2AXSO-XJ-B23Bluetooth Module

宁波小匠物联网科技有限公司 1 XJ-B23 ProductSpecification ProductName：XJ-B23 FileVersion：Rev04 Ningbo Xiaojiang IoT Technology Co Ltd 宁波小匠物联网科技有限公司 2 Document Revision History No.Modify Modified byReviewed by versionDate 1Initial VersiongqsxtRev012020-6-9 2 1，Add flash operation instructions；2， Typical circuit description; gqsxtRev022020-8-11 3 1. Correct the repeated pin description; 2. Add distance description gqsxtRev032020-10-10 4Correct writing errorsgqsxtRev042021-01-29 Ningbo Xiaojiang IoT Technology Co Ltd 宁波小匠物联网科技有限公司 3 Table of Contents TABLE OF CONTENTS.............................................................................................................................3 CHAPTER 1 OVERVIEW..........................................................................................................................4 1.1 MODULEFUNCTIONCHARACTERISTICS........................................................................................................4 1.2 APPLICATION OCCASION............................................................................................................................4 CHAPTER 2 SPECIFICATIONS..................................................................................................................5 CHAPTER 3 HARDWARE LAYOUT AND INTERFACE DESCRIPTION...........................................................6 3.1 OVERALLDIMENSIONDRAWING................................................................................................................ 6 3.2 PINDIAGRAM.........................................................................................................................................6 3.3 TYPICALCIRCUIT......................................................................................................................................8 CHAPTER 4PRODUCTION GUIDANCE.......................................................................................... 8 4.1 PRODUCTIONGUIDE................................................................................................................................ 8 4.2R EQUIREMENTS ON P OSITIONS OF M ODULE ON B ACKPLANE .........................................................9 4.3O PENING D ESIGN OF S TEEL M ESH ....................................................................................................9 CHAPER 5 PRODUCT PACKAGE............................................................................................................11 5.1P ACKAGING M ETHOD .......................................................................................................................11 5.2 STRIPSIZE............................................................................................................................................ 11 Ningbo Xiaojiang IoT Technology Co Ltd 宁波小匠物联网科技有限公司 4 Chapter1Overview XJ-B23serieslow-powerBluetoothmoduleisahigh-performanceBluetoothmoduledeveloped basedontelinklow-powerBluetoothSOCtlsr8250chip.Themoduleadoptsstamptypeandside plug-ininterface,whichisexquisite,compact,fullportledoutandeasytouse.Ithelpsusersbypass thecumbersomerfhardwaredesign,developmentandproduction.Userscaneasilyrealizethe developmentofBluetoothapplicationsonthisbasis,ShortentheR&Dcycleandhelpyouseizethe marketopportunity. Table1-1ModelDescription ModelDescription XJ-B23 PCBantenna,notincludesoftware.Ifitisaproductwithsoftware, pleasecommunicatethespecificmodelandMPQwiththesales department 1.1ModuleFunctionCharacteristics OperationVoltage：1.8to3.6V OperationFreq：2400MHzto2483.5MHz TXPower：Max10dBm（@3.3V）  RxSensitivity：-95dBm（@1Mbps） 1.2Applicationoccasion  Smartphoneandtabletperipheralproducts Wirelesssensornetworkssuchasdatacollection  WirelesswearableBluetoothdevice Smarthome,Smartcity Ningbo Xiaojiang IoT Technology Co Ltd 宁波小匠物联网科技有限公司 5 Chapter 2 Specifications Table 2-1Absolute Maximum Ratings Table 2-2General Characteristics@Ta=25°C，VDD=3.3V Parameter Characteristics Remarks MINTYPMAX Operating Voltage（V）1.83.33.6 Operating Temperaturt （°C） -40/85 Freq (MHz)2400/2483.5 Channels/40/ Power Tx Current(mA) /6.3/@0dBm /18/@10dBm Rx Current(mA) /6/ Sleep current (uA) /0.4/ TX(dBm)/10/ RX(dBm)/-95/BLE @1Mbps，PER≤30.8%@1500packets ProtocolBLE 5.0 Interface Type3 sides stamp hole Communication Distance 1 150mPrivate agreement,Free environment 1."Communication distance" is affected by the surrounding environment, air humidity and other factors. The distance is measured through the communication between the mobile phone and the module for reference only. Unit MINMAX Supply Voltage(VDD)-0.33.6V Supply Voltage(IO)-0.3VDD+0.3V Storage Temperature（°C）-40150°C Ningbo Xiaojiang IoT Technology Co Ltd 宁波小匠物联网科技有限公司 6 Chapter3HardwareLayoutand InterfaceDescription 3.1OverallDimensionDrawing XJ-B23Modulephysicaldrawingisshowninthefigure3-1： Fig.3-1XJ-B23ModulePicture XJ-B23ModulephysicalDimensionsareshowninthefigure3-2 ： Fig.3-2XJ-B23 A.Alllineardimensionsareinmillimeters. B.DimensioningandtolerancingperGB/T1804-m 3.2PinDiagram Ningbo Xiaojiang IoT Technology Co Ltd 宁波小匠物联网科技有限公司 7 Fig.3-3Package24-PinSMD Table3-1XJ-B23PinDescription Module Pin IC Pin NameFuctionRemarks 1/ANTExternalAntennaInterface 20GNDGNDAllGNDshuldbeconnected 30GNDGNDAllGNDshuldbeconnected 431PWM3/PD2GeneralIO/PWM 532PWM1_N/PD3GeneralIO/PWM 61PWM2_N/PD4GeneralIO/PWM 72PD7GeneralIO 83UART_RX/PA0GeneralIO/UARTRX 94PA1GeneralIO 105SWS/PA7Debug/GeneralIO 116UART_TX/PB1GeneralIO/UARTTX 1214PWM4/PB4GeneralIO/PWM 1315PWM5/PB5GeneralIO/PWM 1418VCCPower 150GNDGNDAllGNDshuldbeconnected 1616ADC/PB6GeneralIO/ADC 1717ADC/PB7GeneralIO 1820PWM4_N/PC0GeneralIO/PWM 1921PWM_1/PC1GeneralIO/PWM 2022PWM0/PC2GeneralIO/PWM 2123PWM1/PC3GeneralIO/PWM 2224PWM2/PC4GeneralIO/PWM 2325RSTResetActivelow 240GNDGNDAllGNDshuldbeconnected Ningbo Xiaojiang IoT Technology Co Ltd 宁波小匠物联网科技有限公司 8 3.3TypicalCircuit Fig.3-4TypicalCircuit(PCBantenna) Fig.3-5TypicalCircuit(Externalantenna) Chapter4ProductionGuidance 4.1ProductionGuide Itissuggestedthestampholepackagingm…

