2APN5-BRIDGEMSmart Home Bridge

Shenzhen Sonoff Technologies Co., Ltd. 2026-05-15 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2A PN5-BRIDGEM) [Shenzhen Sonoff Technologies Co., Ltd.] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, Stan Li Manager Shenzhen Sonoff Technologies Co., Ltd. 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Shenzhen Sonoff Technologies Co., Ltd. 2026-05-15 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2APN5-BRIDGEM) [Shenzhen Sonoff Technologies Co., Ltd.] (“th e 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. Sincerely, Stan Li Manager Shenzhen Sonoff Technologies Co., Ltd. 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China

AttestationStatements (2026-05-15) TO:FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046,USA RE:AttestationStatementsPart2.911(d)(7)requestfor(FCCID:2APN5-BRIDGEM) (ShenzhenSonoffTechnologiesCo.,Ltd.),theundersigned,herebyauthorize(SONOFF TECHNOLOGYLLC)toactasourdesignatedU.S.agentforserviceofprocess,(Shenzhen SonoffTechnologiesCo.,Ltd.)acceptstomaintainanagentfornolessthanoneyear afterthegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment. (SONOFFTECHNOLOGYLLC)acceptstheresponsibilitytoactasdesignatedU.S.agent forserviceofprocess. ApplicantInformation： Companyname:ShenzhenSonoffTechnologiesCo.,Ltd. ContactName:StanLi Address:3F&6F,BldgA,No.663,BulongRd,Shenzhen,Guangdong,China FRN:0027467786 TelephoneNo:0755-29610458 Email:[email protected] Signature [StanLi] U.S.AgentInformation: CompanyName:SONOFFTECHNOLOGYLLC Address:14777NE40thSt,Suite201Bellevue,WA98007 FRN:0035597152 ContactName:KEBINZHANG TelephoneNo:4256238360 Email:[email protected] Signature [KEBINZHANG]

Shenzhen Sonoff Technologies Co., Ltd. 2026-05-15 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Guangdong Global Testing Technology Co., Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Stan Li Manager Shenzhen Sonoff Technologies Co., Ltd. 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China

Shenzhen Sonoff Technologies Co., Ltd. 2026-05-15 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (EUT Name: Smart Home Bridge /Model: Bridge-M /FCC ID: 2APN5-BRIDGEM) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Block Diagram, Operational Description, Schematics, FCC SW SECURITY DESCRIPTION) required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Stan Li Manager Shenzhen Sonoff Technologies Co., Ltd. 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China

External Photographs View of EUT-1 View of EUT-2 Page 2 of 4 View of EUT-3 View of EUT-4 Page 3 of 4 View of EUT-5 View of EUT-6 Page 4 of 4 View of EUT-7

变更内容 日期 变更者 版本 8 A B 765432 1 910111213141516 C D E F G H I J K L 1 2 指定公差等级A 0<L≤3 ±0.05 制图 \P日 期 审核 日期 批准 \P日 期 李文博 2026/02/26 单位 比例 图框 物料编码： 3<L≤6 ±0.1 6<L≤16 ±0.15 ±0.2 30<L≤120 ±0.25 120<L≤315 ±0.3 87654321910111213141516 A B C D E F G H I J K L 16<L≤30 1:1A5MM V1.1 第1/1页 图号 版本 物料名称： Bridge-M底壳 测试要求 测试项 测试项 测试要求 低温存储(-40°C) 冷热冲击(-40~70°C) 百格测试 RCA试验(100圈/150圈..) 铅笔硬度测试(3H/4H..) 酒精耐摩擦测试 □ □ □ □ □ 球压试验(125°C/70°C) 灼热丝试验(850°C/650°C) UV老化测试(72H/48H) 冰醋酸测试(3min/5min) 盐雾试验(24/36/48H..) 高温存储(70°C) □ □ □ □ □ RoHS检测 签样图纸，初版发放 26/02/26 李文博 投影 视角 镭雕/丝印附着力测试 □□ 颜色要求 潘通号 颜色坐标值 材质品牌型号 比例 阻燃等级 □ 达因值(32/34/36dyn/cm) □ □ □ 22.70 mm 3 5 . 8 1 m m 2 1 . 8 2 m m 22.51 mm 1 字体：open sans semibold(sonoff主用的) 镭雕位置镭雕内容

