2AH9Q-MXAS400xTool SafetyPro AP2 MAX

MakeblockCo.,Ltd. 2.911(d)(7)USAAgentv1.5 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:MakeblockCo.,Ltd. Address:Floor4,BuildingC3,NanshaniPark,No.1001XueyuanAvenue,Nanshan District,Shenzhen,GuangdongProvince,518000,China FCCID:2AH9Q-MXAS400 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[MakeblockCo.,Ltd.]designate[LinkwldLLC] NOTE1 forthepurposeofaccepting serviceofprocessonbehalfoftheapplicant. Applicantconsent:Weacknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeour acceptanceofourobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherwethegranteehavepermanently terminatedallmarketingandimportationoftheapplicableequipmentwithintheU.S., orattheconclusionofanyCommission-relatedadministrativeorjudicialproceeding involvingtheequipment,whicheverislater. Agentobligation:Weacknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,orattheconclusionofanyCommission-relatedadministrativeor judicialproceedinginvolvingtheequipment,whicheverislater. USAAgentApplicant Companyname:LinkwldLLCCompanyname:MakeblockCo.,Ltd. USAAddress:7595Technology WaySte100,Denver,CO80237, US Address:Floor4,BuildingC3,NanshaniPark, No.1001XueyuanAvenue,NanshanDistrict, Shenzhen,GuangdongProvince,518000,China FRNNumber:0033625682GranteeFRNNumber:0035306281 ContactName:TimothyZhu FCCGranteeCode:2AH9Q TelephoneNo:(747)717-2691ContactName:JohnsonZhang Email:[email protected] TelephoneNo:0755-26392228 Email:[email protected] Signature: Title:Manager Signature: Title:QualityManager Date:2025-09-26Date:2025-09-26 MakeblockCo.,Ltd. 2.911(d)(7)USAAgentv1.5 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

MakeblockCo.,Ltd. Floor4,BuildingC3,NanshaniPark,No.1001XueyuanAvenue,NanshanDistrict,Shenzhen, GuangdongProvince,518000,China AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:9/25/2025 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2AH9Q-MXAS400 MakeblockCo.,Ltd.certifiesthat,asofthedateofthefilingoftheapplication,theapplicantisnot identifiedontheCoveredList,establishedpursuantto§1.50002ofreferencechapter,asanentity producing“covered”communicationequipment.Theequipmentforwhichauthorizationissoughtisnot “covered”telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentities identifiedontheCommission’sCoveredListthatprohibitedfromreceivinganequipmentauthorization pursuanttosection§2.903oftheFCCrules. Sincerelyyours, PrintedName:JohnsonZhang Title:QualityManager Address:Floor4,BuildingC3,NanshaniPark,No.1001XueyuanAvenue,NanshanDistrict,Shenzhen, GuangdongProvince,518000,China Tel.:0755-26392228 Email:[email protected]

MakeblockCo.,Ltd. Floor4,BuildingC3,NanshaniPark,No.1001XueyuanAvenue,NanshanDistrict,Shenzhen,Guangdong Province,518000,China 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Sep.29,25 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2AH9Q-MXAS400 ProductName:xToolSafetyProAP2MAX Thisletterservesasanattestationthattheequipmentidentifiedaboveisnot(selectone)"covered"software asdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,asoutlined inFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, PrintedName:JohnsonZhang Title:QualityManager Address:Floor4,BuildingC3,NanshaniPark,No.1001XueyuanAvenue,NanshanDistrict,Shenzhen, GuangdongProvince,518000,China Tel.:0755-26392228 Email:[email protected] MakeblockCo.,Ltd. Floor4,BuildingC3,NanshaniPark,No.1001XueyuanAvenue,NanshanDistrict,Shenzhen,Guangdong Province,518000,China 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) Seeattached“SBoM“ Note:TheSBoMcontentislimited tothescopeofcoveredlist software(e.g.antivirusand cybersecuritysoftware). ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

