2BR7C56005680DCDOCK

Version 2.5 Date xxxx Intraoral Digital Sensor LELA 5600 User Manual Dear Users, LELA thanks you for purchasing and using the LELA 5600 System. We will provide our best support to ensure your full satisfaction when you use the system. The LELA 5600 System includes acquisition software designed to optimize the use of the LELA digital sensor. Therefore, we highly recommend the combined use of the LELA 5600 Sensor and LELA 5600 Acquisition Software to achieve the best image quality and the highest processing quality. To ensure your safety and the efficient use of our LELA 5600 Intraoral Digital Sensor, please read this manual carefully prior to using the LELA 5600 System. Best regards LELA NOTICE The user manual for the LELA 5600 system contains comprehensive information about the device, including its installation and operation guidelines by OTLELA Medical Technology Development Co., Ltd LELA reserves the right at any time to revise this manual, and the product described herein and assumes no obligation to notify any person or entity of such revisions. To ensure optimal use of the system and full utilization of all its features in your practice, we strongly recommend reviewing this manual thoroughly. The LELA 5600 system is designed for healthcare professionals and veterinarians to generate images of the dent maxillofacial region in human or animal anatomy. Manual Name: User manual of LELA 5600 Intraoral Digital Sensor System Document code: Revision Number: 01 Issued2025.07 CopyrightTrademark OPTIMA LELA, INC Room 402, No. 1915 North Sichuan Road, Hongkou, Shanghai, 200081, China Please note that the information in this manual is subject to change without prior notice or explanation. No part of this manual may be reproduced, copied, or distributed without the explicit written authorization of. xxxx Manufacturer Optima LELA, Inc 16 N MARENGO AVE UNIT 503 PASADENA, CA 91101-1964, USA Authorized Representative: EU REP XXXX US REP CONTENT User manual of LELA 5600 system 4 5 6 7 8 10 10 16 16 19 19 20 2 1 2 1 24 25 25 26 27 27 28 28 28 29 1. Conventions in this guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. LELA 5600 Intraoral Digital Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1 Handpiece . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Dock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3 Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3. LELA Acquisition Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Minimum Computer System requirements. . . . . . . . . . . . . . . . . . . . . . . . . . 4. Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.1 Acquisition software installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 Dock Activation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3 Handpiece Activation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4 Download Calibration data from Handpiece. . . . . . . . . . . . . . . . . . . . 5. Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.1 Images Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.2 LELA Acquisition Software TWAIN Application. . . . . . . . . . . . . . . . . . . . . . . 5.3 ‘Resend’ Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.4 Sleeping Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7. Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.1 Cleaning and disinfection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2 Operation, Transportation and storage environment. . . . . . . . . . . . . . . . . 7.3 Battery storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.4 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONVENTIONS IN THIS GUIDE 1 The following messages emphasize information or indicate potential risk to personnel or equipment. WARNING: Warns you to avoid injury to yourself or others by following. CAUTION: Alerts you to a condition that might cause serious damage. Important: Alerts you to a condition that might cause problems. Note: Emphasizes important information. Tip: Provides extra information and hints. User manual of LELA 5600 system 4 User manual of LELA 5600 system 5 LELA 5600 INTRAORAL DIGITAL SENSOR 2 LELA 5600 is a wireless intraoral sensor system which is based on Wi-Fi 5 communication standards for stable and high-speed transmission of radiographic images. The LELA 5600 Intraoral Digital Sensor System mainly incudes the CC Handpiece, the CC Dock, and Acquisition Software. 6 LELA 5600 system mainly contains the following: The CC handpiece is designed for intraoral imaging and wireless transmission of images, with its integrated battery powering the digital sensor. The CC Dock serves as the primary interface for image acquisition, data transfer, and battery charging. The acquisition software enables comprehensive patient management, real-time image acquisition, post-processing adjustments, and system configuration. 1 3 5 6 4 7 2 1 2 3 4 5 6 7 Dock Handpiece Dock power adapter USB Cable Battery Holder Acquisition software Figure 1 LELA 5600 Intraoral Digtal Sensor System Overview It provides the following advantages: Easily capturing dental intraoral x-ray images, Direct transmission of the images to docking station via …

