2BHJW-RAPTOR4503D Printer

User Manual [Raptor 450 3D Printer] Shenzhen MINGDA Technology Co.,Ltd V2.0 *Please read this guide carefully before using this printer Thank you for choosing MINGDA Technology's products! For the best experience, please read this user manual carefully and follow the instructions to operate the printer. If you encounter any issues with the printer, please contact us using the contact information provided at the end of this user manual. Our team is always ready to provide you with high-quality service. 1. Please do not place the printer in environments with significant vibrations or instability, as machine shaking can affect the print quality. 2. Avoid touching the nozzle and heated bed while the printer is in operation to prevent potential burns from high temperatures, resulting in personal injury. 3. Refrain from moving the device during the printing process to prevent accidents and injuries. 4. Do not dismantle the equipment or alter circuit settings without authorization. 5. Avoid using the device in high-temperature or humid environments to prevent compromising device performance or creating safety hazards. 6. In case of an emergency, immediately cease using the device and power it off. Cautionary Notes Contents 1 Overview ........................................................................................................................................... 2 Device Introduction ....................................................................................................................... Device Parameters ......................................................................................................................................................... Packing List ...................................................................................................................................................................... Machine Components Overview ................................................................................................................................... 3 Operational Steps ........................................................................................................................... Power on ....................................................................................................................................................................... Power on ....................................................................................................................................................................... Indicator light ................................................................................................................................................................ Startup Configuration .................................................................................................................................................... Power off ....................................................................................................................................................................... 4 Operating interface introduction ................................................................................................. 5 Insert filament ............................................................................................................................... 6 Printer Calibration ......................................................................................................................... Z Endstop ....................................................................................................................................................................... Z Calibrate ....................................................................................................................................................................... Auto Bed Leveling ........................................................................................................................................................ XY Axis Offset Calibration ........................................................................................................................................ Adjust Z probe Pos ...................................................................................................................................................... Z Height Diff Calibration .............................................................................................................................................. Input Shaper ................................................................................................................................................................ 7 Printing ......................................................................................................................................... 8 Resume Printing ............................................................................................................................ 9 Slicing Software Installation and Usage ................................................................................... Usage ........................................................................................................................................................................... Printing method .......................................................................................................................................................... LAN Printing ................................................................................................................................................................. Device Connection......................................................................................................................................................... Copy Mode ............................................................................................................................................................ Mirror Mode ..............…

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TCBCALLpágina1 FileFCCID:2BHJW-RAPTOR450 PleaseuploadanexhibitthatexplainshowdoestheTCBverifythenewagentinformation: 1-IstheaddressoftheagentavalidphysicalUSmailingaddress(notaUSpostofficebox,notavirtualmailbox,notP.O.Boxes,notavacantlot,notapublicbuilding, etc.) ○Wehavecheckediftheaddressexistsinarealandpotentialbuilding(Googlemaps)+officialUSregister,afterthisverificationandtheevidencebelowwecan guaranteethefollowing: notaUSpostofficebox notavirtualmailbox notP.O.Boxes notavacantlot notapublicbuilding(note) ►WecheckedtheFCCFRNSearchbasedontheinformationprovidedbythegrantee. Ontheofficialregisterfrom:Search|CaliforniaSecretaryofState TCBCALLpágina2 TCBCALLpágina3 TCBCALLpágina4 TCBCALLpágina5 TCBCALLpágina6 TCBCALLpágina7 TCBCALLpágina8 ►CONCLUSIONbyTCB:TheASOPdefinedandprovidedbygranteeisVALIDandconfirmed.Thereforetheexhibit"C5266091_X23_Ed1_US_Agent_Letter" includedinthefileisok. 2-IstheagentphysicallylocatedatthatvalidUSaddresssuchthattheagentcanbelegallyservedatthataddress? Yes,checkabove 3-Hasthelistedagentclearlyagreedinwritingtoserveastheagentforthegranteeatthataddress? Yes,itisincludedintheexhibit"C5266091_X23_Ed1_US_Agent_Letter" >

