2BAPQ-AST-ME00Bluetooth Earphones

UNITED STATES DESIGNATED AGENT LETTER Date: 2024-06-28 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant U.S. designated agent Company Name: Jiangxi Lianchuang Hongsheng Electronic Co., Ltd. Company Name: Picus Advisors US LLC Contact Name: Yunfu Chi Contact Name: Ivan Wang Address: No. 818, Yaohuxi 6th Road, High-Tech Industries Development Zone Address: 839 FM1489 Rd., Brookshire, TE XAS, 77423, USA City/Province/Zip: Nanchang City, Jiangxi 330096 City/Province/Zip: Brookshire, TEXAS, 77423 Telephone: 17503070034 Telephone: (713) 614-8188 Email: [email protected] Email: [email protected] FRN: 0033593773 FRN: 0034336891 Applicable Equipment: FCC ID: 2BAPQ-AST-ME00 ATTN: Director of Certification: We, < Jiangxi Lianchuang Hongsheng Electronic Co., Ltd.> and <Picus Advisors US LLC> understand and acknowledge the applicants consent and the designated agent’s obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e-mail of the designated agent listed above. We, < Jiangxi Lianchuang Hongsheng Electronic Co., Ltd.> and <Picus Advisors US LLC> acknowledge the applicant’s acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related This letter is to confirm that we (“the Designated U.S. Agent) have accepted theresponsibility to act as the Designated U.S. Agent for Service of Process as required bysection 47 CFR 2.911(d)(7) onbehalf of the Applicantnoted below. administrative or judicial proceeding involving the equipment, whichever is later. Applicant Jiangxi Lianchuang Hongsheng Electronic Co., Ltd. U.S. designated agent Picus Advisors US LLC Name (Printed): Yunfu Chi Name (Printed): Ivan Wang Title: Manager Title: CEO Signature: Signature:

Rev1/26/2023 (JiangxiLianchuangHongshengElectronicCo.,Ltd.) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023-06-28 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BAPQ-AST-ME00 [JiangxiLianchuangHongshengElectronicCo.,Ltd.]certifiesthattheequipmentforwhichauthorization issoughtisnot“covered”equipmentprohibitedfromreceivinganequipmentauthorizationpursuantto section2.903oftheFCCrules. Sincerely, (Applicantsignature) (YunfuChi) Rev1/26/2023 (JiangxiLianchuangHongshengElectronicCo.,Ltd.) FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:2023-06-28 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BAPQ-AST-ME00 [JiangxiLianchuangHongshengElectronicCo.,Ltd.]certifiesthat,asofthedateofthefilingofthe application,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofits subsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (YunfuChi)

RF_160,Issue04 (JiangxiLianchuangHongshengElectronicCo.,Ltd.) DeclarationofAuthorization We Nameofmanufacturer:JiangxiLianchuangHongshengElectronicCo.,Ltd. Address: No.818,Yaohuxi6thRoad,NanchangHigh-TechIndustries DevelopmentZone,NanchangCity City:Jiangxi Country:China Declarethat: NameRepresentative ofagent: Wuxuewen AgentCompanyname: ShenzhenBalunTechnologyCo.,Ltd. Address: BlockB,1stFL,BaishaScienceandTechnologyPark,ShaheXiRoad, NanshanDistrict City: Shenzhen,Guangdong Country: China isauthorizedtoapplyforCertificationofthefollowingproduct(s): Productdescription: BluetoothEarphones Typedesignation(s): AST-ME00 Trademark: LCHSE/HONORCHOICE onourbehalf. Date: 2022.7.2 City: Jiangxi Name: YunfuChi Title: projectmanager Signature:

Date:28June2024 JiangxiLianchuangHongshengElectronicCo.,Ltd. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheJiangxiLianchuangHongshengElectronicCo.,Ltd.theundersigned,herebyauthorizesMr. WuXuewenfromShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfoftheJiangxi LianchuangHongshengElectronicCo.,Ltd.solelyinmattersrelatingtotheapplicationforan FCCequipmentauthorizationforFCCID:2BAPQ-AST-ME00includingthesigningofdocuments inconnectionwiththisApplication.NecessaryactscarriedoutbyShenzhenBALUNTechnology Co.,Ltd.inconnectionwiththeApplicationshallhavethesameeffectasactsoftheJiangxi LianchuangHongshengElectronicCo.,Ltd. TheJiangxiLianchuangHongshengElectronicCo.,Ltd.alsoherebycertifythatnopartytothis applicationissubjecttoadenialofbenefits,includingFCCbenefits,pursuanttoSection5301of theAnti-DrugAbuseActof1988,21U.S.C.Section862. YoursSincerely, YunfuChi

