2AV27-TX803441Karaoke Speaker

- Worldbrands S. L. - Federa l Communications Commission Authori zation and Evaluation Division Equipment Authori zation Bra nch 7435 Oakland Mills Road Columbia, MD 21046 7/15/24 U.S. Agent Designation [W orl dbra nds S.L.]acknowledges their consent for the following contact located in the United States to act as their agent for serv ice of pro cess for the equipment for which authori zation is sought (F CC ID:[2 AV27- TX803441]): Name and company of U.S. agent:Linkwld LLC Physical U.S. addre ss of agent:1942 Bro adway St. STE 314C, Boulder, CO, 80302, US FRN of U.S. agent:0033625682 Email addre ss of U.S. agent:Timothy.linkwld@pro ton.me [L inkwld LLC]acknowledges their obligation to accept serv ice of pro cess on behalf of[W orl dbra nds S.L.]. [W orl dbra nds S.L.]with the FRN[0 029373396]accepts its obligation to maintain an agent for serv ice of pro cess in the United States for no less than one year after either the gra ntee has perm anently term inated all marketing and import ation of the applicable equipment within the U.S., or the conclusion of any Commission-re lated administra tive or judicial pro ceeding involving the equipment, whi chever is later. By signing this form , we confirm the above and that we are aware of the application re quire ments listed under § 2.911(d )(7 ). The inform ation pro vided in this letter is based on the re fere nced ru le part s of Title 47 of the CFR as well as KDB 986446 D01. An expira tion date for this letter does not exist. In case the U.S. agent changes, the gra ntee is obligated to notify the FCC within 30 days via the gra nting TCB. Sincerely, Signature [Name]Mr Escart i Ciscar Guillerm o [Title]Pro duct depart ment dire ctor [Company]Worl dbra nds S.L. Signature [Name of U.S. agent]Timothy Zhu [Title of U.S. agent]Manager [Company of U.S. agent]Linkwld LLC 48_[model] US_Agent_2.911(d)(7)-U, V05

C5266091_X24_Ed.2 1/1 Worldbrands S.L. “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: Worldbrands S.L. FRN: 0029373396 Grantee code: 2AV27 FCC ID: 2AV27-TX803441 Contact Name: Escarti Ciscar Guillermo Address: Corretger 127 Parque empresarial Tactica, Paterna, Spain Telephone No:0034607815794 Fax No: 0034607815794 Email: [email protected] i. [Worldbrands S.L.] (“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. [Worldbrands S.L.] (“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. [Worldbrands S.L.] (“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: 2024/07/18 Applicant’s Name: Escarti Ciscar Guillermo Title: Product department director 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

WorldbrandsS.L. DeclarationonModelDifferences We, WorldbrandsS.L. Corretger127ParqueempresarialTactica,Paterna,Spain Declarethatthefollowingproduct(s): FCCID:2AV27-TX803441 ProductName:KaraokeSpeaker ModelNo.:TX803441,MW-108K,MW-103K,TX803856,TX803865,TX803866,TX803867, TX803868,TX803869,TX803870,TX803871,TX803872,TX803873,TX80387 Utilizetheidenticalcircuitdesign,PCBlayout,shieldingandinterfacewith(TX803441),only modelnameandappearancecolordifferent.Thereforethisapplicationcanberegardedas identicalinperformancetothesubmittedtestsample. Themanufacturerwouldtakealltheresponsibilitiesfortheaboveproduct(s). Forandonbehalfof Sincerely, Signature EscartiCiscarGuillermo Productdepartmentdirector WorldbrandsS.L. *IherebydeclarethatIamentitledtosignonbehalfoftheapplicantandthattheinformationsuppliediscorrectandcomplete.

C5266091_X8_Ed.1 1/1 Letter of Authorization Worldbrands S.L. Company: Worldbrands S.L. Address: Corretger 127 Parque empresarial Tactica, Paterna, Spain Product Name: Karaoke Speaker Model Number: TX803441, MW-108K, MW-103K, TX803856, TX803865, TX803866, TX803867, TX803868, TX803869, TX803870, TX803871, TX803872, TX803873, TX80387 FCC Identifier: 2AV27-TX803441 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: Escarti Ciscar Guillermo Date: 2024.07.18 Title: Product department director Signature of applicant:

C5266091_X10_Ed.2 1/1 WorldbrandsS.L. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2024-07-19 Subject:RequestforConfidentiality FCCID:2AV27-TX803441 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-TermConfidentialityShort-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/SecurityInfoNo NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof___180 __daysfromthedateof theGrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, Signature: Name:EscartiCiscarGuillermo Title:Productdepartmentdirector 2024/07/19 ☐

LabelLocationOnEUT Label ProductName:KaraokeSpeaker ModelNo.:TX803441 FCCID:2AV27-TX803441 ThisdevicecomplieswithPart15oftheFCCRules.Operationis subjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,including interferencethatmaycauseundesiredoperation.

RFEXPOSUREEVALUATION FCCID:2AV27-TX803441 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 24023.343.34±14.34050.8423 GFSK24412.482.48 ± 13.48050.6963 24803.913.91±14.91050.9763 24022.452.45±13.45050.6863 π/4-DQPSK24411.761.76 ± 12.76050.5903 24803.193.19±14.19050.8273 24022.592.59±13.59050.7083 8DPSK24411.931.93 ± 12.93050.6133 24803.323.32±14.32050.8523 Result:NoStandaloneSARtestisrequired.

