2BM4Z-DYA8PRODouble screen touch head projector

Shenzhen Dongying Optoelectronics Co., Ltd. Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: Feb. 4, 26 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2BM4Z-DYA8PRO Shenzhen Dongying Optoelectronics 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, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Applicant Signature Printed Name: Shenzhen Dongying Optoelectronics Co., Ltd. Title: manager Address: 3rd Floor, Building 2, No. 42, Di Tang Road, Shajing Street, Shasan Community, Baoan District, Shenzhen, Guangdong Province China Tel.: 15817280345 Email: [email protected]

Shenzhen Dongying Optoelectronics Co., Ltd. 1 | P a g e Attestation Statements To: Federal Communications Commission Date: Feb. 4, 26 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Attestation of Compliance with FCC Covered List Software Requirements FCC ID: [2BM4Z-DYA8PRO] Product Name: [Double screen touch head projector] This letter serves as an attestation that the equipment identified above ☐ is / ☒ is not (select one) "covered" software as defined under the Federal Communications Commission (FCC) Covered List requirements, as outlined in FCC 22-84 and KDB 986446. Specifically, the undersigned certifies that the equipment for which authorization is sought: 1. Does not contain cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors, assignees, parents, subsidiaries, affiliates, or any entity that has rebranded or relabeled software produced by the aforementioned entities. 2. Does not have the capability to store, run, or deliver any software identified on the FCC Covered List, including but not limited to cybersecurity and anti-virus software. To support this attestation, the appendix evaluation documentation has been prepared and is included in the certification filing. This attestation is based on a thorough evaluation of the device's design, functionality, and software environment. The undersigned affirms that the information provided is accurate and complete to the best of their knowledge. Sincerely yours, Applicant Signature Printed Name: Yongfeng Hu Title: manager Address: 3rd Floor, Building 2, No. 42, Di Tang Road, Shajing Street, Shasan Community, Baoan District, Shenzhen, Guangdong Province China Tel.: 15817280345 Email: [email protected] Shenzhen Dongying Optoelectronics Co., Ltd. 2 | P a g e Evaluation regarding to the Covered List Software: Compliance Methodology Evaluation Process Results Device is Inherent compliance ☐ The Chipset(s) used is limited to run the Cybersecurity or anti-virus software. Compliance ☐ The Memory used is limited to run the Cybersecurity or anti-virus software. Compliance ☐ There is storage capacity limitation for store or install the Cybersecurity or anti-virus software. Compliance ☐ Operating system used is limited to run, install or deliver the Cybersecurity or anti-virus software. Compliance Device is not Inherent compliance ☒ Evaluation Based on Software Bill of Materials (SBoM) See attached “SBoM“ Note:The SBoM content is limited to the scope of covered list software (e.g. antivirus and cybersecurity software). ☐ Evaluation Based on Scan for Software on the device ☐ Evaluation Based on Filesystem scan ☐ Evaluation Based on Running software check SBOM (Software Bill of Materials) Section Component Name Version Supplier 1 Android 14 Google 2 3

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company name: HOPEK CORPORATION INC FRN: 0034562900 Contact Name: Yangyang Xu Address: 16755 Coyote Bush Dr Unit 84, San Diego, CA 92127 United States Telephone No: 561-875-9826 Email: [email protected] Applicant: Company name: Shenzhen Dongying Optoelectronics Co., Ltd. Grantee Code: 2BM4Z FCC ID: 2BM4Z-DYA8PRO FRN: 0036444958 Contact Name: Yongfeng Hu Address: 3rd Floor, Building 2, No. 42, Di Tang Road, Shajing Street, Shasan Community, Baoan District, Shenzhen, Guangdong Province China Telephone No: 15817280345 Fax No: / Email: [email protected] Shenzhen Dongying Optoelectronics Co., Ltd. certifies that, as of the date of this filing of the application with the TCB, [HOPEK CORPORATION INC] is our designated US agent for service of process for the above referenced FCC ID. Shenzhen Dongying Optoelectronics 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 equipment. [HOPEK CORPORATION INC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2026-02-04 Applicant’s Name: Yongfeng Hu US Agent’s Name: Peter Davis Title: manager Title: manager Signature: Signature:

Shenzhen Dongying Optoelectronics Co., Ltd. Family models declaration letter. Date: February 4, 2026 We Shenzhen Dongying Optoelectronics Co., Ltd. Of 3rd Floor, Building 2, No. 42, Di Tang Road, Shajing Street, Shasan Community, Baoan District, Shenzhen, Guangdong Province China Product: Double screen touch head projector Model Name: DY-A8 Pro Serial Model: DY-S1,DY-S1 Pro,DY-S2,DY-S2 Pro,DY-S3, DY-S3 Pro,DY-S4,DY-S4 Pro,DY-S5,DY-S5 Pro,DY-S6 ,DY-S6 Pro ,DY-S7,DY-S7 Pro,DY-S8,DY-S8 Pro,DY-S9, DY-S9 Pro,DY-S10,DY-S10 Pro,DY-S11,DY-S11 Pro ,DY-S12, DY-S12 Pro,DY-S13, DY-S13 Pro,DY-S14,DY-S14 Pro, DY-S15,DY-S15 Pro,DY-S16,DY-S16 Pro,DY-S17, DY-S17 Pro,DY-S18,DY-S18 Pro,DY-S19, DY-19 Pro, DY-P1, DY-P1 Pro,DY-P2,DY-P2 Pro,DY-P3,DY-P3 Pro,DY-P4, DY-P4 Pro,DY-P5,DY-P5 Pro,DY-P6,DY-P6 Pro,DY-P7, DY-P7 Pro,DY-P8, DY-P8 Pro,DY-P9,DY-P9 Pro,DY-P10, DY-P10 Pro,DY-P11,DY-P11 Pro,DY-P12,DY-P12 Pro, DY-P13, DY-P13 Pro,DY-P14,DY-P14 Pro, DY-P15,DY-P15 Pro,DY-P16, DY-P16 Pro,DY-P17,DY-P17 Pro,DY-P18,DY-P18 Pro,DY-P19, DY-P19 Pro FCC ID: 2BM4Z-DYA8PRO Difference description of series models: All models have the same circuit and RF module, except for the model name and color Thanks Sincerely Signature Name: Yongfeng Hu Date: Jan.30, 2026 Title: manager

Shenzhen Dongying Optoelectronics Co., Ltd. Jan 30, 2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request for: FCC ID: 2BM4Z-DYA8PRO Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request permanent confidential treatment of the exhibits accompanying this certification application as outlined below :  Block Diagram  Schematics  Operational Description  Software Security Requirements for UNII devices The above exhibits contain trade secrets and/or proprietary information that are not publicly available and materials that the Applicant has spent considerable efforts in developing. Public disclosure of these may be harmful to the Applicant and give an unfair advantage to competitors on the market. Pursuant to DA 04-1705, the applicant also requests temporary confidential treatment of the exhibits outlined below for a period of (up to 180) days from the date of equipment authorization and prior to marketing in the United States to prevent the premature release of any sensitive information. Applicant is aware of their responsibility to notify DERYCOM in the event information regarding the product or the product is made available to the public before the requested period has expired.  User Manual  Internal Photos  External Photos  Test Setup Photos Sincerely, Title: manager Address: 3rd Floor, Building 2, No. 42, Di Tang Road, Shajing Street, Shasan Community, Baoan District, Shenzhen, Guangdong Province China Tel.: 15817280345 Email: [email protected]

Shenzhen Dongying Optoelectronics Co., Ltd. Jan 30, 2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: 2BM4Z-DYA8PRO I, the undersigned, hereby authorize Shenzhen PSI Testing Co., Ltd. to act on our behalf in all matters relating to this application for equipment certification. Any act carried out by Shenzhen PSI Testing Co., Ltd. shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with Shenzhen Dongying Optoelectronics Co., Ltd. We certify that we are not subject to a denial of federal benefits that includes FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862, and that no party to the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, Title：manager Tel: 15817280345 Fax: / Email: [email protected]

Shenzhen Dongying Optoelectronics Co., Ltd. FCC Software Configuration Control Declaration Rev1.0.docx FCC Software Configuration Control Declaration Date: February 4, 2026 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Attn: OET Dept. Product/ Model Number: Double screen touch head projector DY-A8 Pro, DY-S1,DY-S1 Pro,DY-S2,DY-S2 Pro,DY-S3,DY-S3 Pro,DY-S4,DY-S4 Pro,DY-S5,DY-S5 Pro,DY-S6,DY-S6 Pro ,DY-S7,DY-S7 Pro,DY-S8,DY-S8 Pro,DY- S9,DY-S9 Pro,DY-S10,DY-S10 Pro,DY-S11,DY-S11 Pro ,DY-S12,DY-S12 Pro,DY- S13, DY-S13 Pro,DY-S14,DY-S14 Pro,DY-S15,DY-S15 Pro,DY-S16,DY-S16 Pro,DY- S17,DY-S17 Pro,DY-S18,DY-S18 Pro,DY-S19, DY-19 Pro, DY-P1,DY-P1 Pro,DY- P2,DY-P2 Pro,DY-P3,DY-P3 Pro,DY-P4,DY-P4 Pro,DY-P5,DY-P5 Pro,DY-P6,DY-P6 Pro,DY-P7,DY-P7 Pro,DY-P8, DY-P8 Pro,DY-P9,DY-P9 Pro,DY-P10,DY-P10 Pro,DY- P11,DY-P11 Pro,DY-P12,DY-P12 Pro, DY-P13,DY-P13 Pro,DY-P14,DY-P14 Pro, DY- P15,DY-P15 Pro,DY-P16,DY-P16 Pro,DY-P17,DY-P17 Pro,DY-P18,DY-P18 Pro,DY- P19,DY-P19 Pro Regarding FCC Country Code Selection guidelines identified in KDB 594280. “All applications for equipment authorization for transmitters that can have radio parameters, or other technical parameters, reported to the Commission set by software must have an attestation indicating that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified.” We declare that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. (Signature of applicant) Name: Yongfeng Hu Date: Feb. 4, 26 Title: manager Tel: 15817280345 Fax: / Email: [email protected]

50mm*20mm

Page 1 of 2 Report No.: psi2602017-C01-R01 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix IV MPE FCC ID: 2BM4Z-DYA8PRO Prediction of MPE at a given distance 1. Limits 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) KDB Test Methodology: KDB 447498 D01 v06. 2. Test Procedure Equation from page 18 of OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to the antenna G = numeric gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the centre of radiation of the antenna Page 2 of 2 Report No.: psi2602017-C01-R01 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China 3. Result Mode Frequency (MHz) Prediction distance (cm) RF output power(Max) (dBm) Tune-up power (Max) MPE (mW/cm 2 ) Limit (mW/cm 2 ) SAR Test Exclusion dBm mW BT LE 2402-2480 20 1.02 2 1.26 0.0006 1 Yes 2.4G WIFI 2412-2462 20 14.86 16 39.81 0.0148 1 Yes 5G WIFI 5180-5240 20 14.68 16 39.81 0.0157 1 Yes 5.8G WIFI 5745-5825 20 14.83 16 39.81 0.0157 1 Yes Maximum Simultaneous transmission MPE Ratios for BT+WIFI Max MPE Ratio BT /Limit Max MPE Ratio 2.4G WIFI /Limit Max MPE ratio 5G WIFI /Limit Max MPE ratio 5.8G WIFI /Limit ∑MPE ratios Limit Result 0.0006 0.0148 0.0157 0.0157 0.0163 1 PASS BT Antenna: max gain 2.73dBi, 1.87(numeric) 2.4G WiFi Antenna: max gain 2.73dBi, 1.87(numeric) 5G WiFi Antenna: max gain 2.97dBi, 1.98(numeric) Therefore this device complies with FCC's RF radiation exposure limits for general population without SAR evaluation.

