2BASI-WY350AUTOMATIC SWIMMING POOL CLEANER

AUTOMATIC SWIMMING POOL CLEANERR User Manual WY350 EN 1 READ AND KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE Thank you for purchasing WYBOTICS Robotic Pool Cleaner. If you have any question or issue, please contact us for customer service. 2 CONTENTS Important Safety Instructions ...................................................01 1. Brief introduction to product ...............................................03 2. Packing List ...........................................................................04 3. Schematic diagram of product .............................................05 4. Specifications and parameters .............................................06 5. Instructions for use ...............................................................07 LIMITED WARRANTY .................................................................15 01 Important Safety Instructions 1. When the cleaner is placed on shore or is taken out from the pool, please make sure to turn off the power supply, otherwise it will easily cause serious damage to the cleaner. 2. The power cord of the cleaner must be plugged into the socket with leakage protection device. No one is allowed to enter the swimming pool when the cleaner is working, so as to avoid danger and injury. 3. When putting the cleaner into the swimming pool or take it out from the swimming pool, you must hold the handle. Do not pull the cable. Before starting the cleaner every time, exhaust the gas in the machine as much as possible (there is no bubbles or the machine completely sinks to the bottom of the pool), so as to avoid the gas affecting the normal operation of the cleaner. 4. Before starting the cleaner, it must be confirmed that the cable is completely relaxed, so as to avoid cable entanglement during work, which will affect the cleaning effect of the cleaner. In serious cases, it may cause damage to the cleaner. 5. Clean the filter basket in time after each use of the cleaner, so as not to affect the work of the cleaner due to excessive dirt in the filter basket. 6. When the cleaner is not in use, please store the cleaner in a cool and ventilated place indoors. Avoid direct sunlight. 7. When the cleaner is working, the power supply control box should be placed in the shade. Do not place or cover anything on the power supply control box to prevent damage to the internal electrical components due to overheating. 02 8. Non-professionals shall not disassemble the main machine body of the cleaner and the power supply control box at will, to avoid danger or avoid damage to the cleaner. 9. To prevent accidents, it is recommended that the power supply box should be connected to the fixtures beside the pool with safety ropes before use. 10. It is strictly forbidden to use this machine beyond its operating conditions. Please read this user manual carefully before using the machine. 11. Ensure that the PH value of the water of the swimming pool is 7.0- 7.2. 12. It is forbidden to put water treatment chemicals into the machine, to use the machine for chemical distributing. If the machine is damaged for this reason, the manufacturer is not responsible for the warranty. 03 1. Brief introduction to product WY350 is a high-end series product, which integrates the most advanced technology of swimming pool cleaning robot, including sensor integration, intelligent path planning, self-adaption to swimming pool, super obstacle-surmounting capacity, high-efficiency dirt suction, remote control and upgrade functions. It is suitable for large/medium swimming pools. The machine has strong climbing function and can work flexibly in swimming pools made of PVC, ceramic tiles, cement and other materials. The machine is equipped with 3-motor drive system, it can easily solve the problem of line winding. The machine is equipped with high-precision gyroscope, infrared, and it adopts multi-sensor integration algorithm. It can provide the optimal path planning according to the shape and size of the swimming pool to achieve efficient and high-quality cleaning effect. The main machine body is powered by low-voltage DC 28V power supply, it has high safety and reliability. Before using this product, please read the manual carefully so that you can use this machine correctly. 04 2. Packing List S/NNameSpecificationsQuantity (pieces) 1Main machine body of the cleanerWY3501 2Power supply boxPower I 1301 3User Manual1 4Quick guide manual1 5Certificates of conformity1 05 3. Schematic diagram of product Roller Handle Filter basket Swivel Floating Cord Power Supply Unit 06 4. Specifications and parameters 1. ModelWY350 2. Rated input voltage 100~240VAC, 50Hz/60Hz 3. Rated output voltageDC 28V 4. Rated power100W 5. Working modes Pool bottom mode/wall mode/whole pool mode/waterline mode 6. Cable length18m 7. Filtration volumeAbout 15m³/h 8. Filter density180μm 9. Maximum cleaning areaUp to 1399sq. ft(130m 2 ) 10. Waterproof levelCleaner IPX8, power supply box IPX5 11. Pool water temperature50 °F -95 °F (10~+35 °C ) 12. Creeping speed11m/min~16m/min 13. Product sizeL460mm*W440mm*H245mm 14. WeightMain machine body 9.5Kg±0.1Kg 15. Storage condition41 °F -95 °F (5 °C -35 °C ), RH≤75% 07 5. Instructions for use 5.1 Setup a. Attach the blue cable to the power supply by inserting it with the notch on the connector, lined up to the groove in the socket on the power supply, turn it clockwise. b. The power supply control box must be placed in a suitable position to ensure that the cleaner can reach every corner of the swimming pool. At the same time, the position of the power supply control box should not be less than 3.5 meters from the edges of the swimming pool. 08 3.5M 5.2 When putting the cleaner into the swimming pool, the bottom of the cleaner shall face the pool wall a. Hold the handle and put the cleaner into the water. And the cleaner will slowly discharge the gas (the gas in the cleaner must be completely discharged, otherwise it will affect the normal operation of the machine). Make …

