2BR7C56005680HPHandpiece

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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SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 1 of 3 Internal Photos for SHCR2506001397ME SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 2 of 3 EUT Constructional Details (EUT Photos) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 3 of 3

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 1 of 3 Appendix Photographs of Test Setup for SHCR2506001397ME Test Model No.: LELA 5600 - HP SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 2 of 3 Test Setup Photo RF Conducted Radiated Emissions (Below 1GHz) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Page: 3 of 3 Radiated Emissions (Above 1GHz) The EUT Details of Zoom

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SHEM-TRF-001 Rev. 02 Sep01, 2023 Report No.: SHCR250600139701 Page: 1 of 73 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.: SHCR2506001397ME FCC ID: 2BR7C56005680HP 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: Handpiece Model No.: LELA 5600 - HP, VER 5680 - HP 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.: SHCR250600139701 Page: 2 of 73 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.: SHCR250600139701 Page: 3 of 73 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Transmission in the Absence of Data 47 CFR Part 15, Subpart E 15.407 N/A 47 CFR Part 15, Subpart E 15.407 (c) Pass Antenna Requirement N/A 47 CFR Part 15, Subpart C 15.203 Pass 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 Note: There are series models mentioned in this report, and they are the same in electrical and electronic characters. Only the model LELA 5600 - HP 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.: SHCR250600139701 Page: 4 of 73 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 ...............................…

