Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
JiangxiLianchuangHongshengElectronicCo.,Ltd. Date:21November2025 To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Attestation Section2.911(d)(5)(i)andSection2.911(d)(5)(ii) (KDB986446D01CoveredEquipment) Section2.911(d)(5)(i) JiangxiLianchuangHongshengElectronicCo.,Ltd.(“theapplicant”)certifiesthat theequipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibited fromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules. Thesoftwaretobeloadedpriortomarketingoftheequipmentidentifiedbelowisnot "covered"softwaremanufacturedbyanyentityincludingpredecessors,successors, parents,subsidiaries,oraffiliatesoranyentitywhichhasrebrandedorrelabeledthe softwareproducedbytheentity(ies)identifiedonthe"CoveredList"DA24-886and KDB986446D01CoveredEquipmentGuidancesectionB(2a). JiangxiLianchuangHongshengElectronicCo.,Ltd.(“theapplicant”)further certifiesthatnoCybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwith integratedKasperskyLab,Inc.(oranyofitssuccessorsandassignees)cybersecurity oranti-virussoftwareisinstalledintheequipmentbeingcertified. Section2.911(d)(5)(ii) JiangxiLianchuangHongshengElectronicCo.,Ltd.(“theapplicant”)certifiesthat, asofthedateofthefilingoftheapplication,theapplicant[isnot]identifiedonthe CoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates)as anentityproducing“covered”equipment. TypeofEquipmentsubjecttoFCCCertification:FCCID:2BAPQ-MKV-ME00 Ifyouhaveanyquestions,pleasefeelfreetocontactme ContactPerson:YunfuChi PositionintheCompany:projectmanager DateofSignature:2025/11/21 ___________________________ Signatory (signatureoftheapplicant)
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Date:21November2025 JiangxiLianchuangHongshengElectronicCo.,Ltd. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: TheJiangxiLianchuangHongshengElectronicCo.,Ltd.theundersigned,herebyauthorizesMr. WuXuewenfromShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfoftheJiangxi LianchuangHongshengElectronicCo.,Ltd.solelyinmattersrelatingtotheapplicationforan FCCequipmentauthorizationforFCCID:2BAPQ-MKV-ME00includingthesigningofdocuments inconnectionwiththisApplication.NecessaryactscarriedoutbyShenzhenBALUNTechnology Co.,Ltd.inconnectionwiththeApplicationshallhavethesameeffectasactsoftheJiangxi LianchuangHongshengElectronicCo.,Ltd. TheJiangxiLianchuangHongshengElectronicCo.,Ltd.alsoherebycertifythatnopartytothis applicationissubjecttoadenialofbenefits,includingFCCbenefits,pursuanttoSection5301of theAnti-DrugAbuseActof1988,21U.S.C.Section862. YoursSincerely, YunfuChi
Date:21November2025 JiangxiLianchuangHongshengElectronicCo.,Ltd. To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 Re:JiangxiLianchuangHongshengElectronicCo.,Ltd. FCCID:2BAPQ-MKV-ME00 FCCCertificationConfidentialityRequest Gentlemen: Thisletteristocomplywith47CFR0.457and0.459pertainingtoconfidentiality material.JiangxiLianchuangHongshengElectronicCo.,Ltd.requeststhatthe followingdocumentsregardingthissubmissionforFCCID:2BAPQ-MKV-ME00 bekeptconfidential: 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
JiangxiLianchuangHongshengElectronicCo.,Ltd. LabelPlacementDeclaration Print Name: Chi Yunfu To Federal Communication Commission Equipment Authorization Branch 7 435 Oakland Mills Road Columbia,MID 21046 For the following product Model Name：MKV-ME00 FCC ID:2BAPQ-MKV-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. Sincerely
Report No.: BL-SZ2590455-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 34 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-1 (205-07-31) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: Jiangxi Lianchuang Hongsheng Electronic Co., Ltd. Address: No. 818, Yaohuxi 6th Road, Nanchang High-Tech Industries Development Zone, Nanchang City, Jiangxi, P.R. China(330096) Equipment Type: Bluetooth Earbuds Model Name: MKV-ME00 Brand Name: , HONOR CHOICE FCC ID: 2BAPQ-MKV-ME00 Test Standard: FCC 47 CFR Part 2.1093 (refer to section 3.1) Maximum SAR: Head (1 g@0mm): 0.18 W/kg Sample Arrival Date: Oct. 10, 2025 Test Date: Oct. 14, 2025 Date of Issue: Nov. 20, 2025 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Zhang Jiwei Checked by: Xu Rui Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ2590455-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 34 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-1 (205-07-31) 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 Nov. 20, 2025 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 7 MEASUREMENT PROCEDURE ............................................................................................. 