632401.39522402.6115------ 3DH5Ant124411.21482440.40092441.6157------ 3DH5Ant124801.21482479.40022480.6150------ Page6of42 TestGraphs DH5-Ant1-2402 DH5-Ant1-2441 DH5-Ant1-2480 Page7of42 2DH5-Ant1-2402 2DH5-Ant1-2441 2DH5-Ant1-2480 Page8of42 3DH5-Ant1-2402 3DH5-Ant1-2441 3DH5-Ant1-2480 Page9of42 AppendixC:MaximumConductedOutputPower TestResultPeak Test Mode AntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict DH5Ant12402-0.04≤20.97PASS DH5Ant124410.19≤20.97PASS DH5Ant124800.05≤20.97PASS 2DH5Ant124020.77≤20.97PASS 2DH5Ant124411.01≤20.97PASS 2DH5Ant124800.86≤20.97PASS 3DH5Ant124021.20≤20.97PASS 3DH5Ant124411.45≤20.97PASS 3DH5Ant124801.29≤20.97PASS Page10of42 TestGraphs DH5-Ant1-2402-PASS DH5-Ant1-2441-PASS DH5-Ant1-2480-PASS Page11of42 2DH5-Ant1-2402-PASS 2DH5-Ant1-2441-PASS 2DH5-Ant1-2480-PASS Page12of42 3DH5-Ant1-2402-PASS 3DH5-Ant1-2441-PASS 3DH5-Ant1-2480-PASS Page13of42 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict DH5Ant1Hop0.878≥0.710PASS 2DH5Ant1Hop1.186≥0.896PASS 3DH5Ant1Hop1.132≥0.866PASS Page14of42 TestGraphs DH5-Ant1-Hop-PASS 2DH5-Ant1-Hop-PASS 3DH5-Ant1-Hop-PASS Page15of42 AppendixE:DwellTime TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict DH1Ant1Hop0.3753140.118≤0.4PASS DH3Ant1Hop1.6301510.246≤0.4PASS DH5Ant1Hop2.879980.282≤0.4PASS 2DH1Ant1Hop0.3853170.122≤0.4PASS 2DH3Ant1Hop1.6371620.265≤0.4PASS 2DH5Ant1Hop2.8841120.323≤0.4PASS 3DH1Ant1Hop0.3863190.123≤0.4PASS 3DH3Ant1Hop1.6371560.255≤0.4PASS 3DH5Ant1Hop2.8871150.332≤0.4PASS Page16of42 TestGraphs DH1-Ant1-Hop-PASS DH3-Ant1-Hop-PASS Page17of42 DH5-Ant1-Hop-PASS Page18of42 2DH1-Ant1-Hop-PASS 2DH3-Ant1-Hop-PASS Page19of42 2DH5-Ant1-Hop-PASS Page20of42 3DH1-Ant1-Hop-PASS 3DH3-Ant1-Hop-PASS Page21of42 3DH5-Ant1-Hop-PASS Page22of42 AppendixF:NumberofHoppingChannel TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict DH5Ant1Hop79≥15PASS 2DH5Ant1Hop79≥15PASS 3DH5Ant1Hop79≥15PASS Page23of42 TestGraphs DH5-Ant1-Hop-PASS 2DH5-Ant1-Hop-PASS 3DH5-Ant1-Hop-PASS Page24of42 AppendixG:ConductedBandedge TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant1Low2402-0.45-53.89≤-20.45PASS DH5Ant1High2480-0.53-54.04≤-20.53PASS DH5Ant1LowHop_2402-0.30-54.5≤-20.3PASS DH5Ant1HighHop_2480-0.39-51.32≤-20.39PASS 2DH5Ant1Low2402-0.48-54.66≤-20.48PASS 2DH5Ant1High2480-0.43-54.49≤-20.43PASS 2DH5Ant1LowHop_2402-1.69-53.47≤-21.69PASS 2DH5Ant1HighHop_2480-0.43-34.16≤-20.43PASS 3DH5Ant1Low2402-0.58-55.2≤-20.58PASS 3DH5Ant1High2480-0.99-53.68≤-20.99PASS 3DH5Ant1LowHop_2402-1.61-53.13≤-21.61PASS 3DH5Ant1HighHop_2480-1.93-54.05≤-21.93PASS Page25of42 TestGraphs DH5-Ant1-2402-PASS DH5-Ant1-2480-PASS DH5-Ant1-Hop_2402-PASS Page26of42 DH5-Ant1-Hop_2480-PASS 2DH5-Ant1-2402-PASS 2DH5-Ant1-2480-PASS Page27of42 2DH5-Ant1-Hop_2402-PASS 2DH5-Ant1-Hop_2480-PASS 3DH5-Ant1-2402-PASS Page28of42 3DH5-Ant1-2480-PASS 3DH5-Ant1-Hop_2402-PASS 3DH5-Ant1-Hop_2480-PASS Page29of42 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict DH5Ant124020~Reference-1.12-1.12---PASS DH5Ant1240230~1000-1.12-63.69≤-21.12PASS DH5Ant124021000~26500-1.12-44.11≤-21.12PASS DH5Ant124410~Reference-0.66-0.66---PASS DH5Ant1244130~1000-0.66-61.97≤-20.66PASS DH5Ant124411000~26500-0.66-35.11≤-20.66PASS DH5Ant124800~Reference-0.98-0.98---PASS DH5Ant1248030~1000-0.98-61.74≤-20.98PASS DH5Ant124801000~26500-0.98-43.67≤-20.98PASS 2DH5Ant124020~Reference-0.50-0.50---PASS 2DH5Ant1240230~1000-0.50-62.49≤-20.5PASS 2DH5Ant124021000~26500-0.50-43.83≤-20.5PASS 2DH5Ant124410~Reference-4.43-4.43---PASS 2DH5Ant1244130~1000-4.43-62.73≤-24.43PASS 2DH5Ant124411000~26500-4.43-39.66≤-24.43PASS 2DH5Ant124800~Reference-1.35-1.35---PASS 2DH5Ant1248030~1000-1.35-62.51≤-21.35PASS 2DH5Ant124801000~26500-1.35-43.01≤-21.35PASS 3DH5Ant124020~Reference-3.94-3.94---PASS 3DH5Ant1240230~1000-3.94-62.27≤-23.94PASS 3DH5Ant124021000~26500-3.94-43.54≤-23.94PASS 3DH5Ant124410~Reference-1.27-1.27---PASS 3DH5Ant1244130~1000-1.27-62.9≤-21.27PASS 3DH5Ant124411000~26500-1.27-41.31≤-21.27PASS 3DH5Ant124800~Reference-3.90-3.90---PASS 3DH5Ant1248030~1000-3.90-62.19≤-23.9PASS 3DH5Ant124801000~26500-3.90-41.53≤-23.9PASS Page30of42 TestGraphs DH5-Ant1-2402-0~Reference-PASS DH5-Ant1-2402-30~1000-PASS DH5-Ant1-2402-1000~26500-PASS Page31of42 DH5-Ant1-2441-0~Reference-PASS DH5-Ant1-2441-30~1000-PASS DH5-Ant1-2441-1000~26500-PASS Page32of42 DH5-Ant1-2480-0~Reference-PASS DH5-Ant1-2480-30~1000-PASS DH5-Ant1-2480-1000~26500-PASS Page33of42 2DH5-Ant1-2402-0~Reference-PASS 2DH5-Ant1-2402-30~1000-PASS 2DH5-Ant1-2402-1000~26500-PASS Page34of42 2DH5-Ant1-2441-0~Reference-PASS 2…

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