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Company: Ningbo Xiaojiang IoT Technology Co Ltd Address:Room 2302-2303,Jiayin Building,No.455,Keji Road,Yinzhou District,Ningbo China Tel: 057483067056 Fax: 057483067056 E-mail: [email protected] QA-FR-170-B 7/29/2014 FCC Authorization Date: 2022-12-10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We Ningbo Xiaojiang IoT Technology Co Ltd , the undersigned, hereby authorizes Shenzhen Accurate Technology Co., Ltd. to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Shenzhen Accurate Technology Co., Ltd. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Printed Name: Jizong chen Title: Manager

Company: Ningbo Xiaojiang IoT Technology Co Ltd Address:Room 2302-2303,Jiayin Building,No.455,Keji Road,Yinzhou District,Ningbo China Tel: 057483067056 Fax: 057483067056 E-mail: [email protected] FCC Confidential Authorization Date: 2022-12-10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AXSO-XJ-B23 In accordance with Sections 0.457 and 0.459 of the Ningbo Xiaojiang IoT Technology Co Ltd hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Printed Name: Jizong chen Title: Manager

Company: Ningbo Xiaojiang IoT Technology Co Ltd Address:Room 2302-2303,Jiayin Building,No.455,Keji Road,Yinzhou District,Ningbo China Tel: 057483067056 Fax: 057483067056 E-mail: [email protected] Modular Approval Letter Date: 2022-12-10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Application Examiner, We, Ningbo Xiaojiang IoT Technology Co Ltd is submitting this application for certification of product named as Bluetooth Module, Model Number: XJ-B23 (FCC ID: 2AXSO-XJ-B23). It is seeking modular approval. The radio meets the requirements for modular approval as detailed in FCC 15.212. Compliance to each of the requirements is described below: 1. “The modular transmitter must have its own RF shielding.” Yes, it is fulfilled. The radio portion of the module has its own RF shielding. The shielding is installed at the factory. Please see the EUT photos. 2. “The modular transmitter must have buffered modulation/data inputs.” Yes, it is fulfilled. The EUT has buffered data inputs to insure compliance with Part 15 requirements under conditions of excessive data rates or over modulation. Please see the Schematics exhibit. 3. “The modular transmitter must have its own power supply regulation.” Yes, it is fulfilled. The EUT has its own power supply regulation to insure compliance. 4. “The modular transmitter must comply with the antenna requirements of Section 15.203 and 15.204(c).” Yes. The EUT has PCB antenna design. 5. “The modular transmitter must be tested in a stand-alone configuration.” Yes, it is fulfilled. The EUT was tested in a stand-alone configuration. 6. “The modular transmitter must be labeled with its own FCC ID number.” Yes, it is fulfilled. The module will be labeled with its own FCC ID number. Please see FCC ID label & location exhibit. 7. “The modular transmitter must comply with any specific rule or operating requirements applicable to the transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements.” Yes, it is fulfilled. The necessary explanation to be complied with this requirement is contained in the user manual, and please refer to the User manual. 8. “The modular transmitter must comply with any applicable RF exposure requirements.” Yes, the module is intended to use in distance more that 20cm. FCC RF exposure requirement satisfied with 47CFR §2.1091. Please contact me if you have additional questions. Your attention to this matter is greatly appreciated. Sincerely Yours, Signature: Printed Name: Jizong chen Title: Manager

Shenzhen Accurate Technology Co., Ltd. Project No.: RA221115-54071E-RF External Photos Page 1 of 1 External Photos

Shenzhen Accurate Technology Co., Ltd. Project No.: RA221115-54071E-RF LABEL AND LOCATION Page 1 of 1 FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Shenzhen Accurate Technology Co., Ltd. Project No.: RA221115-54071E-RF Internal Photos Page 1 of 1 Internal photos ANT

Shenzhen Accurate Technology Co., Ltd. Report No.: RA221115-54071E-RF-00 Version 12: 2021-11-09 Page 11 of 37 FCC- BLE FCC §15.247(i)&§1.1307 (b) (3) & §2.1091- RF Exposure Applicable Standard According to subpart 15.247 (i) and subpart 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. According to KDB 447498 D04 Interim General RF Exposure Guidance MPE-Based Exemption: General frequency and separation-distance dependent MPE-based effective radiated power(ERP) thresholds are in Table B.1 [Table 1 of § 1.1307(b)(1)(i)(C)] to support an exemptionfrom further evaluation from 300 kHz through 100 GHz. Ris the minimum separation distance in meters f = frequency in MHz Result Mode Frequency (MHz) Tune up conducted power Antenna Gain ERP Evaluation Distance (m) ERP Limit (W) (dBm) (dBi)(dBd)(dBm)(W) BLE 2402-2480 10.0 -3.3 -5.45 4.55 0.0030.2 0.768 Note: 1. The tune up conducted power and antenna gain was declared by the applicant. 2. 0dBd=2.15dBi To maintain compliance with the FCC’s RF exposure guidelines, place the equipment at least 20cm from nearby persons. Result: Compliant.

