2AWHY-B0001WUUK Chime

FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ‐‐ Reorient or relocate the receiving antenna. ‐‐ Increase the separation between the equipment and receiver. ‐‐ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ‐‐ Consult the dealer or an experienced radio/TV technician for help. FCC Radiation Exposure Statement The antennas used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co‐located for operating in conjunction with any other antenna or transmitter. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation. Having troubles? Connect with us and join the WUUK online community [email protected] www.facebook.com/WUUK- Labs/twitter.com/DoorbellWuuk support.wuuklabs.com

<WUUKLABSCORP.> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:May.25,2020 Subject;RequestforLongTermConfidentiality FCCID:2AWHY-B0001 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,weare requestingtheCommissiontowithholdthefollowingattachment(s)asconfidentialdocumentsfrom publicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredasproprietary informationinoperationoftheequipment.Thepublicdisclosureofthesedocumentsmightbeharmfulto ourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatandcorrespondenceduring thecertificationreviewprocesscannotbegrantedasconfidentialdocumentsandthisinformationwillbe availableforpublicreviewoncethegrantofequipmentauthorizationisissued. Sincerely, Signature: Name:YangXie Title:Manager

WUUKLABSCORP. LetterofAuthorization Company:WUUKLABSCORP. Address:16192COASTALHWY,LEWES,DE19958,UnitedStates ProductName:WUUKChime ModelNumber:B0001 FCCIdentifier:2AWHY-B0001 WeauthorizeMiCOMLabsInc,575BoulderCourt,Pleasanton,California94566, USA,toactonourbehalfonallmattersconcerningtheabovenamedequipment. AnyindividualwithinMiCOMLabsisauthorizedtoactonourbehalfandtake actionontheapplication. WedeclarethatMiCOMLabsInc,575BoulderCourt,Pleasanton,California 94566,USA,isallowedtoforwardallinformationrelatedtotheapprovalproject totheFederalCommunicationCommissionandtodiscussanyissues concerningtheapprovalapplication.AnyandallactscarriedoutbyMiCOMLabs onourbehalfshallhavethesameeffectasactsofourown. Name:YangXieDate:May.25,2020 Title:Manager Signatureofapplicant:

Model:B0001 Model:B0001 Model:B0001

FCCIDLABEL: LabelLocation: FCCID:2AWHY-B0001 Productname:WUUKChime ModelNo.:B0001 ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference (2)Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmay causeundesiredoperation. Long:3cm Width:2cm

Model:B0001 Model:B0001 Model:B0001 Model:B0001 Model:B0001 Antenna

MPEESTIMATION FCCID:2AWHY-B0001 1.LimitforGeneralPopulation/UncontrolledExposures FrequencyPowerdensity(mW/cm2)Averagingtime(minutes) 300MHz---1.5GHzF/150030 1.5GHz---100GHz1.030 Note:F=FrequencyinMHz 2.EstimationResult TheprototypedoesnotuseMIMOtechnology.Theprototypeisadual-antenna product,#1istheleftantenna,#2istherightantenna. Mode MaxPKOutput power(dBm) TuneUp Power(dBm) MaxTuneUp power(mW) Antenna Gain(dBi) AntennaGain (linear) MPE (mW/cm²) #1 11b14.2314±1(15)31.6221.58490.009975 11g 13.72 13±1(14)25.1221.58490.007925 11n/HT2013.6913±1(14)25.1221.58490.007925 11n/HT4012.9912±1(13)19.9521.58490.006294 #2 11b14.1914±1(15)31.6221.58490.009975 11g 13.89 13±1(14)25.1221.58490.007925 11n/HT2013.4213±1(14)25.1221.58490.007925 11n/HT4012.8912±1(13)19.9521.58490.006294 Note: Note:Theestimationdistanceis20cm. Note:PKOutputpower=conductedpower. ConductedpowerseethetestreportUNIA20041504ER-01,antennagain=2dBi. Conclusion:ComplianceRFExposurerequirement. ------TheEnd----

