2AT9WMT-700668Robotic Vacuum Cleaner

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DATE: Jun. 10, 2020 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint KSIGN(Guangdong) Testing Co., Ltd.andWest Side of 1/F., Building C, Zone A, Fuyuan New Factory, Jiujiu Industrial Park, Minzhu,Shatou, Shajing, Bao'an District, Shenzhen, Guangdong, People’s Republic of China (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with SHENZHEN CLOBOT INTELLIGENT TECHNOLOGY CO., LTD.andArea A&B, 7F. SZZT Industrial Park, No.3 Tongguan Road, Guangming New District Shenzhen, China (Applicant Name and address) <Signature> NameTony Li Title Sales Manager CompanySHENZHEN CLOBOT INTELLIGENT TECHNOLOGY CO., LTD.

Jun. 10, 2020 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AT9WMT-700668 Product Name: Robotic Vacuum Cleaner Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...)  Schematics  Block diagram Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> NameTony Li Title Sales Manager CompanySHENZHEN CLOBOT INTELLIGENT TECHNOLOGY CO., LTD.

DATE : Jun. 10, 2020 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AT9WMT-700668 Product Name: Robotic Vacuum Cleaner Request for Short-Term Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission rules, and in accordance with the FCC Public notice dated June 15, 2004 (DA 04-1705), we hereby request short-term confidentiality for the following items prior to marketing the device.: Test Setup Photos External Photos Internal Photos User Manual The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of45 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. <Signature> NameTony Li Title Sales Manager CompanySHENZHEN CLOBOT INTELLIGENT TECHNOLOGY CO., LTD.

External Photographs MT-710 MT-720

SHENZHENCLOBOTINTELLIGENTTECHNOLOGYCO.,LTD. ProductName:RoboticVacuumCleaner Model:MT-700 FCCID:2AT9WMT-700668 Input:19V600mA Rated:14.8V RatedPower:25W

