2BTZ2-ST015Air Tracker Tag

MANUAL DERAXGUARDIANTAG ProductOverview Specification Chargingtype:Type-C Batterytype:RechargeableLithium-ion battery100mAh Batterylife:9monthsforone-timecharge Bluetoothversion:V5.2 Bluetoothtransmissionrange:10-20 metersindoors,30-50metersoutdoors Operatingsystemversions:Compatible withbothiOSandAndroid;iOS14.5and above,Android11andabove Operatingtemperature:-10~50°C Soundlevel:100dB Waterresistance:IPX4 OperationInstructionsI 1.Poweron:Longpressthebuttonfor5 seconds; 2.Devicestatusconfirmation:Double clickthedevicebutton,thedevicebeeps, itison.Ifitdoesnotbeep,itisoff. 3.Pairingmodetimeout,deviceenters pairingmodeagain:Whenthedevice ison,ifitisnotpairedwithin10minutes, thedevicewillexitpairingmode,please clickthedevicebuttononce,thedevice beeps,thenyoucanpairitwiththeFind MyorFindHubapp. 4.Howtoqueryserialnumber:Press thebutton6timesinarowwithin2 seconds,thedevicebeeps. 5.Factoryreset:Pressthedevicebutton4 timesquickly,thedevicewillsound.Long pressthedevicebutton,andthedevicewill beep,donotreleaseit,continuepressinguntil thesecondpieceofmusicisplayed. 6.Poweroff:Pressthedevicebutton5 timesinarowwithin2seconds,the devicebeeps,itisoff. 7.Afterunbindingthedevicewithyourphone, pleaseperformafactoryresetbeforebinding thedevicetoanewphone. Howtochargethedevice Chargethedeviceusinga5V/1AType-C cable. Theindicatorlightwillturnredwhile charging,andwillchangetogreenwhen fullycharged. WorkwithApplyFindMy 1.OpentheFindMyapponyouriPhone andgototheltemstabatthebottomof thescreen. 2.Tapthe“+”icon,thenselect“Add Otherltem.” 3.BringthedeviceclosetoyouriPhone. When“GuardianTag”appears,tap Connect. 4.Followthepromptstonameyour device,chooseanemoji,andagreeto linkthetagtoyourApplelD. 5.TapFinishtocompletethesetup. WorkwithGoogle’sFindHub 1.Opentheappthatispre-installedonthe Android™device:FindHub; *lfyouareunabletofindit,downloadit directlyontheGooglePlayapp. 2.Afterthepop-upwindow“GuardianTag” appear,selectConnect; 3.Select:Acceptandcontinue; 4.Afterassigninganame,thefollowing functionisavailable:Makethedevice ring:click“Ring”,andthedevicewill playamelody. 5.Toremovethedevice:choose“Remove item”. Note: IfthedeviceispoweredonbutFindHub cannotdetectit,restorethedeviceto factorysettings.Ifitstillcannotbefound, restartyourphonetolocatethedevice. IfyoudismisstheFastPair™popuptwice orfrequentlypairandunpairatag,you mighttriggerthebanninglogic,which preventsunnecessaryFastPairpopups. Toresolvethis,youcaneitherwaitforfive minutesfortheFastPairpopuptobe re-enabledorrebootyourphone. Someofthesestepsareapplicableonly onAndroid12andabove. FCCWarning ThisdevicecomplieswithPart15ofthe FCCRules.Operationissubjecttothe followingtwoconditions: (1)Thisdevicemaynotcauseharmful interference,and(2)thisdevicemust acceptanyinterferencereceived,including interferencethatmaycauseundesired operation. NOTE1:Thisequipmenthasbeentested andfoundtocomplywiththelimitsfora ClassBdigitaldevice,pursuanttopart15 oftheFCCRules.Theselimitsare designedtoprovidereasonableprotection againstharmfulinterferenceina residentialinstallation.Thisequipment generates,usesandcanradiateradio frequencyenergyand,ifnotinstalledand usedinaccordancewiththeinstructions, maycauseharmfulinterferencetoradio communications.However,thereisno guaranteethatinterferencewillnotoccur inaparticularinstallation.Ifthisequipment doescauseharmfulinterferencetoradio ortelevisionreception,whichcanbe determinedbyturningtheequipmentoff andon,theuserisencouragedtotryto correcttheinterferencebyoneormoreof thefollowingmeasures: -Reorientorrelocatethereceiving antenna. -Increasetheseparationbetweenthe equipmentandreceiver. -Connecttheequipmentintoanoutletona circuitdifferentfromthattowhichthe receiverisconnected. -Consultthedealeroranexperienced radio/TVtechnicianforhelp. NOTE2:Anychangesormodificationsto thisunitnotexpresslyapprovedbythe partyresponsibleforcompliancecould voidtheuser'sauthoritytooperatethe equipment. Thedevicehasbeenevaluatedtomeet generalRFexposurerequirement.The devicecanbeusedinportableexposure conditionwithoutrestriction. UseoftheWorkswithApplebadge meansthataproducthasbeen designedtoworkspecificallywiththe technologyidentifiedinthebadgeand hasbeencertifiedbytheproduct manufacturertomeetAppleFindMy networkproductspecificationsand requirements.Appleisnotresponsible fortheoperationofthisdeviceoruseof thisproductoritscompliancewith safetyandregulatorystandards. TousetheAppleFindMyapptolocate thisitem,thelatestversionofiOS, iPadOS,ormacOSisrecommended. TheFindItemsapponAppleWatch requiresthelatestversionofwatchOS. Apple,AppleFindMy,AppleWatch, FindMy,iPhone,iPad,iPadOS,Mac, macOsandwatchOSarethe trademarksofAppleInc.,registeredin theU.S.andothercountries.IOSisa trademarkorregisteredtrademarkof CiscointheU.S.andothercountries andisusedunderlicense. ThisproducthasbeencertifiedbyGoogle tomeetFindHubnetworkaccessory specifications.Googleisnotresponsible fortheoperationofthisproduct.Googleis alsonotresponsibleforensuringthatthe productcomplieswithanyapplicable safetystandardsorotherrequirements. FindHubnetworkrequireslocation servicesandBluetoothtobeturned on.Requirescellserviceorinternet connection.WorksonAndroid9+onselect devices[devicesorphones]andincertain countriesforage-eligibleusers. Google,Android,GooglePlay,FindHub andFastPairaretrademarksofGoogle LLC. RegulatorySafetyInformation WARNING:KEEPBATTERIESOUTOF REACHOFCHILDREN 1.Swallowingmayleadtoserious injuryinaslittleas2hoursordeath, duetochemicalburnsandpotential perforationoftheoesophagus. 2.Ifyoususpectyourchildhas swallowedorinsertedabutton batteryimmediatelycallthe24-hour PoisonInformationCentreforfast expertadvice. 3.Immediatelydisposeofused batteriesandkeepawayfrom children.DoNOTdisposeof batteriesinhouseholdtrash.Even usedbatteriesmaycausesevere injuryordeath.Callalocalpoison controlcenterfortreatment information.

