2AXDJ-EW-BLED-26Bluetooth Module

Jiaxing Tech-leading information technology Co., Ltd. EW -BLED-26 Bluetooth module V1.0 20201208 1 Jiaxing Tech-leading information technology Co., Ltd. Rev. Information management About this Manual << EW‐BLED‐26 Module Specifications>> provides an introduction to the basic functions of the EW‐BLED‐26 module, including its electrical specifications, RADIO frequency performance, pin size, and reference schematic design.Readers can refer to this document for a detailed understanding of the overall functional parameters of the module. Revision history 2 Rev No. Date Update history Editor V1.0 2020.12.08 Initial release Jon Jiaxing Tech-leading information technology Co., Ltd. Contents About this manual......................................................................................................2 Revision history...........................................................................................................2 Contents.......................................................................................................................3 1.Profile...............................................................................................................................4 1.1 Features...............................................................................................................4 1.2 Application scope.................................................................................................5 2.Electrical specification................................................................................................... 6 3.Pins explanation..............................................................................................................7 3.1 Pins layout.............................................................................................................8 3.2 Pins definition.......................................................................................................8 4.Design reference..............................................................................................................9 4.1 Reference schematic...............................................................................................9 4.2 Module dimension....................................................................................... .........10 4.3 Attention................................................................................................................11 4.4 Reference PCB package........................................................................................12 5.Reflow parameter recommendation................................................................................13 3 Jiaxing Tech-leading information technology Co., Ltd. 1.Profile 1.1 Features EW‐BLED ‐26 is a small and low‐cost BT and BLE 5.0 dual‐mode Bluetooth module developed by Jiangsu Tech‐leading Co., Ltd. The features of this module are as follows： protocol Built‐in high performance RISC 32‐bit CPU, 160MHz main frequency, 512KB Flash, 128KB RAM Meet Bluetooth 5.0 standard, support 1 Mbps, 500 Kbps,125 Kbps rate Transmitting power: BLE:4.82dBm; BR(GFSK):0.24dBm; EDR(π/4-DQPSK):1.02dBm . Receiving sensitivity: The receiving sensitivity reaches ‐94dBm in 125Kbps mode Support USB, UART, ADC, SPI, PWM and other interfaces Support FTMS protocol, can be customized according to the customer communication Support true random number generator Sup port BT classic Bluetooth and BLE data Bluetooth dual ‐ mode operation On‐board high performance PCB antenna Stamp hole pin, easy and reliable welding Ultra‐small package： 11.2x16mm Ultra‐wide supply voltage：2.2V-5.5V Working temperature：-20°C ~ + 70°C 4 Jiaxing Tech-leading information technology Co., Ltd. The EW‐BLED‐26 module needs to connect the four lines of VCC,GND,TX and RX to complete the data transmission and communication function, and can customize the specific communication protocol and customization function under the specific application environment according to the needs of customers.After the module is configured, you can use relevant hand software to test the communication data function.Users can conduct Bluetooth connection and communication test through the commonly used mobile Bluetooth communication test tool. BT audio transmission can be directly connected to the two channels of DAC R and L of the test module through the mobile Bluetooth for audio signal output. Tech‐leading company has been engaged in the field of Bluetooth for many years, and has strong research and development strength. It can easily realize the interconnection, data transmission and other various applications of users' Bluetooth devices.Our company can customize and design the Bluetooth module according to customers' requirements based on the EW‐BLED ‐26 dual mode Bluetooth module and provide corresponding software and hardware support. 1.2 Application Scope IoT devices; Fitness equipment: treadmill, rhythm machine, etc 5 Jiaxing Tech-leading information technology Co., Ltd.  Absolute Maximum Ratings Attention : Recommended Operating Conditions Power Consumption 2.Electrical specifications The electrical characteristics listed are target specifications for reference only.Some of the data may be updated based on actual test results The voltage values shown are based on GND in the module.Any voltage exceeding the "maximum rating" may cause permanent damage to the equipment 5 5 Operation Mode