LabelLocation Size:35*33mm

Internal Photographs

Page2of68ReportNo.:KS2005S00097E TABLEOFCONTENTSPage 1.TESTSUMMARY ....................................................................................................................................................................... 3 1.1. TESTSTANDARDS ................................................................................................................................................................... 3 1.2.REPORTVERSION ................................................................................................................................................................... 3 1.3.TESTDESCRIPTION ................................................................................................................................................................. 4 1.4.TESTFACILITY .................................................................................................................................................................. 5 1.5.MEASUREMENTUNCERTAINTY ................................................................................................................................................. 6 1.6.ENVIRONMENTALCONDITIONS ................................................................................................................................................. 6 2.GENERALINFORMATION ......................................................................................................................................................... 7 2.1. CLIENTINFORMATION ............................................................................................................................................................ 7 2.2.GENERALDESCRIPTIONOFEUT ............................................................................................................................................... 7 2.3.OPERATIONSTATE .................................................................................................................................................................. 8 2.4. MEASUREMENTINSTRUMENTSLIST ........................................................................................................................................... 9 2.5.TESTSOFTWARE ..................................................................................................................................................................... 9 3.TESTITEMANDRESULTS ........................................................................................................................................................ 10 3.1.ANTENNAREQUIREMENT ................................................................................................................................................ 10 3.2. CONDUCTEDEMISSION ......................................................................................................................................................... 11 3.3.BANDWIDTH ....................................................................................................................................................................... 14 3.4.PEAKOUTPUTPOWER .......................................................................................................................................................... 31 3.5. POWERSPECTRALDENSITY .................................................................................................................................................... 33 3.6.BANDEDGEANDSPURIOUSEMISSION(CONDUCTED) ................................................................................................................. 42 3.7.BANDEDGEEMISSIONS(RADIATED) ..................................................................................................................................... 51 3.8. SPURIOUSEMISSION(RADIATED) ........................................................................................................................................... 56 4.EUTTESTPHOTOS .................................................................................................................................................................. 67 5.PHOTOGRAPHSOFEUTCONSTRUCTIONAL .......................................................................................................................... 68 Page3of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 1.TESTSUMMARY 1.1.TestStandards Thetestswereperformedaccordingtofollowingstandards: FCCRulesPart15.247:Operationwithinthebandsof902-928MHz,2400-2483.5MHz,and 5725-5850MHz. ANSIC63.10-2013:AmericanNationalStandardforTestingUnlicensedWirelessDevices. 1.2.Reportversion RevisedNo.DateofissueDescription 01May25,2020Original Page4of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 1.3.TestDescription FCCPart15SubpartC(15.247) TestItem StandardSection Result Test Engineer FCC AntennaRequirement15.203 PassEmiyaLin ConductedEmission15.207 Pass EmiyaLin 6dB&99%Bandwidth15.247(a)(2) PassEmiyaLin PeakOutputPower15.247(b) Pass EmiyaLin PowerSpectralDensity15.247(e) PassEmiyaLin RestrictedBand15.247(d)/15.205 Pass EmiyaLin BandEdgeandSpuriousEmission(Conducted)15.247(d) PassEmiyaLin SpuriousEmission(Radiated)15.247(d)&15.209 Pass EmiyaLin Note:Themeasurementuncertaintyisnotincludedinthetestresult. Page5of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 1.4.TestFacility Addressofthereportlaboratory KSIGN(Guangdong)TestingCo.,Ltd. WestSideof1/F.,BuildingC,ZoneA,FuyuanNewFactory,JiujiuIndustrialPark,Minzhu,Shatou,Shajing, Bao'anDistrict,Shenzhen,Guangdong,People’sRepublicofChina Laboratoryaccreditation Thetestfacilityisrecognized,certified,oraccreditedbythefollowingorganizations: CNAS-LabCode:L13261 KSIGN(Guangdong)TestingCo.,Ltd.hasbeenassessedandprovedtobeinCompliancewithCNAS-CL01 AccreditationCriteriaforTestingandCalibrationLaboratories(identicaltoISO/IEC17025:2017General Requirements)fortheCompetenceofTestingandCalibrationLaboratories. A2LA-LabCert.No.:5457.01 KSIGN(Guangdong)TestingCo.,Ltd.…