21 7.1 Measurement Process Diagram ................................................................................. 21 Report No.: BL-SZ2590455-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 34 Web: www.titcgroup.com Template No.: TRP-FCC DASY-Head-1 (205-07-31) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 7.2 SAR Scan General Requirement ................................................................................ 22 7.3 Measurement Procedure ............................................................................................ 23 7.4 Area & Zoom Scan Procedure .................................................................................... 23 8 CONDUCTED RF OUPUT POWER ........................................................................................ 24 8.1 Bluetooth .................................................................................................................... 24 9 TEST EXCLUSION CONSIDERATION ................................................................................... 25 9.1 SAR Test Exclusion Consideration Table ................................................................... 26 10 TEST RESULT ........................................................................................................................ 27 10.1 Bluetooth .................................................................................................................... 27 11 SAR Measurement Variability .................................................................................................. 28 12 SIMULTANEOUS TRANSMISSION .........................................................................…
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Report No.: BL-SZ2590455-AC 1 / 32 CALIBRATION REPORT F.1 E-Field Probe (EX3DV4 - SN:7664) Report No.: BL-SZ2590455-AC 2 / 32 Report No.: BL-SZ2590455-AC 3 / 32 Report No.: BL-SZ2590455-AC 4 / 32 Report No.: BL-SZ2590455-AC 5 / 32 Report No.: BL-SZ2590455-AC 6 / 32 Report No.: BL-SZ2590455-AC 7 / 32 Report No.: BL-SZ2590455-AC 8 / 32 Report No.: BL-SZ2590455-AC 9 / 32 Report No.: BL-SZ2590455-AC 10 / 32 Report No.: BL-SZ2590455-AC 11 / 32 Report No.: BL-SZ2590455-AC 12 / 32 Report No.: BL-SZ2590455-AC 13 / 32 Report No.: BL-SZ2590455-AC 14 / 32 Report No.: BL-SZ2590455-AC 15 / 32 Report No.: BL-SZ2590455-AC 16 / 32 Report No.: BL-SZ2590455-AC 17 / 32 Report No.: BL-SZ2590455-AC 18 / 32 Report No.: BL-SZ2590455-AC 19 / 32 Report No.: BL-SZ2590455-AC 20 / 32 Report No.: BL-SZ2590455-AC 21 / 32 Report No.: BL-SZ2590455-AC 22 / 32 Report No.: BL-SZ2590455-AC 23 / 32 F.2 Data Acquisition Electronics (DAE4 - SN:878) Report No.: BL-SZ2590455-AC 24 / 32 Report No.: BL-SZ2590455-AC 25 / 32 Report No.: BL-SZ2590455-AC 26 / 32 F.3 2450 MHz Dipole Report No.: BL-SZ2590455-AC 27 / 32 Report No.: BL-SZ2590455-AC 28 / 32 Report No.: BL-SZ2590455-AC 29 / 32 Report No.: BL-SZ2590455-AC 30 / 32 Report No.: BL-SZ2590455-AC 31 / 32 Report No.: BL-SZ2590455-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--
8.1.1 Bluetooth Power Mode GFSKπ/4-DQPSK Channel 0397803978 Frequency (MHz) 240224412480240224412480 Conducted Power (dBm)12.34 12.58 12.79 10.91 11.00 11.16 Tune-Up Limit (dBm) 13.00 13.00 13.00 12.00 12.00 12.00 SAR Test NONOYESNONONO Mode8-DPSK/ Channel03978/// Frequency (MHz) 240224412480/// Conducted Power (dBm)10.68 10.70 10.79 /// Tune-Up Limit (dBm) 12.00 12.00 12.00 /// SAR Test NONONO/// ModeBLE-1MbpsBLE-2Mbps Channel0193911938 Frequency (MHz) 240224402480240424402478 Conducted Power (dBm) 6.85 6.54 6.29 6.92 6.73 6.50 Tune-Up Limit (dBm) 8.00 8.00 8.00 8.00 8.00 8.00 SAR Test YESNONONONONO Note 1: Since bluetooth BR mode is the maximum output power mode, SAR measurements were performed with