2BDUH-FZS-S1PROLearn about printers

FCC Requirement changesormodificationsnotexpresslyapprovedbythepartyresponsiblefor compliancecouldvoidtheuser’s authoritytooperatetheequipment. ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions: (1)thisdevicemaynotcauseharmfulinterference,and (2)thisdevicemustacceptanyinterferencereceived,includinginterferencethat maycauseundesiredoperation. Note:Thisequipmenthasbeentestedandfoundtocomplywiththelimitsfora ClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsare designedtoprovidereasonableprotectionagainstharmfulinterferenceina residentialinstallation.Thisequipmentgenerates,uses,andcanradiateradio frequencyenergy,andif notinstalledandusedinaccordancewiththeinstructions, maycauseharmfulinterferencetoradiocommunications.However,thereisno guaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthis equipmentdoescauseharmfulinterferencetoradioortelevisionreception,which canbedeterminedbyturningtheequipmentoffandon,theuserisencouragedto trytocorrecttheinterferencebyoneormoreofthefollowingmeasures: –Reorientorrelocatethereceivingantenna. –Increasetheseparationbetweentheequipmentandreceiver. –Connecttheequipmentintoanoutletona circuitdifferentfromthattowhichthe receiverisconnected. –Consultthedealeroranexperiencedradio/TVtechnicianforhelp. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 5mm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

(ShenzhenYuqiaofuTechnologyCo.,Ltd.) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023-12-11 FCCID:2BDUH-FZS-S1PRO Ref.#1:AttestationStatementsPart2.911(d)(5)(i)Filing (ShenzhenYuqiaofuTechnologyCo.,Ltd.)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Ref.#2:AttestationStatementsPart2.911(d)(5)(ii)Filing (ShenzhenYuqiaofuTechnologyCo.,Ltd.)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredListasanentity producing“covered”equipment. Applicant:ShenzhenYuqiaofuTechnologyCo.,Ltd. Address:Room1007,Building19,ZhonghaixinInnovationIndustryCity,No.11,Ganli2nd Road,GankengCommunity,JihuaStreet,LonggangDistrict,Shenzhen 2023-12-11 ContactPerson:ZhengxiangHuang Tel.:18899777712 Email:[email protected] Sincerely, Signature:

QUFUYUQIAOFUTECHNOLOGYCO.,LTD AntennaSpecification 1.Antennadescribe: Antennagain3.71dBi AntennamodelESP-ANTA Frequencyrange2400MHZ-2500MHZ ConnectortypeDirect ModelName2.4GFANT Impedance50Ohm AntennatypePCBANT Manufacture QUFUYUQIAOFUTECHNOLOGYCO.,LTD No.8ChuangyeAvenue,QufuEconomicDevelopmentZone (Lucheng) PCBAntenna: QUFUYUQIAOFUTECHNOLOGYCO.,LTD 2.AntennaRadiationPattern GainandEfficiency QUFUYUQIAOFUTECHNOLOGYCO.,LTD 2-DPatternPlots QUFUYUQIAOFUTECHNOLOGYCO.,LTD

ShenzhenYuqiaofuTechnologyCo.,Ltd. Date ： 2023-12-11 ProductModelNumber:FZS-S1Pro,FZS-S1Max,FZS-S1,FZS-C1,FZS- C1Max,FZS-C1Pro,FZS-P1,FZS-P1Max,FZS-P1 FCCID：2BDUH-FZS-S1PRO Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatORGANIZATION.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyORGANIZATION.onourbehalf shallhavethesameeffectasactsofourown. By: ContactListedonFCCWesbite Title:manager Email:[email protected] Telephone:18899777712 Onbehalfof:ShenzhenYuqiaofuTechnologyCo.,Ltd.

ShenzhenYuqiaofuTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:December11,2023 Subject;RequestforConfidentiality FCCID:2BDUH-FZS-S1PRO ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:ZhengxiangHuang Title:Manager

Shenzhen Yuqiaofu Technology Co., Ltd. Product Similarity Declaration Product name: Learn about printers Model name: FZS-S1 Pro, FZS-S1 Max, FZS-S1, FZS-C1, FZS-C1 Max, FZS-C1 Pro, FZS-P1, FZS-P1 Max, FZS-P1 FCC ID: 2BDUH-FZS-S1PRO We () hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model named different. Signature: Name:Zhengxiang Huang Title: Manager Place, date: Room 1007, Building 19, Zhonghaixin Innovation Industry City, No. 11, Ganli 2nd Road, Gankeng Community, Jihua Street, Longgang District, Shenzhen 2023-12-11

