2BKNV-VWTM345Video walkie talkie

SKYKINGINNOVATIONSCO.,LIMITED Address ： No.1,HuaiheyuanIndustrialDistrict,LianxiaTown,ChenghaiDistrict, Shantou,Guangdong,China Date: 2026-07-02 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(7) Filing SUBJECT: FCCApplication for FCC ID: 2BKNV-VWTM345 (“SKYKING INNOVATIONS CO., LIMITED”) certifies that, as of the date of thefiling of the application, CELLT INC. is our designated U.S. agent for service of process for the above referenced FCC ID. (“SKYKING INNOVATIONS CO., LIMITED”) accepts to maintainanagent for no less than one year after the grantee has terminated all marketing andimportation or the conclusion of any Commission-related proceeding involving the equipment. CELLT INC. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: CELLT INC. Address: 1401 21ST ST# 12958 SACRAMENTO, CA 95811 United States FRN：0036412567 Contact Person: Thompson Lim Tel.: (424) 347-4188 Email: [email protected] Sincerely, Signed on behalf of SKYKING INNOVATIONS CO., LIMITED Signed on behalf of CELLT INC. Name: Dylan LauName: Thompson Lim Title: ManagerTitle:General Manager Date: 2026-07-02Date: 2026-07-02

Rev1/26/2023 SKYKINGINNOVATIONSCO.,LIMITED FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:05-30-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BKNV-VWTM345 (“SKYKINGINNOVATIONSCO.,LIMITED”)certifiesthattheequipmentforwhichauthorizationissought isnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules. (“SKYKINGINNOVATIONSCO.,LIMITED”)certifiesthattheequipmentforwhichauthorizationissought doesnotincludecybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.orany ofitssuccessorsandassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446 D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature)DylanLau (Applicantprintedname) Rev1/26/2023 SKYKINGINNOVATIONSCO.,LIMITED FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:05-30-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BKNV-VWTM345 (“SKYKINGINNOVATIONSCO.,LIMITED”)certifiesthat,asofthedateofthefilingoftheapplication, SKYKINGINNOVATIONSCO.,LIMITEDisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)DylanLau

SKYKINGINNOVATIONSCO.,LIMITED Date ： 05-30-2026 Product/ModelNumber:Videowalkietalkie/M3,M4,M5,M6, M7,P40,P50,P60 FCCID ： 2BKNV-VWTM345 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By:DylanLau ContactListedonFCCWesbite Title:Manager Email:[email protected] Telephone:15173508199 Onbehalfof:SKYKINGINNOVATIONSCO.,LIMITED

SKYKINGINNOVATIONSCO.,LIMITED OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:May30,2026 Subject;RequestforConfidentiality FCCID:2BKNV-VWTM345 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:DylanLau Title:Manager

SKYKINGINNOVATIONSCO.,LIMITED ProductSimilarityDeclaration Productname:Videowalkietalkie Modelname:M3,M4,M5,M6,M7,P40,P50,P60 FCCID:2BKNV-VWTM345 We(SKYKINGINNOVATIONSCO.,LIMITED)herebystatethatallthe modelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign(i.e.,circuitdesign,PCBLayout, RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),theonly differencearemodelname,thecolorandshapeofthe appearance. Signature: Name:DylanLau Title:Manager Place,date:Shantou,2026.06.03

Label: Videowalkietalkie Model:M3 FCCID:2BKNV-VWTM345 35mm 20mm

FCCID:2BKNV-VWTM345 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093 ， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤5mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, SoaSARtestisnotrequired WIFI2.4G Mode Frequen cy (MHz) Max Power (dBm) Targetpower W/tolerance (dBm) Maxtune uppower tolerance (dBm) MaxPower (mW) Min. Distance (mm) Calc. thresholds limit 802.11b 2412 7.31 7±1.08.06.3105.001.9603.0 2437 5.36 5±1.06.03.9815.001.2433.0 2462 7.75 8±1.0 9.07.9435.002.4933.0 802.11g 2412 6.63 7±1.0 8.06.3105.001.9603.0 2437 4.81 5±1.05.03.1625.000.9873.0 2462 7.09 7±1.08.06.3105.001.9803.0 802.11n (HT20) 2412 6.73 7±1.0 8.06.3105.001.9603.0 2437 5.03 5±1.0 6.03.9815.001.2433.0 2462 7.21 7±1.08.06.3105.001.9803.0 802.11n (HT40) 2422 5.42 6±1.07.05.0125.001.5603.0 2437 5.79 6±1.0 7.05.0125.001.5653.0 2452 6.52 6±1.0 7.05.0125.001.5703.0

