GV3M01709-KKB270 EQ Rechargeable Keyboard

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:ACCOBrandsUSALLC FRN:0028081677 ContactName:BenjaminHsu Address:4CorporateDrive,LakeZurich,Illinois60047,UnitedStates TelephoneNo:886-2-8797-1618 Email:[email protected] Applicant: Companyname:ACCOBrandsUSALLC ProductDescription:KB270EQRechargeableKeyboard Granteecode:GV3 FCCID:GV3M01709-K FRN：0028081677 ContactName:BenjaminHsu Address:4CorporateDrive,LakeZurich,Illinois60047,UnitedStates TelephoneNo:886-2-8797-1618 Email:[email protected] [ACCOBrandsUSALLC]certifiesthat,asofthedateofthisfilingofthe applicationwiththeTCB,[ACCOBrandsUSALLC]isourdesignatedUSagent forserviceofprocessfortheabovereferencedFCCID.[ACCOBrandsUSALLC] acceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanycommission relatedproceedinginvolvingequipment.[ACCOBrandsUSALLC]accepts,asof thedateofthefilingoftheapplication,theobligationofthedesignatedUS agentforserviceofprocessfortheabovereferenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2024/11/22 Applicant’sName:BenjaminHsuUSAgent’sName:BenjaminHsu Title:ComplianceManagerTitle:ComplianceManager SignatureSignature

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 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: ACCO Brands USA LLC Grantee code: GV3 FCC ID: GV3M01709-K FRN: 0028081677 Contact Name: Benjamin Hsu Address: 4 Corporate Drive, Lake Zurich, Illinois 60047, United States Telephone No:886-2-8797-1618 Fax No: 886-2-8797-6616 Email: [email protected] i. [ACCO Brands USA LLC] (“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. [ACCO Brands USA LLC] (“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. [ACCO Brands USA LLC] (“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: November 22, 2024 Applicant’s Name: Benjamin Hsu Title: Compliance Manager 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 ACCO Brands USA LLC Company: ACCO Brands USA LLC Address: 4 Corporate Drive, Lake Zurich, Illinois 60047, United States Product Name: KB270 EQ Rechargeable Keyboard Model Number: M01709-K FCC Identifier: GV3M01709-K 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: Benjamin Hsu Date: November 22,2024 Title: Compliance Manager Signature of applicant:

C5266091_X10_Ed.2 1/1 ACCOBrandsUSALLC OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2024-11-22 Subject:RequestforConfidentiality FCCID:GV3M01709-K 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___daysfromthedateof theGrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:BenjaminHsu Title: ComplianceManager 2024.11.22

LABELLOCATION

RFEXPOSUREEVALUATION FCCID:GV3M01709-K 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 2402-4.63-4.63±1-3.63050.1343 BLE-1M2440-2.85-2.85 ± 1-1.85050.2043 2480-3.79-3.79±1-2.79050.1663 2403-1.97-1.97±1-0.97050.2483 2.4G2441-2.18-2.18 ± 1-1.18050.2383 2480-2.52-2.52±1-1.52050.2223 Note:BLE&SRD2.4Gcannotsupportsimultaneoustransmission. Result:NoStandaloneSARtestisrequired.

frequency TRP3D pattern 2400MHz 0.0882608 2441MHz 0.109759 2480MHz 0.126204 Total P o w e r ( d B m ) -10 6 -6 -2 2 X Y Z Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 Total P o w e r ( d B m ) -10 6 -6 -2 2 Y ZX Azimuth = 0.0 Elevation = 0.0 Roll = -90.0 Total P o w e r ( d B m ) -10 6 -6 -2 2 X Z Y Azimuth = 0.0 Elevation = -90.0 Roll = -90.0 Total P o w e r ( d B m ) -10 6 -6 -2 2 X Y Z Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 Total P o w e r ( d B m ) -10 6 -6 -2 2 Z Y X Azimuth = 0.0 Elevation = 0.0 Roll = -90.0 Total P o w e r ( d B m ) -10 6 -6 -2 2 X Z Y Azimuth = 0.0 Elevation = -90.0 Roll = -90.0 Total P o w e r ( d B m ) -10 6 -6 -2 2 X Y Z Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 Total P o w e r ( d B m ) -10 6 -6 -2 2 Y ZX Azimuth = 0.0 Elevation = 0.0 Roll = -90.0 Total P o w e r ( d B m ) -10 6 -6 -2 2 X Z Y Azimuth = 0.0 Elevation = -90.0 Roll = -90.0 frequencyGainEfficiency (%)3D pattern 2400MHZ 4.0930864.6885 2441MHZ 5.0998369.474 2480MHz 5.1278173.6317 frequencyS11-SWRS11-Log MagSWR图 2400MHZ1.3188-17.311dB 2441MHZ1.1443-23.313dB 2480MHz1.3057-17.195dB Total R e s p o n s e ( d B ) -20 10 -15 -10 -5 0 5 X Y Z Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 Total R e s p o n s e ( d B ) -20 10 -15 -10 -5 0 5 Z Y X Azimuth = 0.0 Elevation = 0.0 Roll = -90.0 Total R e s p o n s e ( d B ) -20 10 -15 -10 -5 0 5 Z X Y Azimuth = 0.0 Elevation = -90.0 Roll = -90.0 2400MHz 2441MHz 2480MHz conductive power 0.29dBm setting power from chipset 0.98dBm ANTENNA SPECIFICATION Summary ITEMKeyboard ANT SPEC Model Name2.4G ANT CenterHorizontalVertical Frequency2400MHz2441MHz2480MHz2400MHz2441MHz2580MHz gain(dBi)2.813.735.130.123.232.05 MAX. Gain(dBi)5.13 PolarizationHorizontal and Vertical Azimuth BeamOmni-directional Pattern Impedance50 Ohm ManufactureDONGGUAN SHUO CHUANG ELECTRONICS CO LTD address 124 Jinshan Road,Chashan Town,Dongguan City,Guangdong Province Antenna Photo & Length (mm)