Note: This report may contain data t ★ hat are not covered by the A2LA accreditation and are marked with an asterisk “ ”. Shenzhen Accurate Technology Co., Ltd. is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. Shenzhen Accurate Technology Co., Ltd. 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: +86 755-26503290 Fax: +86 755-26503396 Web: www.atc-lab.com Version 12: 2021-11-09 Page 1 of 37 FCC- BLE TEST REPORT Applicant Name : Ningbo Xiaojiang IoT Technology Co Ltd Address : Room 2302-2303, Jiayin Building, No.455, Keji Road, Yinzhou District, Ningbo China Report Number : RA221115-54071E-RF-00 FCC ID: 2AXSO-XJ-B23 Test Standard (s) FCC PART 15.247 Sample Description Product Type: Bluetooth Module Model No.: XJ-B23 Multiple Model(s) No.: N/A Trade Mark: N/A Date Received: 2022/11/15 Report Date: 2022/12/13 Test Result: Pass* * In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Andy Yu Candy Li EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: RA221115-54071E-RF-00 Version 12: 2021-11-09 Page 2 of 37 FCC- BLE TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 DUTY CYCLE ................................................................................................................................................................ 7 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 EXTERNAL I/O CABLE .................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 8 SUMMARY OF TEST RESULTS ............................................................................................................................... 9 TEST EQUIPMENT LIST ......................................................................................................................................... 10 FCC §15.247(I)&§1.1307 (B) (3) & §2.1091- RF EXPOSURE ................................................................................ 11 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 12 FCC §15.207 (A) – AC LINE CONDUCTED EMISSIONS .................................................................................... 13 APPLICABLE STANDARD ............................................................................................................................................ 13 EUT SETUP ................................................................................................................................................................ 13 EMI TEST RECEIVER SETUP ....................................................................................................................................... 13 TEST PROCEDURE ...................................................................................................................................................... 13 TRANSD FACTOR & MARGIN CALCULATION.............................................................................................................. 14 TEST DATA ................................................................................................................................................................ 14 FCC §15.209, §15.205 & §15.247(D) - SPURIOUS EMISSIONS ..................................................................…