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:HerlandInternationalTradingInc FRN:0036324101 ContactName:JianfengGao Address:1370ValleyVistaDrSte200DiamondBarCalifornia91765-3921 TelephoneNo:001-909-772-1888 Email:[email protected] Applicant: Companyname:ShenzhenMINGDATECHNOLOGYCO.,LTD ProductDescription:3DPrinter Granteecode:2BHJW FCCID:2BHJW-RAPTOR450 FRN:0035676014 ContactName:Jackbu Address:No.19,DaheIndustrialZone,LonghuaDistrict,Shenzhen,518110,China TelephoneNo:18906679427 Email:[email protected] [ShenzhenMINGDATECHNOLOGYCO.,LTD]certifiesthat,asofthedateofthis filingoftheapplicationwiththeTCB,[HerlandInternationalTradingInc]isour designatedUSagentforserviceofprocessfortheabovereferencedFCCID. [ShenzhenMINGDATECHNOLOGYCO.,LTD]acceptstomaintainanagentfor nolessthanoneyearafterthegranteehasterminatedallmarketingand importationortheconclusionofanycommissionrelatedproceedinginvolving equipment.[HerlandInternationalTradingInc]accepts,asofthedateofthe filingoftheapplication,theobligationofthedesignatedUSagentforserviceof processfortheabovereferenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2026/08/11 Applicant’sName:JackbuUSAgent’sName:JianfengGao Title:ManagerTitle:Manager SignatureSignature

AttestationStatement. OldCode:C526609124NewCode:00015544Ed.3 Changereason:FRNisaddedtotheApplicantinformationsection. 1/1 ShenzhenMINGDATECHNOLOGYCO.,LTD TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:ShenzhenMINGDATECHNOLOGYCO.,LTD Granteecode:2BHJW FCCID:2BHJW-RAPTOR450 FRN:0035676014 ContactName:Jackbu Address:No.19,DaheIndustrialZone,LonghuaDistrict,Shenzhen,518110,China TelephoneNo:18906679427 FaxNo:18906679427 Email:[email protected] i.[ShenzhenMINGDATECHNOLOGYCO.,LTD](“theapplicant”)certifies thattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.[ShenzhenMINGDATECHNOLOGYCO.,LTD](“theapplicant”)certifies that,asofthedateofthefilingoftheapplication,theapplicant[isnot](asa specificallynamedentityoranyofitssubsidiariesoraffiliates)identifiedon theCoveredListasanentityproducing“covered”equipment.Theapplicant mustsignthiscertification. [ShenzhenMINGDATECHNOLOGYCO.,LTD](“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,theapplicant[isnot]identifiedontheCovered Listasanentityproducing“covered”equipment. Date:2026/08/11 Applicant’sName:Jackbu Title:Manager Signature: 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

