2ADZC-6303TWireless Microphone

ShenzhenHollylandTechnologyCo.,Ltd Date:2June2026 To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Attestation Section2.911(d)(5)(i)andSection2.911(d)(5)(ii) (KDB986446D01CoveredEquipment) Section2.911(d)(5)(i) ShenzhenHollylandTechnologyCo.,Ltd(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibited fromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules. Thesoftwaretobeloadedpriortomarketingoftheequipmentidentifiedbelowisnot "covered"softwaremanufacturedbyanyentityincludingpredecessors,successors, parents,subsidiaries,oraffiliatesoranyentitywhichhasrebrandedorrelabeledthe softwareproducedbytheentity(ies)identifiedonthe"CoveredList"DA24-886and KDB986446D01CoveredEquipmentGuidancesectionB(2a). ShenzhenHollylandTechnologyCo.,Ltd(“theapplicant”)furthercertifiesthatno Cybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.or anyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftware isinstalledintheequipmentbeingcertified. Section2.911(d)(5)(ii) ShenzhenHollylandTechnologyCo.,Ltd(“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,theapplicant[isnot]identifiedontheCoveredList (asaspecificallynamedentityoranyofitssubsidiariesoraffiliates)asanentity producing“covered”equipment. TypeofEquipmentsubjecttoFCCCertification:FCCID:2ADZC-6303T Ifyouhaveanyquestions,pleasefeelfreetocontactme ContactPerson:VincentMa PositionintheCompany:SalesDirector DateofSignature:2026/6/2 ___________________________ Signatory (signatureoftheapplicant)

[ShenzhenHollylandTechnologyCo.,Ltd] Rev1/26/2023 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:3-Jun-26 Ref:AttestationStatementsPart2.911(d)(7)Filing FCCID:2ADZC-6303T FRN：0024211138 [ShenzhenHollylandTechnologyCo.,Ltd](“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,HevotechnologyCo.,LtdisourdesignatedU.S.agentforserviceofprocessfortheabove referencedFCCID.[ShenzhenHollylandTechnologyCo.,Ltd]acceptstomaintainanagentfornoless thanoneyearafterthegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment.HevotechnologyCo.,Ltd HevotechnologyCo.,Ltdaccepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:HevotechnologyCo.,Ltd FRN：0033495417 Address:18008SkyParkCirlrvine,Irvine,CA92614UnitedStates ContactPerson:( vincent.ma ) Tel.:(949)-932-0648 Email: [email protected] Sincerely, [ShenzhenHollylandTechnologyCo.,Ltd]HevotechnologyCo.,Ltd (VincentMa)(vincent.ma) (Applicantsignature)(USAgentSignature)

Date:2June2026 ShenzhenHollylandTechnologyCo.,Ltd To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheShenzhenHollylandTechnologyCo.,Ltdtheundersigned,herebyauthorizesMr.Wu XuewenfromShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfoftheShenzhen HollylandTechnologyCo.,LtdsolelyinmattersrelatingtotheapplicationforanFCCequipment authorizationforFCCID:2ADZC-6303Tincludingthesigningofdocumentsinconnectionwith thisApplication.NecessaryactscarriedoutbyShenzhenBALUNTechnologyCo.,Ltd.in connectionwiththeApplicationshallhavethesameeffectasactsoftheShenzhenHollyland TechnologyCo.,Ltd TheShenzhenHollylandTechnologyCo.,Ltdalsoherebycertifythatnopartytothisapplication issubjecttoadenialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti- DrugAbuseActof1988,21U.S.C.Section862. YoursSincerely, VincentMa

Date:5June2026 ShenzhenHollylandTechnologyCo.,Ltd To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 Re:ShenzhenHollylandTechnologyCo.,Ltd FCCID:2ADZC-6303T FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentiality material.ShenzhenHollylandTechnologyCo.,Ltdrequeststhatthefollowing documentsregardingthissubmissionforFCCID:2ADZC-6303Tbekept confidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf Tune-upTune-up.PDF BOMBOM.PDF Andbelowexhibitkeptshort-termconfidential(180days): ExternalphotosExternalphotos.pdf Testsetupphotostestphoto.pdf InternalphotosInternalphotos.pdf UsermanualUsermanual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelated informationabouttheproductwhichShenzhenHollylandTechnology Co.,Ltd considerstobeconfidentialproprietary,acustomdesignand,otherwise, notreleasabletothegeneralpublic.Sincethisdesignisabasisformwhichfuture technologicalproductswillevolve,ShenzhenHollylandTechnologyCo.,Ltd considersthisinformationwouldbeofbenefittoitscompetitors,andthatthe disclosureoftheinformationinthesedocumentswouldgivecompetitorsanunfair advantageinthemarket. YoursSincerely, VincentMa