test software using DH5 modulation, and SAR measurement is not required for the EDR and LE. When the secondary mode is ≤ ¼ dB higher than the primary mode. BL-SZ2590455-AP 1/3 8.1.2Bluetooth Duty Cycle The Bluetooth DH5 duty cycle is 77.15% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. Duty Cycle BL-SZ2590455-AP 2/3 8.1.2Bluetooth Duty Cycle The Bluetooth BLE1M duty cycle is 62.16% as following figure, according to 2016 Oct. TCB workshop for Bluetooth SAR scaling need further consideration and the maximum duty cycle is 100%, therefore the actual duty cycle will be scaled up to 100% for Bluetooth reported SAR calculation. Duty Cycle BL-SZ2590455-AP 3/3
BL-SZ2590455-ASC 1 / 1 System Check: 2450 MHz Date: 2025.10.14 Communication System Band: D2450 (2450.0 MHz); Frequency: 2450 MHz;Duty Cycle: 1:1 Medium parameters used: f = 2450 MHz; σ = 1.795 S/m; ε r = 39.508; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.5°C Liquid Temperature:21.2°C DASY5 Configuration: • Probe: EX3DV4 - SN7664; ConvF(7.8, 7.8, 7.8); Calibrated: 2025.06.30; • Sensor-Surface: 4mm (Mechanical Surface Detection) • Electronics: DAE4 Sn878; Calibrated: 2025.03.05 • Phantom: SAM1; Type: QD000P40CD; Serial: TP:1858 • Measurement SW: DASY52, Version 52.8 (8); SEMCAD X Version 14.6.10 (7331) CW2450 100mw/Area Scan (101x101x1): Interpolated grid: dx=1.000 mm, dy=1.000 mm Maximum value of SAR (interpolated) = 5.41 W/kg CW2450 100mw/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 56.71 V/m; Power Drift = -0.04 dB Peak SAR (extrapolated) = 11.9 W/kg SAR(1 g) = 5.17 W/kg; SAR(10 g) = 2.39 W/kg Smallest distance from peaks to all points 3 dB below = 8.9 mm Ratio of SAR at M2 to SAR at M1 = 51.3% Maximum value of SAR (measured) = 5.53 W/kg 0 dB = 5.53 W/kg
BL-SZ2590455-ATD 1 Meas.1 Body Plane with Front Side 0mm on 78 Channel in Bluetooth mode(Left Ear) Date: 2025.10.14 Communication System Band: BT; Frequency: 2480 MHz;Duty Cycle: 1:1.296 Medium parameters used (interpolated): f = 2480 MHz; σ = 1.83 S/m; ε r = 39.289; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.5°C Liquid Temperature:21.2°C DASY5 Configuration: • Probe: EX3DV4 - SN7664; ConvF(7.8, 7.8, 7.8); Calibrated: 2025.06.30; • Sensor-Surface: 4mm (Mechanical Surface Detection) • Electronics: DAE4 Sn878; Calibrated: 2025.03.05 • Phantom: SAM1; Type: QD000P40CD; Serial: TP:1858 • Measurement SW: DASY52, Version 52.8 (8); SEMCAD X Version 14.6.10 (7331) CH78/Area Scan (71x71x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm Maximum value of SAR (interpolated) = 0.108 W/kg CH78/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 5.983 V/m; Power Drift = -0.15 dB Peak SAR (extrapolated) = 0.337 W/kg SAR(1 g) = 0.102 W/kg; SAR(10 g) = 0.036 W/kg Smallest distance from peaks to all points 3 dB below = 6.8 mm Ratio of SAR at M2 to SAR at M1 = 41.1% Maximum value of SAR (measured) = 0.125 W/kg 0 dB = 0.125 W/kg BL-SZ2590455-ATD 2 Meas.2 Body Plane with Front Side 0mm on 78 Channel in Bluetooth mode(Right Ear) Date: 2025.10.14 Communication System Band: BT; Frequency: 2480 MHz;Duty Cycle: 1:1.296 Medium parameters used (interpolated): f = 2480 MHz; σ = 1.83 S/m; ε r = 39.289; ρ = 1000 kg/m 3 Phantom section: Flat Section Ambient Temperature:22.5°C Liquid Temperature:21.2°C DASY5 Configuration: • Probe: EX3DV4 - SN7664; ConvF(7.8, 7.8, 7.8); Calibrated: 2025.06.30; • Sensor-Surface: 4mm (Mechanical Surface Detection) • Electronics: DAE4 Sn878; Calibrated: 2025.03.05 • Phantom: SAM1; Type: QD000P40CD; Serial: TP:1858 • Measurement SW: DASY52, Version 52.8 (8); SEMCAD X Version 14.6.10 (7331) CH78/Area Scan (71x71x1): Interpolated grid: dx=1.200 mm, dy=1.200 mm Maximum value of SAR (interpolated) = 0.177 W/kg CH78/Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm, dy=5mm, dz=5mm Reference Value = 6.169 V/m; Power Drift = 0.08 dB Peak SAR (extrapolated) = 0.449 W/kg SAR(1 g) = 0.134 W/kg; SAR(10 g) = 0.049 W/kg Smallest distance from peaks to all points 3 dB below = 5.3 mm Ratio of SAR at M2 to SAR at M1 = 45.4% Maximum value of SAR (measured) = 0.166 W/kg 0 dB = 0.166 W/kg