ReportNo.:1812C40097912501Page1of30 FCCID:GV3M01709-K FCCTestReport Applicant:ACCOBrandsUSALLC Address: 4CorporateDrive,LakeZurich,Illinois60047, UnitedStates ProductName:KB270EQRechargeableKeyboard ReportDate:Nov.22,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:1812C40097912501Page2of30 FCCID:GV3M01709-K Contents 1.GeneralInformation.................................................................................................................................6 1.1.ClientInformation...........................................................................................................................6 1.2.DescriptionofDevice(EUT)..........................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest..........................................................................................7 1.4.Operationchannellist....................................................................................................................7 1.5.DescriptionofTestModes.............................................................................................................7 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.............................................................................................................................16 4.2.TestSetup....................................................................................................................................16 4.3.TestData......................................................................................................................................16 5.MaximumConductedOutputPower......................................................................................................17 5.1.EUTOperation.............................................................................................................................17 5.2.TestSetup....................................................................................................................................17 5.3.TestData......................................................................................................................................17 6.PowerSpectralDensity..........................................................................................................................18 6.1.EUTOperation.............................................................................................................................18 6.2.TestSetup....................................................................................................................................18 6.3.TestData......................................................................................................................................18 7.Emissionsinnon-restrictedfrequencybands.......................................................................................19 7.1.EUTOperation.............................................................................................................................19 7.2.TestSetup....................................................................................................................................19 7.3.TestData......................................................................................................................................19 8.Bandedgeemissions(Radiated)..........................................................................................................20 8.1.EUTOperation.............................................................................................................................20 8.2.TestSetup....................................................................................................................................20 8.3.TestData......................................................................................................................................21 9.Emissionsinfrequencybands(below1GHz).......................................................................................22 9.1.EUTOperation.............................................................................................................................22 9.2.TestSetup.............................................................…

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Page1of17 AppendixTestData ReportNo.:1812C40097912501TestSampleNo.:1-2-2 StartTestDate:2024.11.06FinishTestDate:2024.11.06 TestEngineer:Auditor: Temperature:22.4°CRelativeHumidity:50% Pressure:101kPa AppendixA:6dBBandwidth TestResult TestModeAntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.5682401.7282402.2960.5PASS BLE_1MAnt124400.5442439.7282440.2720.5PASS BLE_1MAnt124800.5442479.7282480.2720.5PASS Page2of17 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS Page3of17 AppendixB:99%OccupiedBandwidth TestResult TestModeAntennaFrequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.946302401.52442402.4707------ BLE_1MAnt124400.949072439.52362440.4727------ BLE_1MAnt124800.935102479.52512480.4602------ Page4of17 TestGraphs BLE_1M-Ant1-2402 BLE_1M-Ant1-2440 BLE_1M-Ant1-2480 Page5of17 AppendixC:Maximumconductedoutputpower TestResultPeak TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt12402-4.63≤30PASS BLE_1MAnt12440-2.85≤30PASS BLE_1MAnt12480-3.79≤30PASS TestGraphsPeak BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS Page6of17 BLE_1M-Ant1-2480-PASS Page7of17 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-19.31≤8.00PASS BLE_1MAnt12440-17.69≤8.00PASS BLE_1MAnt12480-18.15≤8.00PASS Page8of17 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS Page9of17 AppendixE:Bandedgemeasurements TestResult TestMod e Antenn a ChNam e Frequency[MHz ] RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt1Low2402-4.59-54.08≤-24.59PASS BLE_1MAnt1High2480-3.60-56.75≤-23.6PASS Page10of17 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS Page11of17 AppendixF:ConductedSpuriousEmission TestResult TestMod e Antenn a Frequency[MHz ] FreqRange [MHz] RefLeve l [dBm] Result[dBm ] Limit[dBm ] Verdic t BLE_1MAnt12402 0~Referenc e -4.87-4.87---PASS BLE_1MAnt1240230~1000-4.87-68.45≤-24.87PASS BLE_1MAnt124021000~26500-4.87-48.65≤-24.87PASS BLE_1MAnt12440 0~Referenc e -3.04-3.04---PASS BLE_1MAnt1244030~1000-3.04-67.15≤-23.04PASS BLE_1MAnt124401000~26500-3.04-31.85≤-23.04PASS BLE_1MAnt12480 0~Referenc e -3.99-3.99---PASS BLE_1MAnt1248030~1000-3.99-68.52≤-23.99PASS BLE_1MAnt124801000~26500-3.99-45.63≤-23.99PASS Page12of17 TestGraphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS BLE_1M-Ant1-2402-1000~26500-PASS Page13of17 BLE_1M-Ant1-2440-0~Reference-PASS BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS Page14of17 BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS BLE_1M-Ant1-2480-1000~26500-PASS Page15of17 AppendixG:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt124020.270.6243.553.61 BLE_1MAnt124400.280.6245.163.45 BLE_1MAnt124800.280.6245.163.45 Page16of17 TestGraphs NTNV-BLE_1M-Ant1-2402 NTNV-BLE_1M-Ant1-2440 NTNV-BLE_1M-Ant1-2480 Page17of17 ---End---