Date:28June2024 JiangxiLianchuangHongshengElectronicCo.,Ltd. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 Re:JiangxiLianchuangHongshengElectronicCo.,Ltd. FCCID:2BAPQ-AST-ME00 FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentiality material.JiangxiLianchuangHongshengElectronicCo.,Ltd.requeststhatthe followingdocumentsregardingthissubmissionforFCCID:2BAPQ-AST-ME00be keptconfidential: ExhibitTypeFileName BlockDiagramBlockDiagram.pdf SchematicsSchematics.pdf OperationalDescriptionOperationalDescription.pdf Tune-upTune-up.pdf Andbelowexhibitkeptshort-termconfidential(180days): ExternalphotosExternalphotos.pdf Testsetupphotostestphoto.pdf InternalphotosInternalphotos.pdf UsermanualUsermanual.pdf Thosedocumentscontaindetailedsystemandequipmentdescriptionandrelated informationabouttheproductwhichJiangxiLianchuangHongshengElectronicCo., Ltd. considerstobeconfidentialproprietary,acustomdesignand,otherwise,not releasabletothegeneralpublic.Sincethisdesignisabasisformwhichfuture technologicalproductswillevolve,JiangxiLianchuangHongshengElectronicCo., Ltd.considersthisinformationwouldbeofbenefittoitscompetitors,andthatthe disclosureoftheinformationinthesedocumentswouldgivecompetitorsanunfair advantageinthemarket. YoursSincerely, YunfuChi

Jiangxi Lianchuang Hongsheng Electronic Co., Ltd. Label Placement Declaration To Federal Communication Commission Equipment Authorization Branch 7 435 Oakland Mills Road Columbia,MID 21046 For the following product Model Name：AST-ME00 FCC ID:2BAPQ-AST-ME00 The FCC ID will not affix on the earbuds,but described in the product user manual and the product package due to below reasons. The earbud is too small to put the ID label on it. Print Name: Chi Yunfu Sincerely

Report No.: BL-SZ2450141-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 41 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Phone-2 (2023-11-02) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Address: Equipment Type: Model Name: Brand Name: FCC ID: Test Standard: Maximum SAR: Jiangxi Lianchuang Hongsheng Electronic Co., Ltd. No. 818, Yaohuxi 6th Road, Nanchang High-Tech Industries Development Zone, Nanchang City, Jiangxi, P.R. China(330096) Bluetooth Earphone A ST-ME00 LCHSE/HONOR CHOICE 2BAPQ-AST-ME00 FCC 47 CFR Part 2.1093 (refe r to section 3.1) Head (1 g@0mm): 0.69 W/kg Sample Arrival Date: Test Date： Date of Issue: May 08, 2024 Jun. 04, 2024 Jun. 27, 2024 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Xiong Lining Checked by: Xu Rui Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ2450141-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 41 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Phone-2 (2023-11-02) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Content Rev. 01 Jun. 27, 2024 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 Head Exposure Conditions ......................................................................................... 20 7 MEASUREMENT PROCEDURE ............................................................................................. 22 Report No.: BL-SZ2450141-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 41 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Phone-2 (2023-11-02) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 7.1 Measurement Process Diagram ................................................................................. 22 7.2 SAR Scan General Requirement ................................................................................ 23 7.3 Measurement Procedure ............................................................................................ 24 7.4 Area & Zoom Scan Procedure .................................................................................... 24 8 CONDUCTED RF OUPUT POWER ........................................................................................ 25 8.1 Bluetooth .................................................................................................................... 25 9 TEST EXCLUSION CONSIDERATION ................................................................................... 26 9.1 Antenna location sketch .............................................................................................. 26 9.2 SAR Test Exclusion Consideration Table ................................................................... 27 10 TEST RESULT ........................................................................................................................ 30 10.1 Bluetooth ..............................................................................................…

Text truncated - open the document above for the full version.

Report No.: BL-SZ2450141-702 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 41 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Phone-2 (2023-11-02) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Address: Equipment Type: Model Name: Brand Name: FCC ID: Test Standard: Maximum SAR: Jiangxi Lianchuang Hongsheng Electronic Co., Ltd. No. 818, Yaohuxi 6th Road, Nanchang High-Tech Industries Development Zone, Nanchang City, Jiangxi, P.R. China(330096) Bluetooth Earphone AST-ME00 LCHSE/HONOR CHOICE 2BAPQ-AST-ME00 FCC 47 CFR Part 2.1093 (refer to section 3.1) Head (1 g@0mm): 0.82 W/kg Sample Arrival Date: Test Date： Date of Issue: May 08, 2024 Jun. 04, 2024 Jun. 27, 2024 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Xiong Lining Checked by: Xu Rui Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ2450141-702 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 41 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Phone-2 (2023-11-02) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Content Rev. 01 Jun. 27, 2024 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 Head Exposure Conditions ........................................................................................... 20 7 MEASUREMENT PROCEDURE ............................................................................................... 22 Report No.: BL-SZ2450141-702 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 41 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Phone-2 (2023-11-02) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 7.1 Measurement Process Diagram ................................................................................... 22 7.2 SAR Scan General Requirement ................................................................................. 23 7.3 Measurement Procedure .............................................................................................. 24 7.4 Area & Zoom Scan Procedure ..................................................................................... 24 8 CONDUCTED RF OUPUT POWER .......................................................................................... 25 8.1 Bluetooth ...................................................................................................................... 25 9 TEST EXCLUSION CONSIDERATION ..................................................................................... 26 9.1 Antenna location sketch ............................................................................................... 26 9.2 SAR Test Exclusion Consideration Table .................................................................... 27 10 TEST RESULT .......................................................................................................................... 30 10.1 Bluetooth ......................................…