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ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 786695101 Phone: 512-371-6159 | Fax: 512-351-8858 REVISED: For terms and conditions of sales, please visit: www.abracon.com 2.4/5GHz OnBoard WLAN SMD - Antenna PRO-OB-536 14.20 x 6.60 x 2.50 mm RoHS/RoHS II Compliant MSL Level = 1 Request Samples Check Inventory Features •Compact •Profile of 2.5 mm •Mixed Linear Polarization •Peak Gain of 2.7 dBi •Efficiency > 44% •Surface Mount •Durable-Shelf life of up to 10 years Applications •2.4/5 GHz oWi-Fi/BT/BLE/ZigBee/ISM •IoT, M2M •Telemetry •Wireless Remote Control •Personal Area Networks (PAN) •Industrial/Commercial Equipment Product Image ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 78669 5101 Phone: 512-371-6159 | Fax: 512-351-8858 REVISED: For terms and conditions of sales, please visit: www.abracon.com 2.4/5GHz OnBoard WLAN SMD - Antenna PRO-OB-536 14.20 x 6.60 x 2.50 mm RoHS/RoHS II Compliant MSL Level = 1 Request Samples Check Inventory Electrical Specification Note: All measurements were conducted on the evaluation board in free space. Performance will vary depending on the ground plane, application, and environment. Mechanical Specification Environmental Specification Note: •The product has been tested according to the standard IEC 60721-3-5 – Class 5M3 (road vehicles in areas without well-developed road systems, light-weighted vehicles, tracked vehicles and self-propelled machines). Parameter Specification Unit Operating Frequency 2400 - 2500 5150 - 5850 MHz Center Frequency 2450 5500 Return Loss ˂ -6.2 ˂ -3.2 dB Polarization Mixed Linear - Peak Gain 1.7 2.7 dBi Efficiency > 51 > 44 % Impedance 50 Ω Parameter Specification Antenna Dimension 14.20 x 6.60 x 2.50 mm Evaluation board Dimension 47 x 17 mm Mounting Type Surface Mount Parameter Specification Operating Temperature -40°C to +125°C Storage Temperature Maximum Temperature 400°C RoHS Compliance Yes Compliant with EU directive 2011/65/EU and 2015/863 Shelf life 10 years MSL Level 1, unlimited Mechanical resistance Immunity to vibrations IEC/EN 60068-2-6, Fc test Immunity to shock IEC/EN 60068-2-27, Ea test ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 78669 5101 Phone: 512-371-6159 | Fax: 512-351-8858 REVISED: For terms and conditions of sales, please visit: www.abracon.com 2.4/5GHz OnBoard WLAN SMD - Antenna PRO-OB-536 14.20 x 6.60 x 2.50 mm RoHS/RoHS II Compliant MSL Level = 1 Request Samples Check Inventory Product Dimensions Unit : mm Antenna pins and keep-out block Unit : mm ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 78669 5101 Phone: 512-371-6159 | Fax: 512-351-8858 REVISED: For terms and conditions of sales, please visit: www.abracon.com 2.4/5GHz OnBoard WLAN SMD - Antenna PRO-OB-536 14.20 x 6.60 x 2.50 mm RoHS/RoHS II Compliant MSL Level = 1 Request Samples Check Inventory PCB layout and antenna pin numbering The antenna uses PIFA technology and should thus be mounted on a ground plane. If there are several layers in the PCB, there is an advantage to add vias for smooth interconnection of the ground areas to avoid splits in the ground plane. It is also important that there is a ground clearance around the NC pads and the RF feed pad, through all layers of the PCB. It is recommended to implement a matching network to optimize the antenna impedance in your application. The components can be positioned under the antenna. See recommendations in the figures below. Pin configuration PCB Layout (from evaluation board) Unit: mm Pad dimensions, size of pads 2, 3 & 5 are identical Distance between pads Clearance through all layers. Size of pads 2, 3 & 5 are identical ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 78669 5101 Phone: 512-371-6159 | Fax: 512-351-8858 REVISED: For terms and conditions of sales, please visit: www.abracon.com 2.4/5GHz OnBoard WLAN SMD - Antenna PRO-OB-536 14.20 x 6.60 x 2.50 mm RoHS/RoHS II Compliant MSL Level = 1 Request Samples Check Inventory Measurement Setup The antenna measurements were all done in free space with the OnBoard WLAN SMD evaluation board (PRO-EB- 550) that has a PCB size of 47 x 17 mm. ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 78669 5101 Phone: 512-371-6159 | Fax: 512-351-8858 REVISED: For terms and conditions of sales, please visit: www.abracon.com 2.4/5GHz OnBoard WLAN SMD - Antenna PRO-OB-536 14.20 x 6.60 x 2.50 mm RoHS/RoHS II Compliant MSL Level = 1 Request Samples Check Inventory Reflection Characteristics – Return Loss Total Radiation Efficiency Maximum Radiation Gain ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 78669 5101 Phone: 512-371-6159 | Fax: 512-351-8858 REVISED: For terms and conditions of sales, please visit: www.abracon.com 2.4/5GHz OnBoard WLAN SMD - Antenna PRO-OB-536 14.20 x 6.60 x 2.50 mm RoHS/RoHS II Compliant MSL Level = 1 Request Samples Check Inventory Radiation Characteristics – 2D Pattern (2450 MHz) VP: Vertical Polarization HP: Horisontal Polarization Unit: dBi ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 78669 5101 Phone: 512-371-6159 | Fax: 512-351-8858 REVISED: For terms and conditions of sales, please visit: www.abracon.com 2.4/5GHz OnBoard WLAN SMD - Antenna PRO-OB-536 14.20 x 6.60 x 2.50 mm RoHS/RoHS II Compliant MSL Level = 1 Request Samples Check Inventory Radiation Characteristics – 2D Pattern (5150 MHz) VP: Vertical Polarization HP: Horisontal Polarization Unit: dBi ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 78669 5101 Phone: 512-371-6159 | Fax: 512-351-8858 REVISED: For terms and conditions of sales, please visit: www.abracon.com 2.4/5GHz OnBoard WLAN SMD - Antenna PRO-OB-536 14.20 x 6.60 x 2.50 mm RoHS/RoHS II Compliant MSL Level = 1 Request Samples Check Inventory Radiation Characteristics – 2D Pattern (5850 MHz) VP: Vertical Polarization HP: Horisontal Polarization Unit: dBi ABRACON IS ISO9001-2015 CERTIFIED Hidden Creek Ln Spicewood TX 78669 5101 Phone: 512-371-6159 | Fax: 512-351-8858…

