2A9GF-TK-WF004Smart Pet Water Fountain

C5266091_X8_Ed.1 1/1 ShenzhenChongxinTechnologyCo.,Ltd LetterofAuthorization Company:ShenzhenChongxinTechnologyCo.,Ltd Address:Room903,building6,DongjiuInnovationTechnologyPark,BulanRoad,Longgang District,Shenzhen ProductName:SmartPetWaterFountain ModelNumber:TK-WF004,TK-WF113,TK-WF116,TK-WF118TK-WF119,TK-WF117 FCCIdentifier:2A9GF-TK-WF004 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:SuanRenDate:Nov23,2022 Title:Manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 ShenzhenChongxinTechnologyCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:Nov23,2022 Subject:RequestforConfidentiality FCCID:2A9GF-TK-WF004 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-TERM CONFIDENTIALITY,Section3ofKDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. C5266091_X10_Ed.2 1/1 Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, Name:SuanRenDate:Nov23,2022 Title:Manager Signatureofapplicant:

Page1of3ReportNo.:FCS202209004 Externalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202209004 Photo3 Photo4 Page3of3ReportNo.:FCS202209004 Photo5 Photo6

LabelandLabelLocation FCCID:2A9GF-TK-WF004

Page1of3ReportNo.:FCS202209004 Internalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202209004 Photo3 Photo4 Page3of3ReportNo.:FCS202209004 Photo5 Photo6 PCBANTENNA

Page1of2ReportNo.:FCS202208015W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com FCCRFExposure EUTDescription:SmartPetWaterFountain ModelNo.:TK-WF004 FCCID:2A9GF-TK-WF004 Equipmenttype:mobileequipment 1.Limits Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactof humanexposuretoradiofrequency(RF)radiationasspecifiedin1.1307(b) LimitsforMaximumPermissibleExposure(MPE) F=frequencyinMHz Formula:Pd=(Pout*G)/(4*π*r 2 ) Where: Pd=powerdensityinmW/cm 2 , Pout=outputpowertoantennainmW; G=gainofantennainlinearscale, π=3.14; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm2.Ifweknowthemaximumgainoftheantennaandthetotal powerinputtotheantenna,throughthecalculation,wewillknowthedistancerwheretheMPE limitisreached. 2.TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleand highestchannelindividually. Page2of2ReportNo.:FCS202208015W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com 3.TestResultofRFExposureEvaluation Modulation Channel Freq. (MHz) Conduct edpower (dBm) Max tune-up power (mW) Antenna Gain (dBi) Antenna gainnumeric Evaluation result (mW/cm2) Power density Limits (mW/cm2) 802.11b 241210.67 11.67 1.801.510.00351 24378.48 7.05 1.801.510.00211 24628.31 6.78 1.801.510.00201 802.11g 241210.69 11.72 1.801.510.00351 24379.73 9.40 1.801.510.00281 24629.51 8.93 1.801.510.00271 802.11n 241210.86 12.19 1.801.510.00371 243710.05 10.12 1.801.510.00301 246210.67 11.67 1.801.510.00351 Conclusion:themaxresult:0.0037≤1.0compliancewithFCC'sRFExposure.

SHANGHAI DEMAN INFORMATION TECHNOLOGY CO.,LTD. CUSTOMER NAME: 涂鸦科技 PRODUCT NAME: Ren Feng P/N: 印刷天线 Page 1 Ren Feng P/N: 印刷天线 WRITED: 汪龙 DATE:20190520 VERSIONS:A WBR3 PCB Antenna Measurement data Page 2 Frequency (MHz) 240024502500 Return Loss-8.73-11.76-11.21 VSWR 2.161.711.77 Radiation pattern Z Y Page 3 X Directivity Diagram Z Y X XY XZ Page 4 YZ Freq.（MHz）Effi(%)Gain (dBi) 2400 52.29 1.71 52.17 1.61 53.14 1.53 54.16 1.58 2410 2420 2430 Efficiency&Gain Page 5 2440 57.62 1.80 2450 59.64 1.69 61.55 1.45 60.64 1.38 62.86 1.54 59.85 1.30 2460 2470 2480 2490 2500 60.41 1.49

FCCTestReport ReportNo:FCS202209004W01 Issuedfor Applicant:ShenzhenChongxinTechnologyCo.,Ltd Address: Room903,building6,DongjiuInnovationTechnology Park,BulanRoad,LonggangDistrict,Shenzhen ProductName:SmartPetWaterFountain BrandName:TIKPAWS,PETRUST ModelName:TK-WF004 SeriesModel: TK-WF113TK-WF116TK-WF118TK-WF119 TK-WF117 FCCID:2A9GF-TK-WF004 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com Page 2 of55ReportNo.:FCS202209004W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TESTRESULTCERTIFICATION Applicant’sName......................:ShenzhenChongxinTechnologyCo.,Ltd Address......................................: Room903,building6,DongjiuInnovationTechnologyPark, BulanRoad,LonggangDistrict,Shenzhen Manufacture'sName................:HuizhouChongxinTechnologyCo.,ltd Address......................................: 3F,BlockB,Sumugroup,HongtianVillage,XinxuTown,Huiyang District.Huizhou. ProductDescription ProductName...........................:SmartPetWaterFountain ModelName..............................:TIKPAWS,PETRUST BrandName ............................. :TK-WF004 SeriesModel..............................:TK-WF113TK-WF116TK-WF118TK-WF119TK-WF117 TestStandards..........................:FCCPart15.247 TestProcedure .......................... :ANSIC63.10-2013 ThisdevicedescribedabovehasbeentestedbyFluxComplianceServiceLaboratory,thetest resultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Andit isapplicableonlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFluxCompliance ServiceLaboratory,thisdocumentmaybealteredorrevisedbyFluxComplianceService Laboratory,personalonly,andshallbenotedintherevisionofthedocument.. DateofTest .................................. : Date(s)ofperformanceoftests . :Sep01,2022~Oct15,2022 DateofIssue.................................:Oct19,2022 TestResult....................................:Pass Testedby: (ScottShen) Reviewedby: (DukeQian) Approvedby: (JackWang) Page 3 of55ReportNo.:FCS202209004W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS..............................................................................................6 1.1TESTFACTORY................................................................................................................7 1.2MEASUREMENTUNCERTAINTY....................................................................................7 2.GENERALINFORMATION......................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT.........................................................................8 0000.2.2BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED....10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS................12 2.4EQUIPMENTSLIST.........................................................................................................13 3.6DBBANDWIDTH..................................................................................................................14 3.1Limit......................................................................................................................................14 3.2TestProcedure.....................................................................................................................14 3.3Testsetup.............................................................................................................................14 3.4Testresults...........................................................................................................................15 4CONDUCTEDOUTPUTPOWER............................................................................................20 4.1limit...................................................................................................................................20 4.2testprocedure..................................................................................................................20 4.3TESTSETUP...................................................................................................................20 4.5testresults........................................................................................................................20 5.POWERSPECTRALDENSITY..............................................................................................21 5.1LIMIT................................................................................................................................21 5.2TESTPROCEDURE........................................................................................................21 5.3TESTSETUP.................................................................................................................21 5.4TESTRESULTS..............................................................................................................22 5.5originaltestdata...............................................................................................................23 6.Bandedgeandspurious(conducted).................................................................................28 6.1LIMIT................................................................................................................................28 6.2TESTPROCEDURE........................................................................................................28 6.3TESTSETUP...................................................................................................................28 6.5TESTRESU…

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Page 1 of2ReportNo.:FCS202209004 Blow1GHzforradiatedemissiontestsetup Above1GHzforradiatedemissiontestsetup Page 2 of2ReportNo.:FCS202209004 Conductedemissiontestsetup