Internal Photographs Internal View of EUT-1 Internal View of EUT-2 Page 2 of 4 Internal View of EUT-3 Internal View of EUT-4 WIFI Antenna BLE Antenna Zigbee Antenna Page 3 of 4 Internal View of EUT-5 Internal View of EUT-6 Page 4 of 4 Internal View of EUT-7

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 ß1.1307(b) FCC ID: 2APN5-BRIDGEM EUT Specification EUT Smart Home Bridge Frequency band (Operating) BLE: 2.402GHz ~ 2.480GHz Zigbee: 2.405GHz ~ 2.480GHz WIFI: 2.412GHz ~ 2.462GHz WIFI: 5.180GHz ~ 5.240GHz WIFI: 5.745GHz ~ 5.825GHz Device category Portable (<20cm separation) Mobile (>20cm separation) Exposure classification Occupational/Controlled exposure (S = 5mW/cm 2 ) General Population/Uncontrolled exposure (S=1mW/cm 2 ) Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Max. output power BLE: 3.4 dBm Zigbee: 9.95 dBm 2.4G WIFI: IEEE 802.11b: 13.69 dBm IEEE 802.11g: 13.01 dBm IEEE 802.11n-HT20: 12.95 dBm IEEE 802.11n-HT40: 13.13 dBm IEEE 802.11ax HE20: 12.97 dBm IEEE 802.11ax HE40: 12.17 dBm 5G WIFI: U-NII-1 IEEE 802.11a: 15.11 dBm IEEE 802.11n HT20: 13.80 dBm IEEE 802.11n HT40: 12.67 dBm IEEE 802.11ac VHT20: 13.03 dBm IEEE 802.11ac VHT40: 12.66 dBm IEEE 802.11ax HE20: 12.95 dBm IEEE 802.11ax HE40: 11.87 dBm U-NII-3 IEEE 802.11a: 14.22 dBm IEEE 802.11n HT20: 13.21 dBm IEEE 802.11n HT40: 12.41 dBm IEEE 802.11ac VHT20: 12.24 dBm IEEE 802.11ac VHT40: 11.61 dBm IEEE 802.11ax HE20: 12.29 dBm IEEE 802.11ax HE40: 11.79 dBm Antenna gain (Max) BLE: 2.67dBi Zigbee: 2.67dBi 2.4G WIFI: 1.3dBi 5G WIFI: 2.4dBi Evaluation applied MPE Evaluation SAR Evaluation Limits for Maximum Permissible Exposure(MPE) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 Friis transmission formula: P d =(P out *G)\(4*pi*R 2 ) Where P d = Power density in mW/cm 2 , P out =output power to antenna in mW. G= gain of antenna in linear scale, Pi=3.1416 R= distance between observation point and center of the radiator in cm=20cm P d the limit of MPE, 1mW/cm 2 . 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. For multiple RF sources: Multiple RF sources are exempt if: in the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation Evaluated k : the maximum reported SAR or MPE of fixed, mobile, or portable RF source k either in the device or at the transmitter site from an existing evaluation at the location of exposure. Exposure Limit k : either the general population/uncontrolled maximum permissible exposure (MPE) or specific Absorption rate (SAR) limit for each fixed, mobile, or portable RF source k. Measurement Result BLE: Mode Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power(dBm) Output Peak power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm 2 ) Power density Limits (mW/ cm 2 ) BLE 1M 3.4 3±1 4 2.519 2.67 1.849 0.000924 1 Zigbee: Mode Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power(dBm) Output Peak power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm 2 ) Power density Limits (mW/ cm 2 ) O-QPSK 9.95 9±1 10 10 2.67 1.849 0.003678 1 2.4G WIFI: Mode Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power(dBm) Output Peak power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm 2 ) Power density Limits (mW/ cm 2 ) 802.11b 13.69 13±1 14 25.119 1.3 1.349 0.006741 1 802.11g 13.01 13±1 14 25.119 1.3 1.349 0.006741 1 802.11n HT20 12.95 12±1 13 19.953 1.3 1.349 0.005355 1 802.11n HT40 13.13 13±1 14 25.119 1.3 1.349 0.006741 1 802.11ax HE20 12.97 12±1 13 19.953 1.3 1.349 0.005355 1 802.11ax HE40 12.17 12±1 13 19.953 1.3 1.349 0.005355 1 5G WIFI: U-NII-1 Mode Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power(dBm) Output Peak power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm 2 ) Power density Limits (mW/ cm 2 ) 802.11a 15.11 15±1 16 39.810 2.4 1.738 0.013765 1 802.11n HT20 13.80 13±1 14 25.119 2.4 1.738 0.008685 1 802.11n HT40 12.67 12±1 13 19.953 2.4 1.738 0.006899 1 802.11ac VHT20 13.03 13±1 14 25.119 2.4 1.738 0.008685 1 802.11ac VHT40 12.66 12±1 13 19.953 2.4 1.738 0.006899 1 802.11ax HE20 12.95 12±1 13 19.53 2.4 1.738 0.006899 1 802.11ax HE40 11.87 11±1 12 15.849 2.4 1.738 0.005480 1 U-NII-3 Mode Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power(dBm) Output Peak power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm 2 ) Power density Limits (mW/ cm 2 ) 802.11a 14.22 14±1 15 31.623 2.4 1.738 0.010934 1 802.11n HT20 13.21 13±1 14 25.119 2.4 1.738 0.008685 1 802.11n HT40 12.41 12±1 13 19.953 2.4 1.738 0.006899 1 802.11ac VHT20 12.24 12±1 13 19.953 2.4 1.738 0.006899 1 802.11ac VHT40 11.61 11±1 12 15.849 2.4 1.738 0.005480 1 802.11ax HE20 12.29 12±1 13 19.953 2.4 1.738 0.006899 1 802.11ax HE40 11.79 11±1 12 15.849 2.4 1.738 0.005480 1 Maximum Simultaneous transmission MPE Ratio for BLE & Zigbee & 2.4G WIFI & 5G WIFI Maximum MPE ratio (BLE) Maximum MPE ratio (Zigbee) Maximum MPE ratio (2.4G WIFI) Maximum MPE ratio (5G WIFI) ∑ MPE ratios Limit Results 0.000924 0.003678 0.006741 0.0137685 0.025112 1.000 Pass Signature: Alan He Date: 2026-5-11

