2AFOS-WT8266-S2WiFi Module

WT8266-S2WiFiModule Extreme / Open / Small / Easy Specification Version 2.6 2020/6/1 Disclaimer and Copyright Notice Information in this document, including URL references, is subject to change without notice. THIS DOCUMENT IS PROVIDED AS IS WITH NO WARRANTIES WHATSOEVER, INCLUDING ANYWARRANTY OF MERCHANTABILITY, NON‐INFRINGEMENT, FITNESS FOR ANY PARTICULARPURPOSE, OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATIONOR SAMPLE. All liability, including liability for infringement of any proprietary rights, relating to useof information in this document is disclaimed. No licenses express or implied, by estoppel orotherwise, to any intellectual property rights are granted herein. The WiFi Alliance Member Logo is a trademark of the WiFi Alliance. All trade names, trademarks and registered trademarks mentioned in this document are property oftheir respective owners, and are hereby acknowledged. Note As the product upgrade or other reasons, this manual may change. Shenzhen Wireless‐Tag Technology Co., Ltd has right to modify the contents of this manual without any notice or warning. This manual is only as a guide,Wireless‐Tag Technology Co., Ltd Spareno effort to provide accurate information in this manual, but the Wireless‐Tag can't guarantee manual there is no problem , all statements in this manual, information and suggestions do not constitute any guarantee of express or implication. CE marking: Use the WT8266 in the environment with the temperature between ‐40 °C and 85 °C. For the following equipment: WT8266RED (CE 0700) is in compliance with the essential requirements and other relevant provisions of Directive (RED) 2014/53/EU. Hereby, WIRELESS‐TAG TECHNOLOGY CO., LIMITED declares that this WiFi module is in compliance with essential requirements and other relevant provisions of Directive (RED) 2014/53/EU, A copy of the declaration of conformity can be found at www.wireless‐tag.com. Amendment record Version Changed by Time Reason Details V1.0 Lemme 2015.08.13 Original V2.0 Lemme 2015.10.12 Update Flash size Available RAM size Power consumption on deep sleep mode Operating Temperature Model size on top view Schematic of WT8266-S2 FCC/CE/RoHs certification document Tech support email V2.1 Lemme 2015.10.18 Update Product picture Environment temperature V2.2 Lemme 2015.12.29 Update CE Caution V2.3 Lemme 2016.1.21 Update CE marking update V2.4 Lemme 2016.1.22 Update Certification update V2.5 Wangleyu 2018.9.10 Update Schematic of WT8266-S2 Layout of WT8266-S2 Size description CE marking update RED CE Certification update RoHs certification update V2.6 Vans 2020.6.1 Update Schematic of WT8266-S2 Layout of WT8266-S2 Contents 1.Overview .................................................................................................................................................... 5 2. Main Features ........................................................................................................................................... 5 3. Hardware Specifications ........................................................................................................................... 6 3.1 System Diagram .................................................................................................................................. 6 3.2Pin Description .................................................................................................................................... 6 3.3Electrical Characteristic ....................................................................................................................... 9 3.3.1Maximum Ratings ......................................................................................................................... 9 3.3.2Recommended Operating Environment ...................................................................................... 9 3.3.3Digital Port Characteristics ........................................................................................................... 9 3.4Power Consumption ............................................................................................................................ 9 3.4.1Operating Power Consumption .................................................................................................... 9 3.4.2Standby Power Consumption ..................................................................................................... 10 3.5RF Characteristics .............................................................................................................................. 10 3.5.1RF Configuration and General Specifications of Wireless LAN ................................................... 10 3.5.2 RF Tx Characteristics .................................................................................................................. 11 3.5.3RF Rx Characteristics .................................................................................................................. 11 4. Mechanical Dimensions .......................................................................................................................... 11 4.1Module Size ....................................................................................................................................... 11 4.2 Schematics ........................................................................................................................................ 14 ................................................................................................................................................................ 14 5. Certification ........................................................................................................................................... 14 6. Product Trial ........................................................................................................................................... 15 1. Overview WT8266‐S2 Wi‐Fi module is a …

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C5266091_X8_Ed.1 1/1 Letter of Authorization WIRELESS-TAG TECHNOLOGY CO., LIMITED Company: WIRELESS-TAG TECHNOLOGY CO., LIMITED Address: Room 115-118, Building A, ChengshishanhaiCenter, No.11, Zhongxing Road, Bantian Sub-district, Longgang District, Shenzhen, PRC Product Name: WiFi Module Model Number: WT8266-S2 FCC Identifier: 2AFOS-WT8266-S2 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: 7/1/2020 Title: Manager Signature of applicant:

C5266091_X10_Ed.1 1/1 WIRELESS-TAG TECHNOLOGY CO., LIMITED Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 7/1/2020 Subject: Request for Confidentiality FCC ID: 2AFOS-WT8266-S2 To Wh om It May Concern, 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. ExhibitsLong-Term Confidentiality Short-Term Confidentiality ID Label/Location No No Attestation Statement No No External Photos No Block Diagram Schematics Test Report No No Test Setup Photos No User’s Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) No No SDR Software / Security Info No Above m entioned 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 7/1/2020 Title: Manager

C5266091_X9_Ed.1 1/1 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-WT8266-S2 Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Certification Guide v01r04’. FCC ID 2AFOS-WT8266-S2 has been examined against the following requirements. Requirement per 15.212 and KDB 996369 D01 ‘Modular Certification Guide v01r04 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved) 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, The module has its own RF shield 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, The module has data transmission function and supports 2.4GWiFi function. The module must contain power supply regulation on the module Module with power regulation and support for DC 3.3V input 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) The module meets the antenna requirements. The module must demonstrate compliance in a stand- alone configuration The module has been tested in a standalone configuration, see report for details The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) The module has its own FCC ID number. See the label for details. The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee The module meets any specific rules or operational requirements applicable to the transmitter The module must comply with RF exposure requirements The module complies with any applicable RF exposure requirements, as detailed in the instructions. Name: Louie Wang Date: 2020-07-01 Title: Manager Signature of applicant

1 - Page 1 of 3 - Report No.: MTi20052201-1E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China APPENDIX 1: EUT PHOTO Photo 1 (For model WT8266-S2) Photo 2 FPC antenna 1 - Page 2 of 3 - Report No.: MTi20052201-1E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Photo 3 Photo 4

9.Label 1, size: 13mm*10mm 2, position: on the top of the shield shell

1 - Page 3 of 3 -Report No.: MTi20052201-1E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Photo 5 ----END OF REPORT---- (For model WT8266-S2)

This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen Microtest Co., Ltd. Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China MPE REPORT FCC ID:2AFOS-WT8266-S2 Date of issue: June 22, 2020 Report number: MTi20052201-1E2 Sample description: WiFi Module Model(s): WT8266-S2 Applicant: Wireless-Tag Technology Co., Ltd Address: Room 115-118, Building A, ChengshishanhaiCenter, No.11, Zhongxing Road, Bantian Sub-district, Longgang District, Shenzhen, PRC Date of test: June 08, 2020 to June 22, 2020 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 4 - Report No.: MTi20052201-1E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China TEST RESULT CERTIFICATION Applicant’s name: Wireless-Tag Technology Co., Ltd Address: Room 115-118, Building A, ChengshishanhaiCenter, No.11, Zhongxing Road, Bantian Sub-district, Longgang District, Shenzhen, PRC Manufacture's name: Wireless-Tag Technology Co., Ltd Address: Room 115-118, Building A, ChengshishanhaiCenter, No.11, Zhongxing Road, Bantian Sub-district, Longgang District, Shenzhen, PRC Product name: WiFi Module Trademark: Wireless-tag Model and/or type reference: WT8266-S2 Serial model: N/A RF exposure procedures: KDB 447498 D01 v06 This device described above has been tested by Shenzhen Microtest Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Tested by: Danny Xu June 22, 2020 Reviewed by: Leo Su June 22, 2020 Approved by: Tom Xue June 22, 2020 - Page 3 of 4 - Report No.: MTi20052201-1E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) MPE Calculation Method Friis transmission formula: Pd= (Pout*G)\ (4*pi*R 2 ) Where Pd= Power density in mW/cm2 Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1415926 R= distance between observation point and center of the radiator in cm(20cm) Pd the limit of MPE, 1mW/cm2. If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. - Page 4 of 4 - Report No.: MTi20052201-1E2 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: No.102A & 302A, East Block, Hengfang Industrial Park, Xingye Road, Xixiang, Bao'an District, Shenzhen, Guangdong, China Measurement Result WIFI: Operation Frequency: WIFI 802.11b/g/n HT20: 2412-2462MHz, Power density limited: 1mW/ cm 2 Antenna Type: WiFi Antenna: FPC Antenna; WIFI antenna gain: 3Bi R=20cm mW=10^(dBm/10) antenna gain Numeric=10^(dBi/10)= 10^(3/10)=2 Channel Freq. (MHz) modulation conducted power Tune- up power Max Antenna Evaluation result at 20cm Power density Limits (dBm) (dBm) tune-up power Gain Power density(mW/cm2 ) (mW/cm2) (dBm) (mW) Numeric Ant A Ant A Ant A Ant A Ant A Ant A 2412 802.11b 15.06 15±1 16 39.810717 2 0.01584 1 2437 15.74 15±1 16 39.810717 2 0.01584 1 2462 15.22 15±1 16 39.810717 2 0.01584 1 2412 802.11g 15.47 15±1 16 39.810717 2 0.01584 1 2437 15.42 15±1 16 39.810717 2 0.01584 1 2462 14.88 15±1 16 39.810717 2 0.01584 1 2412 802.11n H20 15.03 15±1 16 39.810717 2 0.01584 1 2437 15.23 15±1 16 39.810717 2 0.01584 1 2462 14.73 15±1 16 39.810717 2 0.01584 1 Conclusion: For the max result: 0.01584≤ 1.0 for 1g SAR, No SAR is required. ----END OF REPORT----

Model: WT8266-S2 Radiated emission Conducted emission