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Page28of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 2437MHz 2462MHz Page29of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestMode:802.11n(HT40)Mode Channelfrequency(MHz)99%Bandwidth (MHz) Limit (MHz) 2422 36.044 >=0.5 2437 35.964 2452 36.044 2422MHz Page30of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 2437MHz 2452MHz Page31of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 3.4.PeakOutputPower Limit TestItemLimitFrequencyRange(MHz) PeakOutputPower1Wattor30dBm2400~2483.5 TestConfiguration TestProcedure 1.TheEUTwasdirectlyconnectedtothespectrumanalyzerandantennaoutputportasshowintheblock diagramabove. 2.Themeasurementisaccordingtosection9.1.2ofKDB558074D0115.247DTSMeasGuidancev05. 3.SpectrumSetting: SetanalysercenterfrequencytoDTSchannelcenterfrequency. SettheRBWto:1MHz SettheVBWto:3MHz Detector:peak Sweeptime:auto Allowtracetofullystabilize.Thenusethepeakmarkerfunctiontodeterminethemaximumamplitudelevel. 4.ThepowersensorvideobandwidthisgreaterthanorequaltotheDTSbandwidthoftheequipment. TestMode Pleaserefertotheclause2.3 TestResult Page32of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. Mode Channelfrequency (MHz) TestResult(dBm)Limit(dBm) 802.11b 241213.73 30 243713.69 246213.49 802.11g 241211.35 243711.34 246211.23 802.11n (HT20) 24129.27 24379.27 24629.19 802.11n （HT40） 24229.58 24379.42 24529.39 Result ： PASS Page33of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 3.5.PowerSpectralDensity Limit FCCPart15SubpartC(15.247) TestItemLimitFrequencyRange(MHz) PowerSpectralDensity8dBm(inany3kHz)2400~2483.5 TestConfiguration TestProcedure 1.TheEUTwasdirectlyconnectedtothespectrumanalyzerandantennaoutputportasshowintheblock diagramabove. 2.TheEUTwasdirectlyconnectedtotheSpectrumAnalyzerandantennaoutputportasshowintheblock diagramabove.Themeasurementaccordingtosection10.2ofKDB558074D0115.247DTSMeas Guidancev05. 3.SpectrumSetting: SetanalysercenterfrequencytoDTSchannelcenterfrequency. Setthespanto1.5timestheDTSbandwidth. SettheRBWto:10kHz SettheVBWto:30kHz Detector:peak Sweeptime:auto Allowtracetofullystabilize.Thenusethepeakmarkerfunctiontodeterminethemaximumamplitudelevel. TestMode Pleaserefertotheclause2.3 TestResult Note: PowerDensity(dBm/3kHz)=PowerDensity(dBm/10kHz)-10*Log(10/3) Page34of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestMode:802.11bMode ChannelFrequency (MHz) PowerDensity (dBm/10kHz) PowerDensity (dBm/3kHz) Limit (dBm) 2412-8.10 -13.33 8dBm/3kHz2437-8.22 -13.45 2462-8.60 -13.83 2412MHz Page35of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 2437MHz 2462MHz Page36of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestMode:802.11gMode ChannelFrequency (MHz) PowerDensity (dBm/10kHz) PowerDensity (dBm/3kHz) Limit (dBm) 2412-17.90 -23.13 8dBm/3kHz2437-18.86 -24.09 2462-18.35 -23.58 2412MHz Page37of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 2437MHz 2462MHz Page38of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestMode:802.11n(HT20)Mode ChannelFrequency (MHz) PowerDensity (dBm/10kHz)PowerDensity (dBm/3kHz) Limit (dBm) 2412-19.77-25.00 8dBm/3kHz 2437-19.91 -25.14 2462-19.98 -25.21 2412MHz Page39of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 2437MHz 2462MHz Page40of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestMode:802.11n(HT40)Mode ChannelFrequency (MHz) PowerDensity (dBm/10kHz)PowerDensity (dBm/3kHz) Limit (dBm) 2422-22.42 -27.65 8dBm/3kHz2437-22.69 -27.92 2452-22.36 -27.59 2422MHz Page41of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 2437MHz 2452MHz Page42of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 3.6.BandedgeandSpuriousEmission(conducted) Limit FCCCFRTitle47Part15SubpartCSection15.247(d): Inany100kHzbandwidthoutsidethefrequencybandinwhichthespreadspectrumintentionalradiatoris operating,theradiofrequencypowerthatisproducedbytheintentionalradiatorshallbeatleast20dBbelow thatinthe100kHzbandwidthwithinthebandthatcontainsthehighestlevelofthedesiredpower,basedon eitheranRFconductedoraradiatedmeasurement. TestConfiguration TestProcedure 1.Connecttheantennaport(s)tothespectrumanalyzerinput. 2.Establishareferencelevelbyusingthefollowingprocedure Centerfrequency=DTSchannelcenterfrequency Thespan=1.5timestheDTSbandwidth. RBW=100kHz,VBW≥3xRBW Detector=peak,Sweeptime=autocouple,Tracemode=maxhold Allowtracetofullystabilize UsethepeakmarkerfunctiontodeterminethemaximumPSDlevel Note:thechannelfoundtocontainthemaximumPSDlevelcanbeusedtoestablishthereferencelevel. 3.Emissionlevelmeasurement Setthecenterfrequencyandspantoencompassfrequencyrangetobemeasured RBW=100kHz,VBW≥3xRBW Detector=peak,Sweeptime=autocouple,Tracemode=maxhold Allowtracetofullystabilize Usethepeakmarkerfunctiontodeterminethemaximumamplitudelevel. 4.Placetheradioincontinuoustransmitmode,allowthetracetostabilize,viewthetransmitterwaveformon thespectrumanalyzer. 5.Ensurethattheamplitudeofallunwantedemissionsoutsideoftheauthorizedfrequencybandexcluding restrictedfrequencybands)areattenuatedbyatleasttheminimumrequirementsspecified(atleast20dB relativetothemaximumin-bandpeakPSDlevelin100kHz).Reportthethreehighestemissionsrelativeto thelimit. TestMode Pleaserefertotheclause2.3. TestResults Page43of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 802.11b CH01-BandedgeCH11-Bandedge

Page44of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 802.11b CH01-SE CH06-SE CH11-SE Page45of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 802.11g CH01-BandedgeCH11-Bandedge Page46of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 802.11g CH01-SE CH06-SE CH11-SE Page47of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 802.11n(HT20) CH01-BandedgeCH11-Bandedge Page48of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 802.11n(HT20) CH01-SE CH06-SE CH11-SE Page49of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 802.11n(HT40) CH03-BandedgeCH09-Bandedge

Page50of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 802.11n(HT40) CH03-SE CH06-SE CH09-SE Page51of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 3.7.BandEdgeEmissions (Radiated) Limit RestrictedFrequencyBand (MHz) (dBuV/m)(at3m) PeakAverage 2310~23907454 2483.5~25007454 Note:Allrestrictionbandshavebeentested,onlytheworstcaseisreported. TestConfiguration TestProcedure 1.TheEUTwassetupandtestedaccordingtoANSIC63.10:2013requirements. 2.TheEUTisplacedonaturntablewhichis1.5meteraboveground.Theturntableisrotated360degreesto determinethepositionofthemaximumemissionlevel. 3.TheEUTwaspositionedsuchthatthedistancefromantennatotheEUTwas3meters. 4.Theantennaisscannedfrom1meterto4meterstofindoutthemaximumemissionlevel.Thisis repeated forbothhorizontalandverticalpolarizationoftheantenna.Inordertofindthemaximumemission,allofthe interfacecablesweremanipulatedaccordingtoANSIC63.10:2013onradiatedmeasurement. 5.Thereceiversetasfollow: RBW=1MHz,VBW=3MHzPEAKdetectorforPeakvalue. RBW=1MHz,VBW=10HzwithAveragedetectorforAverageValue. TestMode Pleaserefertotheclause2.3. TestResults Note: 1.Measurement=Readinglevel+CorrectFactor CorrectFactor=AntennaFactor+CableLoss-PreamplifierFactor 2.Pre-scan802.11b,802.11g,802.11n(HT20)and802.11n(HT40)mode,andfoundthe802.11bmodewhich itisworsecase,soonlyshowthetestdataforworsecase. Page52of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC14.8V Ant.Pol.Horizontal TestMode:802.11bMode2412MHz Measurement=Readinglevel+CorrectFactor Page53of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC14.8V Ant.Pol.Vertical TestMode:802.11bMode2412MHz Measurement=Readinglevel+CorrectFactor Page54of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC14.8V Ant.Pol.Horizontal TestMode:802.11bMode2462MHz Measurement=Readinglevel+CorrectFactor Page55of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC14.8V Ant.Pol.Vertical TestMode:802.11bMode2462MHz Measurement=Readinglevel+CorrectFactor Page56of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 3.8.SpuriousEmission(Radiated) Limit RadiatedEmissionLimits(9kHz~1000MHz) Frequency (MHz) FieldStrength (microvolt/meter) MeasurementDistance (meters) 0.009~0.4902400/F(KHz)300 0.490~1.70524000/F(KHz)30 1.705~30.03030 30~881003 88~2161503 216~9602003 Above9605003 RadiatedEmissionLimit(Above1000MHz) Frequency (MHz) DistanceMeters(at3m) PeakAverage Above10007454 Note: (1)Thetighterlimitappliesatthebandedges. (2)EmissionLevel(dBuV/m)=20logEmissionLevel(uV/m). TestConfiguration Below30MHzTestSetup Page57of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. Below1000MHzTestSetup Above1GHzTestSetup TestProcedure 1.TheEUTwassetupandtestedaccordingtoANSIC63.10:2013 2.TheEUTisplacedonaturntablewhichis0.8meterabovegroundforbelow1GHz,and1.5mforabove1 GHz.Theturntableisrotated360degreestodeterminethepositionofthemaximumemissionlevel. 