ShenzhenMINGDATECHNOLOGYCO.,LTD Code00018768Ed.1 Item1.Thedeviceisabletoinstallsoftware/programinstallation? ☐ Yes,gotoItem2. ☒ No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky cybersecurityoranti-virussoftware. Item2.TechnicalRequirementsforKasperskyCybersecuritySoftware: #GeneralRequirements(ForallDevices)Yes/NoorN/AComments 1Internetconnectionforactivationandupdates(ForallOperating Systems) N/A Device3DPrinter CompanynameShenzhenMINGDATECHNOLOGYCO.,LTD Granteecode2BHJW FCCID2BHJW-RAPTOR450 FRN0035676014 ContactnameJackbu AddressNo.19,DaheIndustrialZone,Longhua District,Shenzhen,518110,China Telephonenumber18906679427 [email protected] Chipset/moduleinformationRFchip:AIC8800D80;MCUchip:STM32F407VET6 OperatingSystem(ifapplicable)N/A StorageCapacity(harddriveorother permanentmemorystorage,ifapplicable) N/A 2 #GeneralRequirements(ForWindowsDevices)Yes/NoorN/AComments 1Storage:1500MBfreespaceontheharddriveN/A 2OperatingSystem: MicrosoftWindows8,8.1,10&11Home/Pro/Enterprise Microsoft Windows7Starter/HomeBasic&Premium/Professional/ UltimateSP1orhigher N/A 3Processor:1GHzorhigher(x86orx64)N/A 4Memory(RAM)1GB(32-bit)or2GB(64-bit)N/A 5ScreenResolution:Minimumresolutionof1024x768N/A #GeneralRequirements(FormacOSdevices)Yes/NoorN/AComments 1OperatingSystemmacOS®13–14N/A 2Memory(RAM)4GBN/A 3Storage:3455MBfreespaceontheharddriveN/A #GeneralRequirements(ForAndroidDevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:Android™10–14N/A 3ScreenResolution:Minimumresolutionof320x480N/A #GeneralRequirements(foriOSdevices)Yes/NoorN/AComments 1Storage:150MBfreespaceN/A 2OperatingSystem:iOS®17N/A #GeneralRequirements(ForLinuxsystem)Yes/NoorN/AComments 3 1Harddrive:1GBoffreespaceN/A 2CPU:IntelPentium1GHzorhigherN/A 3RAM:1GBN/A 4Minimumsoftwarerequirements: AlmaLinuxOS8orlater; AlterOS7.5orlater; AstraLinuxCommonEdition2.12orlater; CentOS6.7orlater; DebianGNU/Linux10.0orlater; EulerOS2.0orlater; OracleLinux7.3orlater; RedHatEnterpriseLinux6.7orlater; RockyLinux8.5orlater; SUSELinuxEnterpriseServer12.5orlater; Ubuntu12.04orlater; UncomOSHome/Business/Education/Enterprise2.2orlater; ALTLinuxWorkstaton/WorkstationK/Server/Education8or later; ROSALinuxWorkstation/Server12orlater; REDOS7.3andlater; N/A Afterreviewedthetechnicalrequirements,isthedevicecapableofsupportingtheinstallationof Kasperskysoftware? ☐ Yes,gotoItem3. ☒No.Inthiscase,therestoftheitemsdonotapply.ThedevicecannotsupportinstallationofKaspersky software Item3.ConnectivityCapabilities: 4 #PhysicalInterfacePurposeJustification 1 1 #WirelessInterfacePurposeJustification 1 1 Afterthereviewofthisitems,thedevice: ☒Cannotsupportinstallationofanycybersecurityoranti-virussoftwareonthecoveredlist. ☐ Potentiallycanoperatewithanycybersecurityoranti-virussoftwareonthecoveredlist–additionalthird- partyproofisprovidedtodemonstratecompliancewithrequirementsasof2.911(d)5(i),(ii)–“Proofof CompliancewithCoveredListSoftwareRequirements”ofthisdocumentapplies Signature:Name:Jackbu Date:2026-08-11 1 Thejustificationfieldisusedtojustifywhythesoftwarecannotbereceivedthroughthatinterface.Checktheannexformore indications.

Shenzhen MINGDA TECHNOLOGY CO.,LTD Product Similarity Declaration FCC ID: 2BHJW-RAPTOR450 Applicant: Shenzhen MINGDA TECHNOLOGY CO.,LTD Address: No.19,Dahe Industrial Zone,Longhua District,Shenzhen,518110,China Manufacturer: Shenzhen MINGDA TECHNOLOGY CO.,LTD Address: No.19,Dahe Industrial Zone,Longhua District,Shenzhen,518110,China Product Name: 3D Printer Trade Mark: MINGDA Model Number: Raptor 450, Mextru 1300 HT, Mextru 600 HT, MD-400D+, Raptor 800, Raptor 1200, Raptor 450 Pro, Raptor 450 Ultra, MD-400D Ultra, MD-600D Ultra, MD-1000D Ultra, MD-400D Ultra HT, MD-600D Ultra HT, MD-1000D Ultra HT We (Shenzhen MINGDA TECHNOLOGY CO.,LTD) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), All models are same as the samples except model name, they have the same structure and circuit. Date: 2026-07- Name: Jakebu 31 Title: Manager Signature of applicant:

C5266091_X10_Ed.2 1/1 ShenzhenMINGDATECHNOLOGYCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026.08.11 Subject:RequestforConfidentiality FCCID:2BHJW-RAPTOR450 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality 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______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, C5266091_X10_Ed.2 1/1 Signature: Name:Jackbu Title:Manager 2026.08.11

C5266091_X8_Ed.1 1/1 LetterofAuthorization ShenzhenMINGDATECHNOLOGYCO.,LTD Company:ShenzhenMINGDATECHNOLOGYCO.,LTD Address:No.19,DaheIndustrialZone,LonghuaDistrict,Shenzhen, 518110,China ProductName:3DPrinter ModelNumber:Raptor450,Mextru1300HT,Mextru600HT,MD- 400D+,Raptor800,Raptor1200,Raptor450Pro,Raptor450Ultra, MD-400DUltra,MD-600DUltra,MD-1000DUltra,MD-400DUltraHT, MD-600DUltraHT,MD-1000DUltraHT FCCIdentifier:2BHJW-RAPTOR450 WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:JackbuDate:2026.08.11 Title:Manager Signatureofapplicant:

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(External Photos) Shenzhen DL Testing Technology Co., Ltd. ANT Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

Size: 42*26mm M/N: Raptor 450 FCC ID: 2BHJW-RAPTOR450 Label location

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(Internal Photos) Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

FCC ID: 2BHJW-RAPTOR450 RF Exposure Evaluation Limits KDB 447498 D01 General RF Exposure Guidance v06 FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Test Result of RF Exposure Evaluation wifi 2.4G mode Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 802.11b 12.67 18.4927 0.00472 1.0 PASS 802.11g 9.96 9.9083 0.00253 1.0 PASS 802.11n HT20 10.21 10.4954 0.00268 1.0 PASS 802.11n HT40 11.05 12.7350 0.00325 1.0 PASS Remark: antenna gain=1.08dBi

Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260721010R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 34 FCC Part 15C Test Report FCC ID: 2BHJW-RAPTOR450 Applicant: Shenzhen MINGDA TECHNOLOGY CO.,LTD Address: No.19,Dahe Industrial Zone,Longhua District,Shenzhen,518110,China Manufacturer: Shenzhen MINGDA TECHNOLOGY CO.,LTD Address: No.19,Dahe Industrial Zone,Longhua District,Shenzhen,518110,China Product Name: 3D Printer Trade Mark: MINGDA Model Number: Raptor 450, Mextru 1300 HT, Mextru 600 HT, MD-400D+, Raptor 800, Raptor 1200, Raptor 450 Pro, Raptor 450 Ultra, MD-400D Ultra, MD-600D Ultra, MD-1000D Ultra, MD-400D Ultra HT, MD-600D Ultra HT, MD-1000D Ultra HT Date of Receipt: Jul. 23, 2026 Test Date: Jul. 23, 2026 - Jul. 31, 2026 Date of Report: Jul. 31, 2026 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China Applicable Standards: FCC PART 15 C 15.247 ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024+Errata to C63.10a-2024 Test Result: Pass Report Number: DLE-260721010R Prepared (Test Engineer): Ken Tan Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260721010R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 34 Table of Contents Page 1 . SUMMARY OF TEST RESULTS 4 1.1 MEASUREMENT UNCERTAINTY 4 2 . GENERAL INFORMATION 5 2.1 GENERAL DESCRIPTION OF EUT 5 2.2 DESCRIPTION OF TEST MODES 6 2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 6 2.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 7 2.5 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 7 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 8 3 . EMC EMISSION TEST 9 3.1 CONDUCTED EMISSION MEASUREMENT 9 3.1.1 POWER LINE CONDUCTED EMISSION LIMITS 9 3.1.2 TEST PROCEDURE 9 3.1.3 DEVIATION FROM TEST STANDARD 9 3.1.4 TEST SETUP 10 3.1.5 EUT OPERATING CONDITIONS 10 3.1.6 TEST RESULTS 10 3.2 RADIATED EMISSION MEASUREMENT 13 3.2.1 RADIATED EMISSION LIMITS 13 3.2.2 TEST PROCEDURE 14 3.2.3 DEVIATION FROM TEST STANDARD 14 3.2.4 TEST SETUP 14 3.2.5 EUT OPERATING CONDITIONS 15 3.2.6 TEST RESULTS (BETWEEN 9KHZ – 30 MHZ) 16 3.2.7 TEST RESULTS (BETWEEN 30MHZ – 1GHZ) 17 3.2.8 TEST RESULTS (1GHZ~25GHZ) 19 3.3 RADIATED BAND EMISSION MEASUREMENT 23 3.3.1 TEST REQUIREMENT: 23 3.3.2 TEST PROCEDURE 23 3.3.3 DEVIATION FROM TEST STANDARD 23 3.3.4 TEST SETUP 24 3.3.5 EUT OPERATING CONDITIONS 24 3.4 CONDUCTED BAND EDGE EMISSION&CONDUCTED SPURIOUS EMISSIONS MEASUREMENT 29 3.4.1 APPLICABLE STANDARD 29 3.4.2 TEST PROCEDURE 29 3.4.3 DEVIATION FROM STANDARD 29 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260721010R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 34 Table of Contents Page 3.4.4 TEST SETUP 29 3.4.5 EUT OPERATION CONDITIONS 29 3.4.6 TEST RESULTS 29 4 . AVERAGE OUTPUT POWER 30 4.1 APPLIED PROCEDURES / LIMIT 30 4.1.1 TEST PROCEDURE 30 4.1.2 DEVIATION FROM STANDARD 30 4.1.3 TEST SETUP 30 4.1.4 EUT OPERATION CONDITIONS 30 4.1.5 TEST RESULTS 30 5 . POWER SPECTRAL DENSITY TEST 31 5.1 APPLIED PROCEDURES / LIMIT 31 5.1.1 TEST PROCEDURE 31 5.1.2 DEVIATION FROM STANDARD 31 5.1.3 TEST SETUP 31 5.1.4 EUT OPERATION CONDITIONS 31 5.1.5 TEST RESULTS 31 6 . 6DB BANDWIDTH TEST 32 6.1 APPLIED PROCEDURES / LIMIT 32 6.1.1 TEST PROCEDURE 32 6.1.2 DEVIATION FROM STANDARD 32 6.1.3 TEST SETUP 32 6.1.4 EUT OPERATION CONDITIONS 32 6.1.5 TEST RESULTS 32 7 . DUTY CYCLE TEST SIGNAL 33 7.1 APPLIED PROCEDURES / LIMIT 33 7.1.1 TEST PROCEDURE 33 7.1.2 DEVIATION FROM STANDARD 33 7.1.3 TEST SETUP 33 7.1.4 EUT OPERATION CONDITIONS 33 7.1.5 TEST RESULTS 33 8 . ANTENNA REQUIREMENT 34 8.1 STANDARD REQUIREMENT 34 8.2 EUT ANTENNA 34 9 . TEST SETUP PHOTO 34 10 . EUT PHOTO 34 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260721010R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 34 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS 15.205, 15.209, 15.247(d) Radiated Spurious Emission PASS 15.209, 15.205 Band Edge Emission PASS 15.247(d) Conducted Spurious Emissions PASS 15.247(b) Average Output Power PASS 15.247(a)(2) 6dB Bandwidth PASS 15.247(e) Power Spectral Density PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Test lab: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China FCC Test Firm Registration Number: 854456 Designation Number: CN1307 IC Registered No.: 27485 CAB ID.: CN0118 1.1 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±2.56dB 2 RF power,conducted ±0.42dB 3 Spurious emissions,conducted ±2.76dB 4 All emissions,radiated(<1G) ±3.65dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% 8 6dB Bandwidth ±0.2% 9 Power Spectral Density ±2.45dBm Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260721010R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 34 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product Name: 3D Printer Trade Mark: MINGDA Model Number: Raptor 450, Mextru 1300 HT, Mextru 600 HT, MD-400D+, …

