2ARBY-DUAL200SALevoit Dual 200S Smart Top-Fill Humidifier

Arovast Corporation

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Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: Jul 29, 2023
Application Purpose: Original Equipment
Date of Application: Jul 29, 2023
Equipment Note: Levoit Dual 200S Smart Top-Fill Humidifier
Frequency Range: 2412.00000000 - 2462.00000000
Company: Arovast Corporation
Country: United States

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Attestation Statements

Arovastcorporation * theapplicantmustdesignateacontactlocatedintheUnitedStatesforpurposesofactingasthe applicant’sagentforserviceofprocess,regardlessofwhethertheapplicantisadomesticorforeign entity.AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforserviceofprocess. U.S.AgentDesignationforServiceofProcess- CertificationAttestationLetter 6/27/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2ARBY-DUAL200SA FRNofapplicant:0027859651 Persection2.911(d)(7)oftheFCCrules,Arovastcorporation(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisdesignatedtothefollowingU.S.agent*for serviceofprocess: CompanyName:Arovastcorporation FCCRegistrationNumber(FRN):0027859651 PhysicalU.S.CompanyAddress:1202NMillerSt.,SuiteA,Anaheim,CA92806,USA ContactPerson:ChrisHuang AgentEmailAddress:[email protected] Theabovecontactpersonacceptstheobligationforserviceofprocess. Theapplicantacceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantSigned:AgentSigned(ifdifferentfromApplicant): Signed:Signed: Printedname:ChrisHuangPrintedname:ChrisHuang Title:SrManager,ProductComplianceTitle:SrManager,ProductCompliance CompanyName:ArovastcorporationCompanyName:Arovastcorporation Date:6/27/2023Date:6/27/2023

Attestation Statements

Arovastcorporation CoveredEquipmentCertificationAttestationLetter 6/27/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2ARBY-DUAL200SA Arovastcorporation(“theapplicant”)certifiesthattheequipmentforwhichauthorization issoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. Signed: Printedname:ChrisHuang Title:SrManager,ProductCompliance CompanyName:Arovastcorporation Date:6/27/2023

Cover Letter(s)

DATE:6/28/2023 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Sincerely, <Signature> Name：ChrisHuang Title：SrManager,ProductCompliance Company ： Arovastcorporation

Cover Letter(s)

DATE:6/28/2023 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2ARBY-DUAL200SA ProductName:LevoitDual200SSmartTop-FillHumidifier RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommissionsrules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: Schematics  Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. <Signature> Name：ChrisHuang Title：SrManager,ProductCompliance Company：ArovastCorporation

Cover Letter(s)

DATE:6/28/2023 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointESTTechnologyCo.,Ltd.Address:Chilingxiang,Qishantou, Santun,Houjie,Dongguan,Guangdong,Chinatoactasouragentinthepreparationof thisapplicationforequipmentcertification.Icertifythatsubmitteddocumentsproperly describethedeviceorsystemforwhichequipmentcertificationissought.Ialsocertifythat eachunitmanufactured,importedormarketed,asdefinedintheFederalCommunications Commission’sregulationswillhaveaffixedtoitalabelidenticaltothatsubmittedfor approvalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions forcertification,stillresideswithArovastcorporationAddress:1202NMillerSt.,Suite A,Anaheim,CA92806,USA <Signature> Name ： ChrisHuang Title ： SrManager,ProductCompliance ApplicantCompany：Arovastcorporation

Cover Letter(s)

Arovastcorporation I,theundersigned,Chrishuang: Thefollowingmodelshavethesametechnicalconstructionincludingcircuitdiagram,PCB Layout,componentsandcomponentlayout,allelectricalconstructionandmechanical construction,exceptthedifferentmodelname. 1)ModelNo.:LUH-D301S-BUS 2)ModelNo.:LUH-D301S-Followedbyupto4characters FCCID:2ARBY-DUAL200SA Sincerely, Client’ssignature: Client’sname/title:ChrisHuang/SrManager,ProductCompliance Contactinformation/address:1202NMillerSt.,SuiteA,Anaheim,CA92806,USA Telephone:7145091019 FaxNo.:N/A