3.TheEUTwasset3metersfromthereceivingantenna,whichwasmountedonthetopofavariableheight antennatower. 4.Foreachsuspectedemission,theEUTwasarrangedtoitsworstcaseandthentunetheAntennatower (from1mto4m)andturntable(from0degreeto360degrees)tofindthemaximumreading.Apre-amp andahighpassfilterareusedforthetestinordertogetbettersignalleveltocomplywiththeguidelines. 5.SettothemaximumpowersettingandenabletheEUTtransmitcontinuously. 6.Usethefollowingspectrumanalyzersettings (1)Spanshallwideenoughtofullycapturetheemissionbeingmeasured; (2)Below1GHz: RBW=120kHz,VBW=300kHz,Sweep=auto,Detectorfunction=peak,Trace=maxhold; IftheemissionleveloftheEUTmeasuredbythepeakdetectoris3dBlowerthantheapplicablelimit,the peakemissionlevelwillbereported.Otherwise,theemissionmeasurementwillberepeatedusingthe quasi-peakdetectorandreported. (3)From1GHzto10 th harmonic: RBW=1MHz,VBW=1MHzPeakdetectorforPeakvalue. RBW=1MHz,VBW=10HzRMSdetectorforAveragevalue. Page58of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestMode Pleaserefertotheclause2.3. TestResult 9KHz~30MHzand18GHz~25GHz From9KHz~30MHzand18GHz~25GHz:Conclusion:PASS Note: 1)Measurement=Readinglevel+CorrectFactor CorrectFactor=AntennaFactor+CableLoss-PreamplifierFactor 2)Thepeaklevelislowerthanaveragelimit(54dBuV/m),thisdataisthetooweakinstrumentofsignalis unabletotest. 3)Theemissionlevelsofotherfrequenciesareverylowerthanthelimitandnotshowintestreport. 4)Theamplitudeofspuriousemissionswhichareattenuatedbymorethan20dBbelowthepermissiblevalue hasnoneedtobereported. 5)Pre-scan802.11b/g/n(HT20/HT40)modulation,andfoundthe802.11bmodulation2412MHzwhichitis worsecasefor30MHz-1GHz,soonlyshowthetestdataforworsecase. 6)Pre-scan802.11b/g/n(HT20/HT40)modulation,andfoundthe802.11bmodulationwhichitisworsecasefor above1GHz,soonlyshowthetestdataforworsecase. Page59of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. 30MHz-1GHz TestVoltage:DC14.8V Ant.Pol.Horizontal TestMode:TX802.11bMode2412MHz Measurement=ReadingLevel+CorrectFactor Page60of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC14.8V Ant.Pol.Vertical TestMode:TX802.11bMode2412MHz Measurement=ReadingLevel+CorrectFactor Page61of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. Adobe1GHz TestVoltage:DC14.8V Ant.Pol.Horizontal TestMode:TX802.11bMode2412MHz Remark:Noreportfortheemissionwhichmorethan10dBbelowthe prescribedlimit. Measurement=Readinglevel+CorrectFactor Page62of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC14.8V Ant.Pol.Vertical TestMode:TX802.11bMode2412MHz Remark:Noreportfortheemissionwhichmorethan10dBbelowthe prescribedlimit. Measurement=Readinglevel+CorrectFactor Page63of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC14.8V Ant.Pol.Horizontal TestMode:TX802.11bMode2437MHz Remark:Noreportfortheemissionwhichmorethan10dBbelowthe prescribedlimit. Measurement=Readinglevel+CorrectFactor Page64of68ReportNo.:KS2005S00097E KSIGN(Guangdong)TestingCo.,Ltd. TestVoltage:DC14.8V Ant.Pol.Vertical TestMode:TX802.11bMode2437MHz Remark:Noreportfortheemissi…

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FCCID:2AT9WMT-700668 RadiatedEmissions (30MHz~1000MHz) RadiatedEmissions (Above1G) RFConducted ConductedEmissionForACMainsPowerPorts