2BGDX-AC-DB-CHV1Smart Chime

UserManual ButtonSwitch ElectricalSpecificatio Product Name：Smart Chime Product Model：AC-DB-CHV1 Applicant Name: Shenzhen Tianyin Electronics Co., Ltd n Input:AC100-240V47Hz-64Hz ButtonSwitchFunctiondescription: Aftertheproductispoweredon,differentmusiccanbereplacedbyabuttonswitch Softwarecontroldescription 1.EntertheAPPinterfaceandfindtheDoorbellitem 2.SelectAddaChime 3.PoweronDingDong.AfterpoweringonDingDong,therewillbeaprompttone 4,LongpresstheDingDongbuttonfor10secondstoenterthepairing 5.Waitforpairing 6.Pairingiscomplete Afterthepairingiscompleted,theringtoneoftheproductcanbecontrolledthroughthemobile APP Whensomeoneringsthedoorbell,youcanbenotifiedremotelythroughthemobileAPP Note: Thisproductisnotwaterproofandisonlyforindooruse Nonprofessionalsarenotallowedtoopenthecasingasthereisariskofelectricshockwhen openingthecasing Warning: FCCWarning: Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustaccept anyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigital device,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonable protectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates, usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththe instructions,maycauseharmfulinterferencetoradiocommunications.However,thereisno guaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoes causeharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturning theequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneor moreofthefollowing measures: --Reorientorrelocatethereceivingantenna. --Increasetheseparationbetweentheequipmentandreceiver. --Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. --Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheuser'sauthoritytooperatetheequipment. Thedistancebetweenuserandproductsshouldbenolessthan20cm. ICWarning: Thisdevicecontainslicence-exempttransmitter(s)thatcomplywithInnovation,Scienceand EconomicDevelopmentCanada’slicence-exemptRSS(s).Operationissubjecttothefollowingtwo conditions: 1.Thisdevicemaynotcauseinterference. 2.Thisdevicemustacceptanyinterference,includinginterferencethatmaycauseundesired operationofthedevice. CetappareilcontientunoudesémetteursexemptsdelicenceconformesauxRSSexemptsde licenced'Innovation,SciencesetDéveloppementéconomiqueCanada.Lefonctionnementest soumisauxdeuxconditionssuivantes: 1.Cetappareilnedoitpascauserd'interférences. 2.Cetappareildoitacceptertouteslesinterférences,ycomprislesinterférencessusceptibles d'entraînerunfonctionnement Thedistancebetweenuserandproductsshouldbenolessthan20cm Ladistanceentrel'utilisateuretlesproduitsnedoitpasêtreinférieureà20cm

ShenzhenTianyinElectronicsCo.,Ltd. CERTIFICATIONSCONCERNING“COVERED”EQUIPMENT Date:2024-5-21 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 FCCID:2BGDX-AC-DB-CHV1 ToWhomItMayConcern: Asrequiredbysection2.911(d)(5)(i),[ShenzhenTianyinElectronicsCo.,Ltd.](“the applicant”)certifiesthattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903 oftheFCCrules. Asrequiredbysection2.911(d)(5)(ii),[ShenzhenTianyinElectronicsCo.,Ltd.](“the applicant”)certifiesthat,asofthedateofthefilingoftheapplication,theapplicant[isnot] identifiedontheCoveredListasanentityproducing“covered”equipment. Thankyouforyourattentiontothismatter. Sincerelyyours, Signature PrintedName:BoYi Company:ShenzhenTianyinElectronicsCo.,Ltd. JobTitle:Projectengineer Email:[email protected] Telephone:13268928174

ShenzhenTianyinElectronicsCo.,Ltd. LETTEROFAGENCY Date:2024-5-21 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 FCCID:2BGDX-AC-DB-CHV1 ToWhomItMayConcern: Wecertifythatwearenotsubjecttodenialoffederalbenefits,thatincludesFCCbenefits, pursuanttoSection5301oftheAnti-DrugAbuseACTof1988,U.S.C.862.Further,no party,asdefinedin47CFR1.2002(b),totheapplication,issubjecttodenialoffederal benefits,thatincludesFCCbenefits. Thankyouforyourattentiontothismatter. Sincerelyyours, Signature PrintedName:BoYi Company:ShenzhenTianyinElectronicsCo.,Ltd. JobTitle:Projectengineer Email:[email protected] Telephone:13268928174

ShenzhenTianyinElectronicsCo.,Ltd. RequestforLong-TermConfidentialityLetter-FCC Date:2024-5-21 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:RequestforLong-Termconfidentiality FCCID:2BGDX-AC-DB-CHV1 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwithLong- Termconfidentialstatus.  Schematics.pdf  OperationalDescription.pdf FrequencyBlockDiagrams.pdf Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerelyyours, Signature PrintedName:BoYi Company:ShenzhenTianyinElectronicsCo.,Ltd. JobTitle:Projectengineer Email:[email protected] Telephone:13268928174