External Photos

External Photos M/N: LUH-D301S-BUS External Photos M/N: LUH-D301S-BUS External Photos M/N: LUH-D301S-BUS

Internal Photos

Internal Photos M/N: LUH-D301S-BUS Internal Photos M/N: LUH-D301S-BUS Internal Photos M/N: LUH-D301S-BUS Internal Photos M/N: LUH-D301S-BUS Internal Photos M/N: LUH-D301S-BUS Internal Photos M/N: LUH-D301S-BUS Antenna

RF Exposure Info

FCC ID: 2ARBY-DUAL200SA EST Technology Co. ,Ltd Report No. ESTE-R2306116 Page 1 of 5 FCC 47 CFR MPE REPORT Arovast corporation Levoit Dual 200S Smart Top-Fill Humidifier Model Number: LUH-D301S-BUS Additional Model: LUH-D301S-Followed by up to 4 characters FCC ID: 2ARBY-DUAL200SA Applicant: Arovast corporation Address: 1202 N Miller St., Suite A, Anaheim, CA 92806, USA Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2306116 Date of Test: Jun. 08-21, 2023 Date of Report: Jun. 25, 2023 FCC ID: 2ARBY-DUAL200SA EST Technology Co. ,Ltd Report No. ESTE-R2306116 Page 2 of 5 Maximum Permissible Exposure 1. Applicable Standards Systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 0.2m normally can be maintained between the user and the device. 1.1. Limits for Maximum Permissible Exposure (MPE) (a) Limits for Occupational/Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times ︱E︱ 2 ,︱H︱ 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-10000 5 6 (b) Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times ︱E︱ 2 ,︱H︱ 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-10000 1.o 30 Note: f=frequency in MHz; *Plane-wave equivalent power density FCC ID: 2ARBY-DUAL200SA EST Technology Co. ,Ltd Report No. ESTE-R2306116 Page 3 of 5 1.2. MPE Calculation Method E (V/m) = d G × P × 30 Power Density: Pd (W/m 2 ) = 377 E 2 E = Electric Field (V/m) P = Peak RF output Power (W) G = EUT Antenna numeric gain (numeric) d = Separation distance between radiator and human body (m) The formula can be changed to Pd = 2 d × 377 G × P × 30 From the peak EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained FCC ID: 2ARBY-DUAL200SA EST Technology Co. ,Ltd Report No. ESTE-R2306116 Page 4 of 5 2. Conducted Power Result Mode Frequency (MHz) Peak output power (dBm) Peak output power (mW) BLE 1Mbps 2402 9.53 8.974 2440 7.35 5.433 2480 2.92 1.959 BLE 2Mbps 2402 7.23 5.284 2440 4.86 3.062 2480 0.68 1.169 IEEE 802.11b 2412 19.08 80.910 2437 18.07 64.121 2462 15.31 33.963 IEEE 802.11g 2412 19.57 90.573 2437 18.75 74.989 2462 15.97 39.537 IEEE 802.11n HT20 2412 19.70 93.325 2437 18.94 78.343 2462 16.11 40.832 IEEE 802.11n HT40 2422 17.65 58.210 2437 17.08 51.050 2452 15.72 37.325 FCC ID: 2ARBY-DUAL200SA EST Technology Co. ,Ltd Report No. ESTE-R2306116 Page 5 of 5 3. Calculated Result and Limit Mode Peak output power (dBm) Target power （dBm） MAX Target power （dBm） Antenna gain Power Density (S) (mW /cm2) Limited of Power Density (S) (mW /cm2) Test Result (dBi) (Linear) 2.4G Band BLE 1Mbps 9.53 9±1 10 3.37 2.173 0.00432 1 Complies BLE 2Mbps 7.23 7±1 8 3.37 2.173 0.00273 1 Complies IEEE 802.11b 19.08 19±1 20 3.37 2.173 0.04322 1 Complies IEEE 802.11g 19.57 19±1 20 3.37 2.173 0.04322 1 Complies IEEE 802.11n HT20 19.70 19±1 20 3.37 2.173 0.04322 1 Complies IEEE 802.11n HT40 17.65 17±1 18 3.37 2.173 0.02727 1 Complies End of Test Report