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UNITED STATES DESIGNATED AGENT LETTER Date: Octobe「14, 2025 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columb旧 ， MID21046 App/i Company Name: OPTIMA LELA, INC Company Name: OPllMA LELA, INC FRN: 0037493327 FRN: 0037493327 Grantee Code: 2BR7C Contact Name: JIANYING ZHU Contact Name J IANY ING ZHU Address: 16 N MARENGO AVE UNIT Address: 16 N MARENGO AVE UNIT 503 503 City/Province/Zip: PASADENA, CA 91101-1964, City/Province/Zip: PASADENA, CA 91101-1964, USA USA Telephone: 424 445 7008 Telephone: 424 445 7008 Fax: I Fax: I Email· lucia [email protected] Email· lucia [email protected] U.S. desiqnated t Applicable Equipment: FCC ID: 2BR7C56005680DC ATTN: Director of Cert巾cation: We, OPTIMA LELA, INC and OPTIMA LELA, INC understand and acknowledge the applicants consent and the designated agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e-mail of the designated agent listed above. We, OPTIMA LELA, INC and OPTIMA LELA, INC acknowledge the applicant's acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all ma「keting and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or」udicialproceeding involving the equipment, whichever is late仁 Applicant U.S. designated agent Name (Printed) :J IANY ING ZHU 骂芦 � � 三 九 Name (Printed):JIANYING ZHU litle:CEO Signature: 〉众

s SGS North America Inc. FCC COVERED LIST DECLARATION LETTER 620 Old Peachtree Road SUITE 100 Suwanee, Geo「gia 30024 United States Applicant Legal Business Name OPTIMA LELA INC Add「ess 16 N MARENGO AVE UNIT 503 PASADENA, CA 91101 - 1964, USA FRN 0037493327 Grantee Code 2BR7C I FCC ID: I 2BR7C56005680DC Authorized Contact Name JIANYING ZHU Contact Phone 424 445 7008 I Contact Ema仆Ilucia zhu @ optimalela.com OPTIMA LELA, INC ( "the applicant'' ) cerlifies: - the equipment for which author动onis sought is not"covered" equipment prohibited from「eceivingan equipment authorization p ursuant to section 2.903 of the FCC rules. - as of the date of the filing oftheapplication, the applicant is not identifioo on the Covered list, established pursuant to § 1.50002, as an entity P 「oducing"covered" equipment. - the software to be loaded priorto marketing of theequipmentidentified above is not"covered" software manufactured by any entity including predecessors, successors , parents , subs心aries,affiliates or an y entity which has rebranded or relabeled thesoftware produced by the entity 0 es ) identified on the "Covered List" - the device is not capable of storing or running software listed on the covered list and therefore is inherently compliant NOTE: Justificat,on/evidence explaining how compliance ,s met must accompany this letter Link to the Covered List: Covered List Applicant Si g nature Date:2025/10/14 Print Name: JIANYING ZHU Title: CEO ， －－ 'NOT£: This iJecTarat10n cannoTbe s ig ned by an A g ent, ,T shalTbe si g ned by an authorized pe rson hsted m the FCC cla芘base t-'age·101 ·1 尺ev1s1on1.u