ReportNo.:182512C400312101FCCID:2AV27-TX803441Page1of39 FCCTestReport Applicant:WorldbrandsS.L. Address: Corretger127ParqueempresarialTactica, Paterna,Spain ProductName:KaraokeSpeaker ReportDate:Jul.19,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:182512C400312101FCCID:2AV27-TX803441Page2of39 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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PCB Antenna Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2450MHz2500MHz2400MHz2450MHz 2500MHz Center Frequency dBi -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dBi Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture Worldbrands S.L. Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Max: 0 Min: -40 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Max: 0 Min: -30 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432

Page1of42 AppendixTestData ReportNo.:182512C400312101TestSampleNo.:1-2-2 StartTestDate:2024.7.9FinishTestDate:2024.7.9 TestEngineer:Auditor: Temperature:24.6 ° CRelativeHumidity:58% Pressure:101kPa AppendixA:20dBBandwidth TestResult TestModeAntennaFrequency[MHz] 20db EBW[MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict DH5Ant124020.8132401.5952402.408------ DH5Ant124410.8162440.5892441.405------ DH5Ant124800.8492479.5592480.408------ 2DH5Ant124021.2812401.3612402.642------ 2DH5Ant124411.2752440.3642441.639------ 2DH5Ant124801.2902479.3552480.645------ 3DH5Ant124021.2842401.3492402.633------ 3DH5Ant124411.2962440.3462441.642------ 3DH5Ant124801.2722479.3522480.624------ 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 DH5Ant124020.754842401.62072402.3755------ DH5Ant124410.760982440.61602441.3770------ DH5Ant124800.749862479.62192480.3717------ 2DH5Ant124021.16312401.40832402.5714------ 2DH5Ant124411.15322440.41482441.5680------ 2DH5Ant124801.16762479.40772480.5753------ 3DH5Ant124021.17832401.40332402.5816------ 3DH5Ant124411.17002440.41322441.5832------ 3DH5Ant124801.17902479.40702480.5860------ 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 DH5Ant124023.34≤20.97PASS DH5Ant124412.48≤20.97PASS DH5Ant124803.91≤20.97PASS 2DH5Ant124022.45≤20.97PASS 2DH5Ant124411.76≤20.97PASS 2DH5Ant124803.19≤20.97PASS 3DH5Ant124022.59≤20.97PASS 3DH5Ant124411.93≤20.97PASS 3DH5Ant124803.32≤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 DH5Ant1Hop0.992≥0.566PASS 2DH5Ant1Hop1.016≥0.860PASS 3DH5Ant1Hop1.012≥0.864PASS 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 DH1Ant1Hop0.3743130.117≤0.4PASS DH3Ant1Hop1.6291590.259≤0.4PASS DH5Ant1Hop2.8781120.322≤0.4PASS 2DH1Ant1Hop0.3833130.120≤0.4PASS 2DH3Ant1Hop1.6341580.258≤0.4PASS 2DH5Ant1Hop2.8821150.331≤0.4PASS 3DH1Ant1Hop0.4103150.130≤0.4PASS 3DH3Ant1Hop1.6331580.258≤0.4PASS 3DH5Ant1Hop2.8841100.317≤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 DH5Ant1Low24022.75-56.63≤-17.25PASS DH5Ant1High24803.37-56.98≤-16.64PASS DH5Ant1LowHop_24022.78-56.43≤-17.22PASS DH5Ant1HighHop_24803.80-56≤-16.2PASS 2DH5Ant1Low24021.97-56.1≤-18.03PASS 2DH5Ant1High24800.82-57.13≤-19.18PASS 2DH5Ant1LowHop_24021.11-56.48≤-18.89PASS 2DH5Ant1HighHop_24800.46-56.36≤-19.54PASS 3DH5Ant1Low24020.08-57.47≤-19.92PASS 3DH5Ant1High2480-0.74-56.98≤-20.74PASS 3DH5Ant1LowHop_24021.64-55.79≤-18.36PASS 3DH5Ant1HighHop_24803.50-56.03≤-16.5PASS 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~Reference2.172.17---PASS DH5Ant1240230~10002.17-68.52≤-17.83PASS DH5Ant124021000~265002.17-52.38≤-17.83PASS DH5Ant124410~Reference1.641.64---PASS DH5Ant1244130~10001.64-67.8≤-18.36PASS DH5Ant124411000~265001.64-53.68≤-18.36PASS DH5Ant124800~Reference3.113.11---PASS DH5Ant1248030~10003.11-68.37≤-16.89PASS DH5Ant124801000~265003.11-53.39≤-16.89PASS 2DH5Ant124020~Reference0.510.51---PASS 2DH5Ant1240230~10000.51-68.41≤-19.49PASS 2DH5Ant124021000~265000.51-53.55≤-19.49PASS 2DH5Ant124410~Reference-3.81-3.81---PASS 2DH5Ant1244130~1000-3.81-69.06≤-23.81PASS 2DH5Ant124411000~26500-3.81-53.13≤-23.81PASS 2DH5Ant124800~Reference2.112.11---PASS 2DH5Ant1248030~10002.11-68.08≤-17.89PASS 2DH5Ant124801000~265002.11-52.81≤-17.89PASS 3DH5Ant124020~Reference-0.72-0.72---PASS 3DH5Ant1240230~1000-0.72-68.69≤-20.72PASS 3DH5Ant124021000~26500-0.72-51.78≤-20.72PASS 3DH5Ant124410~Reference1.331.33---PASS 3DH5Ant1244130~10001.33-68.92≤-18.67PASS 3DH5Ant124411000~265001.33-52.06≤-18.67PASS 3DH5Ant124800~Reference2.082.08---PASS 3DH5Ant1248030~10002.08-67.93≤-17.92PASS 3DH5Ant124801000~265002.08-53.31≤-17.92PASS 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 2DH5-Ant1-2441-30~1000-PASS 2DH5-Ant1-2…

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