2APN5SNZB04PZigbee Door/Window Sensor

ShenzhenSonoffTechnologiesCo.,Ltd. PHOENIXTESTLABGmbHDate:2023.8.16 ProductCertificationDepartment Koenigswinkel10 32825Blomberg Germany Attestation Section2.911(d)(5)(ii),Section2.911(d)(5)(i) (KDB986446D01CoveredEquipment) ShenzhenSonoffTechnologiesCo.,Ltd.(“theapplicant”)certifiesthattheequipment forwhichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceiving anequipmentauthorizationpursuanttosection2.903oftheFCCrules. ShenzhenSonoffTechnologiesCo.,Ltd.(“theapplicant”)certifiesthat,asofthedate ofthefilingoftheapplication,theapplicant[isnot]identifiedontheCoveredListas anentityproducing“covered”equipment. TypeofEquipmentsubjecttoFCCCertification: FCCID:2APN5SNZB04P Ifyouhaveanyquestions,pleasefeelfreetocontactme Signature: Name:FreddieDuan Company:ShenzhenSonoffTechnologiesCo.,Ltd. Address:3F&6F,BldgA,No.663,BulongRd,Shenzhen,Guangdong,China Phone:0755-29610458 Fax:0755-27955416 Email:[email protected]

ShenzhenSonoffTechnologiesCo.,Ltd. CertificationDesignatingaU.S.AgentforServiceofProcess Date:2023.8.16 Ref:Section2.911(d)(7)filing FCCID:2APN5SNZB04P To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA ShenzhenSonoffTechnologiesCo.,Ltd.(“theapplicant”)asrequiredbysection2.911(d)(7), willalsoserveastheagentforserviceofprocessfortheabovereferencedFCCID. Theapplicantacknowledgesthattheywillmaintainanagentfornolessthanoneyearafter thegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment.Theapplicantfurther acknowledgestheirresponsibilitytoinformtheFCCwhenevertheagentinformationchanges. FederalRegistrationNumber(FRN):0033682634 CompanyName:ITEAD,LLC CompanyAddress:651NBroadSt,Suite201Middletown,DE19709UnitedStates ContactPerson:FelixLi Email:[email protected] Sincerelyyours, Signature:Signature: Name:FreddieDuanName:FelixLi Company:ShenzhenSonoffTechnologiesCo.,Ltd.Company:ITEAD,LLC Phone:0755-29610458Phone:(925)237-1624 Fax:0755-27955416E-Mail:[email protected] E-Mail:[email protected]

ShenzhenSonoffTechnologiesCo.,Ltd. PHOENIXTESTLABGmbHDate:16August2023 ProductCertification Königswinkel10 D32825Blomberg RE:LETTEROFAGENCYAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorize(CTCLaboratories,Inc.)toactonourbehalfinall mattersrelatingtoapplicationforequipmentauthorization,includingthesigningofall documentsrelatingtothesematters. Wecertifythatwearenotsubjecttodenialoffederalbenefits,thatincludesFCCbenefits, pursuanttoSection5301oftheAnti-DrugAbuseACTof1988,U.S.C.862.Further,noparty, asdefinedin47CFR1.2002(b),totheapplicationissubjecttodenialoffederalbenefits,that includesFCCbenefits. Thisagreementisvalidforoneyear–2023.8.16–untilfurthernotice. Ifyouhaveanyquestions,pleasefeelfreetocontactme Yourssincerely, Signature: ContactName:FreddieDuan Title:Manager ContactEmail:[email protected] ContactPhone:0755-29610458

ShenzhenSonoffTechnologiesCo.,Ltd. Long/Short-termConfidentialityRequest PHOENIXTESTLABGmbHDate:16August2023 ProductCertification Königswinkel10 D32825Blomberg FCCID:2APN5SNZB04P ToWhomItMayConcerns, Pursuanttosections0.457(d)and0.459ofCFR47andtoavoidprematurereleaseof sensitiveinformationpriortomarketingorreleaseoftheproducttothepublic,wehereby requestlong-termconfidentialtreatmentofinformationaccompanyingthisapplicationas outlinedbelow: ☒Schematics☐PartsList ☒BlockDiagram☐Tune-UpInfo ☒OperationalDescription Inadditionweherebyrequestthefollowingexhibitscontainedinthisapplicationtobe temporarily(short-termconfidentiality)withheldfromthepublicdisclosure ☐ foraninitialperiodof days ☐ until: ☐ not applicable ☐ExternalPhotos☐TestSetupPhotos ☐InternalPhotos☐UsersManual Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesemattersmightbeharmfultothe applicantandprovideunjustifiedbenefitstoitscompetitors. Theapplicantunderstandsthatpursuanttorule0.457(d),disclosureofthisapplicationand allaccompanyingdocumentationwillnotbemadebeforethedateoftheGRANTforthis application. Ifyouhaveanyquestions,pleasefeelfreetocontactme. Yourssincerely, Signature: ContactName:FreddieDuan Title:Manager ContactEmail:[email protected] ContactPhone:0755-29610458