SG SGS North America Inc. 620 Old Peach tree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Declaration Applicant Legal Business Name OPTIMA LELA, INC Add 「 ess 16 N MARENGO AVE UNIT 503 PASADENA, CA 91101-1964, USA FRN 0037493327 Grantee Code 2BR7C I FCCIO· j 2BR7C56005680DC Authorized Contact Name 开ANYTNG ZHU Contact Phone 424 445 7008 I Contact Email I lucia_zhu@optima lela com I, \he undersigned, certify thal I am an authorized signatory for \he Applicant and therefore declare ; a) in accordancewith 47CFR2.911(d), all of the statements herein and the exh心ts attached he 「 eto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Author畔on issu忒 by a TCB, under the authority of the FCC. as a result of the representations made in this application, the Applicant is responsible for (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable 「 ules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is notthe actual manufactu-e 「 ofthe equipment, approp r臼tearrangem刮s have been made with the manufacture 「 to en sure that production units of this equipment will continue to comply with the FCC's technical requirements d) in accordance with 47 CFR 2.909 and KDB394321, the Applica nthasread, understood and agrees to accept that they are the responsible pa 「 ty and agree to abide by their responsib巾ties as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understo od, accepts and agrees to abide by the post market surveillance requirements (1) the Applicant understands, accepts and agrees that a sample may be 「 equested for surveillance testing (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED (3) the Applicantsha//, upon request by SGS, at the Applicait's expense, provide a production sample ofthe requested product to SGS, FCCand/o 「 ISEDas instructed. The sample shall include all support devices, cables, software, accessories o 「 other ha 「 dware o 「 software required for evaluation, review, certification and audit surveillance of products certified by SGS f ) neither the Applicant nor any party to the application is sub丿ect to adenia ofFederalbenefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-D屯�Abuse Act of 1988, 21 U.S.C. §862 because of a conviction forpossessionordistribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a "party" for these purposes g) the Applicant has read, understoo d,accep tsand agrees to abide by \he SGSNorthAmerica, Inc. terms and cond由ons as spec爬d intheTCB Application Form 731 (QSF27-14-01). Link to CFRs: htt s://www.fcc ov/wire less/bureau -divisions /techno l o ies-s stems-and-innovalion-div1sion/rules-re ulations-title-47 Link to KDBs: hltps://apps.fcc : qov/oetcf/kd _bli ndex.cfm Link lo RSP-100: htt s.// www.1c. c.ca/e1c/s1\e/sm\- s\.nsf/en /sf01130.h\ml Link to the Covered List: Covered List Applicant Signature 卢 Date:202 5/ l 0/14 P 「 int Name: ITANYTNG ZHU Title· CEO 'NOTE : This declarat,on cannot be s,gned by an Agent, ,t shall be signed by an authorized person listed in the FCC database QSF27-1 牛04Rev1.4沁ril 25,2025 Page 1 of 1 Original Issue: Jan. 4. 2021

OPTIMA LELA, INC Current Date : 2025-11-19 To : SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. No. 588 West Jindu Road, Songjiang District, Shanghai, China. 201612 Dear Sir/Madam, Subject: Declaration Letter about Identity of Products *WE (OPTIMA LELA, INC) HEREBY DECLARED THAT Product Description DOCK Model No. VER 5680 - DC Manufacturer’s Name OPTIMA LELA, INC Manufacturer’s Address 16 N MARENGO AVE UNIT 503 PASADENA, CA 91101-1964, USA *Except that the model number and label deviation, are identical with the original product as follows: Note: 1.VER 5680 - DC is veterinary use device and LELA 5600 - DC is human use device 2.The definition of identical should be “electrically identical”. A device will be considered to be electrically identical if no changes are made to the devices’ schematics, board layouts, component layouts, chip sets, resistors and all other electrical aspects of the device are identical. with the model(s) below which samples we chose to be tested by SGS Model No. (型号): LELA 5600 - DC Manufacturer’s Name (生产商名称): OPTIMA LELA, INC Manufacturer’s Address（生产商商地址): 16 N MARENGO AVE UNIT 503 PASADENA, CA 91101-1964, USA Sincerely, Signature (签字): Printed Name (姓名): JIANYING Zhu Position/Title (职位): CEO Contact Number (联系电话): 4244457008

To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georg旧 United States From: OPTIMA LELA, INC 16 N MARENGO AVE UN I T 503 PASADENA, CA 91101-1964 USA L易LA Regarding Confidentiality Request regarding application for FCC ID: 2BR7C56005680DC LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission's rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. Sincerely, Signature: � JIANYING ZHU (on file with th FCC associated with the Grantee Code) Title CEO 三 OPTIMA LELA, INC