Text truncated - open the document above for the full version.

Report No.: BL-SZ2450141-AC 1 / 32 CALIBRATION REPORT F.1 E-Field Probe (EX3DV4 - SN:7607) Report No.: BL-SZ2450141-AC 2 / 32 Report No.: BL-SZ2450141-AC 3 / 32 Report No.: BL-SZ2450141-AC 4 / 32 Report No.: BL-SZ2450141-AC 5 / 32 Report No.: BL-SZ2450141-AC 6 / 32 Report No.: BL-SZ2450141-AC 7 / 32 Report No.: BL-SZ2450141-AC 8 / 32 Report No.: BL-SZ2450141-AC 9 / 32 Report No.: BL-SZ2450141-AC 10 / 32 Report No.: BL-SZ2450141-AC 11 / 32 Report No.: BL-SZ2450141-AC 12 / 32 Report No.: BL-SZ2450141-AC 13 / 32 Report No.: BL-SZ2450141-AC 14 / 32 Report No.: BL-SZ2450141-AC 15 / 32 Report No.: BL-SZ2450141-AC 16 / 32 Report No.: BL-SZ2450141-AC 17 / 32 Report No.: BL-SZ2450141-AC 18 / 32 Report No.: BL-SZ2450141-AC 19 / 32 Report No.: BL-SZ2450141-AC 20 / 32 Report No.: BL-SZ2450141-AC 21 / 32 Report No.: BL-SZ2450141-AC 22 / 32 Report No.: BL-SZ2450141-AC 23 / 32 F.2 Data Acquisition Electronics (DAE4 - SN:1710) Report No.: BL-SZ2450141-AC 24 / 32 Report No.: BL-SZ2450141-AC 25 / 32 Report No.: BL-SZ2450141-AC 26 / 32 F.3 2450 MHz Dipole Report No.: BL-SZ2450141-AC 27 / 32 Report No.: BL-SZ2450141-AC 28 / 32 Report No.: BL-SZ2450141-AC 29 / 32 Report No.: BL-SZ2450141-AC 30 / 32 Report No.: BL-SZ2450141-AC 31 / 32 Report No.: BL-SZ2450141-AC 32 / 32 D2450V2 Dipole impedance and return loss Validation Meas. Results Current Meas. Previous Meas. Max. Deviation Meas. Data 2023.07.04 2022.07.04 / Return Loss(dB) -24.884 -25.242 -1.42% Impedance 51.917 Ω +5.492 jΩ 51.458 Ω +4.235 jΩ 1.257Ω (Imaginary part) Return Loss for Head TSL Impedance for Head TSL --END OF REPORT--