TRF No.: 04-E001-0B TRF Originator: GTG TRF Date: 2023-12-13 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C(DTS) TEST REPORT For Smart Home Bridge MODEL NUMBER: Bridge-M REPORT NUMBER: E04A26030071F00501 ISSUE DATE: May 9, 2026 FCC ID:2APN5-BRIDGEM Prepared for Shenzhen Sonoff Technologies Co., Ltd. 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report is based on a single evaluation of the submitted sample(s) of the above mentioned product, it does not imply an assessment of the production of the products. This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A26030071F00501 Page 2 of 72 TRF No.: 04-E001-0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 May 9, 2026 Initial Issue REPORT NO.: E04A26030071F00501 Page 3 of 72 TRF No.: 04-E001-0B Global Testing , Great Quality. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2020, Clause 6.2 FCC Part 15.207 Pass Conducted Output Power ANSI C63.10-2020, Clause 11.9.1.3 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020, Clause 11.8.1 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2020, Clause 11.10.2 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2020, Clause 11.11 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020, Clause 11.11 & Clause 11.12 FCC Part 15.205/15.209 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C(DTS)> when <Accuracy Method> decision rule is applied. REPORT NO.: E04A26030071F00501 Page 4 of 72 TRF No.: 04-E001-0B Global Testing , Great Quality. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 5 2. TEST METHODOLOGY ......................................................................................................... 6 3. FACILITIES AND ACCREDITATION ..................................................................................... 6 4. CALIBRATION AND UNCERTAINTY ................................................................................... 7 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 7 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 7 5. EQUIPMENT UNDER TEST .................................................................................................. 8 5.1. DESCRIPTION OF EUT ........................................................................................... 8 5.2. CHANNEL LIST ........................................................................................................ 8 5.3. MAXIMUM PEAK OUTPUT POWER ........................................................................ 9 5.4. TEST CHANNEL CONFIGURATION ........................................................................ 9 5.5. THE WORSE CASE POWER SETTING PARAMETER ............................................ 9 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ........................................................... 9 5.7. EUT ACCESSORY ................................................................................................. 10 5.8. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 10 5.9. SETUP DIAGRAM .................................................................................................. 11 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 12 7. ANTENNA PORT TEST RESULTS ..................................................................................... 14 7.1. Conducted Output Power ........................................................................................ 14 7.2. 6dB Bandwidth ........................................................................................................ 15 7.3. Power Spectral Density ........................................................................................... 16 7.4. Conducted Band edge and spurious emission ........................................................ 17 7.5. Duty Cycle .............................................................................................................. 19 8. RADIATED TEST RESULTS ............................................................................................... 20 8.1. Radiated Band edge and Spurious Emission .......................................................... 25 9. ANTENNA REQUIREMENT ................................................................................................ 37 10. AC POWER LINE CONDUCTED EMISSION ......................................................... 38 11. TEST DATA - Appendix A ..................................................................................... 41 REPORT NO.: E04A26030071F00501 Page 5 of 72 TRF No.: 04-E001-0B Global Testing , Great Quality. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: Shenzhen Sonoff Technologies Co., Ltd. Address: 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Manufacturer Information Company Name: Shenzhen Sonoff Technologies Co., Ltd. Address: 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China EUT Information Product Description: Smart Hom…