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 1 of 5 External Photos for SHCR2506001401ME SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 2 of 5 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 3 of 5 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 4 of 5 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 5 of 5

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SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 1 of 8 Internal Photos for SHCR2506001401ME SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 2 of 8 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 3 of 8 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 4 of 8 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 5 of 8 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 6 of 8 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 7 of 8 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 8 of 8

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SHEM-TRF-001 Rev. 02 Sep01, 2023 Report No.: SHCR250600140103 Page: 1 of 11 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com/en/Terms-and-Conditions/Terms-e-Document.aspx. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only. Member of the SGS Group (SGS SA) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 588 West Jindu Road, Xinqiao, Songjiang, 201612 Shanghai, China 1 Cover Page RF Exposure Evaluation Report Application No.: SHCR2506001401ME FCC ID: 2BR7C56005680DC Applicant: OPTIMA LELA, INC Address of Applicant: 16 N MARENGO AVE UNIT 503 PASADENA, CA 91101-1964, USA Manufacturer: OTLELA Medical Technology Development Co., Ltd. Address of Manufacturer: Room 402, No. 1915 North Sichuan Road, Hongkou District, Shanghai, 200081, China Factory: Rayco (Shanghai) Medical Products Company Limited Address of Factory: Building 7, No. 1510 Chuanqiao Road, China (Shanghai) Pilot Free Trade Zone, 201206 Shanghai, PEOPLE'S REPUBLIC OF CHINA Equipment Under Test (EUT): EUT Name: DOCK Model No.: LELA 5600 - DC, VER 5680 - DC Trade Mark: LELA, VER Standard(s) : FCC Rules 47 CFR §2.1091 KDB 447498 D04 interim General RF Exposure Guidance v01 Date of Receipt: 2025-06-03 Date of Test: 2025-06-04 to 2025-07-24 Date of Issue: 2025-07-25 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SHEM-TRF-001 Rev. 02 Sep01, 2023 Report No.: SHCR250600140103 Page: 2 of 11 Revision Record Version Description Date Remark 00 Original 2025-07-25 / Authorized for issue by: Tested By Wade Zhang/Project Engineer Approved By Parlam Zhan / Reviewer SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SHEM-TRF-001 Rev. 02 Sep01, 2023 Report No.: SHCR250600140103 Page: 3 of 11 2 Contents Page 1 COVER PAGE ................................................................................................................................................. 1 2 CONTENTS ..................................................................................................................................................... 3 3 GENERAL INFORMATION........................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T. ................................................................................................................. 4 3.2 TECHNICAL SPECIFICATIONS ......................................................................................................................... 4 3.3 SEPARATION DISTANCE ................................................................................................................................. 4 3.4 TEST LOCATION ............................................................................................................................................. 5 3.5 TEST FACILITY .............................................................................................................................................. 5 4 RF EXPOSURE TEST EXEMPTIONS ........................................................................................................ 6 4.1 RF EXPOSURE TEST EXEMPTIONS FOR SINGLE RF SOURCES .......................................................................... 6 4.1.1 Blanket 1 mW Blanket Exemption ................................................................ 6 4.1.2 MPE-based Exemption ..................................................................................... 6 4.1.3 SAR-based Exemption ..................................................................................... 7 4.2 RF EXPOSURE TEST EXEMPTIONS FOR SIMULTANEOUS TRANSMISSION ........................................................ 8 5 MEASUREMENT AND CALCULATION .................................................................................................. 10 5.1 MAXIMUM TRANSMIT POWER ...................................................................................................................... 10 5.2 RF EXPOSURE CALCULATION ...................................................................................................................... 10 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SHEM-TRF-001 Rev. 02 Sep01, 2023 Report No.: SHCR250600140103 Page: 4 of 11 3 General Information 3.1 General Description of E.U.T. Power supply: DC 12V Charging Output: DC4.4V*2 Adapter Model: NGE30I12 Input: AC100-240V, 50/60Hz,1.0-0.6A Output: DC12V 2.5A 3.2 Technical Specifications 13.56MHz Operation Frequency: 13.56MHz Modulation Type: ASK Antenna Type: Loop Antenna 5GHz Operation Frequency/Number of channels (20MHz): U-NII-1: 5180-5240MHz (4 Channels); U-NII-3: 5745-5825MHz (5 Channels) Modulation Type: 802.11a: OFDM (BPSK, QPS…

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苏州徽米通讯科技有限公司 SuzhouHuiMiCommunicationTechnologyCo.,Ltd Add：301,building12,1001YuyangRoad,YushanTown,KunshanCity,JiangsuProvince,China Tel:+86-18626259297Email:[email protected] Antenna_ApprovalSheet_A ProductModelHM0502-5G-WIFI Productphotos ElectricalData Frequency&Gain 5150-5850MHz2.9dBi VSWR 5150-5850MHz ≤ 2.0 Impedance50ohm Polarizationvertical Power(W)50W MechanicalData Antennasize41*12.8mm RFCable1.13mm Cablelength40mm Connector 1代 MaterialFPC 苏州徽米通讯科技有限公司 SuzhouHuiMiCommunicationTechnologyCo.,Ltd Add：301,building12,1001YuyangRoad,YushanTown,KunshanCity,JiangsuProvince,China Tel:+86-18626259297Email:[email protected] 1、TestEnvironment 苏州徽米通讯科技有限公司 SuzhouHuiMiCommunicationTechnologyCo.,Ltd Add：301,building12,1001YuyangRoad,YushanTown,KunshanCity,JiangsuProvince,China Tel:+86-18626259297Email:[email protected] 2、VSWR 苏州徽米通讯科技有限公司 SuzhouHuiMiCommunicationTechnologyCo.,Ltd Add：301,building12,1001YuyangRoad,YushanTown,KunshanCity,JiangsuProvince,China Tel:+86-18626259297Email:[email protected] 3、Efficiency&PeakGain PassiveTestFor5G-1 FreqEffiEffiGain (MHz)(%)(dB)(dBi) 510052.16-2.820.35 515053.24-2.730.26 520058.47-2.331.32 525060.41-2.191.64 530062.73-2.031.63 535062.33-2.051.46 540068.17-1.661.54 545073.89-1.311.97 550084.31-0.742.45 555085.63-0.672.69 560076.64-1.161.99 565073.26-1.351.79 570074.96-1.251.61 575074.61-1.272.05 580071.05-1.482.45 585076.17-1.182.91 苏州徽米通讯科技有限公司 SuzhouHuiMiCommunicationTechnologyCo.,Ltd Add：301,building12,1001YuyangRoad,YushanTown,KunshanCity,JiangsuProvince,China Tel:+86-18626259297Email:[email protected] 4、RadiationPattern Frequency 5150-5850MHz HPlane E1Plane E2Plane 苏州徽米通讯科技有限公司 SuzhouHuiMiCommunicationTechnologyCo.,Ltd Add：301,building12,1001YuyangRoad,YushanTown,KunshanCity,JiangsuProvince,China Tel:+86-18626259297Email:[email protected] 5、MechanicalDrawings