V1.0 1 2 3 4 5 6 A B C D 1 2 3 4 5 6 A B C D 注：仅红色区域为丝印信息 投影法 第三角投影法 深圳市昊一源科技有限公司 比例 1:1 材料 项目名称 A6303 设计 张哲 版本 零件名称 审核 姚立清 图幅 公制 图纸编号 批准 第 1 张 共 1 张 零件编号 标记 变更内容 版本 变更者 日期 V1.0 张哲 初版发行 简业成 / / 技术要求：丝印 内容： TX体罩(透明贴纸)-丝印认证 20260305 20260305 20260305 1.05MM 13.2MM 20260305 ±2° ±1° ±0.5° ±0.5 ±0.2 ±0.15 ±0.3 ±0.15 ±0.1 ±0.1 ±0.05 角度θ L≥30 6<L≤30 0<L≤6 c(粗糙级) m(中等级) f(精密级) 尺寸分段 未标注尺寸公差表 ±0.2 HY-PRT_PG_04_219 KC:R-R-HoT-M33T1 217-263149 KC:R-R-HoT-M33T1 217-263149 Label The back

Report No.: Ti-EE26030442-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 37 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Body-1 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen TEST REPORT Applicant: Shenzhen Hollyland Technology Co., Ltd Address: 8F, Building 5D, Skyworth Innovation Valley, Tangtou Road, Shiyan Street, Baoan District, Shenzhen, 518055 China Equipment Type: Wireless Microphone Model Name: M33T1 Brand Name: FCC ID: 2ADZC-6303T Test Standard: FCC 47 CFR Part 2.1093 (refer to section 3.1) Maximum SAR: Body 2.4GHz(1 g@0mm): 0.09 W/kg Sample Arrival Date: Mar. 11, 2026 Test Date: Apr. 16, 2026 Date of Issue: May 29, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Guo Guangwei Checked by: Xu Rui Approved by: Liao Jianming (Technical Director) _______________ _______________ _______________ Report No.: Ti-EE26030442-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 37 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Body-1 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Content Rev. 01 May 29, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 1.3 Test Environment Condition .......................................................................................... 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Ancillary Equipment ...................................................................................................... 5 2.5 Technical Information ................................................................................................... 6 3 SUMMARY OF TEST RESULT ................................................................................................. 7 3.1 Test Standards ............................................................................................................. 7 3.2 Device Category and SAR Limit ................................................................................... 8 3.3 Test Result Summary ................................................................................................... 9 3.4 Test Uncertainty ......................................................................................................... 10 4 MEASUREMENT SYSTEM ..................................................................................................... 11 4.1 Specific Absorption Rate (SAR) Definition .................................................................. 11 4.2 DASY SAR System .................................................................................................... 12 5 SYSTEM VERIFICATION ........................................................................................................ 19 5.1 Purpose of System Check .......................................................................................... 19 5.2 System Check Setup .................................................................................................. 19 6 TEST POSITION CONFIGURATIONS .................................................................................... 20 6.1 Body-worn Position Conditions ................................................................................... 20 7 MEASUREMENT PROCEDURE ............................................................................................. 21 Report No.: Ti-EE26030442-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 37 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Body-1 (2026-04-30) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 7.1 Measurement Process Diagram ................................................................................. 21 7.2 SAR Scan General Requirement ................................................................................ 22 7.3 Measurement Procedure ............................................................................................ 23 7.4 Area & Zoom Scan Procedure .................................................................................... 23 8 CONDUCTED RF OUTPUT POWER ...................................................................................... 24 8.1 Bluetooth .................................................................................................................... 24 8.2 2.4G ISM Band ........................................................................................................... 25 9 TEST EXCLUSION CONSIDERATION ................................................................................... 26 9.1 Antenna location sketch .............................................................................................. 26 10 TEST RESULT ........................................................................................................................ 27 10.1 Bluetooth ...........................…