MakeblockCo.,Ltd. Floor4,BuildingC3,NanshaniPark,No.1001XueyuanAvenue,NanshanDistrict,Shenzhen, GuangdongProvince,518000,China 2025/09/23 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2AH9Q-MXAS400 I,theundersigned,herebyauthorize(ShenzhenAnbotekComplianceLaboratoryLimited.)toactonour behalfinallmattersrelatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(ShenzhenAnbotekComplianceLaboratoryLimited.)shallhavethesameeffectas ourownandIacknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsof certification,asspecifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(Makeblock Co.,Ltd.). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, PrintedName:JohnsonZhang Title:QualityManager Tel.:0755-26392228 Fax:075522674927 Email:[email protected]

MakeblockCo.,Ltd. Floor4,BuildingC3,NanshaniPark,No.1001XueyuanAvenue,NanshanDistrict, Shenzhen,GuangdongProvince,518000,China 9/25/2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2AH9Q-MXAS400 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow: BlockDiagram Schematics OperationalDescription Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof(upto180)daysfromthedateofequipmentauthorizationandpriorto marketingintheUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantis awareoftheirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductorthe productismadeavailabletothepublicbeforetherequestedperiodhasexpired.  UserManual InternalPhotos  ExternalPhotos TestSetupPhotos Sincerely, Title:QualityManager Address:Floor4,BuildingC3,NanshaniPark,No.1001XueyuanAvenue,NanshanDistrict,Shenzhen, GuangdongProvince,518000,China Tel.:0755-26392228 Email:[email protected]

LabelLocation Confirmtheuseofrealappearancephotosasreferences

RFEXPOSUREEVALUATION KDB447498D01MobileandPortableDevicesRFExposureProceduresand EquipmentAuthorizationPoliciesv06. AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b) EUTSpecification FCCID2AH9Q-MXAS400 EUT xToolSafetyProAP2MAX Frequencyband(Operating)BT:2.402GHz~2.480GH WLAN:2.412GHz~2.462GHz RLAN:5.180GHz~5.240GHz RLAN:5.260GHz~5.320GHz RLAN:5.500GHz~5.700GHz RLAN:5.745GHz~5.825GHz Others:NFC:13.56MHz DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others___ ExposureclassificationOccupational/Controlledexposure(S=5mW/cm2) GeneralPopulation/Uncontrolledexposure(S=1mW/cm2) AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Antennagain(Max) BLE:2.79dBi WiFi 2.4G:-4.26dBi NFC:0dBi EvaluationappliedMPEEvaluation SAREvaluation LimitsforMaximumPermissibleExposure(MPE) Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) Power Density(mW/cm 2 ) Average Time (A)LimitsforOccupational/ControlExposures 300-1500----F/3006 1500-100000----56 (B)LimitsforGeneralPopulation/UncontrolExposures 300-1500----F/15006 1500-100000----130 Friistransmissionformula:Pd=(Pout*G)\(4*pi*R2) Where Pd=PowerdensityinmW/cm 2 Pout=outputpowertoantennainMw G=gainofantennainlinearscale Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdthelimitofMPE,1mW/cm2.Ifweknowthemaximumgainoftheantenna andtotalpowerinputtotheantenna,throughthecalculation,wewillknowthe distancewheretheMPElimitisreached. MaxMeasurementResult OperatingMode E-Fieldstrength (dBμV/m) MaxOutputpower (dBm) NFC47.57-47.63 MaxOutputpower=E-Fieldstrength-95.2=47.57-95.2=-47.63dBm Note:EIRP(dBm)=E(dBμV/m)-95.2 OperatingMode Measured Power Tuneup tolerance Max.Tune upPower Antenna Gain Power densityat 20cm Power densityLimits (mW/cm2) (dBm)(dBm)(dBm)(dBi)(mW/cm2) BLE-1.71-1.71±1-0.712.790.00031 WiFi2.4G10.2110.21±111.21-4.260.0010 1 NFC-47.63-47.63±1-47.3500.0538 1 No.ApplicableSimultaneousTransmission 1.BLEANT1+WiFi2.4GANT2+NFC TheMaximumsimultaneoustransmissionforWiFi2.4GANT1+WiFi5.6GAN1: =S WiFi2.4GANT1 /S limit-2.4 +S WiFi5.6GANT1 /S limit-5.6+ S NFC /S limit-NFC =0.0003/1+0.0010/1+0.0538/1 =0.0551 <1.0 Result:NoStandaloneSARtestisrequired.