ShenzhenBambayTechnologyCo., Limited Code00018768Ed. 2 Item 1.The deviceis able to install software/programinstallation? ☐Yes, go to Item 2. ☒No. In this case, the rest of the items do not apply.The devicecannotsupport installationof Kasperskycybersecurityor anti-virussoftware. Item 2.TechnicalRequirementsfor KasperskyCybersecuritySoftware: #GeneralRequirements(For all Devices)Yes / No or N/A Comments 1Internetconnectionfor activationand updates(For all OperatingSystems) N/A DeviceAir TrackerTag CompanynameShenzhenBambayTechnologyCo., Limited Granteecode2BTZ2 FCC ID2BTZ2-ST015 FRN0037821063 Contactnamehao Hu AddressRoom204, 2F, BuildingA3, HekanIndustrial Park,No.41,WuheAvenue(South),Nankeng Community,BantianStreet,LonggangDistrict, ShenzhenChina Telephonenumber13302481905 [email protected] Chipset/moduleinformationAP2T21F40 OperatingSystem(if applicable)N/A StorageCapacity(hard drive or other permanentmemorystorage, if applicable) N/A 2 #GeneralRequirements(ForWindowsDevices)Yes/Noor N/A Comments 1Storage:1500MBfreespaceontheharddriveN/A 2OperatingSystem: MicrosoftWindows8,8.1,10&11Home/Pro/ EnterpriseMicrosoft Windows7Starter/HomeBasic&Premium/ Professional/UltimateSP1orhigher N/A 3Processor:1GHzorhigher(x86orx64)N/A 4Memory(RAM)1GB(32-bit)or2GB(64-bit)N/A 5ScreenResolution:Minimumresolutionof1024x768N/A #GeneralRequirements(FormacOSdevices)Yes/Noor N/A Comments 1OperatingSystemmacOS®13–14N/A 2Memory(RAM)4GBN/A 3Storage:3455MBfreespaceontheharddriveN/A #GeneralRequirements(ForAndroidDevices)Yes/Noor N/A Comments 1Storage:150MBfreespaceN/A 2OperatingSystem:Android™10–14N/A 3ScreenResolution:Minimumresolutionof320x480N/A #GeneralRequirements(foriOSdevices)Yes/Noor N/A Comments 1Storage:150MBfreespaceN/A 2OperatingSystem:iOS®17N/A 3 #GeneralRequirements(ForLinuxsystem)Yes/Noor N/A Comments 1Harddrive:1GBoffreespaceN/A 2CPU:IntelPentium1GHzorhigherN/A 3RAM:1GBN/A 4Minimumsoftwarerequirements: AlmaLinuxOS8orlater; AlterOS7.5orlater; AstraLinuxCommonEdition2.12orlater; CentOS6.7orlater; DebianGNU/Linux10.0orlater; EulerOS2.0orlater; OracleLinux7.3orlater; RedHatEnterpriseLinux6.7orlater; RockyLinux8.5orlater; SUSELinuxEnterpriseServer12.5orlater; Ubuntu12.04orlater; UncomOSHome/Business/Education/Enterprise 2.2orlater; ALTLinuxWorkstaton/WorkstationK/Server/ Education8orlater; ROSALinuxWorkstation/Server12orlater; REDOS7.3andlater; N/A Afterreviewedthetechnicalrequirements,isthedevicecapableofsupportingthe installationofKasperskysoftware? ☐Yes,gotoItem3. 4 ☒No.Inthiscase,therestoftheitemsdonotapply.Thedevicecannotsupport installationofKasperskysoftware Item3.ConnectivityCapabilities: #PhysicalInterfacePurposeJustification 1 1 #WirelessInterfacePurposeJustification 1 1 Afterthereviewofthisitems,thedevice: ☒ Cannotsupportinstallationofanycybersecurityoranti-virussoftwareonthecovered list. ☐ Potentiallycanoperatewithanycybersecurityoranti-virussoftwareonthecoveredlist –additionalthird-partyproofisprovidedtodemonstratecompliancewithrequirementsas of2.911(d)5(i),(ii)–“ProofofCompliancewithCoveredListSoftwareRequirements”ofthis documentapplies Signature:Name:haoHu Date:2026.1.9 Oncethedocumentisfilledin,pleaseproceedtoprintaPDFofthisWord 1 Thejustificationfieldisusedtojustifywhythesoftwarecannotbereceivedthroughthatinterface.Checktheannexformore indications.

