2APN5-BASIC1GSPMatter Over WiFi Smart Switch

Shenzhen Sonoff Technologies Co., Ltd. 2026-04-30 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: 2APN5- BASIC1GSP) [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. 2026-04-30 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- BASIC1GSP) [Shenzhen Sonoff Technologies 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 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 (2026-02-27) TO:FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046,USA RE:AttestationStatementsPart2.911(d)(7)requestfor(FCCID:2APN5-BASIC1GSP ) (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. 2026-04-30 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. 2026-04-30 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (EUT Name: Matter Over WiFi Smart Switch /Model: BASIC-1GSP /FCC ID: 2APN5-BASIC1GSP) 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) 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 3 View of EUT-3 View of EUT-4 Page 3 of 3 View of EUT-5 View of EUT-6

李文博 2026.03.12 33.00 mm 12.00 mm 8.00 mm 2.04 mm 2.05 mm 注意 字体：CSA Digits 18.19 mm 1.92 mm 主题字体：open sans semibold(sonoff主用的) 1122-541-2347 2 2 . 5 1 m m 4 . 9 8 m m 3.97 mm 3 . 2 6 m m 4.36 mm 1 . 7 4 m m BASIC-1GSP 15.00 mm 1 . 5 0 m m SN码:14位 字体:open sans semibold S/N: 25063500000011 5.17 mm 8.57 mm V1.3 1 . 3 7 m m 1122-541-2347

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 Page 3 of 4 Internal View of EUT-5 Internal View of EUT-6 Page 4 of 4 Internal View of EUT-7 Internal View of EUT-8 Antenna

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-BASIC1GSP EUT Specification EUT Matter Over WiFi Smart Switch Frequency band (Operating) BLE: 2.402GHz ~ 2.480GHz WIFI: 2.412GHz ~ 2.462GHz 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 BLE 1M: 8.94 dBm BLE 2M: 8.23 dBm 2.4G WIFI 802.11b: 13.99 dBm 802.11g: 13.64 dBm 802.11n HT20: 12.35 dBm Antenna gain (Max) 2.78dBi Evaluation applied MPE Evaluation SAR Evaluation Page 2 of 3 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. Page 3 of 3 Measurement Result BLE: Mode Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power(dBm) Output power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm 2 ) Power density Limits (mW/ cm 2 ) BLE 1M 8.94 8±1 9 7.943 2.78 1.897 0.00300 1 BLE 2M 8.23 8±1 9 7.943 2.78 1.897 0.00300 1 2.4G WIFI: Mode Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power(dBm) Output power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm 2 ) Power density Limits (mW/ cm 2 ) 802.11b 13.99 13±1 14 25.119 2.78 1.897 0.00948 1 802.11g 13.64 13±1 14 25.119 2.78 1.897 0.00948 1 802.11n HT20 12.35 12±1 13 19.953 2.78 1.897 0.00753 1 Maximum Simultaneous transmission MPE Ratio for Bluetooth & 2.4G WIFI Maximum MPE ratio (Bluetooth) Maximum MPE ratio (2.4G WIFI) ∑ MPE ratios Limit Results 0.00300 0.00948 0.01248 1.000 Pass Signature: Shawn Wen Date: 2026-4-15

SMD CERAMIC ANTENNA Data Sheet CS-2450-16-B For 2400-2500MHz 1.6x0.8x0.4mm [EIA1608] Chip Antenna Feature nLight weight, compact nWide bandwidth, low cost nBuilt-in antenna with high gain nOperating Temp. : -40°C~+85°C Application nBluetooth nWLAN 2.4 nWiFi 5/6/6E nUWB CS-2450-16-B Electrical Characteristics per line(TA=25°C) Parameter Specification Units Frequency Band 2400~2500 MHz Polarization Linear *Peak Gain 2.78 dBi *Peak Efficiency 80.25 % Impendance 50 Ω Test condition: Test board size 70*60 mm; Matching circuit: Pi matching circuit will be required. Product Dimension TECHNOLOGY Units:mm W A L A H LWHA 1.60±0.200.80±0.200.40±0.100.2±0.07 Recommend PCB Layout1 Chip Antenna Test condition: Test board size 70*60 mm; Top Layer (unit mm) Bottom Layer (unit mm) Feeding line:50Ω Chip Antenna E1(0201) 1.5 3.5 1.0 0.5 0.5 0.5 2.0 E2(0201) 1.5 3.5 2.0 E3(0201) 0.5 TECHNOLOGY ANT 1.1 Note:The spacing between antenna pads should not be ＜ 1.1mm 注意:天线焊盘内间距不能＜1.1mm 6.5 6.5 1.1 0.5 0.8 Recommend PCB Layout2 Chip Antenna Test condition: Test board size 70*60 mm; Chip Antenna TECHNOLOGY Top Layer (unit mm) Bottom Layer (unit mm) Feeding line:50Ω E1(0201) 1.5 2.0 0.5 0.5 0.5 10 1.5 10 E2(0201) E3(0201) 0.5 Note:The spacing between antenna pads should not be ＜ 1.1mm 注意:天线焊盘内间 距不能＜1.1mm 1 . 1 1.1 0.5 0.8 ANT PAD E2(0201) 2.0 1.5 Typical Characteristics Fig. 1 Return Loss Radiation Pattern The Gain pattern is measured in FAR -field chamber. DUT is placed on the table of rotator , a standard horn antenna and Vector Network Analyzer is used to collect data. Fig.2 FAR-field Chamber Chip Antenna TECHNOLOGY Chip Antenna Equivalent circuit: Chip Antenna RF chip ANT E1 E2 E3 Frequency 2400MHz2450MHz2500MHz Avg. gain - 1.92- 1.35- 1.56 Peak gain 1.792.782.66 Efficiency 74.5580.2576.98 Radiation Performance: 2D Gain Pattern X-Y Plane Y-Z Plane X-Z Plane TECHNOLOGY Item Condition Specification Thermal shock 1. 30±3 minutes at -40 ° C±5 ° C , 2. Convert to +105 ° C (5 minutes) 3. 30±3 minutes at +105 ° C±5 ° C , 4. Convert to -40 ° C (5 minutes) 5 . Total 100 continuous cycles No apparent damage Fulfill the electrical spec. after test. Humidity resistance 1. Humidity: 85% R.H. 2 . Temperature: 85±5 ° C 3 . Time: 1000 hours . No apparent damage Fulfill the electrical spec. after test. High temperature resistance No apparent damage Fulfill the electrical spec. after test. 1 . Temperature: 150 ° C±5 ° C 2 . Time: 1000 hours . Low temperature resistance 1 . Temperature: -40 ° C±5 ° C 2 . Time: 1000 hours . No apparent damage Fulfill the electrical spec. after test. Soldering heat resistance 1. Solder bath temperature : 260±5°C 2. Bathing time: 