2A9F7-AURORAAurora

Shenzhen Envision Technology Innovation Co., Ltd. * the applicant must designate a contact located in the United States for purposes of acting as the appl icant’s agent for service of process, regardless of whether the applicant is a domestic or forei gn ent ity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 04/10/2026 TO: Feder al Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2A9F7-AURORA FRN of applicant: 0033105990 Per section 2.911(d)(7) of the FCC rules, [Shenzhen Envision Technology Innovation Co., Ltd.] (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: C ompany Name: FCC US Agent, LLC FCC Registration Number (FRN): 0033402884 Physical U.S. Company Address: 3722 Illinois Avenue, Saint Charles, IL 60174, USA Contact Person: Tim Payne Agent Email Address: [email protected] The abov e contact person accepts the obligation for service of process. The appl icant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. A pplicant Signed: Agent Signed (if different from Applicant): Signed: Printed name: Jason Tang Title: Manager Company Name: Shenzhen Envision Technology Innovation Co., Ltd. Date: 04/10/2026 S igned: Printed name: Tim Payne Title: Manager Company Name: FCC US Agent, LLC Date: 04/10/2026

ShenzhenEnvisionTechnologyInnovationCo.,Ltd. CoveredEquipmentCertificationAttestationLetter 04/10/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2A9F7-AURORA ShenzhenEnvisionTechnologyInnovationCo.,Ltd.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. ShenzhenEnvisionTechnologyInnovationCo.,Ltd.(“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,theapplicantisnotidentifiedontheCoveredList(as aspecificallynamedentityoranyofitssubsidiariesoraffiliates)asanentityproducing “covered”equipment. ShenzhenEnvisionTechnologyInnovationCo.,Ltd. (“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtdoesnotincludecybersecurityoranti-virus softwareproducedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsand assignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886 andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:JasonTang Title:Manager CompanyName:ShenzhenEnvisionTechnologyInnovationCo.,Ltd. Date:04/10/2026

DATE:04/10/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointShenzhenEUTestingLaboratoryLimited (101,BuildingB1,FuqiaoFourthArea,QiaotouCommunityFuhaiSubdistrictBaoan District,Shenzhen,China)(NameofAgentcompanynameandaddress)toactasour agentinthepreparationofthisapplicationforequipmentcertification.Icertifythat submitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions forcertification,stillresideswithShenzhenEnvisionTechnologyInnovationCo.,Ltd. (301,Building4,1970ScienceandTechnologyPark,MinzhiStreet,LonghuaDistrict, Shenzhen,China)(ApplicantNameandaddress) Signed: Printedname:JasonTang Title:Manager CompanyName:ShenzhenEnvisionTechnologyInnovationCo.,Ltd. Date:04/10/2026

Date04/10/2026 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Sincerely, Signed: Printedname:JasonTang Title:Manager CompanyName:ShenzhenEnvisionTechnologyInnovationCo.,Ltd. Date:04/10/2026

DATE04/10/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:___2A9F7-AURORA______ ProductName:___Aurora___ RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...)  Schematics Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. Signed: Printedname:JasonTang Title:Manager CompanyName:ShenzhenEnvisionTechnologyInnovationCo.,Ltd. Date:04/10/2026

DATE:04/10/2026 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2A9F7-AURORA ProductName:Aurora RequestforShort-TermConfidentiality PursuanttoSections0.457and0.459ofthecommissionrules,andinaccordancewiththeFCCPublicnotice datedJune15,2004(DA04-1705),weherebyrequestshort-termconfidentialityforthefollowingitemspriorto marketingthedevice.: TestSetupPhotos ExternalPhotos InternalPhotos UserManual Theapplicantrequeststheexhibitsselectedaboveasshorttermconfidentialbewithheldfrompublicview foraperiodof180daysfromthedateoftheGrantofEquipmentAuthorizationandpriortomarketing.This istoavoidprematurereleaseofsensitiveinformationpriortomarketingorreleaseoftheproducttothe public. Signed: Printedname:JasonTang Title:Manager CompanyName:ShenzhenEnvisionTechnologyInnovationCo.,Ltd. Date:04/10/2026

ShenzhenEnvisionTechnologyInnovationCo.,Ltd. DeclarationonModelDifferences We, ShenzhenEnvisionTechnologyInnovationCo.,Ltd. 301,Building4,1970ScienceandTechnologyPark,MinzhiStreet,LonghuaDistrict, Shenzhen,China Declarethatthefollowingproduct(s): ProductName:Aurora ModelNo.:Aurora,Aurora-I,Aurora-II,Aurora-III,Aurora-IV,Aurora-V FCCID:2A9F7-AURORA Allmodelsaresamewithelectricalparametersandinternalcircuitstructure,butonlydifferin appearanceandmodelname.Therefore,the(Aurora)modelwillbetheprimarytestmodel. Themanufacturerwouldtakealltheresponsibilitiesfortheaboveproduct(s). Forandonbehalfof Shenzhen,China AuthorizedpersonLocation Name:JasonTang Position:Manager Dateofissue:2026-04-10 *IherebydeclarethatIamentitledtosignonbehalfoftheapplicantandthattheinformationsuppliediscorrectandcomplete.

LabelLocation Label Size:40*50mm ProductName:Aurora ModelNo.:Aurora Input:5VDC FCCID:2A9F7-AURORA

RFEXPOSUREEVALUATION FCCID:2A9F7-AURORA AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) RadiationasspecifiedinKDB447498D01: RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. BLE: Channel (MHz) Maximum outputpower (dBm) Tuneup tolerance (dBm) MaxTune UpPower (dBm) Distance (mm) Calculation results Limit Operating Mode 2402-2.84 -2.84±1 -1.8450.2033 BLE 2440-2.30-2.30±1-1.3050.2323 2480-2.09-2.09±1-1.0950.2453 2402-2.86 -2.86±1 -1.8650.2023 2440-2.44-2.44±1-1.4450.2243 2480-2.09-2.09±1-1.0950.2453 TestResults:PASS.

TEST REPORT Report No.:8429EU122415W Applicant:Shenzhen Envision Technology Innovation Co., Ltd. Address:301, Building 4, 1970 Science and Technology Park, Minzhi Street, Longhua District, Shenzhen, China Product Name:Aurora Model No.:Aurora (refer to clause 2.4) Trademark:N/A FCC ID:2A9F7-AURORA Test Standard(s):47 CFR Part 15.247 Test Result:Pass Date of Receipt:Mar. 24, 2026 Test Date:Mar. 25, 2026 - Apr. 03, 2026 Date of Issue:Apr. 10, 2026 ISSUED BY: SHENZHEN EU TESTING LABORATORY LIMITED Prepared by:Reviewed and Approved by: Landon Qiu/ EngineerSally Zhang/ Manager Page 2 of 70Report No.: 8429EU122415W TRF Version: A01 Revision Record Report VersionIssued DateDescriptionStatus V0Apr. 10, 2026OriginalValid Page 3 of 70Report No.: 8429EU122415W TRF Version: A01 Table of Contents 1 COVER PAGE...........................................................................................................................................................1 2 GENERAL INFORMATION............................................................................................................................... 5 2.1 APPLICANTINFORMATION....................................................................................................................... 5 2.2 MANUFACTURERINFORMATION............................................................................................................... 5 2.3 FACTORYINFORMATION.......................................................................................................................... 5 2.4 GENERALDESCRIPTION OFE.U.T...........................................................................................................5 2.5 TECHNICALINFORMATION OFE.U.T........................................................................................................ 6 3 TEST SUMMARY.............................................................................................................................................. 7 3.1 TESTSTANDARD.....................................................................................................................................7 3.2 TESTVERDICT........................................................................................................................................7 3.3 TESTLABORATORY.................................................................................................................................8 4 TEST CONFIGURATION...................................................................................................................................9 4.1 TESTENVIRONMENT...............................................................................................................................9 4.2 TESTEQUIPMENT................................................................................................................................... 9 4.3 DESCRIPTION OFSUPPORTUNIT...........................................................................................................11 4.4 TESTMODE..........................................................................................................................................11 4.5 DESCRIPTION OFCALCULATION............................................................................................................ 11 4.5.1 Field Strength Calculation..................................................................................................... 11 4.5.2 Disturbance Calculation........................................................................................................ 11 4.6 MEASUREMENTUNCERTAINTY.............................................................................................................. 12 4.7 DEVIATION FROMSTANDARDS...............................................................................................................12 4.8 ABNORMALITIES FROMSTANDARDCONDITION...................................................................................... 12 5 EVALUATION RESULTS (EVALUATION)......................................................................................................13 5.1 ANTENNA REQUIREMENT.......................................................................................................................13 5.1.1 Test Specification.................................................................................................................. 13 5.1.2 Test Data............................................................................................................................... 13 6 RADIO SPECTRUM MATTER TEST RESULTS (RF)....................................................................................14 6.1 CONDUCTEDEMISSION ATACPOWER LINE...........................................................................................14 6.1.1 Test Specification.................................................................................................................. 14 6.1.2 E.U.T. Operation....................................................................................................................14 6.1.3 Test Setup Diagram...............................................................................................................14 6.1.4 Test Data............................................................................................................................... 14 6.2 6DB BANDWIDTH..................................................................................................................................17 6.2.1 Test Specification.................................................................................................................. 17 6.2.2 E.U.T. Operation....................................................................................................................17 6.2.3 Test Setup Diagram...............................................................................................................18 6.2.4 Test Data...........…

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Dong Guan SYL Technology CO.,LTD Antenna Specification Manufacture：SYL Product Name：X-MEN-HJX8035-BT-RX 阿萝拉-玫红 Antenna Antenna Type：PCB Test Date：2026/3/16 Tested by： Checked By: Approved By: ChengMingWei DuLin QianCongGen Dong Guan SYL Technology CO.,LTD 1.General Description Manufacturer： Dong Guan SYL Technology CO.,LTD Address： Room 203,DongHui Industrial Park,No.198 DaTang Road, DongGuan, GuangDong,China Product Name： X-MEN-HJX8035-BT-RX 阿萝拉-玫红 Antenna Product model： X-MEN-HJX8035-BT-RX 阿萝拉-玫红 Antenna Type： PCB Antenna Test Frequency： 2400-2500MHz Antenna Gain： 1.9dBi VSWR： ＜1.4 Impedance： 50Ω Polarization： Linear Dong Guan SYL Technology CO.,LTD 2.Antenna size: Dong Guan SYL Technology CO.,LTD 3.Gain and Efficiency 1.9 Frequency Efficiency （%） Antenna Gain (dBi) 2400MHz 1.1 2440MHz 60.2% 56.2% 53.2% 2480MHz 1.2 Dong Guan SYL Technology CO.,LTD 4.ReturnLoss 5.XY-Plane Dong Guan SYL Technology CO.,LTD 6.XZ-Plane 7. YZ-Plane Dong Guan SYL Technology CO.,LTD 8.3D Radiation Pattern Diagram 10.Test Setup Photo