TCB CALL página 1 File FCC ID: 2BTZ2-ST015 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : https://www.sos.state.co.us/biz/BusinessEntityDetail.do?quitButtonDestination=BusinessEntityResults&nameTyp=ENT&masterFileId=20248279136&entityId2=20248279136&fileId=20248279136&srchTyp=ENTITY TCB CALL página 2 Google: EIN Number： TCB CALL página 3 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed1_US_Agent_Letter"

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:GOLDENVICTORYINTERNATIONALTRADINGCOLTD FRN:0036377570 ContactName:LeonHowar Address:11016THSTREETSUITE1400DENVER,CO80202UnitedStates TelephoneNo:(337)255-0461 Email:[email protected] Applicant: Companyname:ShenzhenBambayTechnologyCo.,Limited ProductDescription:AirTrackerTag Granteecode:2BTZ2 FRN:0037821063 FCCID:2BTZ2-ST015 ContactName:haoHu Address:Room204,2F,BuildingA3,HekanIndustrialPark,No.41,WuheAvenue(South), NankengCommunity,BantianStreet,LonggangDistrict,ShenzhenChina TelephoneNo.:13302481905 Email:[email protected] [ShenzhenBambayTechnologyCo.,Limited]certifiesthat,asofthedateof thisfilingoftheapplicationwiththeTCB,[GOLDENVICTORYINTERNATIONAL TRADINGCOLTD]isourdesignatedUSagentforserviceofprocessforthe abovereferencedFCCID.[ShenzhenBambayTechnologyCo.,Limited]accepts tomaintainanagentfornolessthanoneyearafterthegranteehasterminated allmarketingandimportationortheconclusionofanycommissionrelated proceedinginvolvingequipment.[GOLDENVICTORYINTERNATIONAL TRADINGCOLTD]accepts,asofthedateofthefilingoftheapplication,the obligationofthedesignatedUSagentforserviceofprocessfortheabove referenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2026.1.9 Applicant’sName:haoHuUSAgent’sName:LeonHowar Title:ManagerTitle:Manager Signature Signature

