2AGLG-TK50FG-BK2.4Ghz Split Ergo Keyboard with Trackball

-DONGGUAN TOGRAN ELECTRONICS TECHNOLOGY CO.,L TD. - Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 5/21/24 U�nation [DONGGUAN TOGRAN ELECTRONICS TECHNOLOGY CO.,L TD.] acknowledges their consent for the following cont act located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2AGLG-TK50FG-BK） 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 [OONGGUAN TOGRAN EL ECTRONICS TECHNOLOGY CO.,L TD.]. [DONGGUAN TOGRAN ELECTRONICS TECHNOLOGY CO.,L TD.] with the FRN [0025055567] accepts its obligation to maintain an agent for service of process in the United States fo「 no less than one year afte「 eithe「 the g「anlee has permanently terminated all ma「keling and importation of the applicable equipment within the U.S., o r the conclusion of any Commission-related administrative o「」udicial proceeding involving the equipment, whichever is later. By signing this form, we confirm th e above and that we are aware of the application 「equi「ements listed under § 2 . 9 1 1 ( d ) ( 7 ) . The information p「ovided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 9 86446 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 g「anting TCB. Sincere l y , 扣 归 岂A.n,{r)(P)二h.t,i{-35V.IS2[-3pgl'.8r Signature [Name] Bo Jiang [Title] Manager [Company] DONGGUAN TOGRAN ELECTRONICS TECHNOLOGY CO.,L TD. 飞+多 Signature

C5266091_X24_Ed.2 1/1 DONGGUAN TOGRAN ELECTRONICS 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 TOGRAN ELECTRONICS TECHNOLOGY CO.,LTD. FRN: 0025055567 Grantee code: 2AGLG FCC ID: 2AGLG-TK50FG-BK Contact Name: Bo Jiang Address: No. 110, Shidan Mid Rd, Shijie Town, Dongguan city, China Telephone No:0769-86308806 Fax No: 0769-86308816-8034 Email: [email protected] i. [DONGGUAN TOGRAN ELECTRONICS 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 TOGRAN ELECTRONICS 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 TOGRAN ELECTRONICS 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: 2024/08/26 Applicant’s Name: Bo Jiang Title: 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

DONGGUANTOGRANELECTRONICSTECHNOLOGYCO.,LTD. DeclarationonModelDifferences We, DONGGUANTOGRANELECTRONICSTECHNOLOGYCO.,LTD. No.110,ShidanMidRd,ShijieTown,Dongguancity,China Declarethatthefollowingproduct(s): FCCID:2AGLG-TK50FG-BK ProductName:2.4GhzSplitErgoKeyboardwithTrackball ModelNo.:TK50FG,X9RFBLERGBAL Utilizetheidenticalcircuitdesign,PCBlayout,shieldingandinterfacewith(TK50FG),only modelnumberdifferent.Thereforethisapplicationcanberegardedasidenticalin performancetothesubmittedtestsample. Themanufacturerwouldtakealltheresponsibilitiesfortheaboveproduct(s). Forandonbehalfof Sincerely, Signature BoJiang Manager DONGGUANTOGRANELECTRONICSTECHNOLOGYCO.,LTD. *IherebydeclarethatIamentitledtosignonbehalfoftheapplicantandthattheinformationsuppliediscorrectandcomplete.

C5266091_X8_Ed.1 1/1 Letter of Authorization DONGGUAN TOGRAN ELECTRONICS TECHNOLOGY CO.,LTD. Company: DONGGUAN TOGRAN ELECTRONICS TECHNOLOGY CO.,LTD. Address: No. 110, Shidan Mid Rd, Shijie Town, Dongguan city, China Product Name: 2.4Ghz Split Ergo Keyboard with Trackball Model Number: TK50FG, X9RFBLERGBAL FCC Identifier: 2AGLG-TK50FG-BK 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: Bo Jiang Date: 2024.08.26 Title: Manager Signature of applicant:

C5266091_X10_Ed.2 1/1 DONGGUANTOGRANELECTRONICSTECHNOLOGYCO.,LTD. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2024-08-26 Subject:RequestforConfidentiality FCCID:2AGLG-TK50FG-BK 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:BoJiang Title: Manager 2024.08.26

Labellocation Label 2.4Ghz Split Ergo Keyboard with Trackball FCC ID: 2AGLG-TK50FG-BK This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmay causeundesiredoperation

RFEXPOSUREEVALUATION FCCID:2AGLG-TK50FG-BK AccordingtoKDB447498D01MobileandPortableDevicesRFExposureProcedures andEquipmentAuthorizationPoliciesv06. 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 24035.605.60±16.6051.4173 GFSK24415.605.60 ±1 6.6051.4283 24805.715.71±16.7151.4773 Result:NoStandaloneSARtestisrequired.