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Rev 1/26/2023 WYBOTICS CO., LTD. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023/04/11 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BASI-WY350 WYBOTICS CO., LTD. (“Aimin Zhuang”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, ------------------------------- Aimin Zhuang Rev 1/26/2023 WYBOTICS CO., LTD. Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023/04/11 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BASI-WY350 WYBOTICS CO., LTD. (“Aimin Zhuang”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, ------------------------------- Aimin Zhuang

WYBOTICSCO.,LTD. TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCC. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 4/11/23 U.S.AgentDesignation WYBOTICSCO.,LTD.acknowledgestheirconsentforthefollowingcontactlocatedintheUnited Statestoactastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought (FCCID:2BASI-WY350): Contact:TimPayne CompanyU.S.agent:FCCUSAgent,LLC PhysicalU.S.addressofagent:3722IllinoisAvenue,SaintCharles,IL,60174,USA FRNofU.S.agent:0033402884 EmailaddressofU.S.agent:[email protected] PhoneofU.S.agent:708-571-3148 FCCUSAgent,LLCacknowledgestheirobligationtoacceptserviceofprocessonbehalfof WYBOTICSCO.,LTD. WYBOTICSCO.,LTD.acceptsitsobligationtomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminatedallmarketingand importationoftheapplicableequipmentwithintheU.S.,ortheconclusionofanyCommission-related administrativeorjudicialproceedinginvolvingtheequipment,whicheverislater. Thisacceptancewillbeineffecttilltheapplicantdecidestochangetheagentofserviceofprocess. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(d)(7). Sincerely, Signature AiminZhuang Deputy WYBOTICSCO.,LTD. Signature TimPayne Manager FCCUSAgent,LLC 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 3

Rev 11/20/07 WYBOTICS CO., LTD. Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2BASI-WY350 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Block Diagram “Block Diagram.pdf” Schematics “Schematic.pdf” Operational Description “Operation Description.pdf” The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, ------------------------------- Aimin Zhuang

WYBOTICS CO., LTD. Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2023/04/11 SUBJECT: FCC Application for (FCC ID: 2BASI-WY350) To Whom It May Concern: I, the undersigned, hereby states 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, and will apply the Supplier's Declaration of Conformity procedure to the class B computer peripheral portion of this composite device. I understand the following FCC requirements: 1. Devices subject to the SDoC procedure are required to be tested to show compliance with the FCC technical regulations by a recognized accredited testing laboratory. The testing laboratory must be accredited by a Commission approved accreditation body or designated under the terms of a government-to-government Mutual Recognition Agreement (MRA). A listing of those accredited testing laboratories that have been recognized by the Commission is published on the FCC Webpage: https://apps.fcc.gov/oetcf/eas/reports/TestFirmSearch.cfm (Select the "accredited" option to search for FCC recognized accredited test firms.) 2. Pt 2.1077 contains the list of information that must be included in the Supplier's Declaration of Conformity, which must be supplied with each product sold. The SDoC compliance info shall be included in the User’s Manual or as a separate sheet. The info must contain the name, address, and phone number of the responsible party, which must be located within the United States. According to 2.909(b), the responsible party is either the Manufacturer or if the product is imported the Importer. Regards, WYBOTICS CO., LTD. ------------------------------- Aimin Zhuang

\\192.168.0.6\rf无线2\3.2023年案件\3月\黄煜翔\02 递交机构\2.09 LCSA020823042E-D230208002-DUOYI-清洗设备-陈唱唱-FCCID-黄煜翔-报告章 \07机构递交\Letters\form\POA_Letter.docx WYBOTICS CO., LTD. Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2023/04/11 SUBJECT: FCC Application for (FCC ID: 2BASI-WY350) To Whom It May Concern: We, the undersigned, hereby authorize Gavin Liang at Shenzhen LCS Compliance Testing Laboratory Ltd. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen LCS Compliance Testing Laboratory Ltd.on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, ------------------------------- Aimin Zhuang

Page1of4FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity ExternalPhotosoftheEUT Fig.1 Fig.2 Page2of4FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4 Page3of4FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.5 Fig.6 Page4of4FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.7

Page1of1FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity LABELANDLOCATION (Size:L4.0cmxW2.0cm) LabelLocation AUTOMATICSWIMMINGPOOLCLEANER Model:WY350 FCCID:2BASI-WY350

Page1of4FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity InternalPhotosoftheEUT Fig.1 Fig.2 Page2of4FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4 Page3of4FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.5 Fig.6 Page4of4FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.7 Fig.8 Antenna

Page 1 of 5 FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCRFExposureEvaluation 1.ProductInformation FCCID2BASI-WY350 ProductnameAUTOMATICSWIMMINGPOOLCLEANER ModelnumberWY350 PowersupplyInput:AC100-240V,50/60Hz,150WIPX5,ClassI ModulationType GFSKforBluetoothV5.0(DTS) IEEE802.11b:DSSS(CCK,DQPSK,DBPSK) IEEE802.11g:OFDM(64QAM,16QAM,QPSK,BPSK) IEEE802.11n:OFDM(64QAM,16QAM,QPSK,BPSK) AntennaTypePCBAntenna AntennaGain4.16dBi(Max.) Hardwareversion/ Softwareversion/ FCCOperationfrequency 2402MHz-2480MHz 2412MHz-2462MHz ExposurecategoryGeneralpopulation/uncontrolledenvironment EUTTypeProductionUnit DeviceTypeMobileDevices 2.EvaluationMethod SystemsoperatingundertheprovisionsofFCC47CFRsectionshallbeoperatedinamannerthatensures thatthepublicisnotexposedtoradiofrequencyenergylevelinexcessoftheCommission’sguidelines. Inaccordancewith47CFRFCCPart2SubpartJ,section2.1091thisdevicehasbeendefinedasmobile devicewherebyadistanceof0.2mnormallycanbemaintainedbetweentheuserandthedevice,andbelow RFPermissibleExposurelimitshallcomplywith. InaccordancewithKDB447498D01forSimultaneoustransmissionMPEtestexclusionapplieswhenthesum oftheMPEratiosforallsimultaneoustransmittingantennasincorporatedinahostdevice,basedonthe calculated/estimated,numericallymodelledormeasuredfieldstrengthsorpowerdensity,is≤1.0.TheMPE ratioofeachantennaisdeterminedattheminimumtestseparationdistancerequiredbytheoperating configurationsandexposureconditionsofthehostdevice,accordingtotheratiooffieldstrengthsorpower densitytoMPElimit,atthetestfrequency.Eitherthemaximumpeakorspatiallyaveragedresultsfrom measurementsornumericalsimulationsmaybeusedtodeterminetheMPEratios.Spatialaveragingdoesnot applywhenMPEisestimatedusingsimplecalculationsbasedonfar-fieldplane-waveequivalentconditions. Theantennainstallationandoperatingrequirementsforthehostdevicemustmeettheminimumtest