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2.911 (d)(5)(i) Equipment Type Attestation v1.2 Shenzhen Creality 3D Technology Co.,Ltd. Section 2.911(d)(5)(i) Certification – Equipment Type Company name: Shenzhen Creality 3D Technology Co.,Ltd. Address: 18F, JinXiuHongDu Building, Meilong Blvd., Longhua Dist., Shenzhen, China 518131 Product Name: 3D Printer FCC ID: 2AXH6-SERMOOND3PRO Model(s): Sermoon D3 Pro 2.911(d)(5)(i) Equipment Type We, [Shenzhen Creality 3D Technology Co.,Ltd.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not: Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules. Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Lucy Li Date: 2023/06/09 Title and Company name: Safety enginner / Shenzhen Creality 3D Technology Co.,Ltd. NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1)986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shenzhen Creality 3D Technology Co.,Ltd. 2.911 (d)(5)(ii) Applicant Attestation v1.2 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Shenzhen Creality 3D Technology Co.,Ltd. Address: 18F, JinXiuHongDu Building, Meilong Blvd., Longhua Dist., Shenzhen, China 518131 Product Name: 3D Printer FCC ID: 2AXH6-SERMOOND3PRO Model(s): Sermoon D3 Pro 2.911(d)(5)(ii) Applicant filing We, [Shenzhen Creality 3D Technology Co.,Ltd.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: Lucy Li Date: 2023/06/09 Title and Company name: Safety enginner / Shenzhen Creality 3D Technology Co.,Ltd. NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1)986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shenzhen Creality 3D Technology Co.,Ltd. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA ATTENTION: FCC Certification - Section 2.911(d）（ηInformation Desie:nated U.S. Ae:ent Company Name: AOCE Corporation Inc. FRN: 0033401381 Contact Name: Johnson.wang Address: 6547 N Academy Bivd #2266, C olorado Springs, C0,80918 United States Telephone N o: + l-346-582-5234 Email: [email protected] This letter is to confirm that we （AOCE Corporation Inc.) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911 (d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date:2023-06-06 Signed 川in ted Na m川 itl 吵 Jo \\ L.' The Applicant acknowledges that they must maintain an agent for no less than and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Shenzhen Creality 3D Technology Co.,Ltd. FCC ID: 2AXH6-SERMOOND3PRO Contact Name: Lucy Li Address: 18F, JinXiuHongDu Building，肌1eilongBlvd 吁 LonghuaDist., Shenzhen, Telephone No: 13410218975 Email: [email protected] Applicant Signature: Date: 2023-06-06 Signed by (Printed Nameffitle): Lucy Li I Safety enginner

Shenzhen Creality 3D Technology Co.,Ltd. Company: Shenzhen Creality 3D Technology Co.,Ltd. Address: 18F, JinXiuHongDu Building, Meilong Blvd., Longhua Dist., Shenzhen, China 518131 Product Name: 3D Printer Model Number(s): Sermoon D3 Pro We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2023/06/09 Name: Lucy Li Title: Safety enginner Company: Shenzhen Creality 3D Technology Co.,Ltd.

Shenzhen Creality 3D Technology Co.,Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023/06/09 Subject; Request for Confidentiality FCC ID: 2AXH6-SERMOOND3PRO To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Date: 2023/06/09 Name: Lucy Li Title: Safety enginner Company: Shenzhen Creality 3D Technology Co.,Ltd.

EUT EXTERNAL PHOTOGRAPHS EUT View 1 EUT View 2 EUT View 3 EUT View 4 EUT View 5 EUT View 6 EUT View 7 EUT View 8 ----------------The end----------------

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EUT INTERNAL PHOTOGRAPHS EUT Housing and Board View 1 EUT Housing and Board View 2 EUT Housing and Board View 3 EUT Housing and Board View 4 EUT Housing and Board View 5 EUT Housing and Board View 6 EUT Housing and Board View 7 EUT Housing and Board View 8 EUT Housing and Board View 9 EUT Housing and Board View 10 EUT Housing and Board View 11 EUT Housing and Board View 12 EUT Housing and Board View 13 EUT Housing and Board View 14 ----------------The end---------------- BLE ANT WIFI ANT