Overallviewofunit(Model:AC-DB-CHV1) Overallviewofunit(Model:AC-DB-CHV1) Overallviewofunit(Model:AC-DB-CHV1) Overallviewofunit(Model:AC-DB-CHV1)

天音标贴承认书 内容： 版本 变更内容 变更日期 制图： 审核： 批准： 日期： 肖化钱 文件编号： 类 型： 客 户： 客户项目： 适用机型： 认证编号： 备 注： 客户确认： 尺寸：TY-363 2024.05.17 A00 初版 TM-363A TYS-7472 镭雕图 天音 铭牌语言：英文 NOTE： 1.处理：镭雕 2.位置和尺寸：见图(居中),安规尺寸公差+/-0.1mm,其他尺寸公差+/-0.3mm 3.颜色： 4.备注：二维码编码规则DINGDONG0000 DINGDONG固定不变，0000:4位流水号，从0001往后排，不得出现重复编码，二维码尺寸7*7mm 客供文档 This device complies with part 15 of the rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, 2BGDX-AC-DB-CHV1 Lot#: Model: Made in China Input: AC 100-240V/50-60Hz 33.8 mm 2 3 . 7 m m This device complies with part 15 of the rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, 2BGDX-AC-DB-CHV1 Model: Lot#: Made in China Input: AC 100-240V/50-60Hz 33.8 mm 23.7 mm 5.0 mm

Internalviewofunit(Model:AC-DB-CHV1) Internalviewofunit(Model:AC-DB-CHV1) PCBviewofunit(Model:AC-DB-CHV1) PCBviewofunit(Model:AC-DB-CHV1) PCBviewofunit(Model:AC-DB-CHV1) PCBviewofunit(Model:AC-DB-CHV1) Antenna

FCCID:2BGDX-AC-DB-CHV1 RFExposureEvaluation Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63 *(100) 6 3.0–30 1842/f4.89/f *(900/f 2 ) 6 30–30061.40.1631.06 300–1500 f/300 6 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63 *(100) 30 1.34–30 824/f2.19/f *(180/f 2 ) 30 30–30027.50.0730.230 300–1500 f/1500 30 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r 2 ) Where Pd=powerdensityinmW/cm 2 ,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm 2 .Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleandhighest channelindividually. TestResultofRFExposureEvaluation WIFIMode(2412-2462MHz) Antenna Gain (dBi) Antenna Gain (numeric) Maxtune-up conducted Power (dBm) Outputpowerto antenna(mW) PowerDensity atR=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result -0.510.88911.8515.310.0027081PASS Remark:antennagain=-0.51dBi

FreqEffiGainGainUHISDHISMaxMinAttHAttV (MHz)(%)(dBi)(dBd)(%)(%)(dB)(dB)(dB)(dB) 24007.2-1.46-3.616.7650.432-1.46-40.654343 24107.98-1.11-3.267.550.435-1.11-38.4843.0643.09 24208.26-1-3.157.8430.416-1-36.7443.1943.25 24308.04-1.11-3.267.6350.401-1.11-36.4943.1843.2 24408.66-0.78-2.938.2410.421-0.78-35.3443.2643.26 24509.17-0.51-2.668.7290.444-0.51-35.7643.3443.32 24607.25-1.59-3.746.9190.33-1.59-38.2343.0643.12 24707-1.64-3.796.6420.355-1.64-34.4643.0343.1 24808.14-0.94-3.097.6940.442-0.94-33.1843.2843.33 24908.69-0.57-2.728.2240.468-0.57-34.4243.3443.38 25007.98-0.79-2.947.5460.439-0.79-36.2143.4143.47 AdditionalInforNULL 产品图片 Passive Test For 2.4g Application Information O4Version5.244.350 TotalTime3m 43s 875ms PCB Antenna

BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 1 of 74 MeasurementandTestReport For ShenzhenTianyinElectronicsCo.,Ltd. FCCID:2BGDX-AC-DB-CHV1 IC:28479-ACDBCHV1 FCCRule(s)/Methods: FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10:2013 RSS-GenIssue5,February2021 RSS-247Issue3August2023 ProductDescription: SmartChime Trademark N/A Model/Typereference.: AC-DB-CHV1 ReportNo.:BSL2405208275096F-1 Dateofreceiptoftestitem: Mar4,2024 Dateofsampling: Mar6,2024 TestedDate: Mar8,2024toJun21,2024 IssuedDate: Jun21,2024 TestedBy: LrisYao/Engineer ReviewedBy: LeviXiao/EMCManager Approved&AuthorizedBy: SalonOuyang/PSQManager BSLTestingCo.,LTD. 1/F,BuildingB,XinshidaiGRPark,ShiyanStreet,Bao'anDistrict,Shenzhen,Shiyan Street,Bao'anDistrict,Shenzhen,Guangdong,518052,People’sRepublicofChina Tel:400-882-9628Fax:86-755-26508703 BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 2 of 74 TableofContents Page 1.VERSION.....................................................................................................................4 2.SUMMARYOFTESTRESULTS..................................................................................5 2.1TESTFACILITY....................................................................................................................6 2.2MEASUREMENTUNCERTAINTY.......................................................................................6 3.GENERALINFORMATION..........................................................................................7 3.1GENERALDESCRIPTIONOFEUT....................................................................................7 3.2DESCRIPTIONOFTESTMODES......................................................................................8 3.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED.................8 3.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)...........................................9 3.5EQUIPMENTSLISTFORALLTESTITEMS.....................................................................10 4.EMCEMISSIONTEST...............................................................................................12 4.1CONDUCTEDEMISSIONMEASUREMENT....................................................................12 4.1.1POWERLINECONDUCTEDEMISSIONLimits.....................................................12 4.1.2TESTPROCEDURE..................................................................................................12 4.1.3DEVIATIONFROMTESTSTANDARD.....................................................................12 4.1.4TESTSETUP.............................................................................................................13 4.1.5EUTOPERATINGCONDITIONS..............................................................................13 4.1.6TESTRESULTS..............................................................................................................13 4.2RADIATEDEMISSIONMEASUREMENT.........................................................................16 4.2.1RADIATEDEMISSIONLIMITS.................................................................................16 4.2.2TESTPROCEDURE..................................................................................................16 4.2.3DEVIATIONFROMTESTSTANDARD.....................................................................17 4.2.4TESTSETUP.............................................................................................................17 4.2.5EUTOPERATINGCONDITIONS..............................................................................18 4.2.6TESTRESULTS.........................................................................................................18 5.RADIATEDBANDEMISSIONMEASUREMENT........................................................27 5.1TESTREQUIREMENT:......................................................................................................27 5.2TESTPROCEDURE..........................................................................................................27 5.3DEVIATIONFROMTESTSTANDARD.............................................................................28 5.4TESTSETUP......................................................................................................................28 5.5EUTOPERATINGCONDITIONS......................................................................................28 5.6TESTRESULT....................................................................................................................29 6.POWERSPECTRALDENSITYTEST........................................................................33 6.1APPLIEDPROCEDURES/LIMIT.....................................................................................33 6.2TESTPROCEDURE..........................................................................................................33 6.3DEVIATIONFROMSTANDARD.......................................................................................33 6.4TESTSETUP......................................................................................................................34 BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 3 of 74 6.5EUTOPERATIONCONDITIONS......................................................................................34 6.6TESTRESULT....................................................................................................................35 7.CHANNELBANDWIDTH...........................................................................................40 7.1APPLIEDPROCEDURES/LIMIT.....................................................................................40 7.2TESTPROCEDURE..........................................................................................................40 7.3DEVIATIONFROMSTANDARD.......................................................................................40 7.4TESTSETUP......................................................................................................................41…

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BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 58 of 74 Tx.SpuriousNVNTn202437MHzAnt1Emission Tx.SpuriousNVNTn202462MHzAnt1Ref BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 59 of 74 Tx.SpuriousNVNTn202462MHzAnt1Emission BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 60 of 74 ModeFrequency(MHz)AntennaMaxValue(dBc)Limit(dBc)Verdict b2412Ant1-46.87-20Pass b2462Ant1-53.32-20Pass g2412Ant1-41.69-20Pass g2462Ant1-50.98-20Pass n202412Ant1-38.98-20Pass n202462Ant1-48.75-20Pass BandEdgeNVNTb2412MHzAnt1Ref BandEdgeNVNTb2412MHzAnt1Emission BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 61 of 74 BandEdgeNVNTb2462MHzAnt1Ref BandEdgeNVNTb2462MHzAnt1Emission BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 62 of 74 BandEdgeNVNTg2412MHzAnt1Ref BandEdgeNVNTg2412MHzAnt1Emission BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 63 of 74 BandEdgeNVNTg2462MHzAnt1Ref BandEdgeNVNTg2462MHzAnt1Emission BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 64 of 74 BandEdgeNVNTn202412MHzAnt1Ref BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 65 of 74 BandEdgeNVNTn202412MHzAnt1Emission BandEdgeNVNTn202462MHzAnt1Ref BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 66 of 74 BandEdgeNVNTn202462MHzAnt1Emission BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 67 of 74 10.CHANNELBANDWIDTH TestRequirement:RSS-Gen6.7 TestMethod:RSS-Gen 10.1CONFORMANCELIMIT Nolimitrequirement. 10.2TESTPROCEDURE TheEUTwasoperatinginBluetoothtransmittermodeandcontrolleditschannel.Printedoutthetestresult fromthespectrumbyhardcopyfunction. TheRFoutputofEUTwasconnectedtothespectrumanalyzerbyRFcableandattenuator.Thepathloss wascompensatedtotheresultsforeachmeasurement. SettothemaximumpowersettingandenabletheEUTtransmitcontinuously SetRBW=1-5%of99%occupiedbandwidth. Setthevideobandwidth(VBW)≥3*RBW. SetSpan=approximately2to3timesOBW SetDetector=Peak. SetTracemode=maxhold. SetSweep=autocouple. Iftheinstrumentdoesnothavea99%powerbandwidthfunction,thetracedatapointsarerecoveredand directlysummedinpowerunits.Therecoveredamplitudedatapoints,beginningatthelowestfrequency, areplacedinarunningsumuntil0.5%ofthetotalisreached;thatfrequencyisrecordedasthelower frequency.Theprocessisrepeateduntil99.5%ofthetotalisreached;thatfrequencyisrecordedasthe upperfrequency.The99%occupiedbandwidthisthedifferencebetweenthesetwofrequencies. Measureandrecordtheresultsinthetestreport. 10.3DEVIATIONFROMSTANDARD Nodeviation. 10.4TESTSETUP 10.5EUTOPERATIONCONDITIONS TheEUTtestedsystemwasconfiguredasthestatementsof2.4Unlessotherwiseaspecialoperating conditionisspecifiedinthefollowsduringthetesting. BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 68 of 74 10.6TESTRESULTS Mode ChannelFrequency (MHz) 99%OccupiedBandwidth(MHz)Verdict b241213.320PASS b243713.338PASS b246213.350PASS g241216.312PASS g243716.323PASS g246216.334PASS n20241217.310PASS n20243717.320PASS n20246217.314PASS OBWNVNTb2412MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 69 of 74 OBWNVNTb2437MHzAnt1 OBWNVNTb2462MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 70 of 74 OBWNVNTg2412MHzAnt1 OBWNVNTg2437MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 71 of 74 OBWNVNTg2462MHzAnt1 OBWNVNTn202412MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 72 of 74 OBWNVNTn202437MHzAnt1 OBWNVNTn202462MHzAnt1 BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 73 of 74 11.ANTENNAREQUIREMENT Standardrequirement: FCCPart15CSection15.203/247(c) RSS-GenSection6.8,RSS-247Section5.4 15.203requirement: Anintentionalradiatorshallbedesignedtoensurethatnoantennaotherthanthatfurnishedbytheresponsiblepartyshall beusedwiththedevice.Theuseofapermanentlyattachedantennaorofanantennathatusesauniquecouplingtothe intentionalradiator,themanufacturermaydesigntheunitsothatabrokenantennacanbereplacedbytheuser,butthe useofastandardantennajackorelectricalconnectorisprohibited. 15.247(c)(1)(i)requirement: (i)Systemsoperatinginthe2400-2483.5MHzbandthatisusedexclusivelyforfixed.Point-to-pointoperationsmay employtransmittingantennaswithdirectionalgaingreaterthan6dBiprovidedthemaximumconductedoutputpowerof theintentionalradiatorisreducedby1dBforevery3dBthatthedirectionalgainoftheantennaexceeds6dBi. Forintentionaldevice,accordingtoRSS-GenIssue5Section6.8: Theapplicantforequipmentcertification,asperRSP-100,mustprovidealistofallantennatypesthatmaybeusedwith thelicence-exempttransmitter,indicatingthemaximumpermissibleantennagain(indBi)andtherequiredimpedancefor eachantenna. Licence-exempttransmittersthathavereceivedequipmentcertificationmayoperatewithdifferenttypesofantennas. However,itisnotpermissibletoexceedthemaximumequivalentisotropicallyradiatedpower(e.i.r.p.)limitsspecifiedin theapplicablestandard(RSS)forlicence-exemptapparatus. RSS-247Section5.4 (i)Systemsoperatinginthe2400-2483.5MHzbandthatisusedexclusivelyforfixed.Point-to-pointoperationsmay employtransmittingantennaswithdirectionalgaingreaterthan6dBiprovidedthemaximumconductedoutputpowerof theintentionalradiatorisreducedby1dBforevery3dBthatthedirectionalgainoftheantennaexceeds6dBi. EUTAntenna: TheWIFI2.4GantennaisPCBAntenna,thebestcasegainfortheantennais-0.51dBi,referencetotheappendixIIfor details BSLTestingCo.,LTD.ProjectNo.:BSL2405208275096F-1 Page 74 of 74 12.TESTSETUPPHOTO ReferencetotheappendixIfordetails. 13.EUTCONSTRUCTIONALDETAILS ReferencetotheappendixIIfordetails. ※※※※※ENDOFREPORT※※※※※