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Report No.: Ti-EE26030442-AC 1 / 32 CALIBRATION REPORT F.1 E-Field Probe (EX3DV4 - SN:7664) Report No.: Ti-EE26030442-AC 2 / 32 Report No.: Ti-EE26030442-AC 3 / 32 Report No.: Ti-EE26030442-AC 4 / 32 Report No.: Ti-EE26030442-AC 5 / 32 Report No.: Ti-EE26030442-AC 6 / 32 Report No.: Ti-EE26030442-AC 7 / 32 Report No.: Ti-EE26030442-AC 8 / 32 Report No.: Ti-EE26030442-AC 9 / 32 Report No.: Ti-EE26030442-AC 10 / 32 Report No.: Ti-EE26030442-AC 11 / 32 Report No.: Ti-EE26030442-AC 12 / 32 Report No.: Ti-EE26030442-AC 13 / 32 Report No.: Ti-EE26030442-AC 14 / 32 Report No.: Ti-EE26030442-AC 15 / 32 Report No.: Ti-EE26030442-AC 16 / 32 Report No.: Ti-EE26030442-AC 17 / 32 Report No.: Ti-EE26030442-AC 18 / 32 Report No.: Ti-EE26030442-AC 19 / 32 Report No.: Ti-EE26030442-AC 20 / 32 Report No.: Ti-EE26030442-AC 21 / 32 Report No.: Ti-EE26030442-AC 22 / 32 Report No.: Ti-EE26030442-AC 23 / 32 F.2 Data Acquisition Electronics (DAE4 - SN:1711) Report No.: Ti-EE26030442-AC 24 / 32 Report No.: Ti-EE26030442-AC 25 / 32 Report No.: Ti-EE26030442-AC 26 / 32 F.3 2450 MHz Dipole Report No.: Ti-EE26030442-AC 27 / 32 Report No.: Ti-EE26030442-AC 28 / 32 Report No.: Ti-EE26030442-AC 29 / 32 Report No.: Ti-EE26030442-AC 30 / 32 Report No.: Ti-EE26030442-AC 31 / 32 Report No.: Ti-EE26030442-AC 32 / 32 D2450V2 Dipole impedance and return loss Validation Meas. Results Current Meas. Previous Meas. Max. Deviation Meas. Data 2025.05.06 2024.05.07 / Return Loss(dB) -27.271 -27.884 -2.20% Impedance 51.780 Ω + 5.716 jΩ 51.604 Ω + 3.776 jΩ 1.941Ω (Imaginary part) --END OF REPORT--

Address:12thFloor,WestBlockB,Building8,HuaqiangCreativeIndustryPark,SightseeingRoad,Guangming District,Shenzhen Telephonenumber：0755-28700082 www.honant.com.cn AntennaSampleDatasheet entryname：A6303 Materialcategory：BTantenna AntennaMaterial FPC Date：2026.1.30 Address:12thFloor,WestBlockB,Building8,HuaqiangCreativeIndustryPark,SightseeingRoad,Guangming District,Shenzhen Telephonenumber：0755-28700082 www.honant.com.cn Contents 1：Antennatestequipment.................................................1 2：Passivetestreport...........................................................3 3：Matchingcircuit...............................................................5 4：Structuraldrawing...........................................................6 Address:12thFloor,WestBlockB,Building8,HuaqiangCreativeIndustryPark,SightseeingRoad,Guangming District,Shenzhen Telephonenumber：0755-28700082 www.honant.com.cn 1 1：Antennatestequipment Listofmeters：Agilent5071B； 1.1TheprinciplediagramoftheETSanochoicchamber Picture1.Antennastatictestconnectionmethod Address:12thFloor,WestBlockB,Building8,HuaqiangCreativeIndustryPark,SightseeingRoad,Guangming District,Shenzhen Telephonenumber：0755-28700082 www.honant.com.cn 2 1.2PicturesoftheETSanochoicchamber InsidetheETSanochoicchamber TestMachine Address:12thFloor,WestBlockB,Building8,HuaqiangCreativeIndustryPark,SightseeingRoad,Guangming District,Shenzhen Telephonenumber：0755-28700082 www.honant.com.cn 3 2：Passivetestreport 2.1：BTantennaS11parameters Address:12thFloor,WestBlockB,Building8,HuaqiangCreativeIndustryPark,SightseeingRoad,Guangming District,Shenzhen Telephonenumber：0755-28700082 www.honant.com.cn 4 2.2：Passiveefficiencyofantenna Freq(MHz)Gain(dBi)Efficiency(%) 2400 -2.2929.37 2410 -1.9629.61 2420 -1.4830.91 2430 -1.0629.55 2440 -0.7831.02 2450 -0.9229.93 2460 -0.9230.03 2470 -1.1731.6 2480 -2.2128.56 2.3：PassivepatternofBTantenna Address:12thFloor,WestBlockB,Building8,HuaqiangCreativeIndustryPark,SightseeingRoad,Guangming District,Shenzhen Telephonenumber：0755-28700082 www.honant.com.cn 5 3：Matchingcircuit ElementValue E1 1.0pF E2 0Ω E3 N/C Address:12thFloor,WestBlockB,Building8,HuaqiangCreativeIndustryPark,SightseeingRoad,Guangming District,Shenzhen Telephonenumber：0755-28700082 www.honant.com.cn 6 4：Structuraldrawing