FCC ID : 2AXH6-SERMOOND3PRO RF EXPOSURE EVALUATION According to FCC 1.1310: 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 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 11.1 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= Numeric gain of the antenna relative to isotropic antenna Pi=3.1416 R= distance between observation point and center of the radiator in cm Pd the limit of MPE, 1mW/cm 2 ,If we know the maximum gain of the nd total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. 11.2 Measurement Result WIFI2.4G Antenna gain: 2.27 dBi Measured power (dBm) Tune-up power (dBm) Max tune-up power (dBm) Antenna Gain Numeric Evaluation result (mW/cm2 ) Power density Limits (mW/cm2 ) 18.51 17 to 19 19 1.69 0.0267 1 BLE Antenna gain: 2.21 dBi CONCLUSION of simultaneous transmitter Both of the module 1 and module 2 can transmit simultaneously, the formula of calculated the MPE is: CPD1/LPD1+CPD2/LPD2+......etc. < 1 CPD = Calculation power density LPD = Limit of power density Therefore the worst-case situation is 0.0267 /1.00+0.0002 /1.00 = 0.0269, which is less than “1”, This confirmed that the device comply with FCC 1.1310 MPE limit. Measured power (dBm) Tune-up power (dBm) Max tune-up power (dBm) Antenna Gain Numeric Evaluation result (mW/cm2 ) Power density Limits (mW/cm2 ) -3.46 -5 to -3 -3 1.66 0.0002 1

No.：BCTC/RF-EMC-005 Page: 1 of 75 Edition：B.0 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2304170524-1E Applicant: Shenzhen Creality 3D Technology Co., Ltd. Product Name: 3D Printer Model/Type reference: Sermoon D3 Pro Tested Date: 2023-04-28 to 2023-07-21 Issued Date: 2023-07-21 Report No.: BCTC2304170524-1E No.：BCTC/RF-EMC-005 Page: 2 of 75 Edition：B.0 FCC ID: 2AXH6-SERMOOND3PRO The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: 3D Printer Trademark: Model/Type reference: Sermoon D3 Pro Prepared For: Shenzhen Creality 3D Technology Co., Ltd. Address: 18F, JinXiuHongDu Building, Meilong Blvd., Longhua Dist., Shenzhen,China 518131 Manufacturer: Shenzhen Creality 3D Technology Co., Ltd. Address: 18F, JinXiuHongDu Building, Meilong Blvd., Longhua Dist., Shenzhen,China 518131 Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-04-28 Sample tested Date: 2023-04-28 to 2023-07-21 Report No.: BCTC2304170524-1E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is WIFI-2.4GHz band radio test report. Tested by: Approved by: Brave Zeng/ Project Handler Zero Zhou/Reviewer Report No.: BCTC2304170524-1E No.：BCTC/RF-EMC-005 Page: 3 of 75 Edition：B.0 Table of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information and Test Setup ...................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 9 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List ........................................................................................................ 10 4.5 Test Mode ........................................................................................................... 10 4.6 Table Of Parameters Of Text Software Setting ................................................... 11 5. Test Facility And Test Instrument Used ............................................................... 12 5.1 Test Facility ......................................................................................................... 12 5.2 Test Instrument Used .......................................................................................... 12 6. Conducted Emissions .......................................................................................... 15 6.1 Block Diagram Of Test Setup .............................................................................. 15 6.2 Limit .................................................................................................................... 15 6.3 Test procedure .................................................................................................... 15 6.4 EUT operating Conditions ................................................................................... 15 6.5 Test Result .......................................................................................................... 16 7. Radiated Emissions ............................................................................................. 18 7.1 Block Diagram Of Test Setup .............................................................................. 18 7.2 Limit .................................................................................................................... 19 7.3 Test procedure .................................................................................................... 20 7.4 EUT Operating Conditions .................................................................................. 21 7.5 Test Result .......................................................................................................... 21 8. Radiated Band Emission Measurement and Restricted Bands Of Operation ...... 28 8.1 Block Diagram Of Test Setup .............................................................................. 28 8.2 Limit .................................................................................................................... 28 8.3 Test procedure .................................................................................................... 29 8.4 EUT Operating Conditions .................................................................................. 29 8.5 Test Result .......................................................................................................... 30 9. Power Spectral Density Test ............................................................................... 32 9.1 Block Diagram Of Test Setup .............................................................................. 32 9.2 Limit .................................................................................................................... 32 9.3 Test procedure .................................................................................................... 32 9.4 EUT Operating Conditions .................................................................................. 32 9.5 Test Result .......................................................................................................... …