10±1 seconds No apparent damage Solderability The dipped surface of the terminal shall be at least 95% covered with solder after dipped in solder bath of 245±5°C for 3±1 seconds . No apparent damage (2) Storage Condition (a)At warehouse: The temperature should be within 0 ~ 30°C and humidity should be less than 60% RH.The product should be used within 1 year from the time of elivery. (b)On board: The temperature should be within -40 ~85°C and humidity should be less than 85% RH. ( 3) Operating Temperature Range Operating temperature range : -40°C to +85°C . Recommended Reflow Solder curve Chip Antenna TECHNOLOGY External Dimensions L*W (mm) 1.6*0.8 Central Frequency 2450 MHz Product Series: Chip Antenna Marking Part Number System CS - 2450 - 16-B Package Information Chip Antenna ( 1) Soldering Gun Procedure Note the follows, in case of using solder gun for replacement. (a) The tip temperature must be less than 350°C for the period within 3 seconds by using soldering gun under 30 W. (b) The soldering gun tip s hall not touch this product directly. (2) Soldering Volume Note that excess of soldering volume will easily get crack the body of this product. TECHNOLOGY AB C DEFLW 8.00±0.33.50± 0.051.75±0.12.00±0.054.00±0.11.50±0.11.87± 0.11.12± 0.1 The contents of this data sheet are subject to change without notice . Please confirm the specifications and delivery conditions when placing your order. © Copyright 2015 , Keweixin Electronics All rights reserved 订货信息Order Information Chip Antenna TECHNOLOGY Date Revision Description of changes 2023-01-03 1.0 First Version 2023-11-151.1 Add PCB Layout 2024-01-181.2 Modify PCB layout Device Package Net Weight Carrier Quantity HSF Status CS-2450-16-B 1608 0.002g Tape&Reel 5000pcs RoHS compliant Revision history

1 Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT b 2412 Ant1 98.94 0.05 0.12 NVNT b 2437 Ant1 99.06 0.04 0.12 NVNT b 2462 Ant1 98.94 0.05 0.12 NVNT g 2412 Ant1 98.92 0.05 0.18 NVNT g 2437 Ant1 98.92 0.05 0.18 NVNT g 2462 Ant1 98.92 0.05 0.18 NVNT n20 2412 Ant1 99.02 0.04 0.2 NVNT n20 2437 Ant1 99.02 0.04 0.2 NVNT n20 2462 Ant1 99.02 0.04 0.2 2 Duty Cycle NVNT b 2412MHz Ant1 Duty Cycle NVNT b 2437MHz Ant1 3 Duty Cycle NVNT b 2462MHz Ant1 Duty Cycle NVNT g 2412MHz Ant1 4 Duty Cycle NVNT g 2437MHz Ant1 Duty Cycle NVNT g 2462MHz Ant1 5 Duty Cycle NVNT n20 2412MHz Ant1 Duty Cycle NVNT n20 2437MHz Ant1 6 Duty Cycle NVNT n20 2462MHz Ant1 7 Maximum Average Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Limit Conducted(dBm) Verdict NVNT b 2412 Ant1 13.99 30 Pass NVNT b 2437 Ant1 13.26 30 Pass NVNT b 2462 Ant1 13.22 30 Pass NVNT g 2412 Ant1 13.49 30 Pass NVNT g 2437 Ant1 13.33 30 Pass NVNT g 2462 Ant1 13.64 30 Pass NVNT n20 2412 Ant1 12.19 30 Pass NVNT n20 2437 Ant1 12.13 30 Pass NVNT n20 2462 