KunshanEtherHugeElectronicsCo.,Ltd EW-BLED-33BLES StandardModule Specification V1.0 20210923 1 KunshanEtherHugeElectronicsCo.,Ltd Rev.information Aboutthismanual 《EW-Bled-33ModuleSpecification》providesanintroductiontothe basicfunctionsoftheEW-BLED-33module,includingtheelectrical specifications,RADIOfrequencyperformance,pinsize,andreference schematicdesignofthemodule.Readerscanrefertothisdocumentfora detailedunderstandingoftheoverallfunctionalparametersofthe module. ChangeofHistory 2 Rev.DateChangeofhistoryEditor V1.02021.9.23 Initialrelease Tony KunshanEtherHugeElectronicsCo.,Ltd Tablecontent Aboutthismanual.........................................................................................................2 Changeofhistory...........................................................................................................2 Tablecontent................................................................................................................3 1.Profile....................................................................................................................4 1.1Features................................................................................................................4 1.2Scopeofapplication.................................................................................................4 2.Electronicdata...........................................................................................................5 3.Pinsexplanation.........................................................................................................7 3.1Pinslayout............................................................................................................7 3.2Pinsdefinition..........................................................................................................8 4.Referencedesign........................................................................................................9 4.1Referenceschematic.................................................................................................9 4.2Moduleprofilesize..................................................................................................10 4.3Caution...................................................................................................................11 4.4ReferencePCBpackage...........................................................................................12 5.Reflowparameterrecommendation.........................................................................13 3 KunshanEtherHugeElectronicsCo.,Ltd 1.Profile 1.1Features TheEW-Bled-33isasmall,low-costBluetoothBLE5.1standardizedmoduledevelopedby ShanghaiElectronicsWayCo.,Ltd. Thefeaturesofthismoduleareasfollows。  UsingFreqchipfr8018hchipBuilt-inhighperformance32-bitMCU，512KBFlash，48KBRAM  MeetBluetooth5.1standard,support1Mbps,500Kbps,125Kbpsrate  Transmittingpower:Maximum+10dBm(minimumto-20dbm)  Receivingsensitivity:Thereceivingsensitivityreaches-94dbmin125Kbpsmode  SupportUART,SPI,I2C,I2S,ADC,PWMandotherinterfaces  SupportFTMSprotocol,canbecustomizedaccordingtocustomercommunicationprotocol  Supporttruerandomnumbergenerator  Supportmasterandslavemultipleconnections,upto16connections ■ ThemodulehaspassedBQB,SRRC,FCCcertification  On-boardhighperformancePCBantenna Stampholepin,easyandreliabletoweld  Ultra-smallpackage：11.2x16mm  Ultrawidesupplyvoltage：1.8V-4.3V  Workingtemperature：-40°C~+105°C Ew-bled-33moduleonlyneedstoconnectVCC,GND,TXandRxtocompletethedatatransmissionand communicationfunction.Itcanalsobeusedaccordingto Customersneedtocustomizespecificcommunicationprotocolsandcustomizationfunctionsinspecific applicationenvironments.Afterthemoduleconfigurationiscompleted,therelevantsoftwarecanbeused Testthefunctionofcommunicationdata.UsersconductBluetoothconnectionandcommunicationtest throughcommonmobilephoneBluetoothcommunicationtesttools.Inaddition, Ew-bled-33modulecanalsobeusedasMCUinthefieldsoffitnessequipment,smallhousehold appliances,smarthomeandindustrialcontrolinstruments; YiweicompanyhasbeenengagedintheBluetoothfieldformanyyearsandhasstrongR&Dstrength.It caneasilyrealizetheinterconnection,datatransmissionandotherapplicationsofusers'Bluetoothdevices. Onthebasisofew-bled-33standardmodule,ourcompanycancustomizetheBluetoothmodulethat meetsthecustomer'susespecificationsaccordingtothecustomer'srequirements,andprovide correspondingsoftwareandhardwaresupport 1.2Applicationscope Fitnessequipment:Treadmill,Fitnessbike,Ellipticalmachine,etc； 4 KunshanEtherHugeElectronicsCo.,Ltd 2.Electronicdata AbsoluteMaximumRatings Note： Theelectricalcharacteristicslistedaretargetspecificationsforreferenceonly. Someofthedatamaybeupdatedbasedonactualtestresults。 ThevoltagevaluesshownarebasedonGNDinthemodule.Anyvoltageexceedingthe "maximumrating"maybeappliedtothedeviceandcausepermanentdamage. （RecommendedOperatingConditions）（PowerConsumption） 5 OperationModeAverageMaximumUnit TXpeekcurrent(0dB)9mA RXpeekcurrent12.8mA Deepsleepcurrent(include 48KretentionRAM) 12 μ A Poweroff5 μ A ItemSymbolMinTyp.MaxUnit SupplyVoltageVCC1.83.34.3V I/OVoltageALDO_OUT2.12.93.5V Operating Temperature Topr-20-85 º C RatingMinMaxUnit SupplyVoltageVCC1.84.3V I/OVoltageALDO_OUT2.13.5V Storage Temperature Tstr-2085 º C KunshanEtherHugeElectronicsCo.,Ltd （ AudioCODEC ） 6 DigitaltoAnalogueConverter(Mono) PARAMETERCONDITIONSMINTYPMAXUNIT Resolution---20Bits SamplingfrequencyThesynchronizedclock848kHz SNR (SignaltoNoiseRatio) Fin=1kHz B/W=20Hz — 20KHz A-WeightedTHD_N<0.01% Fs(8K,16K,32K,44.1K,48K) 92dB DigitalGainDigitalGain-4832dB AnalogueGainAnalogGainResolution=0-30dB OutputvoltageVDDA=2.9V1500mV Stopbandattenuation65dB AnalogtoDigitalConverter(Mono) PARAMETERCONDITIONSMINTYPMAXUNIT Resolution---16Bits SamplingfrequencyThesynchronizedclock848kHz SignaltoNoiseRatio A-weighted79dBFS W/Oweighting79dBFS DigitalGainDigitalGain-4832dB AnalogueGainAnalogGainResolution=030dB KunshanEtherHugeElectronicsCo.,Ltd 3. Pinsdefinition 3.1P…