AttestationStatement. OldCode:C526609124NewCode:00015544Ed.3 Changereason:FRNisaddedtotheApplicantinformationsection. 1/1 TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 TheCommissionadoptedrulesthatprohibitequipmentauthorizationfor“covered” telecommunicationsequipmentandvideosurveillanceequipmentproducedbyentitiesidentified ontheCommission’sCoveredList 1 ,whichisperiodicallyupdated.SeetheCoveredListformore details.ThisAttestationStatementistoconfirmthatwefollowtheSection2.911(d)(5)(i)-(ii) Applicant Companyname:ShenzhenBambayTechnologyCo.,Limited Granteecode:2BTZ2 FRN:0037821063 FCCID:2BTZ2-ST015 ContactName:haoHu Address:Room204,2F,BuildingA3,HekanIndustrialPark,No.41,WuheAvenue(South), NankengCommunity,BantianStreet,LonggangDistrict,ShenzhenChina TelephoneNo.:13302481905 Email:[email protected] i.ShenzhenBambayTechnologyCo.,Limited(“theapplicant”)certifiesthat theequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection 2.903oftheFCCrules.Theapplicantmustsignthiscertification. ii.ShenzhenBambayTechnologyCo.,Limited(“theapplicant”)certifiesthat, asofthedateofthefilingoftheapplication,theapplicant[isnot](asa specificallynamedentityoranyofitssubsidiariesoraffiliates)identifiedon theCoveredListasanentityproducing“covered”equipment.Theapplicant mustsignthiscertification. [ShenzhenBambayTechnologyCo.,Limited](“theapplicant”)certifiesthat,asof thedateofthefilingofthe application,theapplicant[isnot]identifiedontheCoveredList asanentityproducing“covered” equipment. Date:2026.1.9 Applicant’sName:haoHu Title:Manager Signature 1 TheCommission’sCoveredListispublishedbythePublicSafetyandHomelandSecurityBureauandpostedonthe Commission’swebsite.ThisCoveredList,whichisperiodicallyupdated,identifiesparticularequipment,producedby particularentities,thatconstitutes“covered”equipment.https://www.fcc.gov/supplychain/coveredlist

C5266091_X10_Ed.2 1/1 ShenzhenBambayTechnologyCo.,Limited OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2026.1.9 Subject:RequestforConfidentiality FCCID:2BTZ2-ST015 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 abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:haoHu Title:Manager

C5266091_X8_Ed.1 1/1 LetterofAuthorization ShenzhenBambayTechnologyCo.,Limited Company:ShenzhenBambayTechnologyCo.,Limited Address:Room204,2F,BuildingA3,HekanIndustrialPark,No.41, WuheAvenue(South),NankengCommunity,BantianStreet,Longgang District,ShenzhenChina ProductName:AirTrackerTag ModelNumber:ST015 FCCIdentifier:2BTZ2-ST015 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:haoHuDate:2026.1.9 Title:Manager Signatureofapplicant:

EUTPHOTO(ExternalPhotos) Model:ST015 EUTPhoto1 EUTPhoto2 EUTPhoto3 EUTPhoto4 EUTPhoto5 EUTPhoto6 ※※※※※ENDOFREPORT※※※※※

Labelandlabellocation FCCIDLABEL: 1cm 1cm LabelLocation: AirTrackerTag FCCID:2BTZ2-ST015

EUTPHOTO(InternalPhotos) Model:ST015 EUTPhoto1 EUTPhoto2 EUTPhoto3 EUTPhoto4 ※※※※※ENDOFREPORT※※※※※ ANT

FCCID:2BTZ2-ST015 RFEXPOSUREEVALUATION AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093, UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]*[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ForBLE Mode Frequency (MHz) Power (dBm) TuneUP tolerance (dBm) MaxTune UPpower (dBm) Power (mW) Min. distance(mm) Calc. thresholds limit GFSK24023.4253.425±14.4252.7750.858653.0 Conclusion: 1.[(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]*[√f(GHz)]<3.0. 2.SARTestExclusionThresholdsis3.0forseparationdistance5mm.Therefore,SAR testisnotrequired.

C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-C DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Ce L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert D L-Cert DL-Ce DL-Cert DL-Cert DL-Cert D L-Cert DL Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert D L-C L-Cert DL-Cert rt DL-Cer DL ShenzhenDL TestingTechnologyCo., Ltd.ReportNo.: DLE-260109006R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail:[email protected] 1 of 42 FCC TEST REPORT FCC ID:2BTZ2-ST015 Applicant:ShenzhenBambayTechnologyCo., Limited Address: Room204, 2F, BuildingA3, HekanIndustrialPark,No.41,WuheAvenue(South),Nankeng Community,BantianStreet,LonggangDistrict,Shenzhen Manufacturer:ShenzhenBambayTechnologyCo., Limited Address: Room204, 2F, BuildingA3, HekanIndustrialPark,No.41,WuheAvenue(South),Nankeng Community,BantianStreet,LonggangDistrict,Shenzhen EUT:Air TrackerTag TradeMark:DERAX ModelNumber:ST015 Dateof Receipt:Dec.19, 2025 Test Date:Dec.19, 2025- Dec.26, 2025 Dateof Report:Jan. 09, 2026 PreparedBy:ShenzhenDL TestingTechnologyCo., Ltd. Address: 101-201,BuildingC, Shuanghuan,No.8,BaoqingRoa BaolongIndustrialZone,Baolong Street,LonggangShenzhen,Guangdong,China Applicable Standards: FCCCFR Title 47 Part 15 SubpartC Section15.247 ANSIC63.102020 Test Result:Pass ReportNumber:DLE-260109006R Prepared(TestEngineer): Dimon Tan Reviewer(Supervisor): JackBu Approved(Manager): JadeYang This test reportis basedon a singleevaluationof one sampleof abovementionedproducts.It is not permittedto be duplicatedin extractswithoutwrittenapprovalof ShenzhenDL TestingTechnologyCo., Ltd. C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-C DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Ce L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert D L-Cert DL-Ce DL-Cert DL-Cert DL-Cert D L-Cert DL Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert D L-C L-Cert DL-Cert rt DL-Cer DL ShenzhenDL TestingTechnologyCo., Ltd.ReportNo.: DLE-260109006R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail:[email protected] 2 of 42 Table of ContentsPage 1. VERSION....................................................................................................................4 2. SUMMARYOF TEST RESULTS...............................................................................5 2.1 TEST FACILITY.................................................................................................................6 2.2 MEASUREMENTUNCERTAINTY....................................................................................6 3. GENERALINFORMATION........................................................................................7 3.1 GENERALDESCRIPTIONOF EUT .................................................................................7 3.2 DESCRIPTIONOF TEST MODES....................................................................................8 3.3 BLOCKDIAGRAMSHOWINGTHE CONFIGURATIONOF SYSTEMTESTED...........9 3.4 DESCRIPTIONOF SUPPORTUNITS(CONDUCTEDMODE)........................................9 3.5 EQUIPMENTSL…

Text truncated - open the document above for the full version.

深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B-1) Engineering Specification DOCUMENT YF3216Y1P2G4501 REV. NO. C PAGE 1 OF 12 3.2X1.6X0.4 (mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B- 1) Engineering Specification 1. Product Number YF 3216 Y1 P 2G45 0 1 1 2 3 4 5 6 迎丰天线技术 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B-1) Engineering Specification DOCUMENT YF3216Y1P2G4501 REV. NO. C PAGE 2 OF 12 2. Features *Stable and reliable in performances *Low temperature coefficient of frequency *Low profile, compact size *RoHS compliance *SMT processes compatible 3. Applications *Bluetooth earphone systems *Hand-held devices when WiFi /Bluetooth functions are needed, e.g., Smart phone. *IEEE802.11 b/g/n *ZigBee *Wireless PCMCIA cards or USB dongle 4. Description Yingfeng chip antenna series are specially designed for WiFi/Bluetooth applications. Based on yingfeng proprietary design and processes, this chip antenna has excellent stability and sensitivity to consistently provide high signal reception efficiency. 5. Electrical Specifications (80 x 40 mm 2 ground plane) 5-1. Electrical Table Characteristics Specifications Unit Outline Dimensions 3.2x1.6x0.4 mm Working Frequency 2400~2500 MHz VSWR 2 Max. Impedance 50  Polarization Linear Polarization Gain Peak 2.5(typical) dBi Efficiency 78 (typical) % 5-2. Return Loss & VSWR 迎丰天线技术 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B-1) Engineering Specification DOCUMENT YF3216Y1P2G4501 REV. NO. C PAGE 3 OF 12 Return Loss (S 11 ) VSWR(S 11 ) 6. Antenna Dimensions & Test Board (unit: mm) a. Antenna Dimensions 迎丰天线技术 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B-1) Engineering Specification DOCUMENT YF3216Y1P2G4501 REV. NO. C PAGE 4 OF 12 b. Test Board with Antenna 80 4 0 Unit: mm 7. Radiation Pattern (80 x 40 mm 2 ground plane) Z X Y 迎丰天线技术 7-1.3DGainPattern@2442MHz Peak Gain2.12dBi 2.12dBi 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B-1) Engineering Specification DOCUMENT YF3216Y1P2G4501 REV. NO. C PAGE 5 OF 12 7-2. 3D Efficiency Table Frequency( MHz) 24124000 2420 2430 2442 2450 2460 2470 2480 2490 2500 Efficiency (dB) -1.4 -1.0 -0.9 -0.7 -0.7 -0.8 -0.9 -1.1 -1.2 -1.3 -1.4 Efficiency (%) 72.8 73.7 74.3 74.4 75.5 75.0 74.0 73.6 73.1 72.6 71.5 Gain (dBi) 2.111.88 1.831.74 2.122.12 2.041.841.78 1.62 1.41 Y X Z Y X X Y Z 迎丰天线技术 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B-1) Engineering Specification DOCUMENT YF3216Y1P2G4501 REV. NO. C PAGE 6 OF 12 7-3. 3D Efficiency vs. Frequency 8. Layout Guide a. Solder Land Pattern: Land pattern for soldering (gray marking areas) is as shown below. Depending on Customer’s requirement, matching circuit as shown below is also recommended. Efficiency vs. Frequency 50 60 70 80 90 100 24002410242024302442245024602470 248024902500 Frequency(MHz) E f f i c i e n c y ( % ) 迎丰天线技术 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B-1) Engineering Specification DOCUMENT YF3216Y1P2G4501 REV. NO. C PAGE 7 OF 12 Bottom View Unit： mm 9. Frequency tuning a. Chip antenna tuning scenario： Feed 4. Fine tuning elemet 迎丰天线技术 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B-1) Engineering Specification DOCUMENT YF3216Y1P2G4501 REV. NO. C PAGE 8 OF 12 b. Matching circuit：(Center frequency is about 2442 MHz @ 80 x 40 mm 2 ground plane) System Matching Circuit Component Location Description Vendor Toleranc e 1 1.2 pF* Murata (0402) ±0.1 pF 2 10PF* Murata(0402) ±0.5 PF 3 N/A* - - Fine tuning element 4 1.5 pF* Murata (0402) ±0.1 pF *Typical reference values which may need to be changed when circuit boards or part vendors are different. Matching circuit 1 2 3 迎丰天线技术 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : Jason Checked by : Jason Approved by：MR.FANG TITLE：3.2 x 1.6x 0.4(mm) WiFi/Bluetooth Ceramic Chip Antenna (YF300B-1) Engineering Specification DOCUMENT YF3216Y1P2G4501 REV. NO. C PAGE 9 OF 12 c. Fine tuning element vs. Center frequency 10. Soldering Conditions a. Typical Soldering Profile for Lead-free Process Time 60-180s 60-150s 20- Pre- 150-200° 217°C 260° T e m p e r a t u r e ( ° C ) 迎丰天线技术 深圳市迎丰天线技术有限公司 SHEN ZHEN YINGFENG ANTENNA TECHNOLOYCO.,LTD Prepared by : JIEXI Designed by : …

Text truncated - open the document above for the full version.