ShenzhenSonoffTechnologiesCo.,Ltd. Supplier’sDeclarationOfConformity fortheFCCSDoCProcedure ThefollowingEquipmentadaptFCCSDoCProcedureaccordingtoFCCpart2.906: ProductName:____ZigbeeDoor/WindowSensor_____ BrandName:______Sonoff___________________ ModelNumber:______SNZB-04P_____________ ReportNumber:_CTC20231661E01,CTC20231661E02____ It’sherewithconfirmedtocomplywiththerequirementsofFCCPart15Rules. Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethat maycauseundesiredoperation. Itisunderstoodthateachunitmarketedisidenticaltothedeviceastested,andanychangestothe devicethatcouldadverselyaffecttheemissioncharacteristicswillrequireretest. Thefollowingimporter/responsiblepartyinUnitedStates: NotAvailableatCertificationStage CompanyName:ShenzhenSonoffTechnologiesCo.,Ltd. CompanyAddress:3F&6F,BldgA,No.663,BulongRd,Shenzhen,Guangdong,China Telephone:0755-29610458 Fax:/ Personisresponsibleformarkingthisdeclaration: ___FreddieDuan_________________Manager______ Name(Fullname)Position/Title _______________________________2023.8.16__________ LegalSignatureDate

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.org.cn Page 1 of 3 External Photos Page 2 of 3 Page 3 of 3

CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.org.cn Page 1 of 3 Internal Photos Page 2 of 3 Antenna Page 3 of 3

CTC Laboratories, Inc. 2/F., Building 1 and 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Longhua District, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.org.cn CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel.: (86)755-27521059 Fax: (86)755-27521011 Http://www.sz-ctc.org.cn For anti-fake verification, please visit the official website of Certification and Accreditation Administration of the People’s Republic of China : yz.cnca.cn Maximum Permissible Exposure Evaluation FCC ID: 2APN5SNZB04P According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) Radiation as specified in §1.1307(b). EUT Specification Applicant Shenzhen Sonoff Technologies Co.,Ltd. Address 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Product Name: Zigbee Door/Window Sensor Trade Mark: Sonoff Model/Type Reference: SNZB-04P Listed Model(s): / Model Differences: / Frequency Band (Operating) Zigbee: 2405~2480MHz Device Category Portable (<5mm separation) Mobile (>20cm separation) Fixed (>20cm separation) Others ___ 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 Antenna Gain (Max) 2.07dBi Evaluation Applied MPE Evaluation SAR Evaluation Page 2 of 2 Report No.: CTC20231661E02 CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel.: (86)755-27521059 Fax: (86)755-27521011 Http://www.sz-ctc.org.cn For anti-fake verification, please visit the official website of Certification and Accreditation Administration of the People’s Republic of China : yz.cnca.cn Limits for Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) (A) Limits for Occupational/Controlled Exposure 300-1500 -- -- F/300 <6 1500-100000 -- -- 5 <6 (B) Limits for General Population/Uncontrolled Exposure 300-1500 -- -- F/1500 <30 1500-100000 -- -- 1 <30 Calculation Method Friis transmission formula: Pd=(P out *G)/(4*Pi*R 2 ) Where: Pd= 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 Pd limit of MPE is 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. Measurement Result Mode Frequency (MHz) Antenna Gain (dBi) Maximum Power (dBm) Tune Up Tolerance (dB) Max. Tune Up Power (dBm) Power Density at 20cm (mW/cm 2 ) Limit (mW/cm 2 ) Zigbee 2405 2.07 5.289 ±1 6.00 0.0013 1 Note: 1. Calculate in the worst-case mode. 2. Max. Tune Up Power is declared by manufacturer, and used to calculate. 3. For a more detailed features description, please refer to the RF Test Report. **********************THE END**********************

Antenna Specification 1. Antenna Describe Antenna Manufacturer Shenzhen Sonoff Technologies Co.,Ltd. Antenna Address 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Antenna Model ANTENNA-2400-2500A Antenna Type PCB Antenna Antenna Gain 2.07dBi Max Frequency Rang 2400-2500MHz VSWR ≤1.5 Input Impedance 50Ω 2. External View Drawing Unit: mm 3. Measurement Result 3.1 Test Setup 3.2 S11 Diagram 3.3 Antenna test data Frequency (MHz) Peak Gain (dBi) Efficiency (%) 2400 0.85 31.6 2410 1.04 32.1 2420 1.53 34.3 2430 2.07 38.1 2440 1.79 36.7 2450 1.79 37.9 2460 1.85 40.1 2470 1.75 41.5 2480 1.37 41.6 2490 1.21 40.2 2500 1.36 41.9 3.4 Antenna test diagram 3D Diagram 2400MHz 2450MHz 2500MHz

CTC Laboratories, Inc. 2/F., Building 1 and 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Longhua District, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.org.cn TEST REPORT Report No. .................................... : CTC20231661E01 FCC ID ........................................... : 2APN5SNZB04P IC ................................................... : 29127-SNZB04P Applicant ...................................... : Shenzhen Sonoff Technologies Co.,Ltd. Address .......................................... : 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Manufacturer..................................: Shenzhen Sonoff Technologies Co.,Ltd. Address..........................................: 3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China Product Name .............................. : Zigbee Door/Window Sensor Trade Mark .................................... : Sonoff Model/Type reference .................... : SNZB-04P Listed Model(s) .............................. : / Standard ....................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 RSS-247 Issue 2 Date of receipt of test sample........: Aug. 2, 2023 Date of testing..............................: Aug. 2, 2023 to Aug. 15, 2023 Date of issue................................: Aug. 16, 2023 Result............................................: PASS Compiled by: (Printed name+signature) Jim Jiang Supervised by: (Printed name+signature) Eric Zhang Approved by: (Printed name+signature) Totti Zhao $英文检测章$ $Totti$ This test report may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product endorsement by CTC. The Test Result in the report only apply to the tested sample. The test report shall be invalid without all the signatures of testing engineers, reviewer and approver. Any objections must be raised to CTC within 15 days since the date when the report is received. It will not be taken into consideration beyond this limit. The test report merely corresponds to the test sample. Page 2 of 38 Report No.: CTC20231661E01 CTC Laboratories, Inc. 2/F., Building 1 and 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Longhua District, Shenzhen, Guangdong, China Tel.: (86)755-27521059 Fax: (86)755-27521011 Http://www.sz-ctc.org.cn For anti-fake verification, please visit the official website of Certification and Accreditation Administration of the People’s Republic of China : http://yz.cnca.cn Table of Contents Page 1. TEST SUMMARY ....................................................................................................................................................... 3 1.1. TEST STANDARDS .......................................................................................................................................................... 3 1.2. REPORT VERSION ......................................................................................................................................................... 3 1.3. TEST DESCRIPTION ........................................................................................................................................................ 3 1.4. TEST FACILITY .............................................................................................................................................................. 4 1.5. MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 1.6. ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 5 2. GENERAL INFORMATION .......................................................................................................................................... 6 2.1. CLIENT INFORMATION ................................................................................................................................................... 6 2.2. GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3. ACCESSORY EQUIPMENT INFORMATION ............................................................................................................................ 7 2.4. OPERATION STATE ........................................................................................................................................................ 8 2.5. MEASUREMENT INSTRUMENTS LIST ................................................................................................................................. 9 3. TEST ITEM AND RESULTS ........................................................................................................................................ 10 3.1. CONDUCTED EMISSION................................................................................................................................................ 10 3.2. RADIATED EMISSION ................................................................................................................................................... 12 3.3. BAND EDGE EMISSIONS (RADIATED) .............................................................................................................................. 20 3.4. BAND EDGE AND SPURIOUS EMISSIONS (CONDUCTED) ...................................................................................................... 25 3.5. DTS BANDWIDTH ....................................................................................................................................................... 28 3.6. PEAK OUTPUT POWER ........................................................…

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CTC Laboratories, Inc. 1-2/F., Building 2, Jiaquan Building, Guanlan High-Tech Park, Shenzhen, Guangdong, China Tel: +86-755-27521059 Fax: +86-755-27521011 http://www.sz-ctc.org.cn Page 1 of 2 Radiated Measurement Below 30MHz 30-1000MHz Page 2 of 2 Above 1GHz