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TRF No.: 04-E001-0B TRF Originator: GTG TRF Date: 2023-12-13 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C(DTS) TEST REPORT For Smart Home Bridge MODEL NUMBER: Bridge-M REPORT NUMBER: E04A26030071F00502 ISSUE DATE: May 9, 2026 FCC ID:2APN5-BRIDGEM Prepared for Shenzhen Sonoff Technologies Co., Ltd. 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report is based on a single evaluation of the submitted sample(s) of the above mentioned product, it does not imply an assessment of the production of the products. This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A26030071F00502 Page 2 of 61 TRF No.: 04-E001-0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 May 9, 2026 Initial Issue REPORT NO.: E04A26030071F00502 Page 3 of 61 TRF No.: 04-E001-0B Global Testing , Great Quality. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2020, Clause 6.2 FCC Part 15.207 Pass Conducted Output Power ANSI C63.10-2020, Clause 11.9.1.3 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020, Clause 11.8.1 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2020, Clause 11.10.2 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2020, Clause 11.11 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020, Clause 11.11 & Clause 11.12 FCC Part 15.205/15.209 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C(DTS)> when <Accuracy Method> decision rule is applied. REPORT NO.: E04A26030071F00502 Page 4 of 61 TRF No.: 04-E001-0B Global Testing , Great Quality. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 5 2. TEST METHODOLOGY ......................................................................................................... 6 3. FACILITIES AND ACCREDITATION ..................................................................................... 6 4. CALIBRATION AND UNCERTAINTY ................................................................................... 7 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 7 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 7 5. EQUIPMENT UNDER TEST .................................................................................................. 8 5.1. DESCRIPTION OF EUT ........................................................................................... 8 5.2. CHANNEL LIST ........................................................................................................ 8 5.3. MAXIMUM PEAK OUTPUT POWER ........................................................................ 9 5.4. TEST CHANNEL CONFIGURATION ........................................................................ 9 5.5. THE WORSE CASE POWER SETTING PARAMETER ............................................ 9 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ........................................................... 9 5.7. EUT ACCESSORY ................................................................................................... 9 5.8. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 10 5.9. SETUP DIAGRAM .................................................................................................. 10 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 11 7. ANTENNA PORT TEST RESULTS ..................................................................................... 13 7.1. Conducted Output Power ........................................................................................ 13 7.2. 6dB Bandwidth ........................................................................................................ 14 7.3. Power Spectral Density ........................................................................................... 15 7.4. Conducted Band edge and spurious emission ........................................................ 16 7.5. Duty Cycle .............................................................................................................. 18 8. RADIATED TEST RESULTS ............................................................................................... 19 8.1. Radiated Band edge and Spurious Emission .......................................................... 24 9. ANTENNA REQUIREMENT ................................................................................................ 36 10. AC POWER LINE CONDUCTED EMISSION ......................................................... 37 11. TEST DATA - Appendix A ..................................................................................... 40 REPORT NO.: E04A26030071F00502 Page 5 of 61 TRF No.: 04-E001-0B Global Testing , Great Quality. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: Shenzhen Sonoff Technologies Co., Ltd. Address: 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Manufacturer Information Company Name: Shenzhen Sonoff Technologies Co., Ltd. Address: 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China EUT Information Product Description: Smart Ho…