AnnexA ExternalPhotos TestModelNo.:FZS-S1ProPage1of4 TestModelNo.:FZS-S1ProPage2of4 TestModelNo.:FZS-S1ProPage3of4 TestModelNo.:FZS-S1ProPage4of4

Product Name: Learn about printers Model No.: FZS-S1 Pro FCC ID：2BDUH-FZS-S1PRO

AnnexB Internalphotos TestModelNo.:FZS-S1ProPage1of3 TestModelNo.:FZS-S1ProPage2of3 TestModelNo.:FZS-S1ProPage3of3 PCBAntenna

FCCID:2BDUH-FZS-S1PRO RFEXPOSUREEVALUATIONMETHOD AccordingtoKDB447498D01GeneralRFExposureGuidancev06,Unlessspecificallyrequiredbythe publishedRFexposureKDBprocedures,standalone1-gheadorbodyand10-gextremitySARevaluation forgeneralpopulationexposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhen thecorrespondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtestexclusion thresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]·[√f (GHz) ] ≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeusedto evaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF)Radiation asspecifiedin§1.1307(b) EUTSpecification EUT Learnaboutprinters Frequencyband (Operating) WLAN:2.412GHz~2.462GHz WLAN:5.150GHz~5.250GHz WLAN:5.725GHz~5.850GHz OthersBT:2402-2480MHz DevicecategoryPortable(<20cmseparation) Mobile(>20cmseparation) Others ExposureclassificationOccupational/Controlledexposure(S=5mW/cm2) GeneralPopulation/Uncontrolledexposure (S=1mW/cm 2 ) AntennadiversitySingleantenna Multipleantennas Txdiversity Rxdiversity Tx/Rxdiversity Max.outputpower-7.816dBm(0.00017W) Antennagain(Max)3.71dBi EvaluationappliedMPEEvaluation SAREvaluation FCCID:2BDUH-FZS-S1PRO RFEXPOSUREEVALUATIONMETHOD SARTestExclusionThresholdsfor100MHz – 6GHzand ≤ 50mm ApproximateSARTestExclusionPowerThresholdsatSelectedFrequenciesandTestSeparation DistancesareillustratedinthefollowingTable. The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)] · [ √ f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50 mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtest exclusion. FCCID:2BDUH-FZS-S1PRO Maximummeasuredtransmitterpower. Operating Mode Freque ncy Measur ed Power max. power Antenna Gain min.test separation distance [√f(GHz)] ResultLimit (MHz)(dBm)(mW)(dBi)(mm) GFSK 2402-2.4150.573.7151.5500.41773 2440-1.5610.703.7151.5620.51243 24800.6541.163.7151.5750.86033 Remark:Thebestcasegainoftheantennais3.71dBi. 3.71dBilogarithmictermsconverttonumericresultisnearly2.35 The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattest separationdistances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparation distance,mm)]·[√f(GHz)] ThetestResultislessthan3.0for1-gSARand≤7.5for10-gextremitySAR. Conclusion:NoSARisrequired.