Page1of115ReportNo.:UNIA20041504ER-01 FCCRADIOTESTREPORT FCCID:2AWHY-B0001 ProductName ： WUUKChime TradeMark ： WUUK ModelName： B0001 SerialModel： N/A ReportNo.： UNIA20041504ER-01 Preparedfor WUUKLABSCORP. 16192COASTALHWY,LEWES,DE19958,UnitedStates Preparedby ShenzhenUnitedTestingTechnologyCo.,Ltd. 2F,AnnexBldg,JiahuangyuanTechPark,#365Baotian1Rd,Tiegang Community,XixiangStr,Bao'anDistrict,Shenzhen,China Page2of115ReportNo.:UNIA20041504ER-01 TESTRESULTCERTIFICATION Applicant’sname....................: WUUKLABSCORP. Address ...................................... : 16192COASTALHWY,LEWES,DE19958,UnitedStates Manufacture'sName .............. : WUUKLABSCORP. Address ...................................... : Ste916,No.258GuoXiaRd,YangpuDist,Shanghai,China Productdescription ProductName.............................. : WUUKChime TradeMark.................................: WUUK ModelName ............................ : B0001 Standards..................................: FCCRulesandRegulationsPart15SubpartCSection15.247 ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedbyShenzhenUnitedTestingTechnology Co.,Ltd.,andthetestresultsshowthattheequipmentundertest(EUT)isincompliance withtheFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedinthe report. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofUNI,this documentmaybealteredorrevisedbyShenzhenUnitedTestingTechnologyCo.,Ltd., personnelonly,andshallbenotedintherevisionofthedocument. DateofTest...............................................: Date(s)ofperformanceoftests...............: Apr.15,2020~May.20,2020 DateofIssue .............................................. : May.20,2020 TestResult..................................................:Pass Preparedby: Bobliao/Editor Reviewer: Kahnyang/Supervisor Approved&AuthorizedSigner: Liuze/Manager Page3of115ReportNo.:UNIA20041504ER-01 TableofContentsPage 1TESTSUMMARY....................................................................................................................5 2GENERALINFORMATION....................................................................................................7 2.1GENERALDESCRIPTIONOFEUT.........................................................................................7 2.2CARRIERFREQUENCYOFCHANNELS..............................................................................8 2.3TESTMODE.................................................................................................................................8 2.4TESTSETUP................................................................................................................................9 2.5DESCRIPTIONTESTPERIPHERALANDEUTPERIPHERAL..........................................9 2.6MEASUREMENTINSTRUMENTSLIST...............................................................................10 3CONDUCTEDEMISSION .................................................................................................... 11 3.1TESTLIMIT.................................................................................................................................11 3.2TESTSETUP..............................................................................................................................11 3.3TESTPROCEDURE.................................................................................................................12 3.4TESTRESULT...........................................................................................................................12 4RADIATEDEMISSION.........................................................................................................15 4.1TESTLIMIT ................................................................................................................................. 15 4.2TESTSETUP ............................................................................................................................. 16 4.3TESTPROCEDURE ................................................................................................................. 17 4.4TESTRESULT ........................................................................................................................... 17 5OCCUPIEDBANDWIDTH...................................................................................................40 5.1TESTLIMIT.................................................................................................................................40 5.2TESTPROCEDURE.................................................................................................................40 5.3EQUIPMENTUSED..................................................................................................................40 5.4TESTRESULT...........................................................................................................................40 6POWERSPECTRALDENSITY .......................................................................................... 57 6.1TESTLIMIT.................................................................................................................................57 6.2TESTPROCEDURE.................................................................................................................57 6.3EQUIPMENTUSED..................................................................................................................57 6.4TESTRESULT...........................................................................................................................57 7PEAKOUTPUTPOWER.....................................................................................................74 7.1TESTLIMIT ................................................................................................................................. 74 7.2TESTPROCEDURE ................................................................................................................. 74 7.3EQUIPMENTUSED .........................…

