SD4-MTCZ05In-vehicle Multimedia Host

FCCID:SD4-MTCZ05 CFR47§2.911(d)(7)FCCUSAgentLetterofAttestation Date:April24,2026 FCCID:SD4-MTCZ05 To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ToWhomItMayConcern, BYDAutoIndustryCompanyLimited(“theapplicant”)certifiesthat,asofthedateofthefilingofthe application,OasisCompliance,Inc.isourdesignatedU.S.agentforserviceofprocessfortheabove referencedFCCID. BYDAutoIndustryCompanyLimitedacceptstomaintainanagentfornolessthanoneyearafterthe granteehasterminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. OasisCompliance,Inc.accepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. Weareawareoftherequirementsandresponsibilitiesoftheapplicant’sagentforserviceofprocessas outlinedintheFCCsection2.911(d)(7)andReportandOrderFCC22-84paragraph63. BYDAutoIndustryCompanyLimited Gongliquan FRN:0022593115 Address:No.3001,3007,HengPingRoad,Pingshan, Shenzhen,518118,China Cell:+8613980278051 Email:[email protected] OasisCompliance,Inc. JamesHe FRN:0033464157 Address:3313VerdiDr,SanJose,CA95111 Cell:2026028330 Email:[email protected] 04/24/202604/24/2026

Attestation Statement Letter I Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: __________________ Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC Application for FCC ID: _______________________________ ________________________ certifies that the equipment for which authorization is sought is not “covered” equipment prohibited for receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Applicant’s Signature: Applicant’s Name:

Attestation Statement Letter II Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: __________________ Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC Application for FCC ID: _______________________________ _________________________ certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Applicant’s Signature: Applicant’s Name:

BYDAutoIndustryCompanyLimited DeclarationofSoftwareSecurityRequirementsLetter FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date: ___2026-05-06_______________ SUBJECT:FCCUNIISoftwareSecurityDescriptionforFCCID:______SD4-MTCZ05____________ ToWhomItMayConcern: TheinformationwithinthissectionoftheOperationalDescriptionistoshowcompliancepertheSoftware SecurityRequirementslaidoutwithinKDB594280D02U‐NIIDeviceSecurity. Anapplicantmustdescribetheoverallsecuritymeasuresimplementedinthedevicethatensurethatthe devicecannotbemodifiedbyanyRF‐relatedsoftwarechangesbythirdpartiestooperateoutsidethe authorizedRFparameterswithoutfurtherapprovalfromtheFCC. ThefollowingdescriptionoftheRF‐relatedsoftwareaddressesthefollowingquestionsintheoperational descriptionforthedeviceanddemonstrateshowthedevicemeetstheRF‐securityrequirements. BYDAutoIndustryCompanyLimited SoftwareSecuritydescription–GeneralDescription General Description QuestionAnswer 1.Describehowanysoftware/firmwareupdatesfor elementsthancanaffectthedevice’sRFparameterswill beobtained,downloaded,validatedandinstalled.For softwarethatisaccessedthroughmanufacturer’swebsite ordevice’smanagementsystem,describethedifferent levelsofsecurityasappropriate. Wedonotreleasethefirmwareonourwebsitefor downloading.Ourdirecthostmanufacturer(OEM)can requestthefirmwarefromusanditwillbemadeavailable uponrequest,notpublicaccessibletoenduser. 2.DescribetheRFparametersthataremodifiedbyany software/firmwarewithoutanyhardwarechanges.Are theseparametersinsomewaylimitedsuchthatanyother software/firmwarechangeswillnotallowthedeviceto exceedtheauthorizedRFcharacteristics? RadiofrequencyparametersarelimitedbyUSregulatory domainandcountrycodetolimitfrequencyandtransmit powerlevels.Theselimitsarestoredinnon-volatilememory atthetimeofproduction.Theywillnotexceedtheauthorized values. 3.Describeindetailtheauthenticationprotocolsthatare inplacetoensurethatthesourceoftheRF-related software/firmwareisvalid.DescribeindetailhowtheRF- relatedsoftwareisprotectedagainstmodification. Thefirmwareisinstalledoneachsinglemoduleduring manufacturingprocess.Thecorrectfirmwareisverifiedand installedbythemanufacturer. Inaddition,thefirmwarebinaryisencryptedandthe firmwareupdatescanonlybestoredinnon-volatilememory whenthefirmwareisauthenticated. 4.Describeindetailanyencryptionmethodsusedto supporttheuseoflegitimateRF-related software/firmware. Thefirmwarebinaryisencrypted.Theprocesstoflashanew firmwareisusingasecretkeytodecryptthefirmware,only correctdecryptedfirmwareisstoredinnon-volatilememory. 5.Foradevicethatcanbeconfiguredasamasterand client(withactiveorpassivescanning),explainhowthe deviceensurescomplianceforeachmode?Inparticularif thedeviceactsasmasterinsomebandofoperationand clientinanother;howiscomplianceensuredineachband ofoperation? Thereisacountrycoderegulatoryparametertolimitproduct tooperatethedeviceunderitsauthorizationintheU.S.This regulatoryparameterwoulddefinewhichchannelwouldbe availabletooperateinactiveorpassivescantomeetUNII requirements.Thedevicewouldbesetasaclientdeviceon allchannelsbutalsosupportaccesspointmodeonthe non‐DFSbandsonly. Third-Party Access Control 1.Explainifanythirdpartieshavethecapabilityto operateaU.S.-solddeviceonanyotherregulatory domain,frequencies,orinanymannerthatmayallowthe devicetooperateinviolationofthedevice’sauthorization ifactivatedintheU.S. No,thirdpartiesdon’thavethecapabilitytoaccessand changeradioparameters.USsoldunitsarefactoryconfigured toUS. 2.Describe,ifthedevicepermitsthird-partysoftwareor firmwareinstallation,whatmechanismsareprovidedby themanufacturertopermitintegrationofsuchfunctions whileensuringthattheRFparametersofthedevice cannotbeoperatedoutsideitsauthorizationforoperation intheU.S.Inthedescriptionincludewhatcontrolsand/or agreementsareinplacewithprovidersofthird-party functionalitytoensurethedevices’underlyingRF parametersareunchangedandhowthemanufacturer verifiesthefunctionality. No.Thedevicedoesnotpermitthird-partysoftwareor firmwareinstallation 3.ForCertifiedTransmittermodulardevices,describe howthemodulegranteeensuresthathostmanufacturers fullycomplywiththesesoftwaresecurityrequirements forU-NIIdevices.Ifthemoduleiscontrolledthrough driversoftwareloadedinthehost,describehowthe driversarecontrolledandmanagedsuchthatthemodular transmitterRFparametersarenotmodifiedoutsidethe grantofauthorization. NotApplicable.Thisdeviceisnotmodulardevice. BYDAutoIndustryCompanyLimited Inadditiontothegeneralsecurityconsideration,fordeviceswhichhave“UserInterfaces” (UI)toconfigurethedeviceinamannerthatmayimpacttheoperationalRFparameters, thefollowingquestionsshallbeansweredbytheapplicantandtheinformationincludedin theoperationaldescription.Thedescriptionmustaddressifthedevicesupportsanyofthe countrycode configurationsorpeer‐peermodecommunicationsdiscussedinKDB594280Publication D01. SoftwareConfigurationDescriptionGuide USER CONFIGURATION GUIDE QuestionAnswer 1.Describetheuserconfigurationspermitted throughtheUI.Ifdifferentlevelsofaccessare permittedforprofessionalinstallers,system integratorsorend-users,describethedifferences. ThereisnotanyUItoaccessWi-Fisetting. a.Whatparametersareviewableandconfigurable bydifferentparties? Alldefaultparametersareprogrammedorinbothdriverand firmwarewhichwouldbeembeddedinsystemfirmware.The systemfirmwareisprogrammedandprotectedinflashmemory. Theprofessionalinstaller/end‐usercannotaccesstheflash memory.End‐useonlycouldselectwhichmaster(AP)to connect. b.Whatparametersareaccessibleormodifiableby theprofessionalinstallerorsystemintegrators? ThereisnotanyWi-Fiparameterwhichisaccessibleor modifiabletotheprofessionalinstaller. (1)Aretheparametersinsomewaylimited,sothat theinstallerswillnotenterparametersthatexceed thoseauthorized? Thisdeviceisnotsubjecttoprofessionalinstallation (2)Whatcontrolsexistthattheusercannotoperate thedeviceoutsideitsauthorizationintheU.S.? Thisdeviceisnotsubjecttoprofessionalinstallation c.Whatparametersareaccessibleormodifiableby theend-u…

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

FCC Agent Authorization Letter Date: __________________ SUBJECT: FCC Application for FCC ID: _______________________________ To Whom It May Concern: We, the undersigned, hereby authorize _________________________________________ in _____________________________________________ on our behalf, to apply to the Federal Communications Commission for our equipment. Any and all acts carried out by _____________________________________________ on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Client’s signature: ________________________________ Client’s name & title: _____________________________ Contact information / address: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046

Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: ________________ Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Type of Confidentiality Requested Exhibit Type ☐Short Term ☐Permanent Block Diagrams ☐Short Term External Photos ☐Short Term ☐Permanent* Internal Photos ☐Short Term ☐Permanent Operation Description ☐Short Term ☐Permanent Parts List/BOM ☐Short Term ☐Permanent Schematics ☐Short Term Test Setup Photos ☐Short Term ☐Permanent* User manual *Requires further justification before permanent confidentiality will be allowed. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of ____________ days. Sincerely, Client’s signature: ________________________________ Client’s name & title: _____________________________ Contact information / address:

BYD Productname ： In-vehicle Multimedia Host Modelno. ： MTCZ05 Powersupply ： 12V BYD Auto Industry Company Limited No. 3001, 3007, Hengping Road, Pingshan, Shenzhen, P. R. China Made in China FCC ID:SD4-MTCZ05 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions :(1)This device may not cause harmful interference, and (2)this device must accept any interference received, including interference that may cause undesiredoperation. Labellocation

Report No.: ACT-RF-260300605 This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. Cover Page RF Exposure Evaluation Report Applicant: BYD Auto Industry Company Limited Address of Applicant: No.3001,3007, HengPing Road, Pingshan, Shenzhen, Guangdong, P.R. China Product Name: In-vehicle Multimedia Host Model No.: MTCZ05 Brand Name: BYD FCC ID: SD4-MTCZ05 Test Standards: FCC CFR Title 47 Part 2 (§2.1091) Date of Sample Receipt: Mar. 02, 2026 Date of Test: Mar. 03 to Apr.22, 2026 Date of Report Issue: Apr. 23, 2026 Prepared By: Shenzhen Acote Technology Co., Ltd. Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Winner Zhang / Manager Approved by Aron Wu / Senior Engineer Reviewed by Report No.: ACT-RF-260300605 Shenzhen Acote Technology Co., Ltd. Page 2 of 8 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-055 Version A0 (20250714) Report Revision History Rev. Issue Date Description V00 Apr. 23, 2026 Initial Release Report No.: ACT-RF-260300605 Shenzhen Acote Technology Co., Ltd. Page 3 of 8 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-055 Version A0 (20250714) Table of Contents Cover Page ............................................................................................................................. 1 Report Revision History ........................................................................................................ 2 Table of Contents................................................................................................................... 3 1 Laboratory Introduction .................................................................................................. 4 Laboratory Location................................................................................................................................... 4 1.1 Laboratory Facility ..................................................................................................................................... 4 1.2 Announcement .......................................................................................................................................... 4 1.3 Disclaimer .................................................................................................................................................. 4 1.4 2 Equipment Under Test Information ................................................................................ 5 Application Information .............................................................................................................................. 5 2.1 Product Information ................................................................................................................................... 5 2.2 EUT Technical Parameters ....................................................................................................................... 5 2.3 3 Test Information ............................................................................................................... 6 Test Methodology ...................................................................................................................................... 6 3.1 Additions to, Deviations, or Exclusions from the Method .......................................................................... 6 3.2 Test Mode ................................................................................................................................................. 6 3.3 Worst-case ................................................................................................................................................ 6 3.4 4 Technical requirements specification ............................................................................ 7 Limits ......................................................................................................................................................... 7 4.1 Result ........................................................................................................................................................ 8 4.2 Conclusion ................................................................................................................................................. 8 4.3 Report No.: ACT-RF-260300605 Shenzhen Acote Technology Co., Ltd. Page 4 of 8 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-055 Version A0 (20250714) 1 Laboratory Introduction Laboratory Location 1.1 Company Name: Shenzhen Acote Technology Co., Ltd. Address of Main Laboratory: Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China. Address of Satellite Laboratory: 101, F1, building 15, zhongda 365, Xincheng Road No.9, Songshanhu, Dongguan, Guangdong, China. Website: www.acotelabs.com Email: [email protected] Tel.: +86-0755-2788 9963 Laboratory Facility 1.2 Our company’s laboratory facilities have received accreditation, certification, or authorization from the following organizations:  FCC - Designation No.: CN14…

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

UXEA-7903620WiFiAntennaProductSpecification UXEA-7903620WiFi天线 UXEA-7903620WiFiAntenna Ver.：A/0 编写Writer：李文奇Li.wenqidate：2025.09.17 批准Approve：冯均劲Feng.junjingdate：2025.09.17 第十五事业部 Division15 UXEA-7903620WiFiAntennaProductSpecification 文件修改记录FileRevisionHistory 版本号 Ver. 修改内容简述 RevisionHistory 生效日期 Effectivedate 拟稿 draft 审核 Audit 批准 Approve A/0 首次发行 Initialissue 2025.09.17李文奇冯均劲 UXEA-7903620WiFiAntennaProductSpecification 目录Content 1产品概述GeneralDescription 1.1概述Application 1.2系统/产品框图SystemandProductdiagram 1.3外形尺寸图MechanicalDimension 1.4引脚定义PinDefinition 2技术参数Specification 2.1WiFi天线WiFiAntenna 3可靠性Reliability 4安装推荐Installationrecommendation UXEA-7903620WiFiAntennaProductSpecification 1产品概述GeneralDescription 1.1概述Application 该多合一天线包含：WiFi天线*2。 Antennasetup:WiFiantenna×2. 1.2系统/产品框图SystemandProductdiagram 图1：系统/产品框图 Figure1.SystemandProductdiagram 1.3外形尺寸图MechanicalDimensions WiFi天线1， 内有10KΩ 检测电阻对 地 WiFiantenna 1with10KΩ WiFi天线2， 内有10KΩ 检测电阻对 地 WiFi antenna1 with10KΩ UXEA-7903620WiFiAntennaProductSpecification 图2：外形图 Figure2.MechanicalDimension 1.4引脚定义PinDefinition 序 号 使用位置 电器端护套端 连接器型号品牌连接器型号品牌 1WIFI天线1 35554949 安波福APTIV 35127563 安波福APTIV 2WIFI天线2 35554949 安波福APTIV 35127563 安波福APTIV 2产品参数ProductSpecification 2.1WiFi天线WiFiAntenna 频率 Frequency 驻波 SWR 峰值增益 PeakGain 平均效率 AverageEfficiency WiFi天线1 WiFiAntenna1 2400～2500 5150～7125MHz ≤3 ≥1.64dBi≥48.4% WiFi天线2 WiFiAntenna2 2400～2500 5150～7125MHz ≤ 3 ≥1.2dBi≥52.04% 方向图RadiationPattern WiFi天线1WiFiAntenna1WiFi天线2WiFiAntenna2 UXEA-7903620WiFiAntennaProductSpecification 3可靠性Reliability 表9：可靠性规格Table9.ReliabilitySpecification 项目 Items 规格 Specification 备注 Remarks UXEA-7903620WiFiAntennaProductSpecification 工作温度operationtemperature-40°C~85°C 存储温度storagetemperature-40°C~90°C 高温耐久HighTemperatureoperation85°C1340h 低温工作LowTemperatureoperation-40°C48h(低温保存24h，启动工作24h) 恒定湿热ConstantThermalandHumidity85°C，85%，700h 冷热冲击ThermalShock 85°C,-40°C，温度保持30min，80个循环 85°C,-40°C，30min，80cycles 振动vibration 加速度有效值：27.4m/s² RMSAcceleration：27.4m/s² 机械冲击MechanicalShock 冲击形式：半正弦，峰值加速度：２５ｇ， 脉冲时间10ms，冲击次数：X、Y、Z三个 轴向的每个方向各400次，总共2400次。 4安装推荐Installationrecommendation 1.与天线相连的转接延长线束需使用低损耗50欧姆同轴线，推荐线材型号：莱尼dacar302-3。 Theadapterextensionharnessconnectedtotheantennashouldbealow-loss50Ωcoaxialcable,with therecommendedcablemodel:dacar302-3. 2.天线安装于塑料面板上方，天线上方不允许有金属遮挡。如果天线安装在金属面板上方，天线下方的金属面板需 要挖空或者把天线的安装点垫高15mm，保证天线的效率。 Theantennashouldbeinstalledabovetheplasticpanel,andnometalshouldbeallowedtocoverthe antenna.Iftheantennaisinstalledaboveametalpanel,themetalpanelbelowtheantennaneedstobe hollowedoutorthemountingpositionofantennashouldberaisedby15mmtoensureitsefficiency. 3.远离强干扰源 Keepawayfromradiationsources.

Report No.: ACT-RF-260300601 This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. Cover Page FCC RF Test Report (Bluetooth) Applicant: BYD Auto Industry Company Limited Address of Applicant: No.3001,3007, HengPing Road, Pingshan, Shenzhen, Guangdong, P.R. China Product Name: In-vehicle Multimedia Host Model No.: MTCZ05 Brand Name: BYD FCC ID: SD4-MTCZ05 Test Standards: FCC CFR Title 47 Part 15C (§15.247) Date of Sample Receipt: Mar. 02, 2026 Date of Test: Mar. 03 to Apr.22, 2026 Date of Report Issue: Apr. 23, 2026 Prepared By: Shenzhen Acote Technology Co., Ltd. RooRoom 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Winner Zhang / Manager Approved by Aron Wu / Senior Engineer Reviewed by Report No.: ACT-RF-260300601 Shenzhen Acote Technology Co., Ltd. Page 2 of 57 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-001 Version A0 (20250714) Report Revision History Rev. Issue Date Description V00 Apr. 23, 2026 Initial Release Report No.: ACT-RF-260300601 Shenzhen Acote Technology Co., Ltd. Page 3 of 57 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-001 Version A0 (20250714) Table of Contents Cover Page ............................................................................................................................. 1 Report Revision History ........................................................................................................ 2 Table of Contents................................................................................................................... 3 1 Laboratory Introduction .................................................................................................. 4 Laboratory Location................................................................................................................................... 4 1.1 Laboratory Facility ..................................................................................................................................... 4 1.2 Announcement .......................................................................................................................................... 4 1.3 Disclaimer .................................................................................................................................................. 4 1.4 2 Equipment Under Test Information ................................................................................ 5 Application Information .............................................................................................................................. 5 2.1 Product Information ................................................................................................................................... 5 2.2 EUT Technical Parameters ....................................................................................................................... 5 2.3 3 Test Information ............................................................................................................... 6 Test Methodology ...................................................................................................................................... 6 3.1 Test Result Summary ................................................................................................................................ 6 3.2 Environment of test site ............................................................................................................................. 6 3.3 Measurement Uncertainty ......................................................................................................................... 7 3.4 Description of Support Units ..................................................................................................................... 7 3.5 Additions to, Deviations, or Exclusions from the Method .......................................................................... 7 3.6 Test Instruments List ................................................................................................................................. 8 3.7 4 Test Configuration of EUT ............................................................................................. 10 Channels Selected to Perform the Tests ................................................................................................ 10 4.1 Test Mode ............................................................................................................................................... 10 4.2 Worst-case Configuration ........................................................................................................................ 10 4.3 Test Setup Block ..................................................................................................................................... 11 4.4 5 Technical requirements specification .......................................................................... 12 Antenna Requirement ............................................................................................................................. 12 5.1 AC Power Line Conducted Emission .................................................................................................…

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

Report No.: ACT-RF-260300601 Shenzhen Acote Technology Co., Ltd. Page 1 of 45 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-001 Version A0 (20250714) Test Data Appendix For BT (Primary Antenna) Report No.: ACT-RF-260300601 Shenzhen Acote Technology Co., Ltd. Page 2 of 45 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-001 Version A0 (20250714) Table of Contents Table of Contents .................................................................................................................................................................... 2 20dB Emission Band width .................................................................................................................................................... 3 99% Occupied Bandwidth ...................................................................................................................................................... 8 Conducted Output Power ..................................................................................................................................................... 13 Carrier Frequencies Separation ........................................................................................................................................... 18 Hopping Channel Number .................................................................................................................................................... 21 Dwell Time ............................................................................................................................................................................. 24 Band-edge Emission ............................................................................................................................................................. 29 Conduction Spurious Emission ........................................................................................................................................... 35 Report No.: ACT-RF-260300601 Shenzhen Acote Technology Co., Ltd. Page 3 of 45 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-001 Version A0 (20250714) 20dB Emission Band width Test Mode Antenna Frequency (MHz) 20dB EBW [MHz] FL [MHz] FH [MHz] DH5 Ant1 2402 0.849 2401.568 2402.417 2441 0.843 2440.571 2441.414 2480 0.852 2479.565 2480.417 2DH5 Ant1 2402 1.314 2401.346 2402.660 2441 1.323 2440.337 2441.660 2480 1.320 2479.337 2480.657 3DH5 Ant1 2402 1.308 2401.346 2402.654 2441 1.323 2440.343 2441.666 2480 1.323 2479.343 2480.666 Report No.: ACT-RF-260300601 Shenzhen Acote Technology Co., Ltd. Page 4 of 45 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-001 Version A0 (20250714) Test Graphs DH5_Ant1_2402 DH5_Ant1_2441 DH5_Ant1_2480 Report No.: ACT-RF-260300601 Shenzhen Acote Technology Co., Ltd. Page 5 of 45 Project No.: ACT-RF-2603006 Room 719, Excellence Times Building, No. 27, Xinqiao 3rd Road, Xinqiao Community, Xinqiao Street, Bao'an District, Shenzhen, Guangdong Province, China Report Template No.: ACT-4-FM-RF-001 Version A0 (20250714) 2DH5_Ant1_2402 2DH5_Ant1_2441 2DH5_Ant1_2480 Report No.: ACT-RF-260300601 Shenzhen Acote Technology Co., Ltd. Page 6 of 45 Project No.: ACT-RF-2603006 Room 719, Excelle…

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