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` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 1 of 38 FCC SAR TEST REPORT Application No.: SUCR2506000568ME Applicant: OPTIMA LELA, INC Manufacturer: OTLELA Medical Technology Development Co., Ltd. EUT Name: Handpiece Model No.: LELA 5600 - HP, VER 5680 - HP 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 FCC ID: 2BR7C56005680HP Standards: FCC 47CFR §2.1093 Date of Receipt: 2025-06-20 Date of Test: 2025-07-10 to 2025-07-11 Date of Issue: 2025-07-14 Test conclusion: PASS * * In the configuration tested, the EUT detailed in this report complied with the standards specified above. ` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 2 of 38 Revision Record Version Description Date Remark 01 Original 2025/07/14 / Authorized for issue by: Prepared By Leon Liu/ Project Manager Approved By Nick Hu/ Technical Manager ` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 3 of 38 TEST SUMMARY Frequency Band Maximum Reported SAR(W/kg) Product specific 10g SAR WI-FI (5GHz) 0.30 SAR Limited(W/kg) 4.0 Note: There are series models mentioned in this report, and they are the same in electrical and electronic characters. Only the model LELA 5600 - HP was tested since their differences were the model number and label. ` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 4 of 38 CONTENTS 1 General Information ..................................................................................................................... 6 1.1 Details of Client ..................................................................................................................... 6 1.2 Test Location ......................................................................................................................... 6 1.3 Test Facility ........................................................................................................................... 6 1.4 General Description of EUT ................................................................................................. 7 1.4.1 DUT Antenna Locations (Back View) ............................................................................... 8 1.5 Test Specification ................................................................................................................. 9 1.6 RF exposure limits .............................................................................................................. 10 2 Laboratory Environment ........................................................................................................... 11 3 SAR Measurements System Configuration ............................................................................. 12 3.1 The SAR Measurement System ......................................................................................... 12 3.2 Isotropic E-field Probe EX3DV4 ......................................................................................... 14 3.3 Data Acquisition Electronics (DAE) .................................................................................. 15 3.4 SAM Twin Phantom ............................................................................................................. 15 3.5 ELI Phantom ........................................................................................................................ 16 3.6 Device Holder for Transmitters .......................................................................................... 17 3.7 Measurement procedure .................................................................................................... 18 3.7.1 Scanning procedure ....................................................................................................... 18 3.7.2 Data Storage .................................................................................................................. 20 3.7.3 Data Evaluation by SEMCAD ......................................................................................... 20 4 SAR measurement variability and uncertainty ....................................................................... 22 4.1 SAR measurement variability ............................................................................................ 22 4.2 SAR measurement uncertainty .......................................................................................... 22 5 Description of Test Position ..................................................................................................... 23 5.1 Exposure Condition ............................................................................................................ 23 5.1.1 The EUT Test Position ................................................................................................... 23 6 SAR System Verification Procedure ........................................................................................ 24 6.1 Tissue Simulate Liquid ....................................................................................................... 24 6.1.1 Recipes for Tissue Simulate Liquid ................................................................................ 24 6.1.2 Measurement for Tissue Simulate Liquid ....................................................................... 25 6.2 SAR System Check ............................................................................................................. 26 6.2.1 Justification for Extended SAR Dipole Calibrations ....................................................... 27 6.2.2 Summary System Check Result(s) ................................................................................ 28 6.2.3 Detailed System Check Results ...........................................…

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` SGS-CSTCStandardsTechnicalServices(Suzhou)Co.,Ltd. Report No.: SUCR250600056801 Rev.:01 Page: 1 of 22 AppendixC Calibrationcertificate 1. Di pole D5GHzV2-SN 1174 2. DAE DAE4ip-SN 1740 3. Pro be EX 3DV4-SN 3923 ` SGS-CSTCStandardsTechnicalServices(Suzhou)Co.,Ltd. Report No.: SUCR250600056801 Rev.:01 Page: 22 of 22 - End of the Appendix -

