Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Rev1/26/2023 ShenzhenXiaoshiTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:08-10-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BXAK-K20 (“ShenzhenXiaoshiTechnologyCo.,Ltd”)certifiesthattheequipmentforwhichauthorizationissought isnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules. (“ShenzhenXiaoshiTechnologyCo.,Ltd”)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)LIHAIYANG (Applicantprintedname) Rev1/26/2023 ShenzhenXiaoshiTechnologyCo.,Ltd FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:08-10-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BXAK-K20 (“ShenzhenXiaoshiTechnologyCo.,Ltd”)certifiesthat,asofthedateofthefilingoftheapplication, ShenzhenXiaoshiTechnologyCo.,LtdisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)LIHAIYANG
ShenzhenXiaoshiTechnologyCo.,Ltd 2.911(d)(7)USAAgentv1.4 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:ShenzhenXiaoshiTechnologyCo.,Ltd Address:5thFloor,BuildingA8,MeiyinZhihuiInnovationPark,Fuyong Subdistrict,Bao'anDistrict,ShenzhenCity,GuangdongProvince,China ProductName:Children'svisualwalkie-talkie FCCID:2BXAK-K20 Model(s):K20,K21,K22,K23,K30 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[ShenzhenXiaoshiTechnologyCo.,Ltd](“theapplicant”)designate[CELLTINC.] NOTE1 forthepurposeofacceptingserviceofprocessonbehalfoftheapplicant. Applicantconsent:WeAcknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminated allmarketingandimportationoftheapplicableequipmentwithintheU.S.,orthe conclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolving theequipment,whicheverislater. Agentobligation:WeAcknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,ortheconclusionofanyCommission-relatedadministrativeorjudicial proceedinginvolvingtheequipment,whicheverislater. USAAgent Companyname:CELLTINC. Address:140121STST#12958 SACRAMENTO,CA95811,USA FRN:0036412567 ContactName:ThompsonLim Applicant Companyname:ShenzhenXiaoshi TechnologyCo.,Ltd Address:5thFloor,BuildingA8,Meiyin ZhihuiInnovationPark,Fuyong Subdistrict,Bao'anDistrict,Shenzhen City,GuangdongProvince,China ShenzhenXiaoshiTechnologyCo.,Ltd 2.911(d)(7)USAAgentv1.4 TelephoneNo:001-424-3474188 Email:[email protected] FCCGranteeCode:2BXAK ContactName:LIHAIYANG TelephoneNo:13556857607 Email:[email protected] Signature: Title:Manager Signature: Title:Manager Date:2026-08-10Date:2026-08-10 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the
ShenzhenXiaoshiTechnologyCo.,Ltd Date : 08-10-2026 Product/ModelNumber:Children'svisualwalkie-talkie/K20,K21,K22, K23,K30 FCCID : 2BXAK-K20 Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By:LIHAIYANG ContactListedonFCCWesbite Title:Manger Email:[email protected] Telephone:13556857607 Onbehalfof:ShenzhenXiaoshiTechnologyCo.,Ltd
ShenzhenXiaoshiTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:August10,2026 Subject;RequestforConfidentiality FCCID:2BXAK-K20 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:LIHAIYANG Title:Manger
ShenzhenXiaoshiTechnologyCo.,Ltd ProductSimilarityDeclaration Productname:Children'svisualwalkie-talkie Modelname:K20,K21,K22,K23,K30 Trademark:N/A FCCID:2BXAK-K20 We(ShenzhenXiaoshiTechnologyCo.,Ltd)herebystatethatall themodelsareelectricalidenticalincludingthesamesoftware parameterandhardwaredesign(i.e.,circuitdesign,PCBLayout, RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),samemechanicalstructureand design(includingproductenclosure,materials,etc.,),theonly differencearethemodelnameandappearancecolor. Signature: Name:LIHAIYANG Title:Manager Place,date:Shenzhen,2026.08.10
Model:K20 FCCID:2BXAK-K20 Size:22mm*10mm Labellocation
FCCID:2BXAK-K20 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 24128.49 8±1.09.07.94335.002.46733.0 24376.83 7±1.08.06.30965.001.97003.0 24628.95 8±1.0 9.07.94335.002.49273.0 802.11g 24125.98 5±1.0 6.03.98115.001.23663.0 24374.16 5±1.06.03.98115.001.24303.0 24626.32 6±1.07.05.01195.001.57283.0 802.11n (HT20) 24126.17 6±1.0 7.05.01195.001.55673.0 24374.36 5±1.0 6.03.98115.001.24303.0 24626.52 6±1.07.05.01195.001.57283.0
Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page1of41 RF Test Data Duty Cycle........................................................................................................................................................................2 Maximum Average Conducted Output Power..................................................................................................................8 -6dB Bandwidth................................................................................................................................................................9 Occupied Channel Bandwidth........................................................................................................................................15 Maximum Power Spectral Density Level....................................................................................................................... 19 Band Edge......................................................................................................................................................................25 Conducted RF Spurious Emission.................................................................................................................................32 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page2of41 Duty Cycle ConditionModeFrequency(MHz)AntennaDutyCycle(%)CorrectionFactor(dB)1/T(kHz) NVNTb2412Ant189.770.471.36 NVNTb2437Ant188.80.521.36 NVNTb2462Ant188.730.521.36 NVNTg2412Ant156.312.498.62 NVNTg2437Ant156.552.488.58 NVNTg2462Ant156.552.488.58 NVNTn202412Ant156.22.58.66 NVNTn202437Ant156.342.498.66 NVNTn202462Ant156.342.498.66 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page3of41 Duty Cycle NVNT b 2412MHz Ant1 Duty Cycle NVNT b 2437MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page4of41 Duty Cycle NVNT b 2462MHz Ant1 Duty Cycle NVNT g 2412MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page5of41 Duty Cycle NVNT g 2437MHz Ant1 Duty Cycle NVNT g 2462MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page6of41 Duty Cycle NVNT n20 2412MHz Ant1 Duty Cycle NVNT n20 2437MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page7of41 Duty Cycle NVNT n20 2462MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page8of41 Maximum Average Conducted Output Power ConditionModeFrequency (MHz) AntennaConducted Power(dBm) Conducted Power(W) Limit Conducted(dBm) Verdict NVNTb2412Ant18.490.0070630Pass NVNTb2437Ant16.830.0048230Pass NVNTb2462Ant18.950.0078530Pass NVNTg2412Ant15.980.0039630Pass NVNTg2437Ant14.160.0026130Pass NVNTg2462Ant16.320.0042930Pass NVNT n202412Ant16.170.0041430Pass NVNT n202437Ant14.360.0027330Pass NVNT n202462Ant16.520.0044930Pass Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page9of41 -6dB Bandwidth ConditionModeFrequency (MHz) Antenna-6dBBandwidth (MHz) Limit-6dBBandwidth (MHz) Verdict NVNTb2412Ant19.110.5Pass NVNTb2437Ant19.0880.5Pass NVNTb2462Ant19.1110.5Pass NVNTg2412Ant116.350.5Pass NVNTg2437Ant116.30.5Pass NVNTg2462Ant116.370.5Pass NVNT n202412Ant117.350.5Pass NVNT n202437Ant117.280.5Pass NVNT n202462Ant117.350.5Pass Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page10of41 -6dB Bandwidth NVNT b 2412MHz Ant1 -6dB Bandwidth NVNT b 2437MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page11of41 -6dB Bandwidth NVNT b 2462MHz Ant1 -6dB Bandwidth NVNT g 2412MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page12of41 -6dB Bandwidth NVNT g 2437MHz Ant1 -6dB Bandwidth NVNT g 2462MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page13of41 -6dB Bandwidth NVNT n20 2412MHz Ant1 -6dB Bandwidth NVNT n20 2437MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page14of41 -6dB Bandwidth NVNT n20 2462MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page15of41 Occupied Channel Bandwidth ConditionModeFrequency(MHz)Antenna99%OBW(MHz) NVNTb2412Ant111.821 NVNTb2462Ant111.844 NVNTg2412Ant116.561 NVNTg2462Ant116.625 NVNTn202412Ant117.581 