ShenzhenNTTTestingTechnologyCo.,Ltd.ReportNo.:SZNTT26017411E1-1 TestReportTel:0755-27889935Web:http://www.ntt-testing.comPage1of31 TESTREPORT Applicant:SKYKINGINNOVATIONSCO.,LIMITED Address: No.1,HuaiheyuanIndustrialDistrict,LianxiaTown,ChenghaiDistrict, Shantou,Guangdong,China Manufacturer:SKYKINGINNOVATIONSCO.,LIMITED Address: No.1,HuaiheyuanIndustrialDistrict,LianxiaTown,ChenghaiDistrict, Shantou,Guangdong,China ProductName:Videowalkietalkie ModelNumber:M3,M4,M5,M6,M7,P40,P50,P60 Trademark:N/A FCCID:2BKNV-VWTM345 TestDate:Apr.29,2026–May14,2026 DateofReport:May14,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyNTTandthetest resultsshowthattheequipmentundertest(EUT)isincompliance withtheStandardrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10-2020+Cor.1-2023 Preparedby(TestEngineer): ZhaoDi Reviewer(Supervisor): KenWu Approved(Manager): AbelYu ShenzhenNTTTestingTechnologyCo.,Ltd.ReportNo.:SZNTT26017411E1-1 TestReportTel:0755-27889935Web:http://www.ntt-testing.comPage2of31 TABLEOFCONTENT 1.GeneralInformation......................................................................................5 1.1.DescriptionofDevice(EUT).......................................................................................................................5 1.2.ChannelList..................................................................................................................................................5 1.3.Testconfiguration.........................................................................................................................................5 1.4.Summaryoftestresult................................................................................................................................6 1.5.SpecialAccessoriesandAuxiliaryEquipment........................................................................................6 1.6.Testmode......................................................................................................................................................6 1.7.BlockDiagram...............................................................................................................................................7 1.8.TestConditions.............................................................................................................................................7 1.9.MeasurementUncertainty(95%confidencelevels,k=2)......................................................................7 1.10.TestFacility..................................................................................................................................................8 1.11.TestEquipment...........................................................................................................................................8 2.Conductedemissionatthemainsterminalstest....................................10 2.1.Limit..............................................................................................................................................................10 2.2.TestSetup....................................................................................................................................................10 2.3.TestProcedure............................................................................................................................................10 2.4.TestResult...................................................................................................................................................11 3.RadiatedSpuriousEmissions...................................................................13 3.1.Limit..............................................................................................................................................................13 3.2.TestSetup....................................................................................................................................................14 3.3.TestProcedure............................................................................................................................................16 3.4.TestResult...................................................................................................................................................17 4.Dutycycle.....................................................................................................24 4.1.Limit..............................................................................................................................................................24 4.2.TestSetup....................................................................................................................................................24 4.3.TestProcedure............................................................................................................................................24 4.4.TestResult...................................................................................................................................................24 5.ConductedSpuriousEmissions................................................................25 5.1.Limit..............................................................................................................................................................25 5.2.TestSetup....................................................................................................................................................25 5.3.TestProcedure............................................................................................................................................25 5.4.TestResult...................................................................................................................................................25 6.BandEdgeMeasurement.........................................…

Text truncated - open the document above for the full version.

ProductNumber：SC2400D1(D1W2)-L300 Page1Version：1.0IssueDate2024-3-6 ShenzhenShenchaocommunicationelectronicsCo.,LTD Address:Room531CWest,DecorationBuilding,Building10,No.8 Bagua1stRoad,FutianDistrict,Shenzhen,Guangdong518000,China Productspecification 客户：SKYKINGINNOVATIONSCO.,LIMITED CUSTOMER： 客户案号： CUSTOMERP/N： 本厂编号：SC2400D1(D1W2)-L300 OURMODELNO： 品名/规格：2.4GCoppertubeantenna SPECIFICATIONS： 样品数：0 Q ， TY： 日期：2024-3-6 ProductNumber：SC2400D1(D1W2)-L300 Page2Version：1.0IssueDate2024-3-6 1.TechnicalSpecification A.ElectricalCharacteristics AntennaTypeCoppertubeantenna WorkingFrequencyRange 2400~2500MHz S.W.R. 2400~2500MHz:<3.0 AntennaGain 2400~2500MHz:3.84dBiMax Impedance50ohm B.Material brass C.Environmental OperationTemperature-45 °C ~+85 °C StorageTemperature-45 °C ~+85 °C 2.MatchingCircuits ElementValueVender E1(0402)OPEN/ ProductNumber：SC2400D1(D1W2)-L300 Page3Version：1.0IssueDate2024-3-6 E2(0402)SHORT50Ω E3(0402)OPEN/ 3.Curingantenna S11TestingResult . TheS11parameterwasperformedusingaAgilent8753DNetworkAnalyzer andBEST’Stestfixturethatwasusingcustomer-providingdevice. VSWR(Voltagestandingwaveratio) TheVoltageStandingWaveRatio(VSWR)isanindicationofhowgoodthe impedancematchis.VSWRisoftenabbreviatedasSWR.Ifthetransmissionline andtheantennaarenotmatched,theantennawillnotacceptallthepowerfrom thetransmissionline.Thepartitdoesnotacceptisreflectedbackandforth betweenthetransmitterandtheantenna.Thissetsupafixedwavepatternalong thelinewhichwecanmeasureandwhichiscalledthevoltagestandingwave ration(VSWR).TheVSWR(ratioofmaximumvoltagetotheminimumvoltage alongtheline)expressesthedegreeofmatchbetweenthetransmissionlineandthe antenna.WhentheVSWRis1to1(1:1)thematchisperfectandalltheenergyis transferredtotheantennapriortoberadiated.WhentheVSWRis1.5:1,96%of thepowerreachestheantenna.BydefinitionVSWRcanneverbelessthan 1.VSWRandreflectedpoweraredifferentwaysofmeasuringandexpressingthe samething.AhighVSWRisindicationthatthesignalisreflectedpriortobeing radiatedbytheantenna. 驻波 VSWR ProductNumber：SC2400D1(D1W2)-L300 Page4Version：1.0IssueDate2024-3-6 Marker2400MHz2450MHz2500MHz S.W.R<3.0 4.3DTestReport Frequency：2400MHZGain：3.11dbi Frequency：2450MHZGain：3.52dbi Frequency：2500MHZGain：3.84dbi ProductNumber：SC2400D1(D1W2)-L300 Page5Version：1.0IssueDate2024-3-6 5.Testdata 6.Productappearancedrawing

Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page1of58 RF Test Data FCC ID: 2BKNV-VWTM345 Duty Cycle........................................................................................................................................................................2 Maximum Average Conducted Output Power..................................................................................................................9 -6dB Bandwidth..............................................................................................................................................................16 Occupied Channel Bandwidth........................................................................................................................................23 Maximum Power Spectral Density Level....................................................................................................................... 30 Band Edge......................................................................................................................................................................37 Conducted RF Spurious Emission.................................................................................................................................46 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page2of58 Duty Cycle ConditionModeFrequency(MHz)AntennaDutyCycle(%)CorrectionFactor(dB)1/T(kHz) NVNTb2412Ant188.920.511.36 NVNTb2437Ant188.670.521.36 NVNTb2462Ant188.920.511.36 NVNTg2412Ant156.312.498.62 NVNTg2437Ant156.82.468.55 NVNTg2462Ant156.312.498.62 NVNTn202412Ant156.592.478.62 NVNTn202437Ant156.592.478.62 NVNTn202462Ant156.592.478.62 NVNTn402422Ant145.453.4213.33 NVNTn402437Ant140.983.8713.33 NVNTn402452Ant146.063.3713.16 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page3of58 Duty Cycle NVNT b 2412MHz Ant1 Duty Cycle NVNT b 2437MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page4of58 Duty Cycle NVNT b 2462MHz Ant1 Duty Cycle NVNT g 2412MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page5of58 Duty Cycle NVNT g 2437MHz Ant1 Duty Cycle NVNT g 2462MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page6of58 Duty Cycle NVNT n20 2412MHz Ant1 Duty Cycle NVNT n20 2437MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page7of58 Duty Cycle NVNT n20 2462MHz Ant1 Duty Cycle NVNT n40 2422MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page8of58 Duty Cycle NVNT n40 2437MHz Ant1 Duty Cycle NVNT n40 2452MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page9of58 Maximum Average Conducted Output Power Conditi on Mod e Frequen cy(MHz) Anten na Conduct edPower (dBm) Duty Fact or (dB) Total Conduct edPower (dBm) Total Conduct edPower (W) Limit Conducted(dB m) Verdi ct NVNTb2412Ant16.80.517.310.0053830Pass NVNTb2437Ant14.840.525.360.0034430Pass NVNTb2462Ant17.240.517.750.0059630Pass NVNTg2412Ant14.142.496.630.004630Pass NVNTg2437Ant12.352.464.810.0030330Pass NVNTg2462Ant14.62.497.090.0051230Pass NVNT n202412Ant14.262.476.730.0047130Pass NVNT n202437Ant12.562.475.030.0031830Pass NVNT n202462Ant14.742.477.210.0052630Pass NVNT n402422Ant123.425.420.0034830Pass NVNT n402437Ant11.923.875.790.0037930Pass NVNT n402452Ant13.153.376.520.0044930Pass Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page10of58 Average Power NVNT b 2412MHz Ant1 Average Power NVNT b 2437MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page11of58 Average Power NVNT b 2462MHz Ant1 Average Power NVNT g 2412MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page12of58 Average Power NVNT g 2437MHz Ant1 Average Power NVNT g 2462MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page13of58 Average Power NVNT n20 2412MHz Ant1 Average Power NVNT n20 2437MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page14of58 Average Power NVNT n20 2462MHz Ant1 Average Power NVNT n40 2422MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page15of58 Average Power NVNT n40 2437MHz Ant1 Average Power NVNT n40 2452MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page16of58 -6dB Bandwidth ConditionModeFrequency (MHz) Antenna-6dBBandwidth (MHz) Limit-6dBBandwidth (MHz) Verdict NVNTb2412Ant19.0970.5Pass NVNTb2437Ant19.0930.5Pass NVNTb2462Ant19.510.5Pass NVNTg2412Ant116.150.5Pass NVNTg2437Ant116.20.5Pass NVNTg2462Ant116.030.5Pass NVNTn202412Ant117.030.5Pass NVNTn202437Ant117.130.5Pass NVNTn202462Ant116.950.5Pass NVNTn402422Ant135.980.5Pass NVNTn402437Ant135.830.5Pass NVNTn402452Ant135.440.5Pass Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page17of58 -6dB Bandwidth NVNT b 2412MHz Ant1 -6dB Bandwidth NVNT b 2437MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page18of58 -6dB Bandwidth NVNT b 2462MHz Ant1 -6dB Bandwidth NVNT g 2412MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page19of58 -6dB Bandwidth NVNT g 2437MHz Ant1 -6dB Bandwidth NVNT g 2462MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page20of58 -6dB Bandwidth NVNT n20 2412MHz Ant1 -6dB Bandwidth NVNT n20 2437MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page21of58 -6dB Bandwidth NVNT n20 2462MHz Ant1 -6dB Bandwidth NVNT n40 2422MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page22of58 -6dB Bandwidth NVNT n40 2437MHz Ant1 -6dB Bandwidth NVNT n40 2452MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page23of58 Occupied Channel Bandwidth ConditionModeFrequency(MHz)Antenna99%OBW(MHz) NVNTb2412Ant112.018 NVNTb2437Ant111.843 NVNTb2462Ant112.29 NVNTg2412Ant116.638 NVNTg2437Ant116.567 NVNTg2462Ant116.903 NVNTn202412Ant117.662 NVNTn202437Ant117.595 NVNTn202462Ant117.872 NVNTn402422Ant136.331 NVNTn402437Ant136.175 NVNTn402452Ant136.127 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page24of58 OBW NVNT b 2412MHz Ant1 OBW NVNT b 2437MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page25of58 OBW NVNT b 2462MHz Ant1 OBW NVNT g 2412MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page26of58 OBW NVNT g 2437MHz Ant1 OBW NVNT g 2462MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page27of58 OBW NVNT n20 2412MHz Ant1 OBW NVNT n20 2437MHz Ant1 Report No.:SZNTT26017411E1-1 SZNTT-TR728-0Page28of58 OBW NVNT n20 2462MHz Ant1…

Text truncated - open the document above for the full version.