Antenna specification 1 APPROVAL CustomerLCHSE frequency band 2400MHZ～2500MHZ project nameX7eversionsPCB V1.3 Material numberANT-A3colour/ Antenna vendorJingXun designed ByYao Hong guangDay2024-04-30 QA Manager ByDay Approved ByDay Confirmed by CustomerDay Table of contents 2. Antenna appearance and dimensions 3. Detailed information about antenna parameters 1. antenna parameters 2 3 Frequency2400～2500MHZ Effi AVG44.47% PK Gain1.29dBi SWR<3 Antenna TypeOn board ANT PART NOANT-A3 Antenna size6.1 x 2.83mm 1. antenna parameters Frequency2400～2500MHZ Effi AVG46.21% PK Gain1.35dBi SWR<3 Antenna TypeOn board ANT PART NOANT-A3 Antenna size6.1 x 2.83mm Right ear antennaLeft ear antenna 4 2. Antenna appearance and dimensions Antenna size: 6.1 x 2.83mm Antenna location BOTTOM TOP *The antenna position of the left and right ear PCB is the same Left ear PCB Right ear PCB BOTTOM TOP 5 Antenna pattern: 3.2 Right ear antenna effeciency S11 Parameters 3. Detailed information about antenna parameters Free space Frequency (MHz) Efficiency （%） Efficiency (dB) Gain(dBi) 240040.27-3.951.17 241041.69-3.81.16 242042.62-3.71.18 243042.61-3.71.13 244043.47-3.621.18 245044.29-3.541.29 246044.86-3.481.26 247046.35-3.341.19 248047.42-3.241.1 249048.13-3.181.14 250047.49-3.231.03 AVG44.47 -3.53 1.17 XOY:Thata=90 ° XOZ:Phi=0° YOZ:Phi=90° antenna location 6 Antenna pattern: 3.2 Left ear antenna effeciency S11 Parameters 3. Detailed information about antenna parameters Free space Frequency (MHz) Efficiency （%） Efficiency (dB) Gain(dBi) 240039.35-4.050.39 241041.15-3.860.52 242042.96-3.670.76 243045.07-3.461.01 244046.96-3.281.27 245048.31-3.161.26 246049.2-3.081.28 247049.48-3.061.34 248049.21-3.081.35 249048.61-3.131.29 250047.99-3.191.17 AVG46.21 -3.37 1.06 XOY:Thata=90 ° XOZ:Phi=0° YOZ:Phi=90° antenna location The End 7

Report No.: BL-SZ2450141-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Address: Equipment Type: Model Name: Brand Name: FCC ID: Test Standard: Sample Arrival Date: Test Date: Date of Issue: Jiangxi Lianchuang Hongsheng Electronic Co., Ltd. No. 818, Yaohuxi 6th Road, Nanchang High-Tech Industries Development Zone, Nanchang City, Jiangxi, P .R. China(330096) Bluetooth Earphones AST-ME00 LCHSE/HONOR CHOICE 2BAPQ-AST-ME00 47 CFR Part 15 Subpart C (refer to section 3.1) May 08, 2024 May 15, 2024 - Jun. 05, 2024 Jun. 27, 2024 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Si Xiao Checked by: Ye Hongji Approved by: Liao Jianming (Technical Director) _______________ _______________ _______________ Report No.: BL-SZ2450141-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Rev. 01 Jun. 27, 2024 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 .................................................................................................................... 8 4 GENERAL TEST CONFIGURATIONS ........................................................................................ 9 4.1 Test Environments ......................................................................................................... 9 4.2 Test Equipment List ........................................................................................................ 9 4.3 Test Software List ........................................................................................................... 9 4.4 Measurement Uncertainty ............................................................................................ 10 4.5 Description of Test Setup ............................................................................................. 10 4.6 Measurement Results Explanation Example ................................................................ 13 5 TEST ITEMS .............................................................................................................................. 14 5.1 Antenna Requirements ................................................................................................. 14 5.2 Frequency Hopping Systems ....................................................................................... 15 5.3 Number of Hopping Frequencies ................................................................................. 17 5.4 Peak Output Power ...................................................................................................... 18 5.5 Occupied Bandwidth .................................................................................................... 19 Report No.: BL-SZ2450141-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 5.6 Carrier Frequency Separation ...................................................................................... 20 5.7 Time of Occupancy (Dwell time) .................................................................................. 21 5.8 Conducted Spurious Emission & Authorized-band band-edge .................................... 23 5.9 Conducted Emission .................................................................................................... 24 5.10 Radiated Spurious Emission ........................................................................................ 25 5.11 Band Edge (Restricted-band band-edge) ..................................................................... 27 ANNEX A TEST RESULT ............................................................................................................. 28 A.1 Number of Hopping Frequency .................................................................................... 28 A.2 Peak Output Power ...................................................................................................... 29 A.3 20 dB and 99% bandwidth ........................................................................................... 32 A.4 Hopping Frequency Separation .......................................................…

Text truncated - open the document above for the full version.

Report No.: BL-SZ2450141-603 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Address: Equipment Type: Model Name: Brand Name: FCC ID: Test Standard: Sample Arrival Date: Test Date: Date of Issue: Jiangxi Lianchuang Hongsheng Electronic Co., Ltd. No. 818, Yaohuxi 6th Road, Nanchang High-Tech Industries Development Zone, Nanchang City, Jiangxi, P .R. China(330096) Bluetooth Earphones AST-ME00 LCHSE/HONOR CHOICE 2BAPQ-AST-ME00 47 CFR Part 15 Subpart C (refer to section 3.1) May 08, 2024 May 15, 2024 - Jun. 05, 2024 Jun. 27, 2024 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Si Xiao Checked by: Ye Hongji Approved by: Liao Jianming (Technical Director) _______________ _______________ _______________ Report No.: BL-SZ2450141-603 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 69 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Rev. 01 Jun. 27, 2024 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 ..........................................................…

Text truncated - open the document above for the full version.