Ant1 12.35 30 Pass 8 -6dB Bandwidth Condition Mode Frequency (MHz) Antenna -6 dB Bandwidth (MHz) Limit -6 dB Bandwidth (MHz) Verdict NVNT b 2412 Ant1 9.051 0.5 Pass NVNT b 2437 Ant1 8.574 0.5 Pass NVNT b 2462 Ant1 9.045 0.5 Pass NVNT g 2412 Ant1 15.765 0.5 Pass NVNT g 2437 Ant1 15.114 0.5 Pass NVNT g 2462 Ant1 15.027 0.5 Pass NVNT n20 2412 Ant1 11.289 0.5 Pass NVNT n20 2437 Ant1 12.807 0.5 Pass NVNT n20 2462 Ant1 15.054 0.5 Pass 9 -6dB Bandwidth NVNT b 2412MHz Ant1 -6dB Bandwidth NVNT b 2437MHz Ant1 10 -6dB Bandwidth NVNT b 2462MHz Ant1 -6dB Bandwidth NVNT g 2412MHz Ant1 11 -6dB Bandwidth NVNT g 2437MHz Ant1 -6dB Bandwidth NVNT g 2462MHz Ant1 12 -6dB Bandwidth NVNT n20 2412MHz Ant1 -6dB Bandwidth NVNT n20 2437MHz Ant1 13 -6dB Bandwidth NVNT n20 2462MHz Ant1 14 Occupied Channel Bandwidth Condition Mode Frequency (MHz) Antenna 99% OBW (MHz) NVNT b 2412 Ant1 13.931 NVNT b 2437 Ant1 13.835 NVNT b 2462 Ant1 13.88 NVNT g 2412 Ant1 17.269 NVNT g 2437 Ant1 17.182 NVNT g 2462 Ant1 17.335 NVNT n20 2412 Ant1 18.154 NVNT n20 2437 Ant1 18.088 NVNT n20 2462 Ant1 18.013 15 OBW NVNT b 2412MHz Ant1 OBW NVNT b 2437MHz Ant1 16 OBW NVNT b 2462MHz Ant1 OBW NVNT g 2412MHz Ant1 17 OBW NVNT g 2437MHz Ant1 OBW NVNT g 2462MHz Ant1 18 OBW NVNT n20 2412MHz Ant1 OBW NVNT n20 2437MHz Ant1 19 OBW NVNT n20 2462MHz Ant1 20 Maximum Power Spectral Density Level Condition Mode Frequency (MHz) Antenna Conducted PSD (dBm/3kHz) Duty Factor (dB) Total PSD (dBm/3kHz) Limit (dBm/3kHz) Verdict NVNT b 2412 Ant1 -21 0.05 -20.95 8 Pass NVNT b 2437 Ant1 -20.84 0.04 -20.8 8 Pass NVNT b 2462 Ant1 -20.09 0.05 -20.04 8 Pass NVNT g 2412 Ant1 -18.85 0.05 -18.8 8 Pass NVNT g 2437 Ant1 -17.77 0.05 -17.72 8 Pass NVNT g 2462 Ant1 -17.82 0.05 -17.77 8 Pass NVNT n20 2412 Ant1 -17.65 0.04 -17.61 8 Pass NVNT n20 2437 Ant1 -17.83 0.04 -17.79 8 Pass NVNT n20 2462 Ant1 -17.11 0.04 -17.07 8 Pass 21 PSD NVNT b 2412MHz Ant1 PSD NVNT b 2437MHz Ant1 22 PSD NVNT b 2462MHz Ant1 PSD NVNT g 2412MHz Ant1 23 PSD NVNT g 2437MHz Ant1 PSD NVNT g 2462MHz Ant1 24 PSD NVNT n20 2412MHz Ant1 PSD NVNT n20 2437MHz Ant1 25 PSD NVNT n20 2462MHz Ant1 26 Band Edge Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -40.08 -30 Pass NVNT b 2462 Ant1 -56.6 -30 Pass NVNT g 2412 Ant1 -36.99 -30 Pass NVNT g 2462 Ant1 -45.97 -30 Pass NVNT n20 2412 Ant1 -41.24 -30 Pass NVNT n20 2462 Ant1 -47.75 -30 Pass 27 Band Edge NVNT b 2412MHz Ant1 Ref Band Edge NVNT b 2412MHz Ant1 Emission 28 Band Edge NVNT b 2462MHz Ant1 Ref Band Edge NVNT b 2462MHz Ant1 Emission 29 Band Edge NVNT g 2412MHz Ant1 Ref Band Edge NVNT g 2412MHz Ant1 Emission 30 Band Edge NVNT g 2462MHz Ant1 Ref Band Edge NVNT g 2462MHz Ant1 Emission 31 Band Edge NVNT n20 2412MHz Ant1 Ref Band Edge NVNT n20 2412MHz Ant1 Emission 32 Band Edge NVNT n20 2462MHz Ant1 Ref Band Edge NVNT n20 