ShenzhenQianmuCommunicationTechnologyCo.,Ltd. Fax：0755-21633541 Contact::Wang Zhiqiang Contact Information：13760153961 telephone：0755-21633653 No. 425, 443, 4th Floor, Building A, Huafeng Zhigu Hangcheng High tech Industrial Park, Hangcheng Street, Bao'an District, Shenzhen, China Antenna Sample Approval Certificate Models BBT076-S7C-I customer Shenzhen Xinzhilian Software Co., Ltd WIFI ANT FPC（1.13*140mm） ANT-FPC-BBT076-S7C-I 1.06.000242 - 1 - 1、Matching circuit WIFI antenna 2、WIFI antenna efficiency： -2- -3- - 4 - 3、ANT

Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Page 1 of 83 Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China FCC TEST REPORT FCC ID: 2BM4Z-DYA8PRO On Behalf of Shenzhen Dongying Optoelectronics Co., Ltd. Double screen touch head projector Model No.: DY-A8 Pro Prepared for : Shenzhen Dongying Optoelectronics Co., Ltd. Address : 3rd Floor, Building 2, No. 42, Di Tang Road, Shajing Street, Shasan Community, Baoan District, Shenzhen, Guangdong Province China Prepared By : Shenzhen PSI Testing Co., Ltd. Address : 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Report Number : psi2602017-C01-R03 Date of Receipt : Dec.18, 2025 Date of Test : Dec.19, 2025-Jan.16, 2026 Date of Report : Jan.17, 2026 Version Number : V0 Page 2 of 83 Report No.: psi2602017-C01-R03 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China TABLE OF CONTENTS Description Page 1 TEST SUMMARY ..................................................................................................................................... 5 1.1 MEASUREMENT UNCERTAINTY............................................................................................................. 5 2 GENERAL INFORMATION ...................................................................................................................... 6 2.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 6 2.2 TEST MODE ........................................................................................................................................ 7 2.3 TEST FACILITY .................................................................................................................................... 7 2.4 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7 2.5 DEVIATION FROM STANDARDS ............................................................................................................. 9 2.6 ABNORMALITIES FROM STANDARD CONDITIONS.................................................................................... 9 2.7 OTHER INFORMATION REQUESTED BY THE CUSTOMER ......................................................................... 9 2.8 ADDITIONAL INSTRUCTIONS ................................................................................................................. 9 2.9 TEST CONDITIONS .............................................................................................................................. 9 3 TEST INSTRUMENTS LIST ................................................................................................................... 10 4 TEST RESULTS AND MEASUREMENT DATA .................................................................................... 11 4.1 ANTENNA REQUIREMENT: .................................................................................................................. 11 4.2 CONDUCTED EMISSIONS ................................................................................................................... 12 4.3 EMISSION BANDWIDTH AND 99% OCCUPIED BANDWIDTH .................................................................... 15 4.4 MAXIMUM CONDUCTED OUTPUT POWER ............................................................................................ 31 4.5 POWER SPECTRAL DENSITY .............................................................................................................. 34 4.6 BAND EDGE ...................................................................................................................................... 51 4.7 RADIATED EMISSION ......................................................................................................................... 66 4.8 FREQUENCY STABILITY ...................................................................................................................... 74 5 PHOTOS OF TEST SETUP .................................................................................................................... 83 6 PHOTOS OF EUT ................................................................................................................................... 83 Page 3 of 83 Report No.: psi2602017-C01-R03 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China TEST REPORT DECLARATION Applicant : Shenzhen Dongying Optoelectronics Co., Ltd. Address : 3rd Floor, Building 2, No. 42, Di Tang Road, Shajing Street, Shasan Community, Baoan District, Shenzhen, Guangdong Province China Manufacturer : Shenzhen Dongying Optoelectronics Co., Ltd. Address : 3rd Floor, Building 2, No. 42, Di Tang Road, Shajing Street, Shasan Community, Baoan District, Shenzhen, Guangdong Province China EUT Description : Double screen touch head projector (A) Model No. : DY-A8 Pro (B) Trademark : Measurement Standard Used: FCC Rules and Regulations Part 15 Subpart E ANSI C63.10-2020 Test Result: PASS The device described above is tested by Shenzhen PSI Testing Co., Ltd. to determine the maximum emission levels emanating from the device. The maximum emission levels are compared to the FCC Part 15 Subpart E limits both conducted and radiated emissions. The test results are contained in this test report and Shenzhen PSI Testing Co., Ltd. is assumed of full responsibility for the accuracy and completeness of these tests. Afte…

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