NVNTn202462Ant117.616 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page16of41 OBW NVNT b 2412MHz Ant1 OBW NVNT b 2462MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page17of41 OBW NVNT g 2412MHz Ant1 OBW NVNT g 2462MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page18of41 OBW NVNT n20 2412MHz Ant1 OBW NVNT n20 2462MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page19of41 Maximum Power Spectral Density Level ConditionModeFrequency (MHz) AntennaConducted PSD (dBm/30kHz) Duty Factor (dB) TotalPSD (dBm/30kHz) Limit (dBm/3kHz) Verdict NVNTb2412Ant1-12.490.62-11.878Pass NVNTb2437Ant1-14.960.52-14.448Pass NVNTb2462Ant1-12.880.51-12.378Pass NVNTg2412Ant1-16.212.49-13.728Pass NVNTg2437Ant1-17.972.49-15.488Pass NVNTg2462Ant1-16.172.49-13.688Pass NVNT n202412Ant1-16.512.45-14.068Pass NVNT n202437Ant1-18.42.49-15.918Pass NVNT n202462Ant1-15.752.45-13.38Pass Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page20of41 PSD NVNT b 2412MHz Ant1 PSD NVNT b 2437MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page21of41 PSD NVNT b 2462MHz Ant1 PSD NVNT g 2412MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page22of41 PSD NVNT g 2437MHz Ant1 PSD NVNT g 2462MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page23of41 PSD NVNT n20 2412MHz Ant1 PSD NVNT n20 2437MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page24of41 PSD NVNT n20 2462MHz Ant1 Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page25of41 Band Edge ConditionModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict NVNTb2412Ant1-46.67-30Pass NVNTb2462Ant1-55.51-30Pass NVNTg2412Ant1-32.35-30Pass NVNTg2462Ant1-40.79-30Pass NVNTn202412Ant1-31.83-30Pass NVNTn202462Ant1-38.17-30Pass Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page26of41 Band Edge NVNT b 2412MHz Ant1 Ref Band Edge NVNT b 2412MHz Ant1 Emission Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page27of41 Band Edge NVNT b 2462MHz Ant1 Ref Band Edge NVNT b 2462MHz Ant1 Emission Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page28of41 Band Edge NVNT g 2412MHz Ant1 Ref Band Edge NVNT g 2412MHz Ant1 Emission Report No.:SZNTT26025062E1-1 SZNTT-TR728-0Page29of41 Band Edge NVNT g 2462MHz Ant1 Ref Band Edge NVNT g 2462MHz …
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AntennaSpecification Manufacturer:ShenzhenXiaoshiTechnologyCo.,Ltd Address:5thFloor,BuildingA8,MeiyinZhihuiInnovationPark,Fuyong Subdistrict,Bao'anDistrict,ShenzhenCity,GuangdongProvince, China AntennaModel:K20 Antennatype:MonopoleAntenna Frequency Range: 2400~2500MHz Gain:2.54dBi(Max) Antennadimensiondrawing Unit:mm AntennaSpecification 2.4GAntenna3DtestPattern 2400MHz(AxisZ) 2450MHz(AxisZ) 2500MHz(AxisZ)
ShenzhenNTTTestingTechnologyCo.,Ltd.ReportNo.:SZNTT26025062E1-1 SZNTT-TR830-0Tel:0755-27889935Web:http://www.ntt-testing.comPage1of31 TESTREPORT Applicant:ShenzhenXiaoshiTechnologyCo.,Ltd Address: 5thFloor,BuildingA8,MeiyinZhihuiInnovationPark,Fuyong Subdistrict,Bao'anDistrict,ShenzhenCity,GuangdongProvince, China Manufacturer:ShenzhenXiaoshiTechnologyCo.,Ltd Address: 5thFloor,BuildingA8,MeiyinZhihuiInnovationPark,Fuyong Subdistrict,Bao'anDistrict,ShenzhenCity,GuangdongProvince, China ProductName:Children'svisualwalkie-talkie ModelNumber:K20,K21,K22,K23,K30 Trademark:N/A FCCID:2BXAK-K20 TestDate:Jun.16,2026–Jul.13,2026 DateofReport:Jul.20,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyNTT,andthetest resultsshowthattheequipmentundertest(EUT)isincompliance withtheStandardrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+Erratato C63.10a-2024 Preparedby(TestEngineer): CindyQin Reviewer(Supervisor): KenWu Approved(Manager): AbelYu ShenzhenNTTTestingTechnologyCo.,Ltd.ReportNo.:SZNTT26025062E1-1 SZNTT-TR830-0Tel: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.................................................................................................…
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| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.41 GHz - 2.46 GHz | 7.85 mW |