2462MHz Ant1 Emission 33 Conducted RF Spurious Emission Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -49.36 -30 Pass NVNT b 2437 Ant1 -48.49 -30 Pass NVNT b 2462 Ant1 -49.61 -30 Pass NVNT g 2412 Ant1 -46.59 -30 Pass NVNT g 2437 Ant1 -47.94 -30 Pass NVNT g 2462 Ant1 -48.47 -30 Pass NVNT n20 2412 Ant1 -45.15 -30 Pass NVNT n20 2437 Ant1 -46.29 -30 Pass NVNT n20 2462 Ant1 -45.65 -30 Pass 34 Tx. Spurious NVNT b 2412MHz Ant1 Ref Tx. Spurious NVNT b 2412MHz Ant1 Emission 35 Tx. Spurious NVNT b 2437MHz Ant1 Ref Tx. Spurious NVNT b 2437MHz Ant1 Emission 36 Tx. Spurious NVNT b 2462MHz Ant1 Ref Tx. Spurious NVNT b 2462MHz Ant1 Emission 37 Tx. Spurious NVNT g 2412MHz Ant1 Ref Tx. Spurious NVNT g 2412MHz Ant1 Emission 38 Tx. Spurious NVNT g 2437MHz Ant1 Ref Tx. Spurious NVNT g 2437MHz Ant1 Emission 39 Tx. Spurious NVNT g 2462MHz Ant1 Ref Tx. Spurious NVNT g 2462MHz Ant1 Emission 40 Tx. Spurious NVNT n20 2412MHz Ant1 Ref Tx. Spurious NVNT n20 2412MHz Ant1 Emission 41 Tx. Spurious NVNT n20 2437MHz Ant1 Ref Tx. Spurious NVNT n20 2437MHz Ant1 Emission 42 Tx. Spurious NVNT n20 2462MHz Ant1 Ref Tx. Spurious NVNT n20 2462MHz Ant1 Emission

Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT BLE 1M 2402 Ant1 65.06 1.87 2.46 NVNT BLE 1M 2440 Ant1 65.18 1.86 2.45 NVNT BLE 1M 2480 Ant1 65.18 1.86 2.45 NVNT BLE 2M 2402 Ant1 35.78 4.46 4.46 NVNT BLE 2M 2440 Ant1 35.58 4.49 4.5 NVNT BLE 2M 2480 Ant1 35.78 4.46 4.46 2 / 32 Duty Cycle NVNT BLE 1M 2402MHz Ant1 Duty Cycle NVNT BLE 1M 2440MHz Ant1 3 / 32 Duty Cycle NVNT BLE 1M 2480MHz Ant1 Duty Cycle NVNT BLE 2M 2402MHz Ant1 4 / 32 Duty Cycle NVNT BLE 2M 2440MHz Ant1 Duty Cycle NVNT BLE 2M 2480MHz Ant1 5 / 32 Maximum Peak Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Limit Conducted(dBm) Verdict NVNT BLE 1M 2402 Ant1 7.02 30 Pass NVNT BLE 1M 2440 Ant1 8.14 30 Pass NVNT BLE 1M 2480 Ant1 8.94 30 Pass NVNT BLE 2M 2402 Ant1 8 30 Pass NVNT BLE 2M 2440 Ant1 8.11 30 Pass NVNT BLE 2M 2480 Ant1 8.23 30 Pass 6 / 32 Peak Power NVNT BLE 1M 2402MHz Ant1 Peak Power NVNT BLE 1M 2440MHz Ant1 7 / 32 Peak Power NVNT BLE 1M 2480MHz Ant1 Peak Power NVNT BLE 2M 2402MHz Ant1 8 / 32 Peak Power NVNT BLE 2M 2440MHz Ant1 Peak Power NVNT BLE 2M 2480MHz Ant1 9 / 32 -6dB Bandwidth Condition Mode Frequency (MHz) Antenna -6 dB Bandwidth (MHz) Limit -6 dB Bandwidth (MHz) Verdict NVNT BLE 1M 2402 Ant1 0.664 0.5 Pass NVNT BLE 1M 2440 Ant1 0.652 0.5 Pass NVNT BLE 1M 2480 Ant1 0.674 0.5 Pass NVNT BLE 2M 2402 Ant1 1.192 0.5 Pass NVNT BLE 2M 2440 Ant1 1.18 0.5 Pass NVNT BLE 2M 2480 Ant1 1.002 0.5 Pass 10 / 32 -6dB Bandwidth NVNT BLE 1M 2402MHz Ant1 -6dB Bandwidth NVNT BLE 1M 2440MHz Ant1 11 / 32 -6dB Bandwidth NVNT BLE 1M 2480MHz Ant1 -6dB Bandwidth NVNT BLE 2M 2402MHz Ant1 12 / 32 -6dB Bandwidth NVNT BLE 2M 2440MHz Ant1 -6dB Bandwidth NVNT BLE 2M 