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No.：BCTC/RF-EMC-005 Page: 1 of 45 Edition：B.0 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2304170524-2E Applicant: Shenzhen Creality 3D Technology Co., Ltd. Product Name: 3D Printer Model/Type Reference: Sermoon D3 Pro Tested Date: 2023-04-28 to 2023-05-30 Issued Date: 2023-07-21 Report No.: BCTC2304170524-2E No.：BCTC/RF-EMC-005 Page: 2 of 45 Edition：B.0 FCC ID: 2AXH6-SERMOOND3PRO The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: 3D Printer Trademark: Model/Type Ref.: Sermoon D3 Pro Prepared For: Shenzhen Creality 3D Technology Co., Ltd. Address: 18F, JinXiuHongDu Building, Meilong Blvd., Longhua Dist., Shenzhen,China 518131 Manufacturer: Shenzhen Creality 3D Technology Co., Ltd. Address: 18F, JinXiuHongDu Building, Meilong Blvd., Longhua Dist., Shenzhen,China 518131 Prepared By: Shenzhen BCTC Testing Co., Ltd Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-04-28 Sample tested Date: 2023-04-28 to 2023-05-30 Report No.: BCTC2304170524-2E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is Bluetooth BLE radio test report. Tested by: Approved by: Brave Zeng/ Project Handler Zero Zhou/Reviewer Report No.: BCTC2304170524-2E No.：BCTC/RF-EMC-005 Page: 3 of 45 Edition：B.0 Table of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 9 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List ........................................................................................................ 10 4.5 Test Mode ........................................................................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 14 6.1 Block Diagram Of Test Setup .............................................................................. 14 6.2 Limit .................................................................................................................... 14 6.3 Test procedure .................................................................................................... 14 6.4 EUT Operating Conditions .................................................................................. 14 6.5 Test Result ............................................................................................................ 15 7. Radiated Emissions ............................................................................................. 17 7.1 Block Diagram Of Test Setup .............................................................................. 17 7.2 Limit .................................................................................................................... 18 7.3 Test procedure .................................................................................................... 19 7.4 EUT operating Conditions ................................................................................... 20 7.5 Test Result .......................................................................................................... 21 8. Radiated Band Emission Measurement and Restricted Bands Of Operation ...... 25 8.1 Block Diagram Of Test Setup .............................................................................. 25 8.2 Limit .................................................................................................................... 25 8.3 Test Procedure ................................................................................................... 26 8.4 EUT Operating Conditions .................................................................................. 26 8.5 Test Result .......................................................................................................... 27 9. Power Spectral Density Test ............................................................................... 28 9.1 Block Diagram Of Test Setup .............................................................................. 28 9.2 Limit .................................................................................................................... 28 9.3 Test procedure .................................................................................................... 28 9.4 EUT Operating Conditions .................................................................................. 28 9.5 Test Result ....................................................................................................…

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Part acceptance form Supplier: Shenzhen Lejin Radio Frequency Technology Co., LTD Material name: Bluetooth antenna Bom number: 3102070202 Specifications and Models: FPC antenna _L300_2.4G — Lejin antenna Supplier's Material number: LJF02-22030208B-R0A Application date: 2022-06-29 data  OK reliability OK  Department to sign： appearance OK size  OK  assembly  OK function OK  List of Acknowledgement 1. Function introduction and product specifications 2. Certificate of raw material /MSDS 3. Structural drawings 4. FAI full-size measurement report/attached self-evaluation 5. Reliability test report 6. SGS of raw materials shall be confirmed within the validity period of 1 year 7. Environmental Statement 8. Relevant certification certificates Note: The part acceptance letter shall include but not limited to the above information. If there are other requirements, it shall be supplemented, such as CPK report of part acceptance, process roadmap, QC engineering drawing, BOM, inspection specification on parts, product packaging specification, FMEA, etc. In addition, it is necessary to verify the supplier's manufacturing capability, quality control ability, and keep original records for the customer to acknowledge the supplier's parts. Shenzhen Lejin radio frequency technology Co., LTD Lejin radio frequency Proprietary & Confidential © 2017 Lejin radio frequency Corporation. All rights reserved. Add：Rm 301B,A4 Bld,Junfeng Innovation Park,Fuyong, Baoan Dist,Shenzhen. Tel:0755-27780515 Email:[email protected] 3.Product Specification A. Electrical Characteristics Frequency VSWR Efficiency Impedance Polarization Gain(2.4GHz) 2400MHz ~2500 MHz <2.0 ≥ 40% 50Ohm Linear ≤2.21dBi B. Material & Mechanical Characteristics Material of RadiatorFPC(White),LJWF28A Cable TypeΦ1.37mm,L300mm,Black Connector TypeIPX1 Dimension35.0*18.2mm C. Environmental Operation Temperature- 20 ̊C ~ + 70 ̊C Storage Temperature- 30 ̊C ~ + 85 ̊C Humidity40%~95% 4.Test Equipment & Conditions 1.Network AnalyzersAgilent 8753D/5071C 2.HSPA and LTE protocol test setR&S CMW500 -PT 3.Communications Test SetAgilent 8960 4.3D Chamber Test System Chart 1 Test topology ShenzhenLejinradiofrequencytechnologyCo.,LTD LejinradiofrequencyProprietary&Confidential©2017LejinradiofrequencyCorporation.Allrightsreserved. Add：Rm301B,A4Bld,JunfengInnovationPark,Fuyong,BaoanDist,Shenzhen.Tel:0755-27780515Email:[email protected] 5.TestReport 5.1VoltageStandingWaveRatio(VSWR). Chart2passivechart 5.2Efficientan…

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