2A9JH-ZY8266ZY8266-12

ZY8266-12 Specification sheet File Status: [ ] The draft [ ]Official release [  ]Being modified File Identification: Current Version: 1.0 Author: Date of Completion: 2022-11-11 ZY8266-12 Spec V1.0 Copyright © 2021 Shenzhen Zhouyuan Technology Co., LTD All Rights Reserved Page 2 of 18 Edition of history Version/Status Author Participants Start and end date Note 1.0 tanzhiliang 22-11-11 First Edition ZY8266-12 Spec V1.0 Copyright © 2021 Shenzhen Zhouyuan Technology Co., LTD All Rights Reserved Page 3 of 18 Directory 一、 PRODUCT OVERVIEW .................................................................................................4 二、 ELECTRICAL PARAMETERS ......................................................................................5 三、 SIZE OF APPEARANCE ...............................................................................................6 四、 PIN DEFINITION .............................................................................................................7 五、 DESIGN GUIDANCE ......................................................................................................9 1、CIRCUIT OF APPLICATION ...................................................................................................9 2、RECOMMENDED MODULE PACKAGING DESIGN SIZE .........................................................10 3、ANTENNA LAYOUT REQUIREMENTS .................................................................................10 4、POWER SUPPLY ................................................................................................................. 11 5、USE OF GPIO PORT........................................................................................................... 11 六、 REFLOW SOLDERING CURVE .................................................................................12 七、 PACKAGING INFORMATION .....................................................................................13 八、 CONTACT US ................................................................................................................13 ZY8266-12 Spec V1.0 Copyright © 2021 Shenzhen Zhouyuan Technology Co., LTD All Rights Reserved Page 4 of 18 一、 Product Overview ZY8266-12 is a Wi-Fi module developed by Zhou Yuan Technology. The core processor of this module, ESP8266, integrates industry-leading Tensilica L106 ultra-low power 32-bit MCU with 16-bit compact mode in a smaller package. The main frequency supports 80 MHz and 160 MHz, supports RTOS and integrates Wi-Fi MAC/ BB/RF/PA/LNA.ZY8266-12 Wi-Fi module supports standard IEEE802.11b /g/n protocol, complete TCP/IP protocol stack. Users can use the module to add networking capabilities to existing devices or to build standalone network controllers.ESP8266 is a high performance wireless SoC that provides maximum utility at the lowest cost and unlimited possibilities for embedding Wi-Fi capabilities into other systems. The ESP8266 features a complete and self-contained Wi-Fi network that can be used independently or run as a slave from another host MCU. When the ESP8266 is a standalone application, it can be directly launched from an external flash. The built-in buffer memory is beneficial to improve the system performance and optimize the storage system. In the other case, ESP8266 can be used as Wi-Fi only through SPI/SDIO interface or UART interface Adaptor, applied to any microcontroller based design. The ESP8266's powerful on-chip processing and storage capabilities allow it to integrate sensors and other application-specific devices through the GPIO port, significantly reducing upfront development costs. Features Complete 802.11b/g/n Wi-Fi SoC module Built-in Tensilica L106 ultra-low power 32-bit micro MCU, main frequency support 80 MHz and 160 MHz, support RTOS Built-in 1 channel 10 bit high precision ADC Support the UART/GPIO/ADC/PWM/SPI, I2C interface SMD-22 encapsulation is used Wi-Fi integrated MAC/ BB/RF/PA/LNA Multiple dormancy modes are supported, with deep sleep current as low as 20uA Serial port speeds up to 4Mbps Embedded Lwip protocol stack Supports STA/AP/STA+AP working mode Smart Config (APP) /AirKiss (wechat) for Android and IOS Support for serial port local and remote firmware upgrade (FOTA)） General AT command can be quickly picked up Support secondary development, integrated Windows, Linux development environment ZY8266-12 Spec V1.0 Copyright © 2021 Shenzhen Zhouyuan Technology Co., LTD All Rights Reserved Page 5 of 18 Main parameters Table 1 Main parameter description Module Model ZY8266-12 encapsulation SMD-22 Size 24*16*3(±0.2)MM Form of antenna PCB ANT Range of spectrum 2400 ~ 2483.5MHz Operating temperature -40 °C ~ 85 °C Storage Environment -40 °C ~ 125 °C , < 90%RH Range of power supply Supply volgate3.0V ~ 3.6V，Supply current>500mA Supported Interfaces UART/GPIO/ADC/PWM/SPI/I2C Number of IO ports 9 Serial port rate Support 110 ~ 4608000 bps ，default 115200 bps Security WEP/WPA-PSK/WPA2-PSK SPI Flash default 32Mbit certification FCC, CE, IC, REACH, RoHS, SRRC, NCC, TELEC, ANATEL, KCC 二、 Electrical parameters Electrical characteristics parameter conditions Minimum value Typical value Maximum value unit Supply voltage VDD 3.0 3.3 3.6 V I/O VIL/VIH - -0.3/0.75VIO - 0.25VIO/3.6 V VOL/VOH - N/0.8VIO - 0.1VIO/N V IMAX - - - 12 mA Radio frequency performance describe Typical value unit Frequency of operation 2400 - 2483.5 MHz Power output In 11n mode, the PA output power 13±2 dBm In 11g mode, the PA output power 14±2 dBm In 11b mode, the PA output power 16±2 dBm Sensitivity of reception CCK, 1 Mbps ＜＝-90 dBm CCK, 11 Mbps ＜＝-85 dBm 6 Mbps (1/2 BPSK) ＜＝-88 dBm 54 Mbps (3/4 64-QAM) ＜＝-70 dBm HT20 (MCS7) ＜＝-67 dBm Power consumption ZY8266-12 Spec V1.0 Copyright © 2021 Shenzhen Zhouyuan Technology Co., LTD All Rights Reserved Page 6 of 18 The following power consumption data is based on a 3.3V power supply, ambient temperature of 25°C, and measured using an internal voltage regulator. Al…

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Shenzhen ZhouYuan Technology Co., Ltd Agent Authorization Company: Shenzhen ZhouYuan Technology Co., Ltd Address: 202, Plant 1, Juyin Technology Industrial Plant, No. 1, Ganli Road, Gankeng Community, Jihua Street, Longgang District, Shenzhen China Product Name: ZY8266-12 Model Number(s): ZY-ESP12 Product Description: ZY8266-12 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2022-12-01 Name: Jiankuai Li Title: PM Company: SHENZHEN STS TEST SERVICES CO.,LTD.

Shenzhen ZhouYuan Technology Co., Ltd FCC Modular Approval Request Rev 3.0 Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2022.12.01 Subject; Modular Transmitter Application Company name: Shenzhen ZhouYuan Technology Co., Ltd FCC ID: 2A9JH-ZY8266 Dear Sir/Madam, This letter includes the FCC application requirements for Modular Transmitter Approval Request for;- FCC KDB 996369 D01 ‘Module Certification Guide v02; and FCC KDB 996369 D03 OEM Manual v01 In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Equip Auth Guide v02’. FCC ID 2A9JH-ZY8266 has been examined against the following requirements. Requirement per 15.212 and KDB 996369 D01 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, with shielded 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, All inputs to the modules are buffered through logic or microprocessor inputs. The module must contain power supply regulation on the module. Yes, A low drop out regulator is used for modular power supply regulation. 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 §§ 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b). Yes, Device is equipped with Integral antenna. The module must demonstrate compliance in a stand-alone configuration. Yes, distance between modular and all AEs are longer than 20cm, refer to setup photo. The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (see KDB Publication 784748). Yes ,The modular has a permanent fixed label, and below statement was listed in the User Manual; The host device must be labeled to display the FCC ID of the module Contains FCC ID: 2A9JH-ZY8266 The module must comply with all specific rules applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. Yes ,The module comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee, Refer to test report and user manual Shenzhen ZhouYuan Technology Co., Ltd FCC Modular Approval Request Rev 3.0 The module must comply with RF exposure requirements Yes, Transmitter meets MPE calculation of 47 CFR 1.1307 . Refer to MPE Reports and Refer to modular installation manual Integration Instructions for host product manufacturers The following items are submitted in support of application for Modular Transmitter FCC ID as noted above as required by the FCC KDB 996369 D03 OEM Manual v01. These items are provided as integration instructions for host product manufacturers (e.g., OEM instruction manual) to use when integrating a module in a host product. Any requirements that are not applicable to the Module are as indicated below. Summary of requirements and Checklist. Refer to the KDB for description of the complete requirements; KDB Ref Sect Requirements of KDB 996369 D03 User Manual Page Number reference 2.2 List of applicable FCC rules please refer to P14-15 2.3 Summarize the specific operational use conditions please refer to P14-15 2.4 Limited module procedures N/A 2.5 Trace antenna designs please refer to P10-11 2.6 RF exposure considerations please refer to P14-15 2.7 Antennas please refer to P10-11 2.8 Label and compliance information please refer to P14-15 2.9 Information on test modes and additional testing requirements please refer to P14-15 2.10 Additional testing, Part 15 Subpart B disclaimer please refer to P14-15 Signature: Date: 2022.12.01 Name: Jiankuai Li Title: PM Company: SHENZHEN STS TEST SERVICES CO.,LTD.

Shenzhen ZhouYuan Technology Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2A9JH-ZY8266 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure SOFTWARE SECURITY REQUIREMENTS FOR U-NII DEVICES In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Signature: Date: 2022-12-01 Name: Jiankuai Li Title: PM Company: SHENZHEN STS TEST SERVICES CO.,LTD.

Page 1 of 3 Report No.: STS2210110 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: ZY-ESP12 Photo 1 Photo 2 Page 2 of 3 Report No.: STS2210110 Photo 3 Photo 4 Page 3 of 3 Report No.: STS2210110 Photo 5 Photo 6

FCC Label 10mm*5mm ZY8266-12 ZY-ESP12 FCC ID: 2A9JH-ZY8266

Page 1 of 1 Report No.: STS2210110 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: ZY-ESP12 Photo 1 Photo 2 2.4GWIFI Antenna

Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, all test data presented in this report is only applicable to presented test sample. Shenzhen STS Test Services Co., Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +86-755 3688 6277 E-mail:[email protected] RADIO TEST REPORT Report No.: STS2210110H02 Issued for Shenzhen ZhouYuan Technology Co., Ltd 202, Plant 1, Juyin Technology Industrial Plant, No. 1, Ganli Road, Gankeng Community, Jihua Street, Longgang District, Shenzhen China Product Name: ZY8266-12 Brand: ZHOUYUAN Model Number: ZY-ESP12 Series Model(s): N/A FCC ID: 2A9JH-ZY8266 Test Standard: FCC 47CFR §2.1091 S T L A B S Page 2 of 9 Report No.: STS2210110H02 Test Report Certification Applicant’s Name .................. : Shenzhen ZhouYuan Technology Co., Ltd Address ................................... : 202, Plant 1, Juyin Technology Industrial Plant, No. 1, Ganli Road, Gankeng Community, Jihua Street, Longgang District, Shenzhen China Manufacturer's Name ........... : Shenzhen ZhouYuan Technology Co., Ltd Address ................................... : 202, Plant 1, Juyin Technology Industrial Plant, No. 1, Ganli Road, Gankeng Community, Jihua Street, Longgang District, Shenzhen China Product Description Product Name ......................... : ZY8266-12 Brand ..................................... : ZHOUYUAN Model Number ........................ : ZY-ESP12 Series Model(s) ....................... : N/A Standards .............................. : FCC 47CFR §2.1091 447498 D04 Interim General RF Exposure Guidance v01 This report shall not be reproduced except in full, without the written approval of STS, this document only be altered or revised by STS, personal only, and shall be noted in the revision of the document. Date of Test .............................................. : Date of receipt of test item ....................... : 30 Oct. 2022 Date (s) of performance of tests .............. : 30 Oct. 2022 ~ 28 Nov. 2022 Date of Issue............................................. : 28 Nov. 2022 Test Result ................................................. : Pass Testing Engineer : (Chris Chen) Technical Manager : (Sean she) Authorized Signatory : (Bovey Yang) Page 3 of 9 Report No.: STS2210110H02 TABLE OF CONTENTS 1. GENERAL INFORMATION 5 1.1 GENERAL DESCRIPTION OF THE EUT 5 1.2 TEST FACTORY 5 2. FCC 47CFR §2.1091 REQUIREMENT 6 2.1 TEST STANDARDS 6 2.2 LIMIT 6 2.3 TEST RESULT 9 Page 4 of 9 Report No.: STS2210110H02 Revision History Rev. Issue Date Report No. Effect Page Contents 00 28 Nov. 2022 STS2210110H02 ALL Initial Issue Page 5 of 9 Report No.: STS2210110H02 1. GENERAL INFORMATION 1.1 GENERAL DESCRIPTION OF THE EUT Product Name ZY8266-12 Brand ZHOUYUAN Model Number ZY-ESP12 Series Model(s) N/A Model Difference N/A Product Description The EUT is ZY8266-12. Operation Frequency: 802.11b/g/n 20: 2412~2462 MHz Modulation Type: 802.11b(DSSS):CCK,DQPSK,DBPSK 802.11g(OFDM):BPSK,QPSK,16-QAM,64-QAM 802.11n(OFDM):BPSK,QPSK,16-QAM,64-QAM Antenna gain: 0dBi Antenna Designation: PCB Rating Input:3.0V ~ 3.6V, >500mA Hardware Version V2.1 Software Version 2.2.1 1.2 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 Page 6 of 9 Report No.: STS2210110H02 2. FCC 47CFR §2.1091 REQUIREMENT 2.1 TEST STANDARDS Follow the maximum permissible exposure (MPE) limits specified in 447498 D04 Interim General Radio Frequency Exposure Guidelines v01. The gain of the antenna used in the product was extracted from the supplied antenna data sheet and the maximum total power input to the antenna was also measured. Calculate the distance from the product to the MPE limit by the formula. 2.2 LIMIT For single RF sources (i.e., any single fixed RF source, mobile device, or portable device, as defined in paragraph (b)(2) of this section): A single RF source is exempt if: (A) The available maximum time-averaged power is no more than 1 mW, regardless of separation distance. This exemption may not be used in conjunction with other exemption criteria other than those in paragraph (b)(3)(ii)(A) of Part 1.1307. Medical implant devices may only use this exemption and that in paragraph (b)(3)(ii)(A); (B) Or the available maximum time-averaged power or effective radiated power (ERP), whichever is greater, is less than or equal to the threshold Pth (mW) described in the following formula. This method shall only be used at separation distances (cm) from 0.5 centimeters to 40 centimeters and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by: Page 7 of 9 Report No.: STS2210110H02 (C) Or using below table and the minimum separation distance (R in meters) from the body of a nearby person for the frequency (f in MHz) at which the source operates, the ERP (watts) is no more than the calculated value prescribed for that frequency. For the exemption in Table 1 to apply, R must be at least λ/2π, where λ is the free-space operating wavelength in meters. If the ERP of a single RF source is not easily obtained, then the available maximum time-averaged power may be used in lieu of ERP if the physical dimensions of the radiating structure(s) do not exceed the electrical length of λ/4 or if the antenna gain is less than that of a half-wave dipole (1.64 linear value). RF Source frequency (MHz) Threshold ERP(watts) 0.3-1.34 1,920 R 2 . 1.34-30 3,450 R 2 /f 2 . 30-300 3.83 R 2 . 300-1,500 0.0128 R 2 f. 1,500-100,000 19.2R 2 . Page 8 of 9 Report No.: STS2210110H02 For multiple RF sources: Multiple RF sources are exempt if: (A) The available maximum time-averaged power of each …

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Antenna describe 1. Antenna describe: Antenna plate PCB ANT Make name/model name ZY8266-12 Antenna gain 0dBi Frequency range 2402-2480MHz Connector type direct Location of mearement(company name) Shenzhen ZhouYuan Technology Co., Ltd 2.External view drawing: Picture of antenna 3.Antenna Radiation Pattern Radiation [email protected] Total Average Gain：-0.475dbi \ Phi 0 45 90 135 180 235 270 315 Gain -0. 1 -0.3 -0.8 -0.5 -0.2 -0. 6 -0.8 -0.5 Radiation [email protected] Total Average Gain：-0.275dbi \ Phi 0 45 90 135 180 235 270 315 Gain 0 -0.1 -0. 3 -0. 6 -0.1 -0.2 -0.6 -0.4 Radiation [email protected] Total Average Gain：-0.237dbi Gain 0 45 90 135 180 235 270 315 0 -0. 1 -0.2 -0.5 0 -0.3 -0. 6 -0.2 Phi

Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, all test data presented in this report is only applicable to presented test sample. Shenzhen STS Test Services Co., Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +86-755 3688 6277 E-mail:[email protected] RADIO TEST REPORT Report No.:STS2210110W02 Issued for Shenzhen ZhouYuan Technology Co., Ltd 202, Plant 1, Juyin Technology Industrial Plant, No. 1, Ganli Road, Gankeng Community, Jihua Street, Longgang District, Shenzhen China Product Name: ZY8266-12 Brand: ZHOUYUAN Model Number: ZY-ESP12 Series Model(s): N/A FCC ID: 2A9JH-ZY8266 Test Standard: FCC Part 15.247 S T L A B S Page 2 of 83 Report No.:STS2210110W02 TEST RESULT CERTIFICATION Applicant’s Name ................. : Shenzhen ZhouYuan Technology Co., Ltd Address .................................. : 202, Plant 1, Juyin Technology Industrial Plant, No. 1, Ganli Road, Gankeng Community, Jihua Street, Longgang District, Shenzhen China Manufacturer's Name ........... : Shenzhen ZhouYuan Technology Co., Ltd Address .................................. : 202, Plant 1, Juyin Technology Industrial Plant, No. 1, Ganli Road, Gankeng Community, Jihua Street, Longgang District, Shenzhen China Product Description Product Name ........................ : ZY8266-12 Brand .................................... : ZHOUYUAN Model Number ....................... : ZY-ESP12 Series Model(s) ...................... : N/A Test Standards ..................... : FCC Part 15.247 Test Procedure........................: ANSI C63.10-2013 This device described above has been tested by STS, 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. This report shall not be reproduced except in full, without the written approval of STS, this document only be altered or revised by STS, personal only, and shall be noted in the revision of the document. Date of Test ............................................ : Date of receipt of test item ...................... : 30 Oct. 2022 Date (s) of performance of tests ............. : 30 Oct. 2022 ~ 28 Nov. 2022 Date of Issue .......................................... : 28 Nov. 2022 Test Result .............................................. : Pass Testing Engineer : (Chris Chen) Technical Manager : (Sean she) Authorized Signatory : (Bovey Yang) Page 3 of 83 Report No.:STS2210110W02 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 TEST SOFTWARE AND POWER LEVEL 10 2.4 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 11 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 12 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 13 3. EMC EMISSION TEST 14 3.1 CONDUCTED EMISSION MEASUREMENT 14 3.2 RADIATED EMISSION MEASUREMENT 18 4. CONDUCTED SPURIOUS & BAND EDGE EMISSION 30 4.1 LIMIT 30 4.2 TEST PROCEDURE 30 4.3 DEVIATION FROM STANDARD 30 4.4 TEST SETUP 30 4.5 EUT OPERATION CONDITIONS 30 4.6 TEST RESULTS 30 5. POWER SPECTRAL DENSITY TEST 31 5.1 LIMIT 31 5.2 TEST PROCEDURE 31 5.3 DEVIATION FROM STANDARD 31 5.4 TEST SETUP 31 5.5 EUT OPERATION CONDITIONS 31 5.6 TEST RESULTS 31 6. BANDWIDTH TEST 32 6.1 LIMIT 32 6.2 TEST PROCEDURE 32 6.3 DEVIATION FROM STANDARD 32 6.4 TEST SETUP 32 6.5 EUT OPERATION CONDITIONS 32 Page 4 of 83 Report No.:STS2210110W02 Table of Contents Page 6.6 TEST RESULTS 32 7. PEAK OUTPUT POWER TEST 33 7.1 LIMIT 33 7.2 TEST PROCEDURE 33 7.3 DEVIATION FROM STANDARD 33 7.4 TEST SETUP 34 7.5 EUT OPERATION CONDITIONS 34 7.6 TEST RESULTS 34 8. ANTENNA REQUIREMENT 35 8.1 STANDARD REQUIREMENT 35 8.2 EUT ANTENNA 35 APPENDIX 1-TEST DATA 36 1. DUTY CYCLE 36 2. MAXIMUM AVERAGE CONDUCTED OUTPUT POWER 42 3. MAXIMUM PEAK CONDUCTED OUTPUT POWER 48 4. -6DB BANDWIDTH 54 5. MAXIMUM POWER SPECTRAL DENSITY LEVEL 60 6. BAND EDGE 66 7. CONDUCTED RF SPURIOUS EMISSION 73 APPENDIX 2-PHOTOS OF TEST SETUP 83 Page 5 of 83 Report No.:STS2210110W02 Revision History Rev. Issue Date Report No. Effect Page Contents 00 28 Nov. 2022 STS2210110W02 ALL Initial Issue Page 6 of 83 Report No.:STS2210110W02 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247 (a)(2) 6dB Bandwidth PASS -- 15.247 (b)(3) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247 (d) Conducted Spurious & Band Edge Emission PASS -- 15.247 (e) Power Spectral Density PASS -- 15.205 Restricted Band Edge Emission PASS -- Part 15.247(d)/ part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2013. Page 7 of 83 Report No.:STS2210110W02 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ±U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.87dB 2 Unwanted Emissions, conducted ±2.895dB 3 All emissions, radiated 9K-30MHz ±3.80dB 4 All emissions, radiated 30M-1GHz ±4.09dB 5 All emissions, radiated 1G-6GHz ±4.92dB 6 All emissions, radiated>6G ±5.49dB 7 Conducted Emission…

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Page 1 of 2 FCC ID: 2A9JH-ZY8266 DTS Setup photo Model name: ZY-ESP12 DTS radiation L DTS radiation H Page 2 of 2 FCC ID: 2A9JH-ZY8266 DTS conduction