2ALAI24MT106Wireless Module

Wireless Module User Manual 30852845A 3/13/2024 9:17 AM - Schema ST4 PDF engine - Layout by Victor Mahler 3 Wireless Module Congratulations on choosing the quality and precision of METTLER TOLEDO. Proper use of your new equipment according to this Manual and regular calibration and maintenance by our factory-trained service team ensures dependable and accurate operation, protecting your investment. Contact us about a service agreement tailored to your needs and budget. Further information is available at www.mt.com/service. There are several important ways to ensure you maximize the performance of your investment: 1Register your product: We invite you to register your product at www.mt.com/productregistration so we will provide you with information tailored to your specific needs. Additionally, you will receive promotions that you as a METTLER TOLEDO product owner can benefit from at your convenience. 2Contact METTLER TOLEDO for service: The value of a measurement is proportional to its accuracy – an out of specification scale can diminish quality, reduce profits and increase liability. Timely service from METTLER TOLEDO will ensure accuracy and optimize uptime and equipment life. Installation, Configuration, Integration and Training: Our service representatives are factory-trained weighing equipment experts. We make certain that your weighing equipment is ready for production in a cost effective and timely fashion and that personnel are trained for success. Initial Calibration Documentation: The installation environment and application requirements are unique for every industrial scale so performance must be tested and certified. Our calibration services and certificates document accuracy to ensure production quality and provide a quality system record of performance. Periodic Calibration Maintenance: A Calibration Service Agreement provides on-going confidence in your weighing process and documentation of compliance with requirements. We offer a variety of service plans that are scheduled to meet your needs and designed to fit your budget. 4 Wireless Module FCC&IC Notice Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC Radiation Exposure Statement This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This modular can be installed and operated in a portable condition. This device contains license-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s license exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference; and (2) This device must accept any interference, including interference that may cause undesired operation of the device. Cet appareil est conforme aux CNR exemptes de licence d'Industrie Canada . Son fonctionnement est soumis aux deux conditions suivantes : ( 1 ) Ce dispositif ne peut causer d'interférences ; et ( 2 ) Ce dispositif doit accepter toute interférence , y compris les interférences qui peuvent causer un mauvais fonctionnement de l'appareil. IC Radiation Exposure Statement This modular complies with IC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This modular can be installed and operated in a portable condition. Ce module peut être installé et utilisé dans des conditions portables. If the IC number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. When the module is installed inside another device, the user manual of this device must contain below warning statements; 1. This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference; and (2) This device must accept any interference, including interference that may cause undesired operation of the device. 2. Cet appareil est conforme aux CNR exemptes de licence d'Industrie Canada . Son fonctionnement est soumis aux deux conditions suivantes : ( 1 ) Ce dispositif ne peut causer d'interférences ; et ( 2 ) Ce dispositif doit accepter toute interférence , y compris les interférences qui peuvent causer un mauvais fonctionnement de l'appareil. The devices must be installed and used in strict accordance with the manufacturer's instructions as described in the user documentation that comes with the product. For indoor use only. Caution: 1)The device for operation in the band 5150-5250 MHz is only for indoor use to reduce the potential for harmful interference to co-channel mobile satellite systems; 2)For devices with detachable antenna(s), the maximum antenna gain permitted for devices in the bands 5250-5350 MHz and 5470-5725 MHz shall be such that the equipment still complies with the e.i.r.p. limit; 3)For devices with detachable antenna(s), the maximum antenna gain permitted for devices in the band 5725-5850 MHz shall be such that the equipment still complies with the e.i.r.p limits specified for point- to-point and non-point-to-point operation as appropriate; And DFS(Dynamic Frequency Selection) products that operate in the bands 5250-5350MHz, 5470-5600MHz, and 5650-5725MHz. 5 Wireless Module Avertissement: 1)Le dispositif fonctionnan…

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Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. No. 111 West Taihu Road, Changzhou City, Jiangsu Province, China. Covered Equipment Certification Attestation Letter 6/26/2024 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2ALAI24MT106 Mettler Toledo (Changzhou) Measurement 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Mettler Toledo (Changzhou) Measurement 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. Signed: Printed name: Michael Xu Title: Senior Product Compliance Engineer Company Name: Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. Date: 6/26/2024

* the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. Address Phone Fax 1900 Polaris Parkway, Columbus, OH 43240-4035 (800) METTLER (800) 638-8537 (614) 438-4900 Mettler-Toledo, LLC www.mt.com U.S. Agent Designation for Service of Process - Certification Attestation Letter 6/25/2024 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer Model: MTxP250303ANT1 FCC ID: 2ALAI24MT106 Per section 2.911(d)(7) of the FCC rules, Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: Mettler-Toledo, LLC Physical U.S. Company Address: 1900 Polaris Parkway, Columbus, OH 43240 Agent name: Ray Khouw Agent Email Address: [email protected] FRN: 0013261102 The above contact person accepts the obligation for service of process. The applicant 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. Applicant Signed: Designated Agent Signed: (Required, if different to Applicant): Signed: Signed: Printed name: Michael Xu Printed name: Ray Khouw Title: Senior Product Compliance Engineer Title: Product Safety Compliance Leader Company Name: Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. Company Name: Mettler-Toledo, LLC Date: June 25, 2024 Date: June 25, 2024 FRN Code: 0026298612 FRN Code: 0013261102

Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. Software Security Description – KDB 594280 D02v01r03 Section II General Description 1. Describe how any software/firmware updates for elements than can affect the device’s RF parameters will be obtained, downloaded, validated and installed. For software that is accessed through manufacturer’s website or device’s management system, describe the different levels of security as appropriate. Description: Firmware updates are obtained via Lantronix. New firmware can be downloaded via HTTP(S) or FTP; it is automatically installed as it is downloaded into an alternate bank of flash memory. If the download, installation, and verification are all successful, the configuration is updated to boot from the alternate bank, and the device is rebooted automatically. 2. Describe the RF parameters that are modified by any software/firmware without any hardware changes. Are these parameters in some way limited such that any other software/firmware changes will not allow the device to exceed the authorized RF characteristics? Description: The channel used by the STA interface is determined by the access point to which it is connected. The SOFT AP interface (operating on group owner mode) is limited to the channels listed in the channel table at the end of this document. The Soft AP interface uses the same channel as the STA interface (in the absence of a STA connection the SoftAP may use any of the available non-DFS channels.) The Cypress firmware (running in the radio module) restricts the selection of channels to those listed in the channel table at the end of this document. 3. Describe in detail the authentication protocols that are in place to ensure that the source of the RF-related software/firmware is valid. Describe in detail how the RF-related software is protected against modification. Description: Firmware upgrade images contain a header that describes the image. The header contains a product code and image type identifiers that are validated for the device, and contains checksums that are validated before the active flash memory bank is switched (see above). The firmware is not directly accessible by the user; the root Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. user is disabled and all interactions with the application firmware, kernel, drivers, etc. is through the application firmware user interface(s). 4. Describe in detail any encryption methods used to support the use of legitimate RF-related software/firmware. Description: Encryption is not used in firmware upgrade except for transport when using HTTPS. 5. For a device that can be configured as a master and client (with active or passive scanning), explain how the device ensures compliance for each mode? In particular if the device acts as master in some band of operation and client in another; how is compliance ensured in each band of operation? Description: Compliance with channel restrictions is enforced by the Cypress firmware running in the radio module. Third-Party Access Control 1. Explain if any third parties have the capability to operate a U.S.-sold device on any other regulatory domain, frequencies, or in any manner that may allow the device to operate in violation of the device’s authorization if activated in the U.S. Description: A regulatory domain setting is accessible to OEM customers which allow them to select the operational country. This setting is only available to OEM customers and is inaccessible to end users. 2. Describe, if the device permits third-party software or firmware installation, what mechanisms are provided by the manufacturer to permit integration of such functions while ensuring that the RF parameters of the device cannot be operated outside its authorization for operation in the U.S. In the description include what controls and/or agreements are in place with providers of third-party functionality to ensure the devices’ underlying RF parameters are unchanged and how the manufacturer verifies the functionality. Description: Full disclosure: nothing in the firmware prevents this. There is validation, as mentioned, of information in the ROM header. But the utility used to create that header is in the public domain, as it is released as part of the Lantronix SDK. It should be noted that creating operational firmware and spoofing a valid Lantronix validation header is by no means a trivial effort. 3. For Certified Transmitter modular devices, describe how the module grantee ensures that host manufacturers fully comply with these software Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. security requirements for U-NII devices. If the module is controlled through driver software loaded in the host, describe how the drivers are controlled and managed such that the modular transmitter RF parameters are not modified outside the grant of authorization. Description: The regulatory domain setting, which determines all of the transmitter parameters, is enforced by the firmware running in the radio module. This setting is not accessible by end users. Software Configuration Description – KDB 594280 D02v01r03 Section III USER CONFIGURATION GUIDE 1. Describe the user configurations permitted through the UI. If different levels of access are permitted for professional installers, system integrators or end-users, describe the differences. a. What parameters are viewable and configurable by different parties? Description: Soft AP mode, authentication suite. The Soft AP interface uses the same channel as the STA interface (in the absence of a STA connection the SoftAP may use any of the available non-DFS channels.) The Cypress firmware (running in the radio module) restricts the selection of channels to those listed in the channel table at the end of this document. b. What parameters are accessible or modifiable by the professional installer or system integrators? Description: Soft AP mode, authentication suite. The Soft AP interface uses…

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Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. No. 111 West Taihu Road, Changzhou City, Jiangsu Province, China. 7/4/2024 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appoint Kathy Wang from Audix Technology (Shanghai) Co., Ltd. (3F 34Bldg 680 Guiping Rd, Caohejing Hi-Tech Park , Shanghai 200233, China), to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in FCC regulations will have affixed to it a label identical to that submitted for approval with this application. In signing this letter, Applicant certifies that neither the applicant nor any party to the application is not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko North America Inc., still resides still resides with us. Sincerely, Printed name: Michael Xu

Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. No. 111 West Taihu Road, Changzhou City, Jiangsu Province, China. COMPANY LETTERHEAD Date (26/06/2024) Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Modular Approval Request FCC ID: 2ALAI24MT106 The following attestation addresses the requirements to support modular approval: Modular approval requirement Yes (provide brief statement) No * (a) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly Yes, it is fulfilled. The modular transmitter has own shielding. Shielding is show on external photos. (b) The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal Yes, it is fulfilled. The modular have buffered modulation/data inputs. (c) The module must contain power supply regulation on the module Yes, it is fulfilled. The modular transmitter has its own power supply regulation. (d) The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) Yes, it is fulfilled. The modular comply with antenna requirements.( ipex connectors) (e) The module must demonstrate compliance in a stand-alone configuration Yes, it is fulfilled. The modular was tested in a stand-alone configuration. Please see setup photos (f) The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) Yes, it is fulfilled. The label is shown on transmitter modular, please see the label view. (g) The module must comply with all specific rules applicable to the transmitter. The grantee must provide comprehensive instructions to explain compliance requirements Yes, it is fulfilled. The operation description and user guides provide this detail. Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. No. 111 West Taihu Road, Changzhou City, Jiangsu Province, China. Modular approval requirement Yes (provide brief statement) No * (h) The module must comply with RF exposure requirements Yes, it is fulfilled. Please check SAR report * Please provide a detailed explanation if the answer is “No.” Sincerely, Signed: Printed name: Michael Xu Title: Senior Product Compliance Engineer

Mettler Toledo (Changzhou) Measurement Technology Co., Ltd. No. 111 West Taihu Road, Changzhou City, Jiangsu Province, China. 6/26/2024 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: 2ALAI24MT106 Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request confidential treatment of information accompanying this application as outlined below: PERMANENT LONG-TERM CONFIDENTIALITY: Schematics Block Diagrams Operation Description The above information contains trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application. Sincerely, Signed: Printed name: Michael Xu Title: Senior Product Compliance Engineer

Appendix II Page 1 of 5 Audix Technology (Shanghai) Co., Ltd. Report No.: ACI-F24100 APPENDIX II P HOTOGRAPHS OF EUT Appendix II Page 2 of 5 Audix Technology (Shanghai) Co., Ltd. Report No.: ACI-F24100 FIGURE 1 WIRELESS MODULE (MTXP250303ANT1) G ENERAL VIEW FIGURE 2 W IRELESS MODULE (MTXP250303ANT1) BACK VIEW

Appendix II Page 3 of 5 Audix Technology (Shanghai) Co., Ltd. Report No.: ACI-F24100 FIGURE 3 W IRELESS MODULE (MTXP250303ANT1) MAINBOARD FRONT F IGURE 4 WIRELESS MODULE (MTXP250303ANT1) MAINBOARD BACK Appendix II Page 4 of 5 Audix Technology (Shanghai) Co., Ltd. Report No.: ACI-F24100 FIGURE 5 W IRELESS MODULE (MTXP250303ANT1) CRYSTAL ON BOARD F IGURE 6 WIRELESS MODULE (MTXP250303ANT1) SHIELDED REMOVE Appendix II Page 5 of 5 Audix Technology (Shanghai) Co., Ltd. Report No.: ACI-F24100 FIGURE 7 W IRELESS MODULE (MTXP250303ANT1) OVERVIEW ANTANNA 1 F IGURE 8 WIRELESS MODULE (MTXP250303ANT1) OVERVIEW ANTANNA 2 -END-

AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. Report No. ACS-SF24004 Page 1 of 37 SAR TEST REPORT for Mettler-Toledo (ChangZhou) Measurement Technology Ltd Wireless Module Model No.: MTxP240303ANT1 Brand: N/A FCC ID: 2ALAI24MT106 IC ID: 25883-MT24103 The MAX SAR(1g) Body SAR 0.196W/Kg Test dis tance: 0mm Prepared for : Mettler-Toledo (ChangZhou) Measurement Technology Ltd No. 111 Taihu West Road, Changzhou City, Jiangsu Province, China Prepared By : Audix Technology (Shenzhen) Co., Ltd. No. 6, Kefeng Road, Science & Technology Park, Nan shan District, Shenzhen, Guangdong, China Tel: (0755) 26639496 Fax: (0755) 26632877 Report Number ： ACS-SF24004 Date of Test ： Apr.22~25, 2024 Date of Report ： Jul.17, 2024 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. Report No. ACS-SF24004 Page 2 of 37 TABLE OF CONTENTS Description Page SAR Test Report....................................................................................3 1. GENERAL INFORMATION ........................................................................................................ 5 1.1. Description of Equipment Under Test ............................................................................................... 5 1.2. Feature of Equipment Under Test ..................................................................................................... 6 2. GENERAL DESCRIPTION........................................................................................................... 7 2.1. Product Description For EUT............................................................................................................ 7 2.2. Applied Standards ............................................................................................................................. 7 2.3. Device Category and SAR Limits ..................................................................................................... 7 2.4. Test Conditions ................................................................................................................................. 7 2.5. Exposure Positions Consideration ..................................................................................................... 8 2.6. Standalone SAR Test Exclusion Considerations ............................................................................... 9 2.7. Block Diagram of connection between EUT and simulators ............................................................ 9 2.8. Test Equipments .............................................................................................................................. 10 2.9. Laboratory Environment ................................................................................................................. 11 2.10. Measurement Uncertainty ............................................................................................................... 11 3. MEASURE PROCEDURES ........................................................................................................ 13 3.1. General description of test procedures ............................................................................................ 13 4. SAR MEASUREMENTS SYSTEM ............................................................................................ 14 4.1. SAR Measurement Set-up ............................................................................................................... 14 4.2. ELI Phantom ................................................................................................................................... 15 4.3. Device Holder for SAM Twin Phantom .......................................................................................... 16 4.4. DASY5 E-field Probe System ......................................................................................................... 17 4.5. E-field Probe Calibration ................................................................................................................ 18 4.6. Scanning procedure ......................................................................................................................... 19 5. DATA STORAGE AND EVALUATION ................................................................................... 21 5.1. Data Storage .................................................................................................................................... 21 5.2. Data Evaluation by SEMCAD ........................................................................................................ 21 6. SYSTEM CHECK ........................................................................................................................ 23 7. TEST RESULTS .......................................................................................................................... 25 7.1. Output power ................................................................................................................................... 25 7.2. System Check & Tissue simulating liquid ...................................................................................... 29 7.3. Test Results ..................................................................................................................................... 35 APPENDIX A (Graph Result- WIFI 2.4GHz & WIFI 5GHz) APPENDIX B (Calibration Certificate) APPENDIX C (Test Photos) APPENDIX D (EUT Photos) AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. Report No. ACS-SF24004 Page 3 of 37 SAR TEST REPORT Applicant : Mettler-Toledo (ChangZhou) Measurement Technology Ltd Manufacturer : Mettler-Toledo (ChangZhou) Measurement Technology Ltd Product : Wireless Module Model No. : MTxP240303ANT1 Brand : N/A Test Voltage : DC 3.3V Measurement Standard Used: · FCC 47 CFR Part 2 (2.1093) · IEEE C95.1-1999 · IEC/IEEE 62209-1528: 2020 · IEC62209-1:2016 · IEC62209-2:2010 · FCC OET Bulle…

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AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 1 of 14 APPENDIX A Graph Results (WIFI 2.4GHz & WIFI 5GHz) AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 2 of 14 Test Mode: WIFI 2.4GHz: AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 3 of 14 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 4 of 14 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 5 of 14 Test Mode: WIFI 5GHz-Band 1: AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 6 of 14 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 7 of 14 Test Mode: WIFI 5GHz-Band 2: AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 8 of 14 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 9 of 14 Test Mode: WIFI 5GHz-Band 3: AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 10 of 14 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 11 of 14 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 12 of 14 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 13 of 14 Test Mode: WIFI 5GHz-Band 4: AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd.. APPENDIX A Page 14 of 14

AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 1 of 27 APPENDIX B DASY Calibration Certificate AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 2 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 3 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 4 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 5 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 6 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 7 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 8 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 9 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 10 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 11 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Technology (Shenzhen) Co., ltd. APPENDIX B Page 12 of 27 AUDIX Technology (Shenzhen) Co., Ltd. Audix Techno…

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