Report No.: Ti-EE26030442-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 74 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen TEST REPORT Applicant: Shenzhen Hollyland Technology Co., Ltd Address: 8F, Building 5D, Skyworth Innovation Valley, Tangtou Road, Shiyan Street, Baoan District, Shenzhen, 518055 China Equipment Type: Wireless Microphone Model Name: M33T1 Brand Name: FCC ID: 2ADZC-6303T ISED Number: 29803-6303T Test Standard: 47 CFR Part 15 Subpart C RSS-Gen Issue 5 RSS-247 Issue 4 (refer to section 3.1) Sample Arrival Date: Mar. 11, 2026 Test Date: Mar. 26, 2026 - May 23, 2026 Date of Issue: May 29, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Li Renyu Checked by: Li Ganming Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: Ti-EE26030442-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 74 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen Revision History Version Issue Date Revisions Rev. 01 May 29, 2026 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 6 3 SUMMARY OF TEST RESULTS ............................................................................................... 8 3.1 Test Standards ............................................................................................................. 8 3.2 Test Verdict .................................................................................................................. 9 4 GENERAL TEST CONFIGURATIONS .................................................................................... 10 4.1 Test Environments ...................................................................................................... 10 4.2 Test Equipment List .................................................................................................... 10 4.3 Test Software List ....................................................................................................... 10 4.4 Measurement Uncertainty ........................................................................................... 11 4.5 Description of Test Setup ........................................................................................... 11 4.6 Measurement Results Explanation Example ............................................................... 14 5 TEST ITEMS ........................................................................................................................... 15 5.1 Antenna Requirements ............................................................................................... 15 5.2 Frequency Hopping Systems ...................................................................................... 16 5.3 Number of Hopping Frequencies ................................................................................ 18 5.4 Peak Output Power and E.I.R.P ................................................................................. 19 5.5 Occupied Bandwidth ................................................................................................... 20 Report No.: Ti-EE26030442-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 74 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 247 (2022-01-12) Add: 601, Building 2, Intelligent Connected Vehicle Industrial Park, No.55, Xiangshan Road, Luotian Community, Yanluo Sub-district, Bao'an District, Shenzhen 5.6 Carrier Frequency Separation ..................................................................................... 21 5.7 Time of Occupancy (Dwell time) ................................................................................. 22 5.8 Conducted Spurious Emission & Authorized-band band-edge .................................... 24 5.9 Conducted Emission ................................................................................................... 25 5.10 Radiated Spurious Emission ....................................................................................... 26 5.11 Band Edge (Restricted-band band-edge) .................................................................... 31 ANNEX A TEST RESULT ........................................................................................................... 34 A.1 Number of Hopping Frequency ................................................................................... 34 A.2 Peak Output Power and E.I.R.P ................................................................................. 35 A.3 20 dB and 99% bandwidth .......................................................................................... 38 A.4 Hopping Frequency Separation ....................................…

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