BSL Testing Co.,Ltd. Report No.: BSL23110169P01-R01 Page 1 of 31 FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. ................... : FCC ID. .......................................... : BSL23110169P01-R01 2BDUH-FZS-S1PRO Compiled by ( position+printed name+signature) : Engineer/ Cindy Zheng Supervised by ( position+printed name+signature) : Manager/Haley Wen Approved by ( position+printed name+signature) : RF Manager/ Vivian Jiang Date of issue................................... : December 8, 2023 Testing Laboratory Name ............ : BSL Testing Co., Ltd. Address .......................................... : 1/F, Building B, Xinshidai GR Park,Shiyan Street, Bao'an District, Shenzhen,Guangdong, 518052, People’s Republic of China Applicant’s name .......................... : Shenzhen Yuqiaofu Technology Co., Ltd. Address .......................................... : Room 1007,Building 19,Zhonghaixin Innovation Industry City,No. 11,Ganli 2nd Road,Gankeng Community,Jihua Street,Longgang District,Shenzhen Test specification ......................... : Standard ......................................... : FCC Part 15.247 BSL Testing Co., Ltd.All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the BSL Testing Co., Ltd. is acknowledged as copyright owner and source of the material. BSL Testing Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Equipment description ................ : Learn about printers Trade Mark ..................................... : N/A Manufacturer .................................. : QUFU YUQIAOFU TECHNOLOGY CO., LTD. Model/Type reference .................... : FZS-S1 Pro Listed Models ................................ : FZS-S1 Max, FZS-S1, FZS-C1, FZS-C1 Max, FZS-C1 Pro, FZS-P1, FZS-P1 Max, FZS-P1 Modulation ..................................... : GFSK Frequency........................................ From 2402MHz to 2480MHz Ratings ........................................... : DC 8.4V from adaptor Result ............................................. : PASS BSL Testing Co.,Ltd. Report No.: BSL23110169P01-R01 Page 2 of 31 TEST REPORT Equipment under Test : Learn about printers Model /Type : FZS-S1 Pro Listed Models : FZS-S1 Max, FZS-S1, FZS-C1, FZS-C1 Max, FZS-C1 Pro, FZS-P1, FZS-P1 Max, FZS-P1 Model Declaration : PCB board, structure and internal of these model(s) are the same,So no additional models were tested. Applicant : Shenzhen Yuqiaofu Technology Co., Ltd. Address : Room 1007,Building 19,Zhonghaixin Innovation Industry City,No. 11,Ganli 2nd Road,Gankeng Community,Jihua Street,Longgang District,Shenzhen Manufacturer : QUFU YUQIAOFU TECHNOLOGY CO., LTD Address : No. 8 Chuangye Avenue, Qufu Economic Development Zone (Lucheng) Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. BSL Testing Co.,Ltd. Report No.: BSL23110169P01-R01 Page 3 of 31 Contents 1 T E S T S T A N D A R D S ................................................................. 4 2 S U M M A R Y ............................................................................ 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Equipment Under Test 5 2.4 Short description of the Equipment under Test (EUT) 5 2.5 EUT operation mode 6 2.6 Block Diagram of Test Setup 6 2.7 Related Submittal(s) / Grant (s) 6 2.8 Modifications 6 3 T E S T E N V I R O N M E N T .............................................................. 7 3.1 Address of the test laboratory 7 3.2 Test Facility 7 3.3 Environmental conditions 7 3.4 Summary of measurement results 8 3.5 Statement of the measurement uncertainty 8 3.6 Equipments Used during the Test 8 4 T E S T C O N D I T I O N S A N D R E S U L T S ........................................... 11 4.1 AC Power Conducted Emission 11 4.2 Radiated Emissions and Band Edge 14 4.3 Maximum Peak Output Power 21 4.4 Power Spectral Density 22 4.5 6dB Bandwidth 24 4.6 Out-of-band Emissions 26 4.7 Antenna Requirement 29 5 T E S T S E T U P P H O T O S O F T H E E U T ......................................... 30 6 P H O T O S O F T H E E U T ........................................................... 31 BSL Testing Co.,Ltd. Report No.: BSL23110169P01-R01 Page 4 of 31 1 T E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz. ANSI C63.10-2013: American National Standard for Testing Unlicensed Wireless Devices KDB558074 D01 V05r02: Guidance for Performing Compliance Measurements on Digital Transmission Systems (DTS) Operating Under §15.247 BSL Testing Co.,Ltd. Report No.: BSL23110169P01-R01 Page 5 of 31 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : December 1, 2023 Testing commenced on : December 1, 2023 Testing concluded on : December 8, 2023 2.2 Product Description Product Description: Learn about printers Model/Type reference: FZS-S1 Pro Listed Models: FZS-S1 Max, FZS-S1, FZS-C1, FZS-C1 Max, FZS-C1 Pro, FZS-P1, FZS-P1 Max, FZS-P1 Power supply: DC 8.4V from adaptor Adapter information: Model: WH040A-0843000U Input:AC 100-240V 50/60Hz 1.0A max Output:DC 8.4V 3.0A Manufacture:SHENZHEN WENHANG TECHNOLOGY CO,LTD Testing sample ID： BSL23110169P01-R01-1# (Engineer sample), BSL23110169P01-R01-2# (Normal sample) Bluetooth BLE Supported type: Bluetooth low Energy Modulation: GFSK Operation frequency: 2402MHz to 2480MHz Channel number: 40 Channel separation: 2 MHz Antenna type: PCB antenna Antenna gain: 3.71 dBi 2.3 Equipment Under Test Power supply system utilised Power supply voltage : ○ 230V / 50 Hz ○ 120V / 60Hz ○ 12 V DC ○ 24 V DC ● Ot…

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FCC ID：2BDUH-FZS-S1PRO FCC ID：2BDUH-FZS-S1PRO