separationdistancesrequiredbyallantennas,inbothstandaloneandsimultaneoustransmissionoperations, tosatisfycompliance. Page 2 of 5 FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 3.Limit 3.1ReferEvaluationMethod ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01General1RFExposureGuidancev06:MobileandPortableDevicesRF ExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1091:Radiofrequencyradiationexposureevaluation:mobiledevices 3.2Limit LimitsforMaximumPermissibleExposure(MPE)/ControlledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/ControlledExposure 0.3–3.0 3.0–30 30–300 300–1500 1500–100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100)* (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 LimitsforMaximumPermissibleExposure(MPE)/UncontrolledExposure Frequency Range(MHz) ElectricField Strength(V/m) MagneticField Strength(A/m) PowerDensity (mW/cm²) AveragingTime (minute) LimitsforOccupational/ControlledExposure 0.3–3.0 3.0–30 30–300 300–1500 1500–100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100)* (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequencyinMHz *=Plane-waveequivalentpowerdensity 4.MPECalculationMethod PredicationofMPElimitatagivendistance Equationfrompage18ofOETBulletin65,Edition97-01 S=PG/4πR² Where:S=powerdensity P=powerinputtoantenna G=powergainoftheantennainthedirectionofinterestrelativetoanisotropicradiator R=distancetothecenterofradiationoftheantenna 5.AntennaInformation PCBAntennacanonlyuseantennascertificatedasfollowsprovidedbymanufacturer; Internal Identification Antennatypeand antennanumber Operatefrequency band Maximumantenna gain Note AntennaPCBAntenna2400MHz-2500MHz4.16dBi BTWIFI Antenna Page 3 of 5 FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 6.ConductedPower <BTLEMaxConductedPower> ModeChannelFrequency(MHz) MaxConductedPower (dBm) GFSK 02402-5.52 192440-4.52 392480-4.10 <BT2LEMaxConductedPower> ModeChannelFrequency(MHz) MaxConductedPower (dBm) GFSK 02402-5.51 192440-4.55 392480-4.11 <2.4GWLANMaxConductedPower> ModeChannelFrequency(MHz) MaxConductedPower (dBm) IEEE802.11b 1241215.36 6243715.84 11246216.06 IEEE802.11g 1241215.99 6243715.58 11246215.50 IEEE802.11n HT20 1241213.97 6243714.20 11246216.11 IEEE802.11n HT40 3242214.20 6243714.30 9245214.57 7.ManufacturingTolerance <BTLE> GFSK(Peak) ChannelChannel0Channel19Channel39 Target(dBm)-5.0-4.0-4.0 Tolerance±(dB)1.01.01.0 <BT2LE> GFSK(Peak) ChannelChannel0Channel19Channel39 Target(dBm)-5.0-4.0-4.0 Tolerance±(dB)1.01.01.0 Page 4 of 5 FCCID:2BASI-WY350 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity <2.4GWIFI> 11B(Peak) ChannelChannel1Channel6Channel11 Target(dBm)15.015.016.0 Tolerance±(dB)1.01.01.0 11G(Peak) ChannelChannel1Channel6Channel11 Target(dBm)15.015.015.0 Tolerance±(dB)1.01.01.0 11N20SISO(Peak) ChannelChannel1Channel6Channel11 Target(dBm)13.014.016.0 Tolerance±(dB)1.01.01.0 11N40SISO(Peak) ChannelChannel3Channel6Channel9 Target(dBm)14.014.014.0 Tolerance±(dB)1.01.01.0 8.MeasurementResults AsdeclaredbytheApplicant,theEUTisawirelessdeviceusedinafixapplication,atleast20cmf…