2480MHz Ant1 13 / 32 Occupied Channel Bandwidth Condition Mode Frequency (MHz) Antenna 99% OBW (MHz) NVNT BLE 1M 2402 Ant1 1.027 NVNT BLE 1M 2440 Ant1 1.023 NVNT BLE 1M 2480 Ant1 1.019 NVNT BLE 2M 2402 Ant1 1.037 NVNT BLE 2M 2440 Ant1 1.038 NVNT BLE 2M 2480 Ant1 1.04 14 / 32 OBW NVNT BLE 1M 2402MHz Ant1 OBW NVNT BLE 1M 2440MHz Ant1 15 / 32 OBW NVNT BLE 1M 2480MHz Ant1 OBW NVNT BLE 2M 2402MHz Ant1 16 / 32 OBW NVNT BLE 2M 2440MHz Ant1 OBW NVNT BLE 2M 2480MHz Ant1 17 / 32 Maximum Power Spectral Density Level Condition Mode Frequency (MHz) Antenna Conducted PSD (dBm/3kHz) Limit (dBm/3kHz) Verdict NVNT BLE 1M 2402 Ant1 -8.17 8 Pass NVNT BLE 1M 2440 Ant1 -7.38 8 Pass NVNT BLE 1M 2480 Ant1 -6.22 8 Pass NVNT BLE 2M 2402 Ant1 -7.35 8 Pass NVNT BLE 2M 2440 Ant1 -7.28 8 Pass NVNT BLE 2M 2480 Ant1 -6.24 8 Pass 18 / 32 PSD NVNT BLE 1M 2402MHz Ant1 PSD NVNT BLE 1M 2440MHz Ant1 19 / 32 PSD NVNT BLE 1M 2480MHz Ant1 PSD NVNT BLE 2M 2402MHz Ant1 20 / 32 PSD NVNT BLE 2M 2440MHz Ant1 PSD NVNT BLE 2M 2480MHz Ant1 21 / 32 Band Edge Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT BLE 1M 2402 Ant1 -53.63 -20 Pass NVNT BLE 1M 2480 Ant1 -55.48 -20 Pass NVNT BLE 2M 2402 Ant1 -54.82 -20 Pass NVNT BLE 2M 2480 Ant1 -53.01 -20 Pass 22 / 32 Band Edge NVNT BLE 1M 2402MHz Ant1 Ref Band Edge NVNT BLE 1M 2402MHz Ant1 Emission 23 / 32 Band Edge NVNT BLE 1M 2480MHz Ant1 Ref Band Edge NVNT BLE 1M 2480MHz Ant1 Emission 24 / 32 Band Edge NVNT BLE 2M 2402MHz Ant1 Ref Band Edge NVNT BLE 2M 2402MHz Ant1 Emission 25 / 32 Band Edge NVNT BLE 2M 2480MHz Ant1 Ref Band Edge NVNT BLE 2M 2480MHz Ant1 Emission 26 / 32 Conducted RF Spurious Emission Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT BLE 1M 2402 Ant1 -58.72 -20 Pass NVNT BLE 1M 2440 Ant1 -61.25 -20 Pass NVNT BLE 1M 2480 Ant1 -59.21 -20 Pass NVNT BLE 2M 2402 Ant1 -60.85 -20 Pass NVNT BLE 2M 2440 Ant1 -61.31 -20 Pass NVNT BLE 2M 2480 Ant1 -57.02 -20 Pass 27 / 32 Tx. Spurious NVNT BLE 1M 2402MHz Ant1 Ref Tx. Spurious NVNT BLE 1M 2402MHz Ant1 Emission 28 / 32 Tx. Spurious NVNT BLE 1M 2440MHz Ant1 Ref Tx. Spurious NVNT BLE 1M 2440MHz Ant1 Emission 29 / 32 Tx. Spurious NVNT BLE 1M 2480MHz Ant1 Ref Tx. Spurious NVNT BLE 1M 2480MHz Ant1 Emission 30 / 32 Tx. Spurious NVNT BLE 2M 2402MHz Ant1 Ref Tx. Spurious NVNT BLE 2M 2402MHz Ant1 Emission 31 / 32 Tx. Spurious NVNT BLE 2M 2440MHz Ant1 Ref Tx. Spurious NVNT BLE 2M 2440MHz Ant1 Emission 32 / 32 Tx. Spurious NVNT BLE 2M 2480MHz Ant1 Ref Tx. Spurious NVNT BLE 2M 2480MHz Ant1 Emission

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 Matter Over WiFi Smart Switch MODEL NUMBER: BASIC-1GSP REPORT NUMBER: E04A26020291F00401 ISSUE DATE: April 15, 2026 FCC ID: 2APN5-BASIC1GSP 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, 203-2 10, 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.: E04A26020291F00401 Page 2 of 40 TRF No.: 04-E 001- 0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 April 15, 2026 Initial Issue REPORT NO.: E04A26020291F00401 Page 3 of 40 TRF No.: 04-E 001- 0B Global Testing , Great Quality. Summary of Test Results Test Item Limit/Requirement Result Antenna Requirement FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission FCC Part 15.207 Pass Conducted Output Power FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth FCC Part 15.247 (a)(2) Pass Power Spectral Density FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission FCC Part 15.205/15.209 Pass Duty Cycle None; for reporting purposes only. Pass Note: 1. N/A: In this whole report not applicable. *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.: E04A26020291F00401 Page 4 of 40 TRF No.: 04-E 001- 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. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 10 5.8. 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 and 99% Occupied Bandwidth ....................................................... 14 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 REPORT NO.: E04A26020291F00401 Page 5 of 40 TRF No.: 04-E 001- 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: Matter Over WiFi Smart Switch Model: BASIC-1GSP Series Model: / Brand: SONOFF Sample Received Date: December 20, 2025 Sample Status: Normal Sample ID: A26020291 001 Date of Tested: December 20, 2025 to March 16, 2026 APPLICABLE STANDARDS STANDARD TEST RESULTS CFR 47 FCC PART 15 SUBPART C(DTS) Pass Prepared By: Checked By: Jok Yang Alan He Project Engineer Laboratory Leader Approved By: Shawn Wen Laboratory Manager REPORT NO.: E04A26020…

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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 Matter Over WiFi Smart Switch MODEL NUMBER: BASIC-1GSP REPORT NUMBER: E04A26020291F00402 ISSUE DATE: April 15, 2026 FCC ID: 2APN5-BASIC1GSP 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, 203-2 10, 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.: E04A26020291F00402 Page 2 of 40 TRF No.: 04-E 001- 0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 April 15, 2026 Initial Issue REPORT NO.: E04A26020291F00402 Page 3 of 40 TRF No.: 04-E 001- 0B Global Testing , Great Quality. Summary of Test Results Test Item Limit/Requirement Result Antenna Requirement FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission FCC Part 15.207 Pass Conducted Output Power FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth FCC Part 15.247 (a)(2) Pass Power Spectral Density FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission FCC Part 15.205/15.209 Pass Duty Cycle None; for reporting purposes only. Pas…

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