ANTENNA SPECIFICATION Antenna manufacturer: Nations PolyTek(Shenzhen)Co..Ltd. Brand name: Nations Antenna Information: 1. Antenna 1: Bluetooth antenna Frequency range: 2400-2483.5MHz Model name: NSM-B01 Type of antenna：PCB antenna Antenna gain: FrequencyGain (dBi)Efficiency(%) 2400MHz2.3318% 2440MHz2.7918% 2485MHz2.2119% Radiation Pattern: Antenna Photo：

ReportNo.:1812C50399612501 Page 1 of 22 AppendixTestData ReportNo.:1812C50399612501TestSampleNo.:1-2-2 StartTestDate:2025-8-8FinishTestDate:2025-9-3 TestEngineer:Auditor: Temperature:21.8°CRelativeHumidity:61% Pressure:101kPa AppendixA:6dBBandwidth TestResult Test Mode AntennaFrequency[MHz] 6dBBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124020.7402401.6362402.3760.5PASS BLE_1MAnt124400.7362439.6402440.3760.5PASS BLE_1MAnt124800.7202479.6602480.3800.5PASS ReportNo.:1812C50399612501 Page 2 of 22 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C50399612501 Page 3 of 22 BLE_1M-Ant1-2480-PASS ReportNo.:1812C50399612501 Page 4 of 22 AppendixB:99%OccupiedBandwidth TestResult Test Mode AntennaFrequency[MHz] OCB [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt124021.06712401.48642402.5535------ BLE_1MAnt124401.08562439.48122440.5668------ BLE_1MAnt124801.05432479.49812480.5524------ ReportNo.:1812C50399612501 Page 5 of 22 TestGraphs BLE_1M-Ant1-2402 BLE_1M-Ant1-2440 ReportNo.:1812C50399612501 Page 6 of 22 BLE_1M-Ant1-2480 ReportNo.:1812C50399612501 Page 7 of 22 AppendixC:Maximumconductedoutputpower TestResultPeak Test Mode Antenna Frequency [MHz] Conducted Peak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt12402-3.03≤30PASS BLE_1MAnt12440-1.87≤30PASS BLE_1MAnt12480-1.71≤30PASS TestGraphsPeak BLE_1M-Ant1-2402-PASS ReportNo.:1812C50399612501 Page 8 of 22 BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS ReportNo.:1812C50399612501 Page 9 of 22 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-16.34≤8.00PASS BLE_1MAnt12440-15.33≤8.00PASS BLE_1MAnt12480-15.02≤8.00PASS ReportNo.:1812C50399612501 Page 10 of 22 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS ReportNo.:1812C50399612501 Page 11 of 22 BLE_1M-Ant1-2480-PASS ReportNo.:1812C50399612501 Page 12 of 22 AppendixE:Bandedgemeasurements TestResult Test Mode AntennaChName Frequency [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt1Low2402-3.16-52.52≤-23.16PASS BLE_1MAnt1High2480-1.75-56.78≤-21.75PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecablelosehavebeensetinthe 'offset'oftheSpectrumAnalyzerduringthetest. ReportNo.:1812C50399612501 Page 13 of 22 TestGraphs BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2480-PASS ReportNo.:1812C50399612501 Page 14 of 22 AppendixF:ConductedSpuriousEmission TestResult Test Mode Antenna Frequency [MHz] Freq.Range [MHz] Ref. Level [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt124020~Reference-3.19-3.19---PASS BLE_1MAnt1240230~1000-3.19-55.96≤-23.19PASS BLE_1MAnt124021000~26500-3.19-48.95≤-23.19PASS BLE_1MAnt124400~Reference-2.04-2.04---PASS BLE_1MAnt1244030~1000-2.04-57.97≤-22.04PASS BLE_1MAnt124401000~26500-2.04-38.53≤-22.04PASS BLE_1MAnt124800~Reference-1.90-1.90---PASS BLE_1MAnt1248030~1000-1.90-57.59≤-21.9PASS BLE_1MAnt124801000~26500-1.90-40.02≤-21.9PASS Remark:Regardingthespuriousemissionsfrom30MHzto26.5GHz,thecableloseandattenuator factorshavebeensetinthe'InputCorrection'oftheSpectrumAnalyzerduringthetest. ReportNo.:1812C50399612501 Page 15 of 22 TestGraphs BLE_1M-Ant1-2402-0~Reference-PASS BLE_1M-Ant1-2402-30~1000-PASS ReportNo.:1812C50399612501 Page 16 of 22 BLE_1M-Ant1-2402-1000~26500-PASS BLE_1M-Ant1-2440-0~Reference-PASS ReportNo.:1812C50399612501 Page 17 of 22 BLE_1M-Ant1-2440-30~1000-PASS BLE_1M-Ant1-2440-1000~26500-PASS ReportNo.:1812C50399612501 Page 18 of 22 BLE_1M-Ant1-2480-0~Reference-PASS BLE_1M-Ant1-2480-30~1000-PASS ReportNo.:1812C50399612501 Page 19 of 22 BLE_1M-Ant1-2480-1000~26500-PASS ReportNo.:1812C50399612501 Page 20 of 22 AppendixG:DutyCycle TestResult Test Mode Antenna Frequency [MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt124020.410.6266.131.80 BLE_1MAnt124400.410.6266.131.80 BLE_1MAnt124800.420.6267.741.69 ReportNo.:1812C50399612501 Page 21 of 22 TestGraphs NTNV-BLE_1M-Ant1-2402 NTNV-BLE_1M-Ant1-2440 ReportNo.:1812C50399612501 Page 22 of 22 NTNV-BLE_1M-Ant1-2480 ---End---

