2A6ZN-EDGEE2Desktop Photocurable 3D Printer

(Suzhou Laisai Intelligence Technology Co.,Ltd) (April 3, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2A6ZN-EDGEE2) [Suzhou Laisai Intelligence Technology Co.,Ltd] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) Jianxin Lu (Suzhou Laisai Intelligence Technology Co.,Ltd) (April 3, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2A6ZN-EDGEE2) [Suzhou Laisai Intelligence Technology Co.,Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Jianxin Lu

Attestation Statements (April 3, 2024) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2A6ZN-EDGEE2) (Suzhou Laisai Intelligence Technology Co.,Ltd), the undersigned, hereby authorize (RAYSHAPE LLC) to act as our designated U.S. agent for service of process, (Suzhou Laisai Intelligence Technology Co.,Ltd) accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. (RAYSHAPE LLC) accepts the responsibility to act as designated U.S. agent for service of process, provides an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Information： Company name: Suzhou Laisai Intelligence Technology Co.,Ltd Contact Name: Jianxin Lu Address: No.59 Jiangnan Avenue, Changshu City, Jiangsu Province, China Telephone No: 13538214502 Email: [email protected] FRN: 0032435489 Signature [Jianxin Lu] U.S. Agent Information: Company name: RAYSHAPE LLC Contact Name: Jason Li Address: 6728 Liggett Rd, Suite 130, Dublin, OH 43016 United States Telephone No: (614) 738-9918 Email: [email protected] FRN: 0034808469 Signature [Jason Li]

Suzhou Laisai Intelligence Technology Co.,Ltd Model Difference Data：April 3, 2024 Product description: Desktop Photocurable 3D Printer Model name: Edge E2, Edge S2, Edge F2, Edge P2, Edge G2, Edge H2, cara Print Cube Trade Name: RAYSHAPE FCC ID: 2A6ZN-EDGEE2 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Jianxin Lu（Certification Engineer） Contact information / address：No.59 Jiangnan Avenue, Changshu City, Jiangsu Province, China

Suzhou Laisai Intelligence Technology Co.,Ltd (April 3, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Desktop Photocurable 3D Printer / Edge E2, Edge S2, Edge F2, Edge P2, Edge G2, Edge H2, cara Print Cube / FCC ID: 2A6ZN-EDGEE2) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☒ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Jianxin Lu Title: Certification Engineer

Suzhou Laisai Intelligence Technology Co.,Ltd (April 3, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Jianxin Lu Title: Certification Engineer

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 4 Model: Edge E2 External Photos ANT Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 4 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 4

FCC ID LABEL: Label Location:

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2A6ZN-EDGEE2 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 2.4G WIFI 802.11b&2 437 15±1 16 39.8107 2.1038 (3.23dBi) 0.0167 1 Pass 5GWIFI 802.11n(H T20)& 5825 15±1 16 39.8107 2.6485 (4.23dBi) 0.021 1 Pass

Testing Report Gain and Efficiency Freq./MHz Peak Gain/dBi Efficiency/% Freq./MHz Peak Gain/dBi Efficiency/% 2400 3.10 61.2 5725 4.23 65.4 2410 3.20 61.5 5735 4.19 64.8 2420 3.2362.0 5745 4.13 64.4 2430 2.90 60.3 5755 4.09 64.2 2440 2.88 60.0 5765 3.89 63.5 2450 2.77 59.5 5775 3.79 62.3 2460 2.72 59.1 5785 3.66 61.7 2470 2.67 58.5 5795 3.34 60.9 2480 2.64 58.2 5805 3.32 60.3 2490 2.61 57.9 5815 3.12 59.8 2500 2.57 57.6 5825 3.11 59.5 5835 3.04 59.2 5845 2.99 58.5 T ypical free space radiation pattern 2.4G pattern: (1) X-Z Plane: V Phi=0 (2) Y-Z Plane: V Phi=90 (3) X-Y Plane: H Theta=90 5G pattern: (1) X-Z Plane: V Phi=0 (2) Y-Z Plane: V Phi=90 (3) X-Y Plane: H Theta=90 Ante nna Type value Antenna Types 2.4G/5.8G Frequency range 2400-2500/4900-5900MHZ Antenna Gain 3.23dBI / 4.23dBI Impedance 50Ω Standing wave ratio S.W.R≤1.5 Polarization mode Linear polarization connector SMA Antenna size 95*13mm Manufacturer Information Shenzhen Poly Force into electronics Antenna picture

TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. 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 CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Desktop Photocurable 3D Printer FCC ID: 2A6ZN-EDGEE2 Trademark: RAYSHAPE Model Number: Edge E2, Edge S2, Edge F2, Edge P2, Edge G2, Edge H2, cara Print Cube Prepared For: Suzhou Laisai Intelligence Technology Co.,Ltd Address: No.59 Jiangnan Avenue, Changshu City, Jiangsu Province, China Manufacturer: Suzhou Laisai Intelligence Technology Co.,Ltd Address: No.59 Jiangnan Avenue, Changshu City, Jiangsu Province, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Mar. 13, 2024 Sample tested Date: Mar. 13, 2024 to Mar. 22, 2024 Issue Date: Mar. 22, 2024 Report No.: CTB240319016RFX Test Standards 47 CFR Part 15 Subpart E KDB 789033 V02r01 Test Results PASS Remark: This is WIFI-5GHz band radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240319016RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 47 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ............................................................ 4 2. TEST SUMMARY ..................................................... 5 3. MEASUREMENT UNCERTAINTY ....................................... 6 4. PRODUCT INFORMATION AND TEST SETUP ........................... 7 4.1 Product Information ..................................................... 7 4.2 Test Setup Configuration ................................................ 8 4.3 Support Equipment ..................................................... 8 4.5 Test Mode ............................................................. 9 4.6 Test Environment ....................................................... 9 5. TEST FACILITY AND TEST INSTRUMENT USED ........................ 10 5.1 Test Facility ........................................................... 10 5.2 Test Instrument Used .................................................. 10 6. AC POWER LINE CONDUCTED EMISSION ............................. 12 6.1 Block Diagram Of Test Setup ........................................... 12 6.2 Limit ................................................................. 12 6.3 Test procedure ........................................................ 12 6.4 Test Result ........................................................... 14 7. RADIATED SPURIOUS EMISSIONS ................................... 16 7.1 Block Diagram Of Test Setup ........................................... 16 7.2 Limit ................................................................. 16 7.3 Test procedure ........................................................ 17 7.4 Test Result ........................................................... 18 8. BAND EDGE ........................................................ 22 8.1 Block Diagram Of Test Setup ........................................... 22 8.2 Limit ................................................................. 22 8.3 Test procedure ........................................................ 22 8.4 Test Result ........................................................... 23 9. CONDUCTED PEAK OUTPUT POWER ................................. 25 9.1 Block Diagram Of Test Setup ........................................... 25 9.2 Limit ................................................................. 25 9.3 Test procedure ........................................................ 26 9.4 Test Result ........................................................... 27 10. EMISSION BANDWIDTH& OCCUPIED BANDWIDTH ..................... 31 10.1 Block Diagram Of Test Setup .......................................... 31 10.2 Limits ............................................................... 31 10.3 Test Procedure ....................................................... 31 10.4 Test Results ......................................................... 33 11. POWER SPECTRAL DENSITY ........................................ 37 11.1 Block Diagram Of Test Setup .......................................... 37 11.2 Limit ................................................................ 37 11.3 Test procedure ....................................................... 37 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240319016RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 47 11.4 Test Result .......................................................... 39 12. FREQUENCY STABILITY ............................................. 43 12.1 Block Diagram Of Test Setup .......................................... 43 12.2 Limit ................................................................ 43 12.3 Test procedure ....................................................... 43 12.4 Test Result .......................................................... 43 13. OPERATION IN THE ABSENCE OF INFORMATION TO THE TRANSMIT ... 44 13.1 Requirement ......................................................... 44 13.2 Test Results ......................................................... 44 14. ANTENNA REQUIREMENT ........................................... 45 15. EUT TEST SETUP PHOTOGRAPHS ................................... 46 (NOTE: N/A MEANS NOT APPLICABLE) Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB2403190…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: Edge E2 Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions