2AYT3-FRIDGEPOWERPortable Power Station

SHENZHEN POWEROAK NEWENER CO., LTD 2.911 (d) (7) USA Agent v1.5 Section 2.911(d)(7) USA Agent for Service of Process Company name: SHENZHEN POWEROAK NEWENER CO., LTD Address: F19, BLD No.1, Kaidaer Tongs ha Rd No.168, Xili Street, Nanshan, Shenzhen, China Product Name: Portable Power Station FCC ID: 2AYT3-FRIDGEPOWER 2.911(d)(7) USA Designated Agent for Service of Process We, [SHENZHEN POWEROAK NEWENER CO., LTD] (“the applicant”) designate [BLUETTI POWEROAK INC] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either we the grantee have permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation: We acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent Company name: BLUETTI POWER INC USA Address: 6185 S VALLEY VIEW BLVD STE D, LAS VEGAS, NV 89118, United States FRN: 0033559824 Contact Name: Sean.Wang Telephone No: (917) 287-8636 1 Email: Sean.wang @bluetti.com Applicant Company name: SHENZHEN POWEROAK NEWENER CO., LTD Address: F19, BLD No.1, Kaidaer Tongsha Rd No.168, Xili Street, Nanshan, Shenzhen, China FRN: 0030496780 Contact Name: Xianping Sun Telephone No: +86-752-5192091 Email: [email protected] Signature: Title: CEO Date: Nov. 04, 2025 Signature: Title: General Manager Date: Nov. 04, 2025 SHENZHEN POWEROAK NEWENER CO., LTD 2.911 (d) (7) USA Agent v1.5 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

SHENZHEN POWEROAK NEWENER CO., LTD F19, BLD No.1, Kaidaer Tongsha Rd No.168, Xili Street, Nanshan, Shenzhen, China Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: Nov. 10, 2025 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2AYT3-FRIDGEPOWER FRN: 0030496780 SHENZHEN POWEROAK NEWENER 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, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Applicant Signature Printed Name: Xianping Sun Title: General Manager

SHENZHEN POWEROAK NEWENER CO., LTD F19, BLD No.1, Kaidaer Tongsha Rd No.168, Xili Street, Nanshan, Shenzhen, China 1 | P a g e Attestation Statements To: Federal Communications Commission Date: Nov. 10, 2025 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Attestation of Compliance with FCC Covered List Software Requirements FCC ID: 2AYT3-FRIDGEPOWER Product Name: Portable Power Station This letter serves as an attestation that the equipment identified above ☐ is / ☒ is not (select one) "covered" software as defined under the Federal Communications Commission (FCC) Covered List requirements, as outlined in FCC 22-84 and KDB 986446. Specifically, the undersigned certifies that the equipment for which authorization is sought: 1. Does not contain cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors, assignees, parents, subsidiaries, affiliates, or any entity that has rebranded or relabeled software produced by the aforementioned entities. 2. Does not have the capability to store, run, or deliver any software identified on the FCC Covered List, including but not limited to cybersecurity and anti-virus software. To support this attestation, the appendix evaluation documentation has been prepared and is included in the certification filing. This attestation is based on a thorough evaluation of the device's design, functionality, and software environment. The undersigned affirms that the information provided is accurate and complete to the best of their knowledge. Sincerely yours, Applicant Signature Printed Name: Xianping Sun Title: General Manager Address: F19, BLD No.1, Kaidaer Tongsha Rd No.168, Xili Street, Nanshan, Shenzhen, China Tel.: +86-752-5192091 Email: [email protected] SHENZHEN POWEROAK NEWENER CO., LTD F19, BLD No.1, Kaidaer Tongsha Rd No.168, Xili Street, Nanshan, Shenzhen, China 2 | P a g e Evaluation regarding to the Covered List Software: Compliance Methodology Evaluation Process Results Device is Inherent compliance ☒ The Chipset(s) used is limited to run the Cybersecurity or anti-virus software. Compliance ☒ The Memory used is limited to run the Cybersecurity or anti-virus software. Compliance ☒ There is storage capacity limitation for store or install the Cybersecurity or anti-virus software. Compliance ☒ Operating system used is limited to run, install or deliver the Cybersecurity or anti-virus software. Compliance Device is not Inherent compliance ☐ Evaluation Based on Software Bill of Materials (SBoM) See attached “SBoM“ Note:The SBoM content is limited to the scope of covered list software (e.g. antivirus and cybersecurity software). ☐ Evaluation Based on Scan for Software on the device ☐ Evaluation Based on Filesystem scan ☐ Evaluation Based on Running software check

SHENZHEN POWEROAK NEWENER CO., LTD F19, BLD No.1, Kaidaer Tongsha Rd No.168, Xili Street, Nanshan, Shenzhen, China Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Nov. 10, 2025 Subject; Request for Confidentiality FCC ID: 2AYT3-FRIDGEPOWER 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 Operational Description Parts List 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. Sincerely, Signature: Name: Xianping Sun Title: General Manager

SHENZHEN POWEROAK NEWENER CO., LTD F19, BLD No.1, Kaidaer Tongsha Rd No.168, Xili Street, Nanshan, Shenzhen, China (Nov. 10, 2025) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: 2AYT3-FRIDGEPOWER I, the undersigned, hereby authorize (Attestation of Global Compliance (Shenzhen) Co., Ltd) to act on our behalf in all matters relating to this application for equipment certification. Any act carried out by (Attestation of Global Compliance (Shenzhen) Co., Ltd) shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with (SHENZHEN POWEROAK NEWENER CO., LTD). We certify that we are not subject to a denial of federal benefits that includes FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862, and that no party to the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, (Signature) (Xianping Sun) (General Manager) Tel: +86-752-5192091 Fax: / Email: [email protected]

ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD. Suite 204, Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai 201203, China Oct . 29 , 202 5 FederalCommunications Commission EquipmentAut horization Division 7435 OaklandMills Road Columbia,MD 21046 US A Attn: OET Dept . ModuleFCC ID: 2A C7Z -E SPS3W RO OM1 Dear Sir/ Madam, This let ter aut horizesthe representat ive of " SHE NZ HE N POWERO AK NE WENE R CO ., LT D " to quot e the dat a of the modulecert if icat ion FCC ID: 2A C7Z -E SPS3W RO OM1. This licenseappliesto " ESPRE SSIF SYSTEMS (S HA NG HA I) CO ., LT D. " for " 2. 4G Hz Wi-F i & BT IoT Module". and FCC ID: 2A C7Z - ESPS3W RO OM1. We are awarethat “ SHE NZ HE N POWERO AK NE WENE R CO ., LT D ” int ends to market the aboveref erencedproductunder their own FCC ID: 2A YT3-F RI DG EPOWER. As the wirelessmoduleof the producthas undergoneFCC cert if icat ion, the test dat a of this moduleis ref erencedin this finishedproduct. The ref erenceddat a is as follows : RF Test ing Dat a. Sincerely, Signat ure Mia Zhou Cert if icat ion Engineer ESPRE SSIF SYSTEMS (S HA NG HA I) CO ., LT D.

FCC IC Label Location

Sporton International Inc. (Kunshan) Page Number : 1 of 8 TEL : 86-512-57900158 / FAX : 86-512-57900958 Report Issued Date : Jan. 14, 2022 FCC ID : 2AC7Z-ESPS3WROOM1 Report Version : Rev. 01 RF Exposure Evaluation Report Report No. : FA1N0920 RF Exposure Evaluation Report APPLICANT : Espressif Systems (Shanghai) Co.,Ltd. EQUIPMENT BRAND NAME : : 2.4GHz Wi-Fi & BT IoT Module ESPRESSIF MODEL NAME : ESP32-S3-WROOM-1 FCC ID : 2AC7Z-ESPS3WROOM1 STANDARD : 47 CFR Part 2.1091 FCC KDB 447498 D01 v06 We, Sporton International Inc. (Kunshan), would like to declare that the device has been evaluated in accordance with 47 CFR Part 2.1091 and FCC KDB 447498 D01 v06, and pass the limit. Without written approval of Sporton International Inc. (Kunshan), the test report shall not be reproduced except in full. Reviewed by: Tony Zhang / Supervisor Approved by: Kat Yin / Manager Sporton International Inc. (Kunshan) No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Sporton International Inc. (Kunshan) Page Number : 2 of 8 TEL : 86-512-57900158 / FAX : 86-512-57900958 Report Issued Date : Jan. 14, 2022 FCC ID : 2AC7Z-ESPS3WROOM1 Report Version : Rev. 01 RF Exposure Evaluation Report Report No. : FA1N0920 Table of Contents 1. ADMINISTRATION DATA ........................................................................................................................... 4 1.1. Testing Laboratory ............................................................................................................................. 4 2. DESCRIPTION OF EQUIPMENT UNDER TEST (EUT) ............................................................................. 5 3. MAXIMUM RF AVERAGE OUTPUT POWER AMONG PRODUCTION UNITS ........................................ 6 4. RF EXPOSURE LIMIT INTRODUCTION .................................................................................................... 7 5. RADIO FREQUENCY RADIATION EXPOSURE EVALUATION ............................................................... 8 5.1. Standalone Power Density Calculation ............................................................................................. 8 Sporton International Inc. (Kunshan) Page Number : 3 of 8 TEL : 86-512-57900158 / FAX : 86-512-57900958 Report Issued Date : Jan. 14, 2022 FCC ID : 2AC7Z-ESPS3WROOM1 Report Version : Rev. 01 RF Exposure Evaluation Report Report No. : FA1N0920 Revision History REPORT NO. VERSION DESCRIPTION ISSUED DATE FA1N0920 Rev. 01 Initial issue of report Jan. 14, 2022 Sporton International Inc. (Kunshan) Page Number : 4 of 8 TEL : 86-512-57900158 / FAX : 86-512-57900958 Report Issued Date : Jan. 14, 2022 FCC ID : 2AC7Z-ESPS3WROOM1 Report Version : Rev. 01 RF Exposure Evaluation Report Report No. : FA1N0920 1. Administration Data 1.1. Testing Laboratory Sporton International Inc. (Kunshan) is accredited to ISO/IEC 17025:2017 by American Association for Laboratory Accreditation with Certificate Number 5145.02. Testing Laboratory Test Firm Sporton International Inc. (Kunshan) Test Site Location No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China TEL : +86-512-57900158 FAX : +86-512-57900958 Test Site No. Sporton Site No. FCC Designation No. FCC Test Firm Registration No. SAR01-KS CN1257 314309 Applicant Company Name Espressif Systems (Shanghai) Co.,Ltd. Address Suite 204, Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China Manufacturer Company Name Espressif Systems (Shanghai) Co.,Ltd. Address Suite 204, Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China Sporton International Inc. (Kunshan) Page Number : 5 of 8 TEL : 86-512-57900158 / FAX : 86-512-57900958 Report Issued Date : Jan. 14, 2022 FCC ID : 2AC7Z-ESPS3WROOM1 Report Version : Rev. 01 RF Exposure Evaluation Report Report No. : FA1N0920 2. Description of Equipment Under Test (EUT) Product Feature & Specification EUT Type 2.4GHz Wi-Fi & BT IoT Module Brand Name ESPRESSIF Model Name ESP32-S3-WROOM-1 FCC ID 2AC7Z-ESPS3WROOM1 Wireless Technology and Frequency Range WLAN 2.4GHz Band: 2412 MHz ~ 2462 MHz Bluetooth: 2402 MHz ~ 2480 MHz Mode WLAN 2.4GHz : 802.11b/g/n/ HT20/ HT40 Bluetooth LE Antenna Type Bluetooth: PCB Antenna WLAN: PCB Antenna Antenna gain WWAN antenna with 3.26dBi Bluetooth antenna with 3.26dBi HW Version V1.3 SW Version V1.1.3.4 EUT Stage Identical Prototype Remark: 1. The above EUT's information was declared by manufacturer. Please refer to the specifications or user's manual for more detailed description. Comments and Explanations: 1. The declared of product specification for EUT presented in the report are provided by the manufacturer, and the manufacturer takes all the responsibilities for the accuracy of product specification. 2. The maximum RF output tune up power, antenna gain also the safe distance used for evaluate RF exposure were declared by manufacturer. Sporton International Inc. (Kunshan) Page Number : 6 of 8 TEL : 86-512-57900158 / FAX : 86-512-57900958 Report Issued Date : Jan. 14, 2022 FCC ID : 2AC7Z-ESPS3WROOM1 Report Version : Rev. 01 RF Exposure Evaluation Report Report No. : FA1N0920 3. Maximum RF Tune Up power among production units <Bluetooth> Mode Maximum Average Power (dBm) Bluetooth LE 10.0 <WLAN 2.4GHz Mode> Mode Maximum Average Power (dBm) 2.4GHz 802.11b 20.50 802.11g 20.00 802.11n-HT20 19.00 802.11n-HT40 18.50 Sporton International Inc. (Kunshan) Page Number : 7 of 8 TEL : 86-512-57900158 / FAX : 86-512-57900958 Report Issued Date : Jan. 14, 2022 FCC ID : 2AC7Z-ESPS3WROOM1 Report Version : Rev. 01 RF Exposure Evaluation Report Report No. : FA1N0920 4. RF Exposure Limit Introduction According to ANSI/IEEE C95.1-1992, the criteria listed in Table 1 shall be used to evaluate the environmental impact of human exposure to radio frequency (RF) radiation as specified in §1.1310. The MPE was calculated at 20 cm to show compliance with the power density limit. The foll…

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Page 1 of 10 RF Exposure Report Report No.: AGC12447250704FH01 FCC ID : 2AYT3-FRIDGEPOWER APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Portable Power Station BRAND NAME : BLUETTI MODEL NAME : FridgePower APPLICANT : SHENZHEN POWEROAK NEWENER CO., LTD DATE OF ISSUE : Nov. 06, 2025 STANDARD(S) : FCC Part 2 Subpart J §2.1091 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC12447250704FH01 Page 2 of 10 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Nov. 06, 2025 Valid Initial Release Report No.: AGC12447250704FH01 Page 3 of 10 Table of Contents 1. General Information ........................................................................................................................................ 4 2. Product Information ........................................................................................................................................ 5 2.1 Product Technical Description ................................................................................................................... 5 3. Test Environment ............................................................................................................................................ 6 3.1 Address Of The Test Laboratory ............................................................................................................... 6 3.2 Test Facility ................................................................................................................................................ 6 3.3 Environmental Conditions ......................................................................................................................... 7 4. Mobile Device Evaluation Method and Limit ................................................................................................ 8 5. Measurement Results ..................................................................................................................................... 9 6. Measurement Evaluation ................................................................................................................................ 9 Report No.: AGC12447250704FH01 Page 4 of 10 1. General Information Applicant SHENZHEN POWEROAK NEWENER CO., LTD Address F19, BLD No.1, Kaidaer Tongsha Rd No.168, Xili Street, Nanshan, Shenzhen, China Manufacturer SHENZHEN POWEROAK NEWENER CO., LTD Address F19, BLD No.1, Kaidaer Tongsha Rd No.168, Xili Street, Nanshan, Shenzhen, China Factory Huizhou PowerOak Innovation Co., Ltd Address (No.1 Workshop) Longsheng 5th Road, Laoshe Village, Dayawan West Zone, Huizhou, Guangdong, China Product Designation Portable Power Station Brand Name BLUETTI Test Model FridgePower Series Model(s) N/A Difference Description N/A Date of receipt of test item Sep. 29, 2025 Date of Test Sep. 29, 2025 to Nov. 06, 2025 Deviation from Standard No any deviation from the test method Condition of Test Sample Normal Test Result Pass Test Report Form No AGCER-FCC-RF Exposure-V1 Note: The test results of this report relate only to the tested sample identified in this report. Prepared By Cici Li (Project Engineer) Nov. 06, 2025 Reviewed By Bibo Zhang (Reviewer) Nov. 06, 2025 Approved By Angela Li (Authorized Officer) Nov. 06, 2025 Report No.: AGC12447250704FH01 Page 5 of 10 2. Product Information 2.1 Product Technical Description Frequency Band (Operating) WLAN:2412MHz ~ 2462MHz Bluetooth: 2.402GHz ~ 2.480GHz Hardware Version 19.0103.0259-03 Software Version 25.0301.10013.01-09 Modulation Type BT: BLE GFSK 1Mbps GFSK 2Mbps 2.4G WIFI: 802.11b:(DQPSK, DBPSK, CCK) DSSS 802.11g/n:(64-QAM,16-QAM, QPSK, BPSK) OFDM RF Output Power (Peak) BT: BLE GFSK 1Mbps: 9.86dBm; BLE GFSK 2Mbps:10.39dBm; 2.4G WIFI: IEEE 802.11b:22.77dBm; IEEE 802.11g:25.56dBm; IEEE 802.11n(HT20):25.32dBm; IEEE 802.11n(HT40):25.22dBm E.I.R.P. (Peak) BT: BLE GFSK 1Mbps: 13.12dBm; BLE GFSK 2Mbps:13.65dBm; 2.4G WIFI: IEEE 802.11b:26.03dBm; IEEE 802.11g:28.82dBm; IEEE 802.11n(HT20):28.58dBm; IEEE 802.11n(HT40):28.48dBm Device Category Portable (<20cm separation) Mobile (>20cm separation) Others: Antenna Diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Antenna Designation PCB Antenna Antenna Gain 3.26dBi Minimum Assessment Distance 20cm Evaluation Applied MPE Evaluation SAR Evaluation Report No.: AGC12447250704FH01 Page 6 of 10 3. Test Environment 3.1 Address Of The Test Laboratory Laboratory: Attestation of Global Compliance (Shenzhen) Co., Ltd. Address: 1-2/F, Building 19, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 3.2 Test Facility The test facility is recognized, certified, or accredited by the following organizations: CNAS-Lab Code: L5488 Attestation of Global Compliance (Shenzhen) Co., Ltd. has been assessed and proved to follow CNAS-CL01 Accreditation Criteria for Testing and Calibration Laboratories (identical to ISO/IEC17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories.) A2LA-Lab Cert. No.: 5054.02 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been accredited by A2LA for technical competence in the field of electrical testing, and proved to follow ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories and any additional program requirements in the identified field of testing. FCC-Registration No.: 975832 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the FCC (Federal Communications Commission). The acceptance letter from the FCC is maintained in our files with Registration 975832. IC-Registration No.: 24842(CAB identifier: CN0063) Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the Certification and …

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Sporton International Inc. (Kunshan) Page Number : 1 of 43 TEL : +86-512-57900158 Report Issued Date : Jan. 14, 2022 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AC7Z-ESPS3WROOM1 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR1N0920A FCC RF Test Report APPLICANT : Espressif Systems (Shanghai) Co.,Ltd. EQUIPMENT : 2.4GHz Wi-Fi & BT IoT Module BRAND NAME : ESPRESSIF MODEL NAME : ESP32-S3-WROOM-1 FCC ID : 2AC7Z-ESPS3WROOM1 STANDARD : FCC Part 15 Subpart C §15.247 CLASSIFICATION : (DTS) Digital Transmission System TEST DATE(S) : Dec. 27, 2021 ~ Jan. 12, 2022 We, Sporton International Inc. (Kunshan), would like to declare that the tested sample has been evaluated in accordance with the test procedures and has been in compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval of Sporton International Inc. (Kunshan), the test report shall not be reproduced except in full. Reviewed by: Jason Jia / Supervisor Approved by: Alex Wang / Manager Sporton International Inc. (Kunshan) No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Sporton International Inc. (Kunshan) Page Number : 2 of 43 TEL : +86-512-57900158 Report Issued Date : Jan. 14, 2022 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AC7Z-ESPS3WROOM1 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR1N0920A TABLE OF CONTENTS REVISION HISTORY .......................................................................................................................................... 3 SUMMARY OF TEST RESULT ......................................................................................................................... 4 1 GENERAL DESCRIPTION .......................................................................................................................... 5 1.1 Applicant ............................................................................................................................................ 5 1.2 Manufacturer ...................................................................................................................................... 5 1.3 Product Feature of Equipment Under Test ........................................................................................ 5 1.4 Product Specification of Equipment Under Test ................................................................................ 5 1.5 Modification of EUT ........................................................................................................................... 5 1.6 Testing Location ................................................................................................................................ 6 1.7 Test Software ..................................................................................................................................... 6 1.8 Applicable Standards ......................................................................................................................... 6 2 TEST CONFIGURATION OF EQUIPMENT UNDER TEST ........................................................................ 7 2.1 Carrier Frequency Channel ............................................................................................................... 7 2.2 Test Mode .......................................................................................................................................... 8 2.3 Connection Diagram of Test System ................................................................................................. 9 2.4 Support Unit used in test configuration and system .......................................................................... 9 2.5 EUT Operation Test Setup ................................................................................................................ 9 2.6 Measurement Results Explanation Example ................................................................................... 10 3 TEST RESULT .......................................................................................................................................... 11 3.1 6dB and 99% Bandwidth Measurement .......................................................................................... 11 3.2 Output Power Measurement ............................................................................................................ 18 3.3 Power Spectral Density Measurement ............................................................................................ 19 3.4 Conducted Band Edges and Spurious Emission Measurement ..................................................... 26 3.5 Radiated Band Edges and Spurious Emission Measurement ........................................................ 35 3.6 AC Conducted Emission Measurement........................................................................................... 39 3.7 Antenna Requirements .................................................................................................................... 41 4 LIST OF MEASURING EQUIPMENT ........................................................................................................ 42 5 UNCERTAINTY OF EVALUATION ........................................................................................................... 43 APPENDIX A. CONDUCTED TEST RESULTS APPENDIX B. AC CONDUCTED EMISSION TEST RESULT APPENDIX C. RADIATED SPURIOUS EMISSION APPENDIX D. RADIATED SPURIOUS EMISSION PLOTS APPENDIX E. DUTY CYCLE PLOTS APPENDIX F. SETUP PHOTOGRAPHS Sporton International Inc. (Kunshan) Page Number : 3 of 43 TEL : +86-512-57900158 Report Issued Date : Jan. 14, 2022 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AC7Z-ESPS3WROOM1 Report Template No.: BU5-FR15CBT4.0 Version 2.0 FCC RF Test Report Report No. : FR1N0920A R…

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Sporton International Inc. (Kunshan) Page Number : 1 of 39 TEL : +86-512-57900158 Report Issued Date : Jan. 14, 2022 FAX : +86-512-57900958 Report Version : Rev. 01 FCC ID: 2AC7Z-ESPS3WROOM1 Report Template No.: BU5-FR15CWL AC MA Version 2.0 FCC RF Test Report Report No. : FR1N0920B FCC RF Test Report APPLICANT : Espressif Systems (Shanghai) Co.,Ltd. EQUIPMENT : 2.4GHz Wi-Fi & BT IoT Module BRAND NAME : ESPRESSIF MODEL NAME : ESP32-S3-WROOM-1 FCC ID : 2AC7Z-ESPS3WROOM1 STANDARD : FCC Part 15 Subpart C §15.247 CLASSIFICATION : (DTS) Digital Transmission System TEST DATE(S) : Dec. 27, 2021 ~ Dec. 31, 2021 We, Sporton International Inc. (Kunshan), would like to declare that the tested sample has been evaluated in accordance with the test procedures and has been in compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval of Sporton International Inc. (Kunshan), the test report shall not be reproduced except in full. Reviewed by: Jason Jia / Supervisor Approved by: Alex Wang / Manager Sporton International Inc. (Kunshan) No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Sporton International Inc. (Kunshan) Page Number : 2 of 39 TEL : +86-512-57900158 Report Issued Date : Ja…

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