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NOTE:ThisdocumentisissuedbyShenzhenMorlabCommunicationsTechnologyCo.,Ltd.,thetestreportshallnotbereproducedexceptin fullwithoutpriorwrittenpermissionofthecompany.Thetestresultsapplyonlytotheparticularsample(s)testedandtothespecifictestscarried outwhichisavailableonrequestforvalidationandinformationconfirmedatourwebsite. MORLAB ShenzhenMorlabCommunicationsTechnologyCo.,Ltd.,FL1-3,BuildingA, FeiYangSciencePark,No.8LongChangRoad,Block67,BaoAnDistrict, ShenZhen,GuangDongProvince,P.R.China Tel:86-755-36698555Fax:86-755-36698525 Http://www.morlab.cnE-mail:[email protected] Page1of 12 REPORTNo.：SZ22110068E02 TESTREPORT APPLICANT:ZhejiangLierdaInternetofThingsTechnologyCo.,Ltd PRODUCTNAME:T55BLEModule MODELNAME:LSD4BT-T55ASTD001 TRADENAME:Lierda BRANDNAME:N/A STANDARD(S):IEEEStd149-2021 RECEIPTDATE:2022-11-07 TESTDATE:2022-11-07 ISSUEDATE:2022-11-09 Editedby: FangJinshan(Rapporteur) Approvedby: ChiShide(Supervisor) MORLAB ShenzhenMorlabCommunicationsTechnologyCo.,Ltd.FL1-3,BuildingA, FeiYangSciencePark,No.8LongChangRoad,Block67,BaoAnDistrict, ShenZhen,GuangDongProvince,P.R.China Tel:86-755-36698555Fax:86-755-36698525 Http://www.morlab.cnE-mail:[email protected] Page2of12 REPORTNo.：SZ22110068E02 DIRECTORY 1.TechnicalInformation ........................................................................................................3 1.1.ApplicantandManufacturerInformation ....................................................................3 1.2.EquipmentUnderTest(EUT)Description...................................................................3 2.TestResults........................................................................................................................4 2.1.AppliedReferenceDocuments.....................................................................................4 2.2.TestConditions...............................................................................................................4 2.3.MeasurementUncertainty.............................................................................................4 2.4.TestResultslists.............................................................................................................5 AnnexAPhotographs...........................................................................................................6 AnnexBFigures .....................................................................................................................7 1.2DRadiationPattern .........................................................................................................7 2.3DRadiationPattern .........................................................................................................8 AnnexCPhotographs .........................................................................................................10 AnnexDGeneralInformation .............................................................................................12 1.1IdentificationoftheResponsibleTestingLaboratory..............................................12 1.2IdentificationoftheResponsibleTestingLocation..................................................12 1.3TestEquipmentsUtilized..............................................................................................12 ChangeHistory VersionDateReasonforchange 1.02022-11-09Firstedition MORLAB ShenzhenMorlabCommunicationsTechnologyCo.,Ltd.FL1-3,BuildingA, FeiYangSciencePark,No.8LongChangRoad,Block67,BaoAnDistrict, ShenZhen,GuangDongProvince,P.R.China Tel:86-755-36698555Fax:86-755-36698525 Http://www.morlab.cnE-mail:[email protected] Page3of12 REPORTNo.