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TRF No.: 04-E001-0B TRF Originator: GTG TRF Date: 2023-12-13 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C(DTS) TEST REPORT For Smart Home Bridge MODEL NUMBER: Bridge-M REPORT NUMBER: E04A26030071F00503 ISSUE DATE: May 9, 2026 FCC ID:2APN5-BRIDGEM Prepared for Shenzhen Sonoff Technologies Co., Ltd. 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report is based on a single evaluation of the submitted sample(s) of the above mentioned product, it does not imply an assessment of the production of the products. This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A26030071F00503 Page 2 of 118 TRF No.: 04-E001-0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 May 9, 2026 Initial Issue REPORT NO.: E04A26030071F00503 Page 3 of 118 TRF No.: 04-E001-0B Global Testing , Great Quality. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2020, Clause 6.2 FCC Part 15.207 Pass Conducted Output Power ANSI C63.10-2020, Clause 11.9.1.3 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020, Clause 11.8.1 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2020, Clause 11.10.2 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2020, Clause 11.11 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020, Clause 11.11 & Clause 11.12 FCC Part 15.205/15.209 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C(DTS)> when <Accuracy Method> decision rule is applied. REPORT NO.: E04A26030071F00503 Page 4 of 118 TRF No.: 04-E001-0B Global Testing , Great Quality. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 5 2. TEST METHODOLOGY ......................................................................................................... 6 3. FACILITIES AND ACCREDITATION ..................................................................................... 6 4. CALIBRATION AND UNCERTAINTY ................................................................................... 7 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 7 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 7 5. EQUIPMENT UNDER TEST .................................................................................................. 8 5.1. DESCRIPTION OF EUT ........................................................................................... 8 5.2. CHANNEL LIST ........................................................................................................ 8 5.3. MAXIMUM CONDUCTED OUTPUT POWER ........................................................... 9 5.4. TEST CHANNEL CONFIGURATION ........................................................................ 9 5.5. THE WORSE CASE POWER SETTING PARAMETER ............................................ 9 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ......................................................... 10 5.7. EUT ACCESSORY ................................................................................................. 11 5.8. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 11 5.9. SETUP DIAGRAM .................................................................................................. 12 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 13 7. ANTENNA PORT TEST RESULTS ..................................................................................... 15 7.1. Conducted Output Power ........................................................................................ 15 7.2. 6dB Bandwidth ........................................................................................................ 16 7.3. Power Spectral Density ........................................................................................... 17 7.4. Conducted Band edge and spurious emission ........................................................ 18 7.5. Duty Cycle .............................................................................................................. 20 8. RADIATED TEST RESULTS ............................................................................................... 21 8.1. Radiated Band edge and Spurious Emission .......................................................... 26 9. ANTENNA REQUIREMENT ................................................................................................ 42 10. AC POWER LINE CONDUCTED EMISSION ......................................................... 43 11. TEST DATA - Appendix A ..................................................................................... 46 REPORT NO.: E04A26030071F00503 Page 5 of 118 TRF No.: 04-E001-0B Global Testing , Great Quality. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: Shenzhen Sonoff Technologies Co., Ltd. Address: 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Manufacturer Information Company Name: Shenzhen Sonoff Technologies Co., Ltd. Address: 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China EUT Information Product Description: Smart Home Bri…

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REPORT NO.: E04A26030071F00503 Page 86 of 118 TRF No.: 04-E001-0B Global Testing , Great Quality. PSD NVNT ax40 2437MHz Ant1 PSD NVNT ax40 2452MHz Ant1 REPORT NO.: E04A26030071F00503 Page 87 of 118 TRF No.: 04-E001-0B Global Testing , Great Quality. Band Edge Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -48.04 -30 Pass NVNT b 2462 Ant1 -53.92 -30 Pass NVNT g 2412 Ant1 -33.3 -30 Pass NVNT g 2462 Ant1 -47.82 -30 Pass NVNT n20 2412 Ant1 -32.65 -30 Pass NVNT n20 2462 Ant1 -48.14 -30 Pass NVNT n40 2422 Ant1 -31.96 -30 Pass NVNT n40 2452 Ant1 -45.83 -30 Pass NVNT ax20 2412 Ant1 -32.14 -30 Pass NVNT ax20 2462 Ant1 -47.79 -30 Pass NVNT ax40 2422 Ant1 -34.43 -30 Pass NVNT ax40 2452 Ant1 -44.26 -30 Pass REPORT NO.: E04A26030071F00503 Page 88 of 118 TRF No.…

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