Test Report

FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No.ESTE-R2306114 Page 1 of 68 FCC PART 15C TEST REPORT FOR CERTIFICATION On Behalf of Arovast corporation Levoit Dual 200S Smart Top-Fill Humidifier Model Number: LUH-D301S-BUS Additional Model: LUH-D301S-Followed by up to 4 characters FCC ID: 2ARBY-DUAL200SA Applicant : Arovast corporation Address: 1202 N Miller St., Suite A, Anaheim, CA 92806, USA Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2306114 Date of Test: Jun. 08-21, 2023 Date of Report: Jun. 25, 2023 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No.ESTE-R2306114 Page 2 of 68 TABLE OF CONTENTS Description Page TEST REPORT VERIFICATION......................................................................................................................... 3 1. GENERAL INFORMATION ................................................................................................................. 5 1.1. Description of Device (EUT) ........................................................................................................... 5 1.2. Antenna Information ........................................................................................................................ 5 1.3. Information of RF Cable .................................................................................................................. 5 2. SUMMARY OF TEST ......................................................................................................................... 6 2.1. Summary of test result ...................................................................................................................... 6 2.2. Test Facilities ................................................................................................................................... 7 2.3. Measurement uncertainty ................................................................................................................. 8 2.4. Assistant equipment used for test ..................................................................................................... 8 2.5. Block Diagram ................................................................................................................................. 8 2.6. Test Mode ......................................................................................................................................... 9 2.7. Power Setting of Test Software ........................................................................................................ 9 2.8. Duty Cycle ...................................................................................................................................... 10 2.9. Channel List ................................................................................................................................... 11 2.10. Test Equipment List ....................................................................................................................... 12 3. 6DB BANDWIDTH .......................................................................................................................... 14 3.1. Limit ............................................................................................................................................... 14 3.2. Test Setup ....................................................................................................................................... 14 3.3. Spectrum Analyzer Setting ............................................................................................................. 14 3.4. Test Procedure ................................................................................................................................ 14 3.5. Test Result ................................................................................................ ...................................... 14 4. MAXIMUM PEAK OUTPUT POWER ................................................................................................. 15 4.1. Limit ............................................................................................................................................... 15 4.2. Test Setup ....................................................................................................................................... 15 4.3. Spectrum Analyzer Setting ............................................................................................................. 15 4.4. Test Procedure ................................................................................................................................ 15 4.5. Test Result ...................................................................................................................................... 15 5. POWER SPECTRAL DENSITY .......................................................................................................... 16 5.1. Limit ............................................................................................................................................... 16 5.2. Test Setup ....................................................................................................................................... 16 5.3. Spectrum Analyzer Setting ............................................................................................................. 16 5.4. Test Procedure ................................................................................................................................ 16 5.5. Test Result ...................................................................................................................................... 16 6. CONDUCTED BAND EDGE ............................................................................................................. 17 6.1. Limit .......................................…