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Summary Antenna Specification ITEMANT SPEC Model Name2.4G ANT MAX. Gain 1.08dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Manufacture Shenzhen Yu Sheng Communications Electronics co., LTD Antenna Photo & Length (mm) ÏÚ 2‹ Œøº∑ø ̈∑±≤ Ω∏øÆøΩ ̈ªÆ∑≠ ̈∑Ω≠ ±∫ ø≤ ̈ª≤≤ø PHI 0° PHI90° THETA90 ° Frequency VNA (MHz) Gain (Peak) (dBi) 2400MHz0.0403503 2410MHz0.0886264 2420MHz0.267381 2430MHz0.193012 2440MHz0.26366 2450MHz0.0723139 2460MHz0.36895 2470MHz0.551525 2480MHz0.640702 2490MHz1.05232 2500MHz1.08443

Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 52 ANNEX TEST DATA WIFI2.4G FCC ID: 2BHJW-RAPTOR450 Applicant: Shenzhen MINGDA TECHNOLOGY CO.,LTD Address: No.19,Dahe Industrial Zone,Longhua District,Shenzhen,518110,China Manufacturer: Shenzhen MINGDA TECHNOLOGY CO.,LTD Address: No.19,Dahe Industrial Zone,Longhua District,Shenzhen,518110,China Product Name: 3D Printer Trade Mark: MINGDA Model Number: Raptor 450, Mextru 1300 HT, Mextru 600 HT, MD-400D+, Raptor 800, Raptor 1200, Raptor 450 Pro, Raptor 450 Ultra, MD-400D Ultra, MD-600D Ultra, MD-1000D Ultra, MD-400D Ultra HT, MD-600D Ultra HT, MD-1000D Ultra HT Date of Receipt: Jul. 23, 2026 Test Date: Jul. 23, 2026 - Jul. 31, 2026 Date of Report: Jul. 31, 2026 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China Applicable Standards: FCC PART 15 C 15.247 ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024+Errata to C63.10a-2024 Test Result: Pass Report Number: DLE-260721010R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 52 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) 802.11b SISO 2412 0.937 0.975 96.10 0.17 0.03 2437 0.937 0.975 96.10 0.17 0.10 2462 0.937 0.975 96.10 0.17 0.03 802.11g SISO 2412 0.176 0.221 79.64 0.99 0.15 2437 0.176 0.220 80.00 0.97 0.08 2462 0.176 0.221 79.64 0.99 0.17 802.11n (HT20) SISO 2412 1.301 1.345 96.73 0.14 0.07 2437 1.300 1.344 96.73 0.14 0.04 2462 1.301 1.344 96.80 0.14 0.03 802.11n (HT40) SISO 2422 0.648 0.692 93.64 0.29 0.03 2437 0.648 0.692 93.64 0.29 0.07 2452 0.648 0.692 93.64 0.29 0.03 Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 52 1.2 Test Graph 1.2.1 Ant1 802.11b_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11b_MCH_2437MHz_Ant1 (SISO)_NTNV Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 52 802.11b_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11g_LCH_2412MHz_Ant1 (SISO)_NTNV Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 52 802.11g_MCH_2437MHz_Ant1 (SISO)_NTNV 802.11g_HCH_2462MHz_Ant1 (SISO)_NTNV Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 6 of 52 802.11n(HT20)_LCH_2412MHz_Ant1 (SISO)_NTNV 802.11n(HT20)_MCH_2437MHz_Ant1 (SISO)_NTNV Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 7 of 52 802.11n(HT20)_HCH_2462MHz_Ant1 (SISO)_NTNV 802.11n(HT40)_LCH_2422MHz_Ant1 (SISO)_NTNV Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 8 of 52 802.11n(HT40)_MCH_2437MHz_Ant1…

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