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Attestation Statements

Compliance list INTEGRATION INSTRUCTIONS for 996369 D03 OEM the and 996369 D03 OEM by Sections 2.2 through 2.10. Requirement Yes N/A Comment 2.2 List of applicable FCC rules List the FCC rules that are applicable to the modular transmitter. These are the rules that specifically establish the bands of operation, the power, spurious emissions, and operating fundamental frequencies. DO NOT list compliance to unintentional-radiator rules (Part 15 Subpart B) since that is not a condition of a module grant that is extended to a host manufacturer. See also Section 2.10 below concerning the need to notify host manufacturers that further testing is required.3 YES Refer to instruction FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 2.3 Summarize the specific operational use conditions Describe use conditions that are applicable to the modular transmitter, including for example any limits on antennas, etc. For example, if point-to-point antennas are used that require reduction in power or compensation for cable loss, then this information must be in the instructions. If the use condition limitations extend to professional users, then instructions must state that this information also extends to the host manufacturer’s instruction manual. In addition, certain information may also be needed, such as peak gain per frequency band and minimum gain, specifically for master devices in 5 GHz DFS bands. YES Refer to instruction Trace antenna PCB antenna , Antenna gain 0dBi 2.4 Limited module procedures If a modular transmitter is approved as a “limited module,” then the module manufacturer is responsible for approving the host environment that the limited module is used with. The manufacturer of a limited module must describe, both in the filing and in the installation instructions, the alternative means that the limited module manufacturer uses to verify that the host meets the necessary requirements to satisfy the module limiting conditions. A limited module manufacturer has the flexibility to define its alternative method to address the conditions that limit the initial N/A approval, such as: shielding, minimum signaling amplitude, buffered modulation/data inputs, or power supply regulation. The alternative method could include that the limited module manufacturer reviews detailed test data or host designs prior to giving the host manufacturer approval. This limited module procedure is also applicable for RF exposure evaluation when it is necessary to demonstrate compliance in a specific host. The module manufacturer must state how control of the product into which the modular transmitter will be installed will be maintained such that full compliance of the product is always ensured. For additional hosts other than the specific host originally granted with a limited module, a Class II permissive change is required on the module grant to register the additional host as a specific host also approved with the module. 2.5 Trace antenna designs For a modular transmitter with trace antenna designs, see the guidance in Question 11 of KDB Publication 996369 D02 FAQ – Modules for Micro-Strip Antennas and traces. The integration information shall include for the TCB review the integration instructions for the following aspects: layout of trace design, parts list (BOM), antenna, connectors, and isolation requirements.4 a) Information that includes permitted variances (e.g., trace boundary limits, thickness, length, width, shape(s), dielectric constant, and impedance as applicable for each type of antenna); b) Each design shall be considered a different type (e.g., antenna length in multiple(s) of frequency, the wavelength, and antenna shape (traces in phase) can affect antenna gain and must be considered); c) The parameters shall be provided in a manner permitting host manufacturers to design the printed circuit (PC) board layout; d) Appropriate parts by manufacturer and YES Refer to instruction specifications; e) Test procedures for design verification; and f) Production test procedures for ensuring compliance. The module grantee shall provide a notice that any deviation(s) from the defined parameters of the antenna trace, as described by the instructions, require that the host product manufacturer must notify the module grantee that they wish to change the antenna trace design. In this case, a Class II permissive change application is required to be filed by the grantee, or the host manufacturer can take responsibility through the change in FCC ID (new application) procedure followed by a Class II permissive change application. 2.6 RF exposure considerations It is essential for module grantees to clearly and explicitly state the RF exposure conditions that permit a host product manufacturer to use the module. Two types of instructions are required for RF exposure information: (1) to the host product manufacturer, to define the application conditions (mobile, portable – xx cm from a person’s body); and (2) additional text needed for the host product manufacturer to provide to end users in their end-product manuals. If RF exposure statements and use conditions are not provided, then the host product manufacturer is required to take responsibility of the module through a change in FCC ID (new application). YES Refer to instruction This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. 2.7 Antennas A list of antennas included in the application for certification must be provided in the instructions. For modular transmitters approved as limited modules, all applicable professional installer instructions must be included as part of the information to the host product manufacturer. The antenna list shall also identify the antenna types (monopole, PIFA, dipole, etc. (note that for example an “omni-directional antenna” is not considered to be a specific…

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Attestation Statements

Single Modular approval Declaration letter We, Jiangsu Tech-leading information technology Co., Ltd. apply Single modular approval for Product Name: Bluetooth module Model:EW-BLED-33 FCC ID: 2AXDJ-EWBLED33 According to 996369 D01 Module Equip Auth Guide v01r04 and 15.212 requirement: 1) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly; Answer ：Yes ; Shielded . 2) The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal; Answer ：Yes ；All inputs to the modules are buffered through logic or microprocessor inputs. 3)The modular transmitter must have its own power supply regulation. Answer ：Yes ；A low drop out regulator is used for modular power supply regulation. 4) The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b); Answer ：Yes ；Device is equipped with Trace PCB antenna . (5) The module must demonstrate compliance in a stand-alone configuration; Answer ：Yes；Distance between modular and all AEs are bigger than 10cm ，refer to setup photo. (6) The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labeling requirements); Answer ：Yes ；The modular has a permanent fixed label, and below statement was listed in the User Manual ;The host device must be labeled to display the FCC ID of the module “Contains FCC ID: 2AXDJ-EWBLED33” (7) The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee; Answer ：Yes ；The module comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee, Refer to test report and user manual . (8) The module must comply with RF exposure requirements Answer ：Yes ；Transmitter meets MPE calculation of 47 CFR 1.1307 . Refer to MPE Reports and Refer to modular installation manual Please contact me if you have any further questions. Thanks for your attention. Best Regards, <Signature> Name ：Jing Liu Title ：manager Company ：Jiangsu Tech-leading information technology Co., Ltd.

Attestation Statements

antenna specification antenna size is 11.20mm*5.5mm From below Specification. Please refer to the chart below for PCB size of RF line terminal. 1) Antenna clearance area: there shall be no copper foil routing (package) directly below the antenna area of the user's motherboard(Including power supply, ground and signal layer). 2) Module position: ideally, the module should be arranged in a corner of the user's motherboard, PCB The antenna is located far from the motherboard End. This position minimizes the clearance area of the antenna. C1a is the antenna matching capacitance, which affects the signal strength. There is no need to paste here Antenna gain：0dBi

Cover Letter(s)

DATE2021/9/16 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2AXDJ-EWBLED33 ProductName:Bluetoothmodule RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommission’srules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...)  Schematics Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. <Signature> Name：JingLiu Title ：manager Company ：JiangsuTech-leadinginformationtechnologyCo.,Ltd.

Cover Letter(s)

DATE:2021/9/16 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointBlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.IOTTestCentre ofBlueAsia,BuildingC,No.107,ShihuanRoad,ShiyanSub-District,BaoanDistrict,Shenzhen, GuangdongProvince,China(NameofAgentcompanynameandaddress)toactasouragent inthepreparationofthisapplicationforequipmentcertification.Icertifythatsubmitted documentsproperlydescribethedeviceorsystemforwhichequipmentcertificationissought. Ialsocertifythateachunitmanufactured,importedormarketed,asdefinedintheFederal CommunicationsCommission’sregulationswillhaveaffixedtoitalabelidenticaltothat submittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonour behalf,Iacknowledgethatallresponsibilityforcomplyingwiththetermsandconditions forcertification,stillresideswith JingLiuRoom1606,ZhaofengPlaza,no.99,Huaanroad, Huaqiaotown,Kunshancity (ApplicantNameandaddress) <Signature> Name：JingLiu Title：manager Company：JiangsuTech-leadinginformationtechnologyCo.,Ltd.

External Photos

Model:EW-BLED-33

Internal Photos

Model:EW-BLED-33

RF Exposure Info

RFExposureEvaluationStatement Product Name: Bluetooth module Model No.：EW-BLED-33 FCC ID：2AXDJ-EWBLED33 1.1 RF Exposure Compliance Requirement 1.1.1Standard Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06 StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheador bodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,bymeasurementor numericalsimulation,isnotrequiredwhenthecorrespondingSARExclusionThresholdcondition,listed below,issatisfied. 1.1.2Limits The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparationdistances ≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]· [√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation 17 Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mmand fortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparation distanceis<5mm,adistanceof5mmisappliedtodetermineSARtestexclusion 1.1.3EUTRFExposure Channel Maximum Peak Conducted Output Power (dBm) Tuneup tolerance (dB) Maximumtune-upPower Calculated value Exclusion threshold (dBm)(mW) OperationalMode:BLE（worstcase） 3.0 24020.701 ±1 1.7011.480.46 24420.517 ±1 1.5171.420.44 24800.521 ±1 1.5211.420.45 Conclusion:thecalculatedvalue≤3.0,SARisexempted.

Test Report

Page 1 of 59 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd. Add:BuildingC,No.107,ShihuanRoad,ShiyanSub-District,BaoanDistrict,Shenzhen,GuangdongProvince,China Tel:+86-755-23059481Email:[email protected] TESTREPORT ProductName: Bluetoothmodule BrandMark: NA ModelNo.: EW-BLED-33 FCCID: 2AXDJ-EWBLED33 ReportNumber: BLA-EMC-202108-A8401 DateofSampleReceipt: 2021/8/19 DateofTest: 2021/8/20to2021/9/6 DateofIssue: 2021/9/6 TestStandard: 47CFRPart15,SubpartC15.247 TestResult:Pass Preparedfor: JiangsuTech-leadinginformationtechnologyCo.,Ltd. Room1606,ZhaofengPlaza,no.99,Huaanroad,Huaqiaotown, Kunshancity Preparedby: BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd. BuildingC,No.107,ShihuanRoad,ShiyanSub-District,BaoanDistrict, Shenzhen,GuangdongProvince,China TEL:+86-755-23059481 Compiledby:Reviewby: Approvedby:Date:2021/9/6 ReportNo.:BLA-EMC-202108-A8401 Page 2 of 59 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] REPORTREVISERECORD VersionNo.DateDescription 002021/9/6Original ReportNo.:BLA-EMC-202108-A8401 Page 3 of 59 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected] TABLEOFCONTENTS 1TESTSUMMARY ....................................................................................................................................................... 5 2GENERALINFORMATION ...................................................................................................................................... 6 3GENERALDESCRIPTIONOFE.U.T. .................................................................................................................... 6 4TESTENVIRONMENT .............................................................................................................................................. 7 5TESTMODE ............................................................................................................................................................... 7 6MEASUREMENTUNCERTAINTY .......................................................................................................................... 7 7DESCRIPTIONOFSUPPORTUNIT ...................................................................................................................... 8 8LABORATORYLOCATION ..................................................................................................................................... 8 9TESTINSTRUMENTSLIST ..................................................................................................................................... 8 10ANTENNAREQUIREMENT .................................................................................................................................. 12 10.1CONCLUSION ......................................................................................................................................................... 12 11CONDUCTEDSPURIOUSEMISSIONS ............................................................................................................. 13 11.1LIMITS ................................................................................................................................................................ 13 11.2BLOCKDIAGRAMOFTESTSETUP ...................................................................................................................... 13 11.3TESTDATA ............................................................................................................................................................ 13 12CONDUCTEDPEAKOUTPUTPOWER ............................................................................................................. 14 12.1LIMITS ................................................................................................................................................................ 14 12.2BLOCKDIAGRAMOFTESTSETUP ...................................................................................................................... 14 12.3TESTDATA ............................................................................................................................................................ 14 13CONDUCTEDEMISSIONSATACPOWERLINE(150KHZ-30MHZ) ........................................................... 15 13.1LIMITS ................................................................................................................................................................ 15 13.2BLOCKDIAGRAMOFTESTSETUP ...................................................................................................................... 15 13.3PROCEDURE ....................................................................................................................................................... 16 13.4TESTDATA ............................................................................................................................................................ 17 14RADIATEDSPURIOUSEMISSIONS ................................................................................................................... 19 14.1LIMITS ................................................................................................................................................................ 19 14.2BLOCKDIAGRAMOFTESTSETUP ...................................................................................................................... 20 14.3PROCEDURE ....................................................................................................................................................... 20 14.4TESTDATA ............................................................................................................................................................ 22 ReportNo.:BLA-EMC-202108-A8401 Page 4 of 59 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd.Tel:+86-755-23059481Email:[email protected]…

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Test Setup Photos

Model:EW-BLED-33 ConductedEmissionsatACPowerLine(150kHz-30MHz) RadiatedSpuriousEmissions