ANTENNASPECIFICATION Summary ITEMKeyboardANTSPEC ModelName2.4GANT Center Frequency HorizontalVertical 2400MHz2450MHz2500MHz2400MHz2450MHz2500MHz -3.4-2.81-5.3-21.0-19.8-20.5 MAX.Gain(dBi)-2.81 PolarizationHorizontalandVertical AzimuthBeam Pattern Omni-directional Impedance50Ohm AntennaLength21.7mm ManufactureDONGGUANSHUOCHUANGELECTRONICSCOLTD AntennaPhoto&Length(mm) dBi 2450MHz Frequency (MHz) Gain(dBi) MaxMinAvg 2400-3.4-31.4-6.42 2450-2.81-29.3-5.63 2500-5.3-30.2-4.45

ReportNo.:1812C40005312501Page1of35 FCCID:2AGLG-TK50FG-BK FCCTestReport Applicant: DONGGUANTOGRANELECTRONICS TECHNOLOGYCO.,LTD. Address: No.110,ShidanMidRd,ShijieTown,Dongguan city,China ProductName:2.4GhzSplitErgoKeyboardwithTrackball ReportDate:Aug.26,2024 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:1812C40005312501Page2of35 FCCID:2AGLG-TK50FG-BK 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.............................................................................................................7 1.7.TestSummary................................................................................................................................8 1.8.DescriptionofTestFacility.............................................................................................................8 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.............................................................................................................................24 9.2…

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Page1of22 AppendixTestData ReportNo.:1812C40005312501TestSampleNo.:1-2-2 StartTestDate:2024.8.15FinishTestDate:2024.8.15 TestEngineer:Auditor: Temperature:25.5 °C RelativeHumidity:47% Pressure:101kPa AppendixA:20dBBandwidth TestResult TestModeAntennaFrequency[MHz] 20dbEBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 2.4GAnt124031.1372402.4512403.588------ 2.4GAnt124411.1432440.4452441.588------ 2.4GAnt124801.1702479.4182480.588------ Page2of22 TestGraphs 2.4G-Ant1-2403 2.4G-Ant1-2441 2.4G-Ant1-2480 Page3of22 AppendixB:99%OccupiedBandwidth TestResult TestModeAntennaFrequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict 2.4GAnt124031.09542402.46612403.5615------ 2.4GAnt124411.14692440.41042441.5573------ 2.4GAnt124801.23362479.32222480.5558------ Page4of22 TestGraphs 2.4G-Ant1-2403 2.4G-Ant1-2441 2.4G-Ant1-2480 Page5of22 AppendixC:MaximumConductedOutputPower TestResultPeak Test Mode AntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict 2.4GAnt124035.60≤20.97PASS 2.4GAnt124415.60≤20.97PASS 2.4GAnt124805.71≤20.97PASS Page6of22 TestGraphs 2.4G-Ant1-2403-PASS 2.4G-Ant1-2441-PASS 2.4G-Ant1-2480-PASS Page7of22 AppendixD:Carrierfrequencyseparation TestResult TestModeAntennaFrequency[MHz]Result[MHz]Limit[MHz]Verdict 2.4GAnt1Hop2.00≥0.780PASS Page8of22 TestGraphs 2.4G-Ant1-Hop-FAIL Page9of22 AppendixE:DwellTime TestResult TestModeAntennaFrequency[MHz] BurstWidth [ms] TotalHops [Num] Result[s]Limit[s]Verdict 2.4GAnt1Hop0.1981000.02≤0.4PASS Page10of22 TestGraphs 2.4G-Ant1-Hop-PASS Page11of22 AppendixF:NumberofHoppingChannel TestResult TestModeAntennaFrequency[MHz]Result[Num]Limit[Num]Verdict 2.4GAnt1Hop16≥15PASS Page12of22 TestGraphs 2.4G-Ant1-Hop-PASS Page13of22 AppendixG:ConductedBandedge TestResult TestModeAntennaChNameFrequency[MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 2.4GAnt1Low24033.68-56.45≤-16.32PASS 2.4GAnt1High24805.51-56.16≤-14.49PASS 2.4GAnt1LowHop_24035.76-55.91≤-14.24PASS 2.4GAnt1HighHop_24795.38-55.02≤-14.62PASS Page14of22 TestGraphs 2.4G-Ant1-2403-PASS 2.4G-Ant1-2480-PASS 2.4G-Ant1-Hop_2403-PASS Page15of22 2.4G-Ant1-Hop_2479-PASS Page16of22 AppendixH:ConductedSpuriousEmission TestResult TestModeAntennaFrequency[MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 2.4GAnt124030~Reference5.505.50---PASS 2.4GAnt1240330~10005.50-68.91≤-14.5PASS 2.4GAnt124031000~265005.50-46.44≤-14.5PASS 2.4GAnt124410~Reference5.205.20---PASS 2.4GAnt1244130~10005.20-67.85≤-14.8PASS 2.4GAnt124411000~265005.20-35.25≤-14.8PASS 2.4GAnt124800~Reference5.455.45---PASS 2.4GAnt1248030~10005.45-68.6≤-14.55PASS 2.4GAnt124801000~265005.45-32.94≤-14.55PASS Page17of22 TestGraphs 2.4G-Ant1-2403-0~Reference-PASS 2.4G-Ant1-2403-30~1000-PASS 2.4G-Ant1-2403-1000~26500-PASS Page18of22 2.4G-Ant1-2441-0~Reference-PASS 2.4G-Ant1-2441-30~1000-PASS 2.4G-Ant1-2441-1000~26500-PASS Page19of22 2.4G-Ant1-2480-0~Reference-PASS 2.4G-Ant1-2480-30~1000-PASS 2.4G-Ant1-2480-1000~26500-PASS Page20of22 AppendixI:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] 2.4GAnt124030.204.294.6613.32 2.4GAnt124410.194.354.3713.60 2.4GAnt124790.204.364.5913.38 2.4GAnt124800.194.124.6113.36 Page21of22 TestGraphs NTNV-2.4G-Ant1-2403 NTNV-2.4G-Ant1-2441 NTNV-2.4G-Ant1-2479 Page22of22 NTNV-2.4G-Ant1-2480 ---End---