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Test Report

FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 1 of 81 FCC PART 15C REPORT FOR CERTIFICATION On Behalf of Arovast corporation Levoit Dual 200S Smart Top-Fill Humidifier Model Number: LUH-D301S-BUS Additional Model: LUH-D301S-Followed by up to 4 characters FCC ID: 2ARBY-DUAL200SA Applicant : Arovast corporation Address: 1202 N Miller St., Suite A, Anaheim, CA 92806, USA Prepared By: EST Technology Co., Ltd. Chilingxiang, Qishantou, Santun, Houjie, Dongguan, Guangdong, China Tel: 86-769-83081888-808 Report Number: ESTE-R2306115 Date of Test: Jun. 08-21, 2023 Date of Report: Jun. 25, 2023 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 2 of 81 TABLE OF CONTENTS Description Page TEST REPORT VERIFICATION......................................................................................................................... 3 1. GENERAL INFORMATION ................................................................................................................. 5 1.1. Description of Device (EUT) ........................................................................................................... 5 1.2. Antenna Information ........................................................................................................................ 5 1.3. Information of RF Cable .................................................................................................................. 5 2. SUMMARY OF TEST ......................................................................................................................... 6 2.1. Summary of test result ...................................................................................................................... 6 2.2. Test Facilities ................................................................................................................................... 7 2.3. Measurement uncertainty ................................................................................................................. 8 2.4. Assistant equipment used for test ..................................................................................................... 8 2.5. Block Diagram ................................................................................................................................. 8 2.6. Test Mode ......................................................................................................................................... 9 2.7. Power Setting of Test Software ...................................................................................................... 10 2.8. Duty Cycle ...................................................................................................................................... 10 2.9. Channel List ................................................................................................................................... 11 2.10. Test Equipment List ....................................................................................................................... 12 3. 6DB BANDWIDTH .......................................................................................................................... 14 3.1. Limit ............................................................................................................................................... 14 3.2. Test Setup ....................................................................................................................................... 14 3.3. Spectrum Analyzer Setting ............................................................................................................. 14 3.4. Test Procedure ................................................................................................................................ 14 3.5. Test Result ...................................................................................................................................... 14 4. MAXIMUM PEAK OUTPUT POWER ................................................................................................. 15 4.1. Limit ............................................................................................................................................... 15 4.2. Test Setup ....................................................................................................................................... 15 4.3. Spectrum Analyzer Setting ............................................................................................................. 15 4.4. Test Procedure ................................................................................................................................ 15 4.5. Test Result ...................................................................................................................................... 15 5. POWER SPECTRAL DENSITY .......................................................................................................... 16 5.1. Limit ............................................................................................................................................... 16 5.2. Test Setup ....................................................................................................................................... 16 5.3. Spectrum Analyzer Setting ............................................................................................................. 16 5.4. Test Procedure ................................................................................................................................ 16 5.5. Test Result ...................................................................................................................................... 16 6. CONDUCTED BAND EDGE ............................................................................................................. 17 6.1. Limit ............................................…