：SZ22110068E02 1.TechnicalInformation Note:Providebymanufacturer. 1.1.ApplicantandManufacturerInformation Applicant: ZhejiangLierdaInternetofThingsTechnologyCo.,Ltd ApplicantAddress: Room1402,building1,No.1326,WenyiWestRoad,Cangqian street,YuhangDistrict,Hangzhou,Zhejiang Manufacturer:ZhejiangLierdaInternetofThingsTechnologyCo.,Ltd ManufacturerAddress:Room1402,building1,No.1326,WenyiWestRoad,Cangqian street,YuhangDistrict,Hangzhou,Zhejiang 1.2.EquipmentUnderTest(EUT)Description WirelessTypeBluetooth FrequencyN/A IMEIN/A SampleNo.2# MORLAB ShenzhenMorlabCommunicationsTechnologyCo.,Ltd.FL1-3,BuildingA, FeiYangSciencePark,No.8LongChangRoad,Block67,BaoAnDistrict, ShenZhen,GuangDongProvince,P.R.China Tel:86-755-36698555Fax:86-755-36698525 Http://www.morlab.cnE-mail:[email protected] Page4of12 REPORTNo.：SZ22110068E02 2.TestResults 2.1.AppliedReferenceDocuments Leadingreferencedocumentsfortesting: No.IdentityDocumentTitle 1 IEEEStd149-2021 IEEERecommendedPracticeforAntenna Measurements 2.2.TestConditions TestEnvironmentConditions ： RelativeHumidity:25...75% Temperature:+10°Cto+30°C 2.3.MeasurementUncertainty Theuncertaintyiscalculatedusingthemethodssuggestedinthe"GuidetotheExpressionof UncertaintyinMeasurement"(GUM)publishedbyISO.Whenthetestresultisacriticalvalue,we willusethemeasurementuncertaintygivethejudgmentresultbasedonthe95%Confidence intervals. ItemMeasurementUncertainty(dB) Gain±0.5 VSWR±0.2 MeasurementUncertainty(95%ConfidenceInterval)K=2 MORLAB ShenzhenMorlabCommunicationsTechnologyCo.,Ltd.FL1-3,BuildingA, FeiYangSciencePark,No.8LongChangRoad,Block67,BaoAnDistrict, ShenZhen,GuangDongProvince,P.R.China Tel:86-755-36698555Fax:86-755-36698525 Http://www.morlab.cnE-mail:[email protected] Page5of12 REPORTNo.：SZ22110068E02 2.4.TestResultslists 2.4.1.GainandEfficiency Frequency(MHz)Efficiency(%)Gain(dBi) 240012.03-3.30 241011.94-3.42 242010.97-3.78 243010.73-3.90 244010.48-3.94 245010.07-4.16 24609.91-4.12 24708.97-4.65 24808.51-4.89 24907.95-5.22 25007.73-5.31 MORLAB ShenzhenMorlabCommunicationsTechnologyCo.,Ltd.FL1-3,BuildingA, FeiYangSciencePark,No.8LongChangRoad,Block67,BaoAnDistrict, ShenZhen,GuangDongProvince,P.R.China Tel:86-755-36698555Fax:86-755-36698525 Http://www.morlab.cnE-mail:[email protected] Page6of12 REPORTNo.：SZ22110068E02 AnnexAPhotographs 1.TestSetup MORLAB ShenzhenMorlabCommunicationsTechnologyCo.,Ltd.FL1-3,BuildingA, FeiYa…

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Shenzhen Accurate Technology Co., Ltd. Project No.: RA221115-54071E-RF Test Photos Page 1 of 2 Photo of Conducted Emission Measurement Shenzhen Accurate Technology Co., Ltd. Project No.: RA221115-54071E-RF Test Photos Page 2 of 2 Photo of Radiated Emission Measurement (Below 1G) Photo of Radiated Emission Measurement (Above 1G)