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SHEM-TRF-001 Rev. 02 Sep01, 2023 Report No.: SHCR250600140102 Page: 1 of 82 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com/en/Terms-and-Conditions/Terms-e-Document.aspx. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 30 days only. Member of the SGS Group (SGS SA) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 588 West Jindu Road, Xinqiao, Songjiang, 201612 Shanghai, China TEST REPORT Application No.: SHCR2506001401ME FCC ID: 2BR7C56005680DC Applicant: OPTIMA LELA, INC Address of Applicant: 16 N MARENGO AVE UNIT 503 PASADENA, CA 91101-1964, USA Manufacturer: OTLELA Medical Technology Development Co., Ltd. Address of Manufacturer: Room 402, No. 1915 North Sichuan Road, Hongkou District, Shanghai, 200081, China Factory: Rayco (Shanghai) Medical Products Company Limited Address of Factory: Building 7, No. 1510 Chuanqiao Road, China (Shanghai) Pilot Free Trade Zone, 201206 Shanghai, PEOPLE'S REPUBLIC OF CHINA Equipment Under Test (EUT): EUT Name: DOCK Model No.: LELA 5600 – DC, VER 5680 - DC Remark: Please refer to section 2 of this report which indicates which model was actually tested and which were electrically identical. Trade Mark: LELA, VER Standard(s) : 47 CFR Part 15, Subpart E 15.407 Date of Receipt: 2025-06-03 Date of Test: 2025-06-04 to 2025-07-24 Date of Issue: 2025-07-25 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SHEM-TRF-001 Rev. 02 Sep01, 2023 Report No.: SHCR250600140102 Page: 2 of 82 Revision Record Version Description Date Remark 00 Original 2025-07-25 / Authorized for issue by: Tested By Wade Zhang/Project Engineer Approved By Parlam Zhan / Reviewer SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SHEM-TRF-001 Rev. 02 Sep01, 2023 Report No.: SHCR250600140102 Page: 3 of 82 2 Test Summary Radio Spectrum Matter Part Item Standard Method Requirement Result Duty Cycle 47 CFR Part 15, Subpart E 15.407 ANSI C63.10 (2020) Section 12.2 ANSI C63.10 (2020) Section 12.2 Pass 99% Bandwidth ANSI C63.10 (2020) Section 12.4.2 ANSI C63.10 (2020) Section 12.4.2 Pass 26dB Emission bandwidth ANSI C63.10 (2020) Section 12.4.1 47 CFR Part 15, Subpart E 15.407 (a) Pass Minimum 6 dB bandwidth (5.725- 5.85 GHz band ) ANSI C63.10 (2020) Section 6.9.2 47 CFR Part 15, Subpart E 15.407 (e) Pass Maximum Conducted output power ANSI C63.10 (2020) Section 12.3 47 CFR Part 15, Subpart E 15.407 (a) Pass Peak Power spectrum density ANSI C63.10 (2020) Section 12.5 47 CFR Part 15, Subpart E 15.407 (a) Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2020) Section 6.10.5 47 CFR Part 15, Subpart C 15.209 & Subpart E 15.407(b) Pass Radiated Emissions (Below 1GHz) ANSI C63.10 (2020) Section 6.4,6.5 47 CFR Part 15, Subpart C 15.209 & Subpart E 15.407(b) Pass Radiated Emissions (Above 1GHz) ANSI C63.10 (2020) Section 6.6 47 CFR Part 15, Subpart C 15.209 & Subpart E 15.407(b) Pass Frequency Stability ANSI C63.10 (2020) Section 6.8 47 CFR Part 15, Subpart E 15.407 (g) Pass Conducted Emissions at AC Power Line (150kHz-30MHz) ANSI C63.10 (2020) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass Note: There are series models mentioned in this report, and they are the same in electrical and electronic characters. Only the model LELA 5600 - DC was tested since their differences were the model number and label. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SHEM-TRF-001 Rev. 02 Sep01, 2023 Report No.: SHCR250600140102 Page: 4 of 82 3 Contents Page 1 COVER PAGE ............................................................................................................................................ 1 2 Test Summary ........................................................................................................................................... 3 3 Contents .................................................................................................................................................... 4 4 General Information .................................................................................................................................. 6 4.1 Details of E.U.T. ................................................................................................................................. 6 4.2 Power level setting using in test: ........................................................................................................ 6 4.3 Description of Support Units .............................................................................................................. 6 4.4 Measurement Uncertainty .................................................................................................................. 6 4.5 Test Location ..................................…

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SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 1 of 4 Appendix Photographs of Test Setup for SHCR2506001401ME Test Model No.: LELA 5600 - DC SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 2 of 4 Test …

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