CC-JL-RD-36V1.0 1 Antenna Part Specification Project name： Marklevin Material category： BT antenna Manufacturer： Shenzhen Cicent Communication Technology Co., Ltd. Manufacturer address： 505-506 ,ABlock,Donglian Building,Chuangye 2 road,Baoan District,Shenzhen,Guangdong,P.R china Version： V1.0 Date： 2025.09.08 CC-JL-RD-36V1.0 2 Contents I: The report of passive data ...................................................................................................................................................... 3 II：3D Active test report of antenna ......................................................................................................................................... 8 III：Matching circuit................................................................................................................................................................. 9 IV：Antenna structure diagram file ........................................................................................................................................ 10 Change record Compile / change date Reason for change Changed content Version 2025.09.08 First edition First edition V1.0 CC-JL-RD-36V1.0 3 I: The report of passive data Angilent E5071C antenna S11 parameter：(Left Ear - Free) CC-JL-RD-36V1.0 4 Efficiency：(Left Ear - Free) 2400-2480 MHz Frequency （MHz） Gain (dBi) Efficiency (dB ) Efficiency （%） 2400 -4.0 -7.6 17.3 2410 -3.8 -7.4 18.1 2420 -3.7 -7.3 18.5 2430 -3.7 -7.4 18.3 2440 -3.9 -7.6 17.6 2450 -4.2 -7.7 16.9 2460 -4.4 -7.9 16.1 2470 -4.7 -8.2 15.0 2480 -4.8 -8.4 14.5 AVG -4.14 -7.73 16.91 3D Antenna radiation pattern：(Left Ear - Free) CC-JL-RD-36V1.0 5 2D Antenna radiation pattern: (Left Ear - Free) Theta=90.00deg Phi=0.00deg Phi=90.00deg CC-JL-RD-36V1.0 6 antenna S11 parameter：(Right Ear - Free) Efficiency：(Right Ear - Free) 2400-2480 MHz Frequency （MHz） Gain (dBi) Efficiency (dB ) Efficiency （%） 2400 -4.0 -7.6 17.3 2410 -3.8 -7.4 18.1 2420 -3.7 -7.3 18.5 2430 -3.7 -7.4 18.3 2440 -3.9 -7.6 17.6 2450 -4.2 -7.7 16.9 2460 -4.4 -7.9 16.1 2470 -4.7 -8.2 15.0 2480 -4.8 -8.4 14.5 AVG -4.14 -7.73 16.91 CC-JL-RD-36V1.0 7 3D Antenna radiation pattern：(Right Ear - Free) 2D Antenna radiation pattern: (Right Ear - Free) Theta=90.00deg Phi=0.00deg CC-JL-RD-36V1.0 8 Phi=90.00deg II：3D Active test report of antenna Free Head model Channel TRP （dBm） TIS （dBm） TRP （dBm） TIS （dBm） L CH 0 4.4 -87.6 0.9 -83.2 CH 39 4.6 -87.7 1.1 -83.5 CH 78 4.9 -88.3 0.9 -83.2 Free Head model Channel TRP （dBm） TIS （dBm） TRP （dBm） TIS （dBm） R CH 0 4.5 -87.6 1.6 -83.8 CH 39 4.7 -88.2 1.7 -84.2 CH 78 5.0 -88.3 1.4 -84.6 OTA Standard Chamber CC-JL-RD-36V1.0 9 III：Matching circuit CC-JL-RD-36V1.0 10 IV：Antenna structure diagram file
Report No.: BL-SZ2590455-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 61 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: Jiangxi Lianchuang Hongsheng Electronic Co., Ltd. Address: No. 818, Yaohuxi 6th Road, Nanchang High-Tech Industries Development Zone, Nanchang City, Jiangxi, P.R. China(330096) Equipment Type: Bluetooth Earbuds Model Name: MKV-ME00 Brand Name: , HONOR CHOICE FCC ID: Test Standard: Sample Arrival Date: Test Date: Date of Issue: 2BAPQ-MKV-ME00 47 CFR Part 15 Subpart C (refer to section 3.1) Sep. 09 , 2025 Sep. 09, 2025 - Oct. 10, 2025 Nov. 20, 2025 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Julie Zhu Checked by: Ye Hongji Approved by: Sunny Zou (Technical Director) _______________ _______________ _______________ Report No.: BL-SZ2590455-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 61 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 Nov. 20, 2025 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-SZ2590455-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 61 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 .............................................................…
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Block B, FL 1, Baisha Science and Technology Park, · China
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 19.00 mW |
Bluetooth Earbuds
Equipment Class
DSS - Part 15 Spread Spectrum TransmitterBluetooth Earphones
Equipment Class
DSS - Part 15 Spread Spectrum TransmitterBluetooth Earbuds
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter