2A2P9-EFSR8258Bluetooth Module

MR500-UV-BT产品规格书 ProductSpecification TLSR82582.4GHz无线模块 第一章概述summary 1.1产品简介ProductIntroduction MR500-UV-BT是正浩创新科技基于TELINKTLSR8258无线SOC设计生产的一款小体积、低功耗、高可靠 性、工作在2.4GHz频段的蓝牙模块，芯片自带高达48Mhz的32位高性能MCU，发射功率最高可达到12dBm, 其最低周期休眠电流2uA。 TheMR500-UV-BTisasmallsize,lowpowerconsumption,highreliabilityBluetoothmoduledesignedand producedbyEcoFlowInc.basedonTELINKTLSR8258wirelessSOC,operatinginthe2.4GHzfrequencyband.The chipcomeswitha32-bithigh-performanceMCUwithamaximumtransmissionpowerof12dBmandaminimum sleepcurrentof2uA. 1.2功能特点 大容量：512K容量的flash，64K容量的RAM，网络节点可以扩展到100以上； Largecapacity:512Kcapacityflash,64KcapacityRAM,networknodescanscaletoover100 角色切换：用户可通过串口指令让设备在终端和休眠终端的两种种类型中任意切换；Roleswitching: Userscanuseserialportcommandstoallowdevicestoswitchbetweenterminalandsleepterminal typesatwill 支持多种网络拓扑：点对点，星型网，MESH网； Supportmultiplenetworktopologies:peer-to-peer,starnetwork,MESHnetwork; 网络自愈：网络中间节点丢失，其他网络自动加入或保持原网络； Networkself-healing:Ifanintermediatenodeinthenetworkislost,othernetworkswillautomatically joinormaintaintheoriginalnetwork 串口配置：模块内置串口指令，用户可通过出串口指令配置（查看）模块的参数及功能。 SerialPortConfiguration:Themodulehasbuilt-inserialportinstructions,anduserscanconfigure(view) theparametersandfunctionsofthemodulethroughtheserialportinstructions. 一键恢复波特率：如果用户忘记或不知波特率的情况下，可使用该功能，恢复默认波特率为115200。 Oneclickrecoveryofbaudrate:Iftheuserforgetsordoesnotknowthebaudrate,thisfunctioncanbe usedtorestorethedefaultbaudrateto115200 串口接收唤醒：支持串口接收唤醒功能，当模块处于休眠状态下当接收到一帧小于等于10个字节的数 据时将被唤醒，此数据为唤醒帧用于唤醒模块将不会被当做数据处理。 Serialportwake-upreception:supportstheserialportwake-upreceptionfunction.Whenthemoduleis inasleepstateandreceivesaframeofdatalessthanorequalto10bytes,itwillbeawakened.Thisdata isawake-upframeusedtowakeupthemoduleandwillnotbeprocessedasdata. 模块复位：用户可通过串口命令对模块进行复位操作。 Modulereset:Userscanresetthemodulethroughserialcommands 恢复出厂设置：用户可通过串口命令对模块进行出厂设置的恢复 Restorefactorysettings:Userscanrestorethefactorysettingsofthemodulethroughserialcommands 空中配置：用户可使用空中配置指令远程配置网络中的其他设备 Overtheairconfiguration:Userscanremotelyconfigureotherdevicesinthenetworkusingovertheair configurationcommands 第二章规格参数Specificationparameters 2.1极限参数Limitparameters 主要参数 mainparameter 性能function备注 最小值最大值 电源电压（V） supplyvoltage 1.93.6Permanentlyburned outmoduleexceeding 3.6V 工作温度（°C） working temperature -40+85Industrialgrade 2.2工作参数Workingparameters mainparameterfunctionNote minnommax Workingvoltage (V) 1.93.33.6≥3.3VGuaranteed outputpower Communication level(V) 3.3Thereisariskofburning outwhenusing5VTTL Working temperature(°C) -40-+85Industrialgradedesign Operating frequency(MHz) 2405-2480SupportforISM frequencyband AirSpeed(bps)250K mainparameterDescriptionremarks Referencedistance30m PackagingmethodSMDtype Interfacemethod2.5mmStamphole FullnameofICTLSR8258F512ET48 FLASH 512KB RAM 64KB kernel32位MCU Overalldimensions36*26mm AntennainterfacePCBEquivalentimpedance50Ω 第三章机械尺寸与引脚定义Mechanical dimensionsandpindefinitions PinnumberPinnamePindirectionPinpurpose 13.3VinputModulepowersupply 2nWakeupFromBTinputReserved,directly suspended 3nLedFromBToutputReserved,directly suspended 4TXoutputSerialportsendingend TX 5RXinputSerialportreceiverRX 6BT_MatchinginputReserved,directly suspended 7GND-Groundwire,connected tothepowerreference ground 8NC-Reserved,directly suspended 9NC-Reserved,directly suspended FCCSTATEMENT ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothe followingtwoconditions: Thisdevicemaynotcauseharmfulinterference,and Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmay causeundesiredoperation. Warning:Changesormodificationsnotexpresslyapprovedbytheparty responsibleforcompliancecouldvoidtheuser'sauthoritytooperatethe equipment. NOTE:Thisequipmenthasbeentestedandfoundtocomplywiththelimitsfora ClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsare designedtoprovidereasonableprotectionagainstharmfulinterferenceina residentialinstallation.Thisequipmentgeneratesusesandcanradiateradio frequencyenergyand,ifnotinstalled andusedinaccordancewiththeinstructions,maycauseharmfulinterferenceto radiocommunications.However,thereisnoguaranteethatinterferencewillnot occurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterference toradioortelevisionreception,whichcanbedeterminedbyturningtheequipment offandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormore ofthefollowingmeasures: Reorientorrelocatethereceivingantenna. Increasetheseparationbetweentheequipmentandreceiver. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthe receiverisconnected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. FCCRadiationExposureStatement: ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolled environment.Thedevicecanbeusedinportableexposureconditionwithoutrestriction. IntegrationinstructionsforhostproductmanufacturersaccordingtoKDB996369D03OEM Manualv01 2.2ListofapplicableFCCrules FCCPart15SubpartC15.247&15.207&15.209 2.3Specificoperationaluseconditions OperationFrequency:2402~2480MHz NumberofChannel:40Channels ModulationType:GFSK AntennaType:PCBantenna AntennaGain(Peak):3.32dBi(Providedbycustomer) Themodulecanbeusedformobileorportableapplicationswithamaximum3.32dBiantenna.The hostmanufacturerinstallingthismoduleintotheirproductmustensurethatthefinalcompositproduct complieswiththeFCCrequirementsbyatechnicalassessmentorevaluationtotheFCCrules, includingthetransmitteroperaition.Thehostmanufacturerhastobeawarenottoprovideinformation totheenduserregardinghowtoinstallorremovethisRFmoduleintheuser'smanualoftheend productwhichintegratesthismodule.Theendusermanualshallincludeallrequiredregulatory information/warningasshowinthismanual. 2.4Limitedmoduleprocedures TheEF-SR8258moduleis“limitedmodule”,whichisusedwiththeinstallationrequirementas describedasabove.AnyotheralternativemethodonusingEF-SR8258moduleshouldgetapprovalwith reviewsofdetailedtestdataorhostdesigns,especiallyRFexposureevaluationpart.. 2.5Traceantennadesigns Notapplicable.Themodulehasitsownantenna,anddoesn’tneedah…

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-EcoFlowInc.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCC. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 4/12/23 U.S.AgentDesignation [EcoFlowInc.]acknowledgestheirconsentforthefollowingcontactlocatedintheUnitedStatesto actastheiragentforserviceofprocessfortheequipmentforwhichauthorizationissought(FCCID: [2A2P9-EFSR8258]): NameandcompanyofU.S.agent: EcoFlowTechnologyInc PhysicalU.S.addressofagent: 200CONTINENTALDRIVESUITE401,OFFICE434,NEWAR DE19713,NEWARK,DELAWARE,19713,USA FRNofU.S.agent:0033593781 EmailaddressofU.S.agent:[email protected] [EcoFlowTechnologyInc]acknowledgestheirobligationtoacceptserviceofprocessonbehalfof [EcoFlowInc.]. [EcoFlowInc.]acceptsitsobligationtomaintainanagentforserviceofprocessintheUnitedStates fornolessthanoneyearaftereitherthegranteehaspermanentlyterminatedallmarketingand importationoftheapplicableequipmentwithintheU.S.,ortheconclusionofanyCommission-related administrativeorjudicialproceedinginvolvingtheequipment,whicheverislater. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(d)(7). Sincerely, Signature [VickyGuan] [R&DEngineer] [EcoFlowInc.] 4 8 _ [ m o d e l ] U S _ A g e n t _ 2 . 9 1 1 ( d ) ( 7 ) - U , V 0 3 -EcoFlowInc.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. Anexpirationdateforthisletterdoesnotexist.IncasetheU.S.agentchanges,thegranteeisobligatedtonotifytheFCC. Signature [Johnson] [EcoFlowTechnologyInc]

-EcoFlowInc.- TheinformationprovidedinthisletterisbasedonthereferencedrulepartsofTitle47oftheCFRaswellasKDB986446D01. FederalCommunicationsCommission AuthorizationandEvaluationDivision EquipmentAuthorizationBranch 7435OaklandMillsRoad Columbia,MD21046 4/12/23 Towhomitmayconcern: We,[EcoFlowInc.],herebycertifythattheequipmentforwhichauthorizationissought(FCCID: 2A2P9-EFSR8258)isnot“covered”equipmentprohibitedfromreceivinganequipmentauthorization pursuantto§2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,wearenotidentifiedontheCovered List(https://www.fcc.gov/supplychain/coveredlist)asanentityproducing“covered”equipment. Bysigningthisform,weconfirmtheaboveandthatweareawareoftheapplicationrequirements listedunder§2.911(b)and(d)(5)and(6). Sincerely, Signature [VickyGuan] [R&DEngineer] EcoFlowInc. 6 2 _ [ m o d e l ] C o v e r e d E q u _ 2 . 9 1 1 ( d ) ( 5 ) ( i ) a n d ( i i ) - U , V 0 2

FCClimitedModularApprovalRequest TotheFCCorFCCTCBhandlingthisapplication Herebywe, Company(grantee)EcoFlowInc. AddresssPlantA202,FounderTechnologyIndustrialPark,ShiyanSub-district,Bao'anDistrict, Shenzhen,Guangdong,518000,China City/ZIP/State/CountryShenzhen,Guangdong,518000,China requestlimitedmodularapprovalforthecertificationofourequipmentwithinthisapplication,identifiedby: FCCID:2A2P9-EFSR8258 Thetablebelowcontainsjustificationformodularapprovalofthisequipment. RequirementperDA00-1407Explanationfromgrantee 1.ThemodulartransmittermusthaveitsownRFshielding. NoRFshielding. Themodulartransmittermusthavebufferedmodulation/datainputs(ifsuchinputsare provided)toensurethatthemodulewillcomplywithPart15requirementsunderconditions ofexcessivedataratesorover-modulation. Themodularhavebuffered modulation/datainputs. 2.Themodulartransmittermusthaveitsownpowersupplyregulation.Themodulartransmitterhaveitsown powersupplyregulation.(DC3.3V) ThemodulartransmittermustcomplywiththeantennarequirementsofSection15.203and 15.204(c).Theantennamusteitherbepermanentlyattachedoremploya“unique”antenna coupler(atallconnectionsbetweenthemoduleandtheantenna,includingthecable).. Yes.TheEUThasaPCBantenna. 3.Themodulartransmittermustbetestedinastand-aloneconfiguration,i.e.,themodule mustnotbeinsideanotherdeviceduringtesting.Thisisintendedtodemonstratethatthe moduleiscapableofcomplyingwithPart15emissionlimitsregardlessofthedeviceinto whichitiseventuallyinstalled. Themodulewastestedinastand-alone configuration,pleaserefertotheSetup Photoforthedetail 4.ThemodulartransmittermustbelabeledwithitsownFCCIDnumber,and,iftheFCCID isnotvisiblewhenthemoduleisinstalledinsideanotherdevice,thentheoutsideofthe deviceintowhichthemoduleisinstalledmustalsodisplayalabelreferringtotheenclosed module.Thisexteriorlabelcanusewordingsuchasthefollowing:“ContainsTransmitter ModuleFCCID:2A2P9-EFSR8258”or“ContainsFCCID:2A2P9-EFSR8258.”Anysimilar wordingthatexpressesthesamemeaningmaybeused.TheGranteemayeitherprovide suchalabel,anexampleofwhichmustbeincludedintheapplicationforequipment authorization,or,mustprovideadequateinstructionsalongwiththemodulewhichexplain thisrequirement.Inthelattercase,acopyoftheseinstructionsmustbeincludedinthe applicationforequipmentauthorization. Pleaserefertolabelsampleexhibit-host labelingisdescribedinintegrationmanual 5.Themodulartransmittermustcomplywithanyspecificruleoroperatingrequirements applicabletothetransmitterandthemanufacturermustprovideadequateinstructionsalong withthemoduletoexplainanysuchrequirements.Acopyoftheseinstructionsmustbe includedintheapplicationforequipmentauthorization.Forexample,thereareverystrict operationalandtimingrequirementsthatmustbemetbeforeatransmitterisauthorizedfor operationunderSection15.231.Forinstance,datatransmissionisprohibited,exceptfor operationunderSection15.231(e),inwhichcasethereareseparatefieldstrengthleveland timingrequirements.Compliancewiththeserequirementsmustbeassured. TherequiredFCCrulehasbeenfulfilled andalltheinstructionsforthemaintaining compliancehavebeenclearlystatedinthe UserManual. 6.ThemodulartransmittermustcomplywithanyapplicableRFexposurerequirements.For example,FCCRulesinSections2.1091,2.1093andspecificSectionsofPart15,including 15.319(i),15.407(f),15.253(f)and15.255(g),requirethatUnlicensedPCS,UNIIand millimetrewavedevicesperformroutineenvironmentalevaluationforRFExposureto demonstratecompliance.Inaddition,spreadspectrumtransmittersoperatingunderSection 15.247arerequiredtoaddressRFExposurecomplianceinaccordancewithSection 15.247(b)(4).ModulartransmittersapprovedunderotherSectionsofPart15,when necessary,mayalsoneedtoaddresscertainRFExposureconcerns,typicallybyproviding specificinstallationandoperatinginstructionsforusers,installersandotherinterestedparties toensurecompliance. Theportableexposureevaluationwith 5mmissubmittedforthecomplianceofRF Exposurerequirement. Attestation(bygrantee) CityandCountry:Date:Name: (thismustbeaperson) Function:Signature: (orofficialcompanystamp) Shenzhen/China2023-04-14VickyGuanR&DEngineer

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version01 EcoFlowInc. DeclarationconcerningAntennaSpecification Itisherebydeclaredthattheproduct ModelNo.:EF-SR8258 FCCID:2A2P9-EFSR8258 fulfillstherequirementinFCCtestrelatingtotheantennatype. ThedevicespecifiedaboveconfirmstotheFCCrecommendationsfor Internal antennatype(s) describedbelow: ModelNo.ofantenna:EF8258 Typeofantenna:PCBantenna Gainoftheantenna:3.32dBi Frequencyrange:2.4G:2400-2500MHz Themountingoftheantennaisfixedtotheradiomoduleandnootherantennashouldbeused. Companyname:EcoFlowInc. Address:PlantA202,FounderTechnologyIndustrialPark,ShiyanSub-district,Bao'an District,Shenzhen,Guangdong,518000,China City:Shenzhen,Guangdong ZIP/Postalcode:518000 Country:China Place:Date:4/14/2023 Signature:

Report No.: BL-SZ2330465-901 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (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: EcoFlow Inc. Address: Plant A202, Founder Technology Industrial Park, Shiyan Sub-district, Bao’an District Shenzhen, Guangdong 518000 China Equipment Type: MR511 BLE PCB Antenna Model Name: EF8258 Brand Name: N/A Test Standard: IEEE Std 149-2021 Sample Arrival Date: Mar. 08, 2023 Test Date: Mar. 08, 2023 Date of Issue: Mar. 13, 2023 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Mai Jintian Checked by: Zou Liu Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ2330465-901 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (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 Mar. 13, 2023 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 3 1.1 Test Laboratory ................................................................................................................... 3 1.2 Test Location ....................................................................................................................... 3 2 PRODUCT INFORMATION ....................................................................................................... 4 2.1 Applicant Information ........................................................................................................... 4 2.2 Manufacturer Information .................................................................................................... 4 2.3 Factory Information ............................................................................................................. 4 2.4 General Description for Equipment under Test (EUT) ......................................................... 4 2.5 Ancillary Equipment ............................................................................................................. 4 2.6 Technical Information .......................................................................................................... 4 3 SUMMARY OF TEST RESULTS ............................................................................................... 5 3.1 Test Standards .................................................................................................................... 5 3.2 Test Verdict ......................................................................................................................... 5 3.3 Test Uncertainty .................................................................................................................. 5 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 6 4.1 Test Condition ..................................................................................................................... 6 4.2 Test Equipment List ............................................................................................................. 6 4.3 Test Setup ........................................................................................................................... 7 ANNEX A TEST RESULTS ........................................................................................................... 8 A.1 Gain and Efficiency ............................................................................................................. 8 ANNEX B RADIATION PATTERN ................................................................................................ 9 ANNEX C TEST SETUP PHOTO ................................................................................................ 12 ANNEX D EUT PHOTO .............................................................................................................. 13 Report No.: BL-SZ2330465-901 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shenzhen BALUN Technology Co., Ltd. Address Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Phone Number +86 755 6685 0100 1.2 Test Location Name Shenzhen BALUN Technology Co., Ltd. Location Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1/F, Building B, Ganghongji High-tech Intelligent Industrial Park, No. 1008, Songbai Road, Yangguang Community, Xili Sub-district, Nanshan District, Shenzhen, Guangdong Province, P. R. China Report No.: BL-SZ2330465-901 Tel: +86-755-66850100 E-mail: [email protected] Page No. 4 / 14 Web: www.titcgroup.com Template No.: TRP-Passive-EN (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant EcoFlow Inc. Address Plant A202, Founder Technology Industrial Park, Shiyan Sub-district, Bao’an District Shenzhen, Guangdong 518000 China Contact Person Devin Li E-mail Address Devin [email protected] 2.2 Manufacturer Information Manufacturer EcoFlow Inc. Address Plant A202, Founder Technology Industrial Park, Shiyan Sub-district, Bao’an District Shenzhen, Guangdong 518000 China 2.3 Factory Information Factory N/A Address N/A 2.4 General Description for Equipment under Test (EU…

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RFEXPOSUREEVALUATION FCCID:2A2P9-EFSR8258 AccordingtoFCC1.1310:Thecriterialistedinthefollowingtableshallbeused toevaluatetheenvironmentimpactofhumanexposuretoradiofrequency(RF) Radiationasspecifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum output power (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(dBm) Distance (mm) Calculation results Limit Operating Mode 2402-3.72-3.72 ±1 -2.7250.1663 BLE_1M2440-3.43-3.43±1-2.4350.1793 2480-3.09-3.09±1-2.0950.1953 2402-3.67-3.67 ±1 -2.6750.1683 BLE_2M2440-3.33-3.33±1-2.3350.1833 2480-2.92-2.92±1-1.9250.2023 Result:NoStandaloneSARtestisrequired.

Page1of32 AppendixTestData ReportNo.:18220WC30026501TestSampleNo.:1-2-2 StartTestDate:2023.02.22FinishTestDate:2023.04.06 TestEngineer:Auditor: Temperature:25.5 °C RelativeHumidity:49% Pressure:1012hPa AppendixA:DTSBandwidth TestResult TestModeAntennaFrequency[MHz] DTSBW [MHz] FL[MHz]FH[MHz]Limit[MHz]Verdict BLE_1MAnt1 24020.6642401.7002402.3640.5PASS 24400.6602439.7002440.3600.5PASS 24800.6962479.6842480.3800.5PASS BLE_2MAnt1 24021.2362401.4282402.6640.5PASS 24401.3322439.3802440.7120.5PASS 24801.2522479.4562480.7080.5PASS Page2of32 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page3of32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page4of32 BLE_2M_Ant1_2480 Page5of32 AppendixB:OccupiedBandwidth TestResult TestModeAntennaFrequency[MHz] OCB[MHz] FL[MHz]FH[MHz] BLE_1MAnt1 24021.02702401.51492402.5419 24401.02402439.51302440.5370 24801.02692479.51002480.5369 BLE_2MAnt1 24022.01072401.01392403.0246 24402.05042439.00262441.0530 24802.05762478.98642481.0440 Page6of32 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page7of32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page8of32 BLE_2M_Ant1_2480 Page9of32 AppendixC:ConductedPeakOutputPower TestResultPeak TestModeAntennaFrequency[MHz] ConductedPeak Power[dBm] Conducted Limit[dBm] Verdict BLE_1MAnt1 2402-3.72≤30PASS 2440-3.43≤30PASS 2480-3.09≤30PASS BLE_2MAnt1 2402-3.67≤30PASS 2440-3.33≤30PASS 2480-2.92≤30PASS Page10of32 TestGraphsPeak BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page11of32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page12of32 BLE_2M_Ant1_2480 Page13of32 AppendixD:Maximumpowerspectraldensity TestResult TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt1 2402-12.90≤8.00PASS 2440-12.94≤8.00PASS 2480-12.10≤8.00PASS BLE_2MAnt1 2402-15.94≤8.00PASS 2440-16.06≤8.00PASS 2480-15.61≤8.00PASS Page14of32 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page15of32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page16of32 BLE_2M_Ant1_2480 Page17of32 AppendixE:Bandedgemeasurements TestResult TestModeAntennaChName Frequency [MHz] RefLevel[dBm]Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 Low2402-4.45-58.46≤-24.45PASS High2480-3.71-57.35≤-23.71PASS BLE_2MAnt1 Low2402-6.29-40.14≤-26.29PASS High2480-4.98-57.65≤-24.98PASS Page18of32 TestGraphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 BLE_2M_Ant1_Low_2402 Page19of32 BLE_2M_Ant1_High_2480 Page20of32 AppendixF:ConductedSpuriousEmission TestResult TestModeAntenna Frequency [MHz] FreqRange [MHz] RefLevel [dBm] Result[dBm]Limit[dBm]Verdict BLE_1MAnt1 2402 Reference-4.45-4.45---PASS 30~1000-4.45-67.91≤-24.45PASS 1000~26500-4.45-53.74≤-24.45PASS 2440 Reference-5.31-5.31---PASS 30~1000-5.31-68.2≤-25.31PASS 1000~26500-5.31-52.05≤-25.31PASS 2480 Reference-3.80-3.80---PASS 30~1000-3.80-68.39≤-23.8PASS 1000~26500-3.80-53.51≤-23.8PASS BLE_2MAnt1 2402 Reference-6.78-6.78---PASS 30~1000-6.78-68.25≤-26.78PASS 1000~26500-6.78-53.22≤-26.78PASS 2440 Reference-6.30-6.30---PASS 30~1000-6.30-68.92≤-26.3PASS 1000~26500-6.30-52.37≤-26.3PASS 2480 Reference-6.63-6.63---PASS 30~1000-6.63-68.91≤-26.63PASS 1000~26500-6.63-53.55≤-26.63PASS Page21of32 TestGraphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 Page22of32 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 Page23of32 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 Page24of32 BLE_1M_Ant1_2480_1000~26500 BLE_2M_Ant1_2402_0~Reference Page25of32 BLE_2M_Ant1_2402_30~1000 BLE_2M_Ant1_2402_1000~26500 BLE_2M_Ant1_2440_0~Reference Page26of32 BLE_2M_Ant1_2440_30~1000 BLE_2M_Ant1_2440_1000~26500 Page27of32 BLE_2M_Ant1_2480_0~Reference BLE_2M_Ant1_2480_30~1000 BLE_2M_Ant1_2480_1000~26500 Page28of32 Page29of32 AppendixG:DutyCycle TestResult TestModeAntennaFrequency[MHz] ONTime [ms] Period [ms] DutyCycle [%] DutyCycle Factor[dB] BLE_1MAnt1 240219.0019.001000.00 244019.0019.001000.00 248019.0019.001000.00 BLE_2MAnt1 240219.0019.001000.00 244019.0019.001000.00 248019.0019.00100 0.00 Page30of32 TestGraphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 Page31of32 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 Page32of32 BLE_2M_Ant1_2480 ---End---

ReportNo.:18220WC30026501FCCID:2A2P9-EFSR8258Page1of30 Code:AB-RF-05-b FCCTestReport Applicant:EcoFlowInc. Address: PlantA202,FounderTechnologyIndustrial Park,ShiyanSub-district,Bao'anDistrict, Shenzhen,Guangdong,518000,China ProductName:BluetoothModule ReportDate:Apr.12,2023 ShenzhenAnbotekComplianceLaboratoryLimited ReportNo.:18220WC30026501FCCID:2A2P9-EFSR8258Page2of30 Code:AB-RF-05-b Contents 1.GeneralInformation............................................................................................................................................6 1.1.ClientInformation....................................................................................................................................6 1.2.DescriptionofDevice(EUT)..................................................................................................................6 1.3.AuxiliaryEquipmentUsedDuringTest.................................................................................................7 1.4.DescriptionofTestConfiguration..........................................................................................................7 1.5.DescriptionOfTestSetup......................................................................................................................8 1.6.TestEquipmentList.................................................................................................................................9 1.7.MeasurementUncertainty....................................................................................................................10 1.8.DescriptionofTestFacility...................................................................................................................10 2.SummaryofTestResults.................................................................................................................................11 3.ConductedEmissionTest................................................................................................................................12 3.1.TestStandardandLimit........................................................................................................................12 3.2.TestSetup...............................................................................................................................................12 3.3.TestProcedure.......................................................................................................................................12 3.4.TestData.................................................................................................................................................12 4.RadiationSpuriousEmissionandBandEdgeTest....................................................................................15 4.1.TestStandardandLimit........................................................................................................................15 4.2.TestSetup...............................................................................................................................................15 4.3.TestProcedure.......................................................................................................................................16 4.4.TestData.................................................................................................................................................17 5.ConductedPeakOutputPowerTest.............................................................................................................25 5.1.TestStandardandLimit........................................................................................................................25 5.2.TestSetup...............................................................................................................................................25 5.3.TestProcedure.......................................................................................................................................25 5.4.TestData.................................................................................................................................................25 6.6dBBandwidth&99%OccupiedBandwidthTest.......................................................................................26 6.1.TestStandardandLimit........................................................................................................................26 6.2.TestSetup...............................................................................................................................................26 6.3.TestProcedure.......................................................................................................................................26 6.4.TestData.................................................................................................................................................26 7.PowerSpectralDensityTest...........................................................................................................................27 7.1.TestStandardandLimit........................................................................................................................27 7.2.TestSetup...............................................................................................................................................27 7.3.TestProcedure...........................…

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