FCC ID: 2AFOS-WT8089-SF1 WIFI Module

Wireless-Tag Technology Co., Ltd. V1.0.0 WT8089-SF1 Datasheet V1.0.0 January 19, 2021 Wireless-Tag Technology Co., Ltd. Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 1 Wireless-Tag Technology Co., Ltd. V1.0.0 About this document This document provides users with the technical specifications of WT8089-SF1. Document version Please visit Wireless-Tags official website to download the latest version of the document. Revision history Please go to the document revision history page to view the revisions of the document. Disclaimer and copyright notice Information in this paper, including URL references, is subject to change without prior notice. This document is provided as is with no warranties whatsoever, including any warranty of merchantability, non-infringement, fitness for any particular purpose, or any warranty otherwise arising out of any proposal, specification or sample. All liability, including liability for infringement of any patent rights, relating to use of information in this document is disclaimed. No licenses, either express or implied, by estoppel or otherwise, to any intellectual property rights are granted herein. All trade names, trademarks and registered trademarks mentioned in this document are property of their respective owners, and are hereby acknowledged. Copyright 2020 Wireless-Tag Technology Co., Ltd. All rights reserved. Statement Due to product version upgrade or other reasons, the contents of this manual may be changed. Wireless-Tag Technology Co., Ltd reserves the right to modify the contents of this manual without any notice or prompt. This manual is only used as a guide. Wireless-Tag Technology Co., Ltd makes every effort to provide accurate information in this manual, but it does not guarantee that the contents of the manual are completely free of errors. All statements, information and suggestions in this manual do not constitute any express or implied guarantee. 2 Wireless-Tag Technology Co., Ltd. V1.0.0 Document Revision History No. Version Changes Change (+/ -) description Author Date 1 V1.0.0 C First release Fiona January 19, 2021

*Changes: C--Create, A--Add, M--Modify, D--Delete 3 Wireless-Tag Technology Co., Ltd. V1.0.0 Contents 1 Overview ....................................................................................................................................................... 5 2 Hardware Specifications ................................................................................................................................6 2.1 Pin Layout .......................................................................................................................................... 6 2.2 Pin Description ................................................................................................................................... 6 2.3 Parameters .......................................................................................................................................... 8 2.3.1 Module Parameters ..................................................................................................................8 2.3.2 Electrical Characteristics .........................................................................................................8 2.3.3 RF Parameters ......................................................................................................................... 9 2.4 Mechanical Dimensions ................................................................................................................... 10 3 Typical Circuit Connection of Wi-Fi Module ............................................................................................. 10 Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 4 Wireless-Tag Technology Co., Ltd. V1.0.0 1 Overview WT8089-SF1 is a Wi-Fi module based on Espressif's ESP8089 SoC developed by Wireless-Tag, which features simple interface, low power consumption, and high power data transmission.WT8089-SF1 supports standard IEEE 802.11 b/g/n protocol; it can achieve communication with external MCU through SPI/SDIO interface or central processor unit AHB bridge interface in terms of hardware. WT8089-SF1 supports fast switching between sleep/wake mode for energy-efficient VoIP, adaptive radio biasing for low-power operation, advanced signal processing, and spur cancellation and radio co-existence features for cellular/BLE/802.11 interference mitigation. It is widely used in the following fields: home automation, home security, smart home appliances, accessories , drones, OTT boxes, industrial Internet, etc

. Product features:

Support standard IEEE802.11 b/g/n protocol Support Wi-Fi Direct(P2P), Miracast, SoftAP Integrated TR switch, balun, LNA, power amplifier and matching network Integrated PLL, regulators and power management units

+19 dBm output power in 802.11b mode Power down leakage current of < 10 A SDIO2.0, SPI interfaces STBC, 1x1 MIMO, 2x1MIMO A-MPDU & A-MSDU aggregation & 0.4 s guard interval Wake up, connect and transmit data packets within 22ms Standby power consumption of < 1.0 mW (DTIM3) Figure 1. Block Diagram Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 5 Wireless-Tag Technology Co., Ltd. V1.0.0 2 Hardware Specifications 2.1 Pin Layout Figure 2. Top View of Pin Layout 2.2 Pin Description The module has a total of 44 pins, as shown in Table 1. Table 1. Pin Functions Pin No. Pin Name Function Definition Description 1 2 3 4 5 6 7 8 9 GND ANT GND NC NC NC NC NC GND ANT GND NC NC NC NC NC VDD33 3V3 Power supply voltage DC: 2.5v-3.6v

(3.3V, 500mA or above is recommended) Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 6 Wireless-Tag Technology Co., Ltd. V1.0.0 Pin No. Pin Name Function Definition Description 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 NC NC EN VDD33 SD_D2 SD_D3 SD_CMD SD_CLK SD_D0 SD_D1 GND NC NC NC NC NC NC NC NC NC NC GND NC GND NC NC GND NC NC NC NC GND NC NC NC ON WAKE NC NC Enable pin, high level enable (the module has been pulled up to high level by default), which can be connected to the main control IO port. NC SDIO_DATA_2 SDIO_DATA_3 SDIO_CMD SDIO_CLK SDIO_DATA_0 SDIO_DATA_1 GND NC NC NC NC NC NC NC NC NC NC GND NC GND NC NC GND NC NC NC NC GND NC NC NC Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 7 Wireless-Tag Technology Co., Ltd. V1.0.0 2.3 Parameters 2.3.1 Module Parameters The detailed parameters of WT8089-SF1 module are shown in Table 2. Table 2 Module Parameters 1. Layer: 4 layers 2. Dimensions: 13.5*13*1.8mm PCB 3. Interface: Standard 1.5mm half hole pins, directly mounted on circuit boards 4. Material: high permittivity and low loss plate for RF 1. Operating Voltage: 2.5V-3.6V 2. Operating temperature: - 20 -85 3. Wi-Fi standard: 802.11 b/g/n Module features 4. Antenna: stamp hole expansion antenna interface 5. Transmit power: maximum +19dBm in 802.11b mode 6. Communication interface: SDIO 4-bit 25MHz SDIO v1.1 4-bit 50MHz SDIO v2.0 2.3.2 Electrical Characteristics Table 3. Electrical Characteristics Parameter Condition Minimum Typical Maximum Unit Storage temperature range Maximum welding temperature Working voltage VIO IPC/JEDEC J-STD-020

Arbitrary I/O VIL/VIH VOL/VOH I MAX

Electrostatic discharge (human body model) TAMB=25 Electrostatic discharge

(machine model) TAMB=25

-40

2.5

-0.3/0.75VIO

-/0.8VIO

Room temperature

3.3

125 260 3.6 0.25VIO/3.3 0.1VIO/-

12 2 0.5 V V mA KV KV Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 8 Wireless-Tag Technology Co., Ltd. V1.0.0 2.3.3 RF Parameters The following parameters are tested under normal temperature and the module voltage is 3.3V. The Minimum Typical Maximum detailed parameters are shown in Table 4. Table 4. RF Parameters Parameter Input frequency Input impedance PA output power under MCS0 PA output power under 11M 2412

17.2 17.1 Sensitivity DSSS1Mbps CCK11Mbps 6Mbps1/2 BPSK 54Mbps3/4 64-QAM HT20MCS0 HT20MCS765Mbps72.2Mbps

50 17.9 18.3

-98

-91

-93

-74

-92

-70 Adjacent Channel Rejection OFDM6Mbps OFDM54Mbps HT20MCS0 HT20MCS7 Startup Time Crystal startup time Crystal frequency deviation

-5 Baseband PLL startup time RF PLL startup time Rx RF startup time Tx RF startup time 37 21 37 20 500 0 100 200 2 2 2484

18.2 18.5

2 Unit MHz dBm dBm dBm dBm dBm dBm dBm dBm dB dB dB dB uS ppm uS uS uS uS Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 9 Wireless-Tag Technology Co., Ltd. V1.0.0 2.4 Mechanical Dimensions Figure 3. Module Dimensions 3 Typical Circuit Connection of Wi-Fi Module Figure 4Typical Circuit Connection Notes for PCB layout 1The output impedance of Pin11 (WiFi_ANT) of the module is 50, so there is no need to match the module. It is recommended to keep the -type matching network to match the antenna. 2Pin9 (EN) is active at high level. It is recommended to design according to the above reference circuit, or it can be controlled by the main control I/O port;

3SDIO wiring should be short;

4It is recommended not to route wires under the WiFi module on the motherboard, and keep away from sensitive devices (such as crystal oscillators, cameras, etc.);

5After the module is soldered on the motherboard, antenna matching and RF performance testing are required. Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 10 Wireless-Tag Technology Co., Ltd. V1.0.0 Federal Communication Commission Statement (FCC, U.S.) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help. 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 Caution:

Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator &

your body. IMPORTANT NOTES Co-location warning:

This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. OEM integration instructions:

This device is intended only for OEM integrators under the following conditions:

The transmitter module may not be co-located with any other transmitter or antenna. The module shall be only used with the external antenna(s) that has been originally tested and certified with this module. As long as the conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.). Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 11 Wireless-Tag Technology Co., Ltd. V1.0.0 Validity of using the module certification:

In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization for this module in combination with the host equipment is no longer considered valid and the FCC ID of the module cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product

(including the transmitter) and obtaining a separate FCC authorization. End product labeling:

The final end product must be labeled in a visible area with the following: Contains Transmitter Module FCC ID: 2AFOS-WT8089-SF1. Information that must be placed in the end user manual:

The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user's manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. Integration instructions for host product manufactures according to KDB 996369 D03 OEM Manual v01 2.2 List of applicable FCC rules FCC Part 15 Subpart C 15.247 2.3 Specific operational use conditions The module is a WiFi 2.4G module . WiFi Specification Operation Frequency: 2412~2462MHz Number of Channel: 11 Modulation: DSSS, OFDM Type: FPC Antenn Gain: 1.8 dBi a The module can be used for mobile or applications with a maximum 1.8dBi antenna. The host manufacturer installing this module into their product must ensure that the final composit product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operaition. The host manufacturer has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user's manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 12 Wireless-Tag Technology Co., Ltd. V1.0.0 2.4 Limited module procedures Not applicable. 2.5 Trace antenna designs Not applicable. The module has its own antenna, and doesnt need a hosts printed board microstrip trace antenna etc. 2.6 RF exposure considerations The module must be installed in the host equipment such that at least 20cm is maintained between the antenna and users body; and if RF exposure statement or module layout is changed, then the host product manufacturer required to take responsibility of the module through a change in FCC ID or new application. The FCC ID of the module cannot be used on the final product. In these circumstances, the host manufacturer will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization 2.7 Antennas Antenna Specification are as follows:

Type: FPC Antenna Gain: 1.8 dBi This device is intended only for host manufacturers under the following conditions: The transmitter module may not be co-located with any other transmitter or antenna; The module shall be only used with the internal antenna(s) that has been originally tested and certified with this module. The antenna must be either permanently attached or employ a unique antenna coupler. As long as the conditions above are met, further transmitter test will not be required. However, the host manufacturer is still responsible for testing their end-product for any additional compliance requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.) 2.8 Label and compliance information Host product manufacturers need to provide a physical or e-label stating Contains Transmitter Module FCC ID: 2AFOS-WT8089-SF1 with their finished product. 2.9 Information on test modes and additional testing requirements WIFI Operation Frequency: 2412~2462MHz Number of Channel: 11 Modulation: DSSS Host manufacturer must perfom test of radiated & conducted emission and spurious emission, etc according to the actual test modes for a stand-alone modular transmitter in a host, as well as for multiple simultaneously transmitting modules or other transmitters in a host product. Only when all the test results of test modes comply with FCC requirements, then the end product can be sold legally. Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 13 Wireless-Tag Technology Co., Ltd. V1.0.0 2.10 Additional testing, Part 15 Subpart B disclaimer The modular transmitter is only FCC authorized for FCC Part 15 Subpart C 15.247 and that the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. If the grantee markets their product as being Part 15 Subpart B compliant (when it also contains unintentional radiator digital circuity), then the grantee shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed. Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 14 Wireless-Tag Technology Co., Ltd. V1.0.0 Manufacturer's Name: WIRELESS-TAG TECHNOLOGY CO., LIMITED Sample Description: WIFI Module Trade Mark: Wireless-tag Model number: WT8089-SF1 This device was tested for operations. To comply with RF exposure requirements, a minimum separation distance of 20cm must be maintained between the users body and the radiator, including the antenna. Accessories that do not meet these requirements may not comply with RF exposure requirements and should be avoided. Use only the supplied or an approved antenna. This device in compliance with th e essential requirements and other relevant provisions of Directive 2014/53/EU. All essential radio test suites have been carried out. This restriction will be applied to all Member States of European Union. 1. The device complies with RF specifications when the device used at 20cm form your body Declaration of Conformity Hereby, WIRELESS-TAG TECHNOLOGY CO., LIMITED declares that the product type WT8089-SF1 is in compliance with Directives 2014/53/EU

. RF specification:

Function 2.4GWIFI Operation Frequency 2412-2472MHz Max RF Outputpower

(dBm) 17.27 WIRELESS-TAG TECHNOLOGY CO., LIMITED 801, Block A, Building 6, Shenzhen International Innovation Valley, Dashi Road, Xili Community, Xili Street, Nanshan District, Shenzhen Copyright2020 Wireless-Tag Technology Co., Ltd. All rights reserved. http://www.wireless-tag.com 15

Size: 9.8*10mm WIFI Module Module: WT8089-SF1 Input:3.3V 0.5A FCC ID:2AFOS-WT8089-SF1 WIRELESS-TAG TECHNOLOGY CO., LIMITED

C5266091_X24_Ed.1 Attestation Statements TO:

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules for covered telecommunications equipment and video surveillance equipment produced by entities identified on the Commissions Covered List1, which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) that prohibit equipment authorization Applicant Company name: WIRELESS-TAG TECHNOLOGY CO., LIMITED Grantee code: 2AFOS FCC ID:

Contact Name:

Address:

Road, Xili Community, Xili Street, Nanshan District, Shenzhen Telephone No:

Fax No:

Email: engineera@wireless-tag.com 0755-22677752 0755-22677752 2AFOS-WT8089-SF1 Louie Wang 801, Block A, Building 6, Shenzhen International Innovation Valley, Dashi 1st i. ii.

[WIRELESS-TAG TECHNOLOGY CO., LIMITED] (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. The applicant must sign this certification.

[WIRELESS-TAG TECHNOLOGY CO., LIMITED] (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. The applicant must sign this certification. Date: 3.22.2023 Applicants Name: Louie Wang Title: Manager Signature 1 The Commissions Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commissions website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes covered equipment. https://www.fcc.gov/supplychain/coveredlist 1/1

C5266091_X10_Ed.1 WIRELESS-TAG TECHNOLOGY CO., LIMITED. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Subject: Request for Confidentiality FCC ID: 2AFOS-WT8089-SF1 To Whom It May Concern, Date: 3/22/2023 Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits ID Label/Location Attestation Statement External Photos Block Diagram Schematics Test Report Test Setup Photos Users Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info Long-Term Confidentiality No No No Short-Term Confidentiality No No No No No No No No Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Louie Wang Date: 3/22/2023 Title: Manager 1/1

C5266091_X8_Ed.1 Letter of Authorization Company: WIRELESS-TAG TECHNOLOGY CO., LIMITED. Address: 801, Block A, Building 6, Shenzhen International Innovation Valley, Dashi 1st Road, Xili Community, Xili Street, Nanshan District, Shenzhen. Product Name: WIFI Module Model Number: WT8089-SF1 FCC Identifier: 2AFOS-WT8089-SF1 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Louie Wang Date: 3/22/2023 Title: Manager Signature of applicant:

1/1

C5266091_X9_Ed.2 WIRELESS-TAG TECHNOLOGY CO., LIMITED Modular Transmitter Approval Request Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Company name: WIRELESS-TAG TECHNOLOGY CO., LIMITED FCC ID: 2AFOS-WT8089-SF1 Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 Module Certification Guide V02. FCC ID: 2AFOS-WT8089-SF1 has been examined against the following requirements. Items to be covered by Single modular transmitters. Requirement per 15.212 and KDB 996369 D01 Modular Certification Guide v02 1. 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 2. 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 3. The module must contain power supply regulation on the module 4. 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) 5. The module must demonstrate compliance in a stand-

alone configuration 6. The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) 7. The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee 8. The module must comply with RF exposure requirements Explanation from Grantee

(do not write yes/no, but explain why product complies/how it is achieved) Yes, The module has its own RF shield Yes, The module has data transmission function and supports 2.4G wifi function. Module with power regulation and support for DC 3.3V input The module meets the antenna requirements. The module has been tested in a standalone configuration, see report for details The module has its own FCC ID number. See the label for details. The module meets any specific rules or operational requirements applicable to the transmitter Answer: The module complies with any applicable RF exposure requirements, as detailed in the instructions. Name: Louie Wang Date: 2023-03-22 Title: Manager Signature of applicant 1/1

US Agent for Service of Process LETTER OF ATTESTATION C566091_X23_Ed1 TO:

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process:

Company Name: Oasis Compliance, Inc. FRN: 0033464157 Contact Name: James He Address:

Telephone Email:

3313 Verdi Dr, San Jose, CA 95111

(202)602-8330 info@oasis-compliance.com This letter is to confirm that the US Agent for Service of Process accepts responsibility to act as a local representative on behalf of WIRELESS-TAG TECHNOLOGY CO., LIMITED 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. WIRELESS-TAG TECHNOLOGY CO., LIMITED Applicant:

Company name:

Product Description: WIFI Module Grantee code:

FCC ID:

Contact Name:

Address:

Road, Xili Community, Xili Street, Nanshan District, Shenzhen Telephone No:

Email:

0755-22677752 engineera@wireless-tag.com 2AFOS 2AFOS-WT8089-SF1 Louie Wang 801, Block A, Building 6, Shenzhen International Innovation Valley, Dashi 1st 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: 3.22.2023 Applicants Name: Louie Wang Title: Manager Signature US Agent for Service of Processs Name:

James He Title: Global Market Access Manager Signature 1/1