2A8DI-21K433RFWireless remote control

C5266091_X8_Ed.1 1/1 LetterofAuthorization ShenzhenTaoHangTechnologyCO.,LTD Company:ShenzhenTaoHangTechnologyCO.,LTD Address:Room1408,Tongyebuilde,Xiameilin,FutianDistrict, Shenzhencity,GongdongProvinceChina ProductName:Wirelessremotecontrol ModelNumber:21K433RF FCCIdentifier:2A8DI-21K433RF WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:YubinDate:2022-08-31 Title:CEO Signatureofapplicant:

C5266091_X10_Ed.2 1/1 ShenzhenTaoHangTechnologyCO.,LTD OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2022-08-31 Subject:RequestforConfidentiality FCCID:2A8DI-21K433RF ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodofdaysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, C5266091_X10_Ed.2 1/1 Signature: Name:Yubin Title:CEO

ProductName:Wirelessremotecontrol Model:21K433RF FCCID:2A8DI-21K433RF MadeinChina ShenzhenTaoHangTechnologyCO.,LTD

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Report No.: PTC22072805101E-FC01 Page 1 of 30 FCC TEST REPORT FCC ID: 2A8DI-21K433RF Product : Wireless remote control Model Name : 21K 433 RF Brand : N/A Report No. : PTC22072805101E-FC01 Prepared for Shen zhen TaoHang Technology CO.,LTD Room 1408,Tongye builde, Xiameilin, Futian District, Shenzhen city, Gongdong Province China Prepared by Precise Testing & Certification Co., Ltd. Building 1, No. 6, Tongxin Road, Dongcheng Street, Dongguan, Guangdong, China Report No.: PTC22072805101E-FC01 Page 2 of 30 1. TEST RESULT CERTIFICATION Applicant’s name : Shen zhen TaoHang Technology CO.,LTD Address : Room 1408,Tongye builde, Xiameilin, Futian District, Shenzhen city, Gongdong Province China Manufacture's name : Shen zhen TaoHang Technology CO.,LTD Address : Room 1408,Tongye builde, Xiameilin, Futian District, Shenzhen city, Gongdong Province China Product : Wireless remote control Model : 21K 433 RF Standards : FCC CFR47 Part 15 Section 15.231 Test procedure : ANSI C63.10:2013 Test Date : Aug. 08, 2022 to Aug. 29, 2022 Date of Issue : Sep. 05, 2022 Test Result : Pass This device described above has been tested by PTC, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of PTC, this document may be altered or revised by PTC, personal only, and shall be noted in the revision of the document. Testing Engineer: Simon Pu / Engineer Technical Manager: Ronnie Liu / Manager Report No.: PTC22072805101E-FC01 Page 3 of 30 Contents Page 2 TEST SUMMARY .............................................................................................................................................. 4 3 GENERAL INFORMATION ............................................................................................................................. 5 3.1 GENERAL DESCRIPTION OF E.U.T. ......................................................................................................... 5 3.2 TEST MODE ............................................................................................................................................. 5 3.3 TEST SITE ................................................................................................................................................ 5 4 EQUIPMENT DURING TEST .......................................................................................................................... 6 4.1 EQUIPMENTS LIST ................................................................................................................................... 6 4.2 MEASUREMENT UNCERTAINTY ................................................................................................................ 6 5 CONDUCTED EMISSION ................................................................................................................................ 7 5.1 E.U.T. OPERATION .................................................................................................................................. 7 5.2 EUT SETUP ............................................................................................................................................. 7 5.3 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION)......................................................................... 8 5.4 MEASUREMENT PROCEDURE .................................................................................................................. 8 5.5 CONDUCTED EMISSION LIMIT .................................................................................................................. 8 5.6 MEASUREMENT DESCRIPTION................................................................................................................. 8 5.7 CONDUCTED EMISSION TEST RESULT .................................................................................................... 8 6 PERIODIC OPERATION .................................................................................................................................. 9 7 RADIATED SPURIOUS EMISSIONS .......................................................................................................... 13 7.1 EUT OPERATION ................................................................................................................................... 14 7.2 TEST SETUP .......................................................................................................................................... 15 7.3 SPECTRUM ANALYZER SETUP............................................................................................................... 16 7.4 TEST PROCEDURE ................................................................................................................................. 17 7.5 SUMMARY OF TEST RESULTS ............................................................................................................... 18 8 20DB BANDWIDTH MEASUREMENT ........................................................................................................ 20 8.1 TEST PROCEDURE ................................................................................................................................. 20 8.2 TEST RESULT ........................................................................................................................................ 20 9 ANTENNA REQUIREMENT .......................................................................................................................... 21 10 TEST SETUP ................................................................................................................................................. 22 11 EUT PHOTOS ................................................................................................................................................ 23 Report No.: P…

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深圳市涛航科技有限公司 ShenzhenTaoHangTechnologyCO.,LTD 天线测试报告 AntennaTestRepprt 项目编号/ProjectNo:Wirelessremotecontrol 测试日期/TestDate:2022-9-15 Maintechnicalspecifications Frequencyrange(MHz)433.92 Impedance(Ω) 50 Gain(dBi)1 VSWR<2.0 Admittedpower5 podlarizationLinear,Vertical ConnertortypePcblayout Physicalproperties AntennabaseNohave size26.06*28mm Operationtemp-20~80 °C Storagetemp-40~125°C

RadiatedEmissions From30MHz-1000MHz TestfrequencyfromAbove1GHz