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Page 61 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz CH11: 2462MHz Page 62 of 115Report No.: UNIA20041504ER-01 TX 802.11n/HT20 Mode Frequency (MHz) Power Density (dBm/3kHz) Limit (dBm/3kHz) Result 2412-14.1538PASS 2437-14.5878PASS 2462-14.3998PASS CH01: 2412MHz Page 63 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz CH11: 2462MHz Page 64 of 115Report No.: UNIA20041504ER-01 TX 802.11n/HT40 Mode Frequency (MHz) Power Density (dBm/3kHz) Limit (dBm/3kHz) Result 2422-16.6538PASS 2437-16.3258PASS 2452-16.0318PASS CH03: 2422MHz Page 65 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz CH09: 2452MHz Page 66 of 115Report No.: UNIA20041504ER-01 #2 TX 802.11b Mode Frequency (MHz) Power Density (dBm/3kHz) Limit (dBm/3kHz) Result 24120.4848PASS 2437-0.3858PASS 2462-0.7448PASS CH01: 2412MHz Page 67 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz CH11: 2462MHz Page 68 of 115Report No.: UNIA20041504ER-01 TX 802.11g Mode Frequency (MHz) Power Density (dBm/3kHz) Limit (dBm/3kHz) Result 2412-13.7748PASS 2437-14.8278PASS 2462-15.3108PASS CH01: 2412MHz Page 69 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz CH11: 2462MHz Page 70 of 115Report No.: UNIA20041504ER-01 TX 802.11n/HT20 Mode Frequency (MHz) Power Density (dBm/3kHz) Limit (dBm/3kHz) Result 2412-13.5358PASS 2437-14.1168PASS 2462-15.4908PASS CH01: 2412MHz Page 71 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz CH11: 2462MHz Page 72 of 115Report No.: UNIA20041504ER-01 TX 802.11n/HT40 Mode Frequency (MHz) Power Density (dBm/3kHz) Limit (dBm/3kHz) Result 2422-17.4188PASS 2437-18.3408PASS 2452-17.5518PASS CH03: 2422MHz Page 73 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz CH09: 2452MHz Page 74 of 115Report No.: UNIA20041504ER-01 7 PEAK OUTPUT POWER 7.1 TEST LIMIT FCC Part15(15.247), Subpart C SectionTest ItemLimit Frequency Range (MHz) Result 15.247(b)(3) Peak Output Power 1 watt or 30dBm 2400-2483.5PASS 7.2 TEST PROCEDURE 1. The EUT was placed on a turn table which is 0.8m above ground plane. 2. The EUT was directly connected to the Power meter. 7.3 EQUIPMENT USED Same as Radiated Emission Measurement. 7.4 TEST RESULT PASS Note: The prototype does not use MIMO technology. The prototype is a dual-antenna product, # 1 is the left antenna, # 2 is the right antenna Page 75 of 115Report No.: UNIA20041504ER-01 #1 Test Mode Frequency (MHz) Maximum Peak Conducted Output Power (dBm) LIMIT (dBm) 802.11b 241214.0330 243714.1630 246214.2330 802.11g 241213.6830 243713.6430 246213.7230 802.11n/HT20 241213.0630 243713.2430 246213.6930 802.11n/H420 242212.8930 243712.9930 245212.6830 #2 Test Mode Frequency (MHz) Maximum Peak Conducted Output Power (dBm) LIMIT (dBm) 802.11b 241214.1530 243714.1930 246214.0730 802.11g 241213.7230 243713.8930 246213.6230 802.11n/HT20 241213.4230 243713.3430 246213.3230 802.11n/H420 242212.6430 243712.8930 245212.7230 Page 76 of 115Report No.: UNIA20041504ER-01 8 OUT OF BAND EMISSIONS 8.1 TEST LIMIT In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated intentional radiator is operating, the radio frequency power that is produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired power, based on either an RF conducted or a radiated measurement, provided the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits based on the use of RMS averaging over a time interval, as permitted under paragraph (b)(3) of this section, the attenuation required under this paragraph shall be 30 dB instead of 20 dB. 8.2 TEST SETUP 8.3 TEST PROCEDURE 1. The EUT was placed on a turn table which is 0.8m above ground plane. 2. Set EUT as TX operation and connect directly to the spectrum analyzer. 3. Based on FCC Part15 C Section 15.247: RBW=100kHz, VBW=300kHz. 4. Set detected by the spectrum analyzer with peak detector. 8.4 TEST RESULT PASS Note: The prototype does not use MIMO technology. The prototype is a dual-antenna product, # 1 is the left antenna, # 2 is the right antenna Page 77 of 115Report No.: UNIA20041504ER-01 #1 TX 802.11b Mode: CH01: 2412MHz Page 78 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz Page 79 of 115Report No.: UNIA20041504ER-01 Page 80 of 115Report No.: UNIA20041504ER-01 CH11: 2462MHz Page 81 of 115Report No.: UNIA20041504ER-01 TX 802.11g Mode: CH01: 2412MHz Page 82 of 115Report No.: UNIA20041504ER-01 Page 83 of 115Report No.: UNIA20041504ER-01 CH106: 2437MHz Page 84 of 115Report No.: UNIA20041504ER-01 CH11: 2462MHz Page 85 of 115Report No.: UNIA20041504ER-01 Page 86 of 115Report No.: UNIA20041504ER-01 TX 802.11n/HT20 Mode: CH01: 2412MHz Page 87 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz Page 88 of 115Report No.: UNIA20041504ER-01 Page 89 of 115Report No.: UNIA20041504ER-01 CH11: 2462MHz Page 90 of 115Report No.: UNIA20041504ER-01 TX 802.11n/HT40 Mode: CH03: 2422MHz Page 91 of 115Report No.: UNIA20041504ER-01 Page 92 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz Page 93 of 115Report No.: UNIA20041504ER-01 CH09: 2452MHz Page 94 of 115Report No.: UNIA20041504ER-01 Page 95 of 115Report No.: UNIA20041504ER-01 #2 TX 802.11b Mode: CH01: 2412MHz Page 96 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz Page 97 of 115Report No.: UNIA20041504ER-01 Page 98 of 115Report No.: UNIA20041504ER-01 CH11: 2462MHz Page 99 of 115Report No.: UNIA20041504ER-01 TX 802.11g Mode: CH01: 2412MHz Page 100 of 115Report No.: UNIA20041504ER-01 Page 101 of 115Report No.: UNIA20041504ER-01 CH106: 2437MHz Page 102 of 115Report No.: UNIA20041504ER-01 CH11: 2462MHz Page 103 of 115Report No.: UNIA20041504ER-01 Page 104 of 115Report No.: UNIA20041504ER-01 TX 802.11n/HT20 Mode: CH01: 2412MHz Page 105 of 115Report No.: UNIA20041504ER-01 CH06: 2437MHz Page 106 of 115Report No.: UNIA20041504ER-01 Page 107 of 115Report No.: UNIA20041504ER-01 CH11: 2462MHz Page 108 of 115Report No.: UNIA20041504ER-01 TX 802.11n/HT40 Mode: CH03: 2…

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Model:B0001 Model:B0001