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Test Report

FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 57 of 81 Appendix E: Reference level measurement Test Result Test Mode Antenna Freq (MHz) Max.Point [MHz] Result [dBm] 11B Ant1 2412 2413.00 4.94 2437 2437.85 2.84 2462 2461.52 0.08 11G Ant1 2412 2415.72 -0.69 2437 2438.30 -0.67 2462 2467.02 -4.56 11N20SISO Ant1 2412 2414.51 -0.18 2437 2433.21 -1.92 2462 2463.29 -2.84 11N40SISO Ant1 2422 2424.53 -4.55 2437 2440.73 -4.46 2452 2443.24 -5.49 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 58 of 81 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 59 of 81 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 60 of 81 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 61 of 81 11N40SISO_Ant1_2422 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 62 of 81 Appendix F: Band edge measurements Test Result Test Mode Antenna Ch Name Frequency [MHz] Ref Level [dBm] Result [dBm] Limit [dBm] Verdict 11B Ant1 Low 2412 4.94 -40.15 ≤-15.06 PASS High 2462 0.08 -40.55 ≤-19.92 PASS 11G Ant1 Low 2412 -0.69 -36.85 ≤-20.69 PASS High 2462 -4.56 -40.72 ≤-24.56 PASS 11N20SISO Ant1 Low 2412 -0.18 -37.35 ≤-20.18 PASS High 2462 -2.84 -40.69 ≤-22.84 PASS 11N40SISO Ant1 Low 2422 -4.55 -40.44 ≤-24.55 PASS High 2452 -5.49 -39.69 ≤-25.49 PASS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 63 of 81 Test Graphs 11B_Ant1_Low_2412 11B_Ant1_High_2462 11G_Ant1_Low_2412 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 64 of 81 11G_Ant1_High_2462 11N20SISO_Ant1_Low_2412 11N20SISO_Ant1_High_2462 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 65 of 81 11N40SISO_Ant1_Low_2422 11N40SISO_Ant1_High_2452 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 66 of 81 Appendix G: Conducted Spurious Emission Test Result Test Mode Antenna Frequency [MHz] Freq Range [MHz] Ref Level [dBm] Result [dBm] Limit [dBm] Verdict 11B Ant1 2412 30~26500 4.94 -42.46 ≤-15.06 PASS 2437 30~26500 2.84 -42.04 ≤-17.16 PASS 2462 30~26500 0.08 -42.07 ≤-19.92 PASS 11G Ant1 2412 30~26500 -0.69 -42.04 ≤-20.69 PASS 2437 30~26500 -0.67 -42.16 ≤-20.67 PASS 2462 30~26500 -4.56 -42.49 ≤-24.56 PASS 11N20SISO Ant1 2412 30~26500 -0.18 -42.84 ≤-20.18 PASS 2437 30~26500 -1.92 -42.15 ≤-21.92 PASS 2462 30~26500 -2.84 -42.44 ≤-22.84 PASS 11N40SISO Ant1 2422 30~26500 -4.55 -42.26 ≤-24.55 PASS 2437 30~26500 -4.46 -42.31 ≤-24.46 PASS 2452 30~26500 -5.49 -42.46 ≤-25.49 PASS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 67 of 81 Test Graphs 11B_Ant1_2412_30~26500 11B_Ant1_2437_30~26500 11B_Ant1_2462_30~26500 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 68 of 81 11G_Ant1_2412_30~26500 11G_Ant1_2437_30~26500 11G_Ant1_2462_30~26500 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 69 of 81 11N20SISO_Ant1_2412_30~26500 11N20SISO_Ant1_2437_30~26500 11N20SISO_Ant1_2462_30~26500 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 70 of 81 11N40SISO_Ant1_2422_30~26500 11N40SISO_Ant1_2437_30~26500 11N40SISO_Ant1_2452_30~26500 FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 71 of 81 12. TEST SETUP PHOTO Conducted Test FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 72 of 81 Radiated Test (Below 1GHz) Radiated Test (Above 1GHz) FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 73 of 81 13. EUT PHOTO External Photos M/N: LUH-D301S-BUS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 74 of 81 External Photos M/N: LUH-D301S-BUS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 75 of 81 External Photos M/N: LUH-D301S-BUS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 76 of 81 Internal Photos M/N: LUH-D301S-BUS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 77 of 81 Internal Photos M/N: LUH-D301S-BUS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 78 of 81 Internal Photos M/N: LUH-D301S-BUS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 79 of 81 Internal Photos M/N: LUH-D301S-BUS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 80 of 81 Internal Photos M/N: LUH-D301S-BUS FCC ID: 2ARBY-DUAL200SA EST Technology Co., Ltd Report No. ESTE-R2306115 Page 81 of 81 Internal Photos M/N: LUH-D301S-BUS End of Test Report WIFI Antenna

Test Report

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-WROOM-02 Model ESP-ANT B Report No. Y2102A0260-T3 Issue Date March 9, 2021 OTA Test Report Report No: Y2102A0260-T3 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 ............................................................................…

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Contact Information

Applicant

Wayne pan(Senior Manager)

[email protected]7145091019Fax: N.A.

Test Firm

EST Technology Co., Ltd.Iceman Hu

[email protected]+86 0769-83081888

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
2	15C	2.41 GHz - 2.46 GHz	93.33 mW

Confidentiality

Long Term

Grant Notes

Output power listed is conducted. This device has 20 MHz and 40 MHz bandwidth mode. The antenna(s) 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 or operating in conjunction with any other antenna or transmitter, except the co-location described in this filing or in accordance with FCC multitransmitter product procedures. End-users must be provided with instructions and operating conditions for satisfying RF exposure compliance.