` SGS-CSTCStandardsTechnicalServices(Suzhou)Co.,Ltd. ReportNo.:SUCR250600056801 Rev.:01 Page: 1 of4 AppendixA DetailedSystemCheckResults 1.SystemPerformanceCheck SystemPerformanceCheck5250MHz SystemPerformanceCheck5750MHz Date: 2025/07/10 Test Laboratory: SGS-SAR Lab System Performance Check 5.25GHz Head DUT: D5GHzV2; Type: D5GHzV2; Serial: 1174 Communication System: UID 0, CW (0); Frequency: 5250 MHz;Duty Cycle: 1:1 Medium: HSL5000;Medium parameters used: f = 5250 MHz; σ = 4.735 S/m; ε r = 35.629; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY 5 Configuration: l Probe: EX3DV4 -SN3923; ConvF(5.6, 5.6, 5.6); Calibrated: 2024/11/04 l Sensor-Surface: 1.4mm (Mechanical Surface Detection) l Electronics: DAE4 Sn1740; Calibrated: 2025/02/17 l Phantom: SAM 7; Type: SAM; Serial: 1702 l DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Body/d=10mm, Pin=100mW, f=5250 MHz/Area Scan (6x6x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 19.0 W/kg Body/d=10mm, Pin=100mW, f=5250 MHz/Zoom Scan (4x4x1.4mm, graded), dist=1.4mm (7x7x7)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 48.94 V/m; Power Drift = 0.03 dB Peak SAR (extrapolated) = 29.3 W/kg SAR(1 g) = 7.74 W/kg; SAR(10 g) = 2.2 W/kg Smallest distance from peaks to all points 3 dB below = 7.2 mm Ratio of SAR at M2 to SAR at M1 = 67.1% Maximum value of SAR (measured) = 19.3 W/kg 0 dB = 19.0 W/kg = 12.78 dBW/kg Date: 2025/07/11 Test Laboratory: SGS-SAR Lab System Performance Check 5.75GHz Head DUT: D5GHzV2; Type: D5GHzV2; Serial: 1174 Communication System: UID 0, CW (0); Frequency: 5750 MHz;Duty Cycle: 1:1 Medium: HSL5000;Medium parameters used: f = 5750 MHz; σ = 5.393 S/m; ε r = 34.585; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY 5 Configuration: l Probe: EX3DV4 -SN3923; ConvF(5.06, 5.06, 5.06); Calibrated: 2024/11/04 l Sensor-Surface: 1.4mm (Mechanical Surface Detection) l Electronics: DAE4 Sn1740; Calibrated: 2025/02/17 l Phantom: SAM 7; Type: SAM; Serial: 1702 l DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Body/d=10mm, Pin=100mW, f=5750 MHz/Area Scan (10x10x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 16.1 W/kg Body/d=10mm, Pin=100mW, f=5750 MHz/Zoom Scan (4x4x1.4mm, graded), dist=1.4mm (8x8x8)/Cube 0: Measurement grid: dx=4mm, dy=4mm, dz=1.4mm Reference Value = 50.20 V/m; Power Drift = 0.05 dB Peak SAR (extrapolated) = 35.3 W/kg SAR(1 g) = 7.93 W/kg; SAR(10 g) = 2.25 W/kg Smallest distance from peaks to all points 3 dB below = 7.2 mm Ratio of SAR at M2 to SAR at M1 = 61.7% Maximum value of SAR (measured) = 19.2 W/kg 0 dB = 19.2 W/kg = 12.83 dBW/kg ` SGS-CSTCStandardsTechnicalServices(Suzhou)Co.,Ltd. ReportNo.:SUCR250600056801 Rev.:01 Page:4of4 -EndoftheAppendix-

` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 1 of 6 Appendix D Photographs 1. SAR measurement System 2. Photographs of Tissue Simulate Liquid 3. Photographs of EUT test position 4. EUT Antenna Locations 5. EUT Constructional Details ` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 2 of 6 1. SAR measurement System ` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 3 of 6 2. Photographs of Tissue Simulate Liquid Photo 1: Tissue Simulant Liquid for HBBL600-10000MHz NA NA ` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 4 of 6 3. Photographs of EUT test position Photo 2: Front side 0mm Photo 3: Back side 0mm Photo 4: Left side 0mm Photo 5: Right side 0mm Photo 6: Top side 0mm Photo 7: Bottom side 0mm ` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 5 of 6 4. EUT Antenna Locations （Unit: mm） ` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.: 01 Page: 6 of 6 5. EUT Constructional Details Photo 8: Front View Photo 9: Back View - End of the Appendix -

` SGS-CSTC Standards Technical Services (Suzhou) Co., Ltd. Report No.: SUCR250600056801 Rev.:01 Page: 1 of 3 Appendix B Detailed Test Results 1. W IFI W IFI 5G Date: 2025/07/11 Test Laboratory: SGS-SAR Lab LELA 5600 - HP WIFI5G 802.11a 149CH Back side 0mm DUT: LELA 5600 - HP; Type: Handpiece; Communication System: UID 0, WI-FI(5GHz) (0); Frequency: 5745 MHz;Duty Cycle: 1:1.009 Medium: HSL5000;Medium parameters used: f = 5745 MHz; σ = 5.397 S/m; ε = 34.598; ρ = 1000 r 3 kg/m Phantom section: Flat Section DASY 5 Configuration: l Probe: EX3DV4 - SN3923; ConvF(5.06, 5.06, 5.06); Calibrated: 2024/11/04 l Sensor-Surface: 1.4mm (Mechanical Surface Detection) l Electronics: DAE4 Sn1740; Calibrated: 2025/02/17 l Phantom: SAM 7; Type: SAM; Serial: 1702 l DASY52 52.10.4(1527); SEMCAD X 14.6.14(7483) Configuration/Body/Area Scan (9x13x1): Measurement grid: dx=10mm, dy=10mm Maximum value of SAR (measured) = 1.55 W/kg Configuration/Body/Zoom Scan…

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