Page 1 of 32 FCC Test Report Report No.:1812C50399512501 Applicant:Makeblock Co., Ltd. Address: Floor 4, Building C3, Nanshan iPark, No.1001 Xueyuan Avenue, Nanshan District, Shenzhen, Guangdong Province, 518000, China Product Name:xTool SafetyPro AP2 MAX Report Date:2025-09-23 Shenzhen Anbotek Compliance Laboratory Limited #检测章# #资质章# Report No.:1812C50399512501Page 2 of 32 FCC ID: 2AH9Q-MXAS400 Contents 1. General Information ...............................................................................................................................6 1.1. Client Information ........................................................................................................................6 1.2. Description of Device (EUT) ........................................................................................................6 1.3. Auxiliary Equipment Used During Test........................................................................................7 1.4. Operation channel list..................................................................................................................7 1.5. Description of Test Modes...........................................................................................................7 1.6. Measurement Uncertainty ...........................................................................................................8 1.7. Additional Instructions .................................................................................................................8 1.8. Test Summary .............................................................................................................................9 1.9. Description of Test Facility ........................................................................................................10 1.10. Disclaimer................................................................................................................................10 1.11. Test Equipment List.................................................................................................................11 2. Antenna requirement ...........................................................................................................................13 2.1. Conclusion.................................................................................................................................13 3. Conducted Emission at AC power line ................................................................................................14 3.1. EUT Operation ..........................................................................................................................14 3.2. Test Setup .................................................................................................................................14 3.3. Test Data ...................................................................................................................................15 4. 6dB Bandwidth ....................................................................................................................................17 4.1. EUT Operation ..........................................................................................................................17 4.2. Test Setup .................................................................................................................................17 4.3. Test Data ...................................................................................................................................17 5. Maximum Conducted Output Power....................................................................................................18 5.1. EUT Operation ..........................................................................................................................18 5.2. Test Setup .................................................................................................................................18 5.3. Test Data ...................................................................................................................................18 6. Power Spectral Density .......................................................................................................................19 6.1. EUT Operation ..........................................................................................................................19 6.2. Test Setup .................................................................................................................................19 6.3. Test Data ...................................................................................................................................19 7. Emissions in non-restricted frequency bands ......................................................................................20 7.1. EUT Operation ..........................................................................................................................20 7.2. Test Setup .................................................................................................................................20 7.3. Test Data ...................................................................................................................................20 8. Band edge emissions (Radiated) ........................................................................................................21 8.1. EUT Operation ..........................................................................................................................21 8.2. Test Setup .................................................................................................................................21 8.3. Test Data ...................................................................................................................................22 9. Emissions in restricted frequency bands (below 1GHz) ....................................…

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