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OTA TEST REPORT TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in ANSI/IEEE Std 149-2008. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Prepared by: Peng Tao Approved by: Kai Xu TA Technology (Shanghai) Co., Ltd. No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China TEL: +86‐021‐50791141/2/3 FAX: +86‐021‐50791141/2/3‐8000 Applicant Espressif System (Shanghai) Co.,Ltd Product ESP32-C3-MINI-1 Model ESP-ANT D-H Report No. Y2102A0260-T2 Issue Date March 9, 2021 OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 2 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENTS 1. Test Laboratory .............................................................................................................................. 3 1.1. Notes of the Test Report ................................................................................................... 3 1.2. Test facility ........................................................................................................................ 3 1.3. Testing Location ................................................................................................................ 3 1.4. Laboratory Environment .................................................................................................... 4 2. General Description of Equipment under Test ............................................................................... 5 2.1. Applicant and Manufacturer Information ............................................................................ 5 2.2. General information ........................................................................................................... 5 2.3. Test Date ........................................................................................................................... 5 2.4. Receiving Date .................................................................................................................. 5 2.5. Applied Standards ............................................................................................................. 6 3. Test Conditions .............................................................................................................................. 7 3.1. Test Configuration ............................................................................................................. 7 3.2. Test Measurement ............................................................................................................. 7 4. Test Results ................................................................................................................................... 8 4.1. Gain and Efficiency ............................................................................................................ 8 5. Equipment List ............................................................................................................................... 9 ANNEX A 3-D Pattern Plots ................................................................................................................... 10 ANNEX B：The EUT Appearance and Test Configuration ...................................................................... 12 B.1 EUT Appearance ................................................................................................................... 12 B.2 Test Configuration ................................................................................................................. 13 OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 3 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1. Test Laboratory 1.1. Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of TA technology (shanghai) co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein .Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2. Test facility A2LA (Certificate Number: 3857.01) TA Technology (Shanghai) Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform measurement. 1.3. Testing Location Company: TA Technology (Shanghai) Co., Ltd. Address: No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-50791141/2/3-8000 Website: http://www.ta-shanghai.com E-mail: [email protected] OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 4 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1.4. Laboratory Environment Temperature Min. =19°C，Max. = 25°C Relative humidity Min. =40%，Max. =72% Shield effect 0.7-6GHz > 100dB Ground resistance <0.5 OTA Test Report Report No: Y2102A0260-T2 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 5 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 2. General Description of Equipment under Test 2.1. Applicant and Manufacturer Information Applicant Name Espressif System (Shanghai) Co.,Ltd Applicant address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China Manufacturer Name Espressif System (Shanghai) Co.,Ltd Manufacturer address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China 2.2. …

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Page 1 of 34 FCCID:2BASI-WY350ReportNo.:LCSA020823042EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity AppendixA RFTestDataforBTLE(ConductedMeasurement) ProductName:AUTOMATICSWIMMINGPOOLCLEANER TestModel:WY350 EnvironmentalConditions Temperature: 23.5  C RelativeHumidity:52.2% ATMPressure:100.0kPa TestEngineer: JokerHu Supervisedby:LingZhu Page 2 of 34 FCCID:2BASI-WY350ReportNo.:LCSA020823042EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.1-6dBBandwidth ConditionModeFrequency(MHz)Antenna-6dBBandwidth(MHz)Limit-6dBBandwidth(MHz)Verdict NVNTBLE1M2402Ant10.659>=0.5Pass NVNTBLE1M2440Ant10.659>=0.5Pass NVNTBLE1M2480Ant10.665>=0.5Pass NVNTBLE2M2402Ant11.127>=0.5Pass NVNTBLE2M2440Ant11.158>=0.5Pass NVNTBLE2M2480Ant11.147>=0.5Pass Page 3 of 34 FCCID:2BASI-WY350ReportNo.:LCSA020823042EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity TestGraphs -6dBBandwidthNVNTBLE1M2402MHzAnt1 -6dBBandwidthNVNTBLE1M2440MHzAnt1 Page 4 of 34 FCCID:2BASI-WY350ReportNo.:LCSA020823042EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity -6dBBandwidthNVNTBLE1M2480MHzAnt1 -6dBBandwidthNVNTBLE2M2402MHzAnt1 Page 5 of 34 FCCID:2BASI-WY350ReportNo.:LCSA020823042EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity -6dBBandwidthNVNTBLE2M2440MHzAnt1 -6dBBandwidthNVNTBLE2M2480MHzAnt1 Page 6 of 34 FCCID:2BASI-WY350ReportNo.:LCSA020823042EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity A.2MaximumConductedOutputPower ConditionModeFrequency(MHz)AntennaTotalPower(dBm)Limit(dBm)Verdict NVNTBLE1M2402Ant1-5.5230Pass NVNTBLE1M2440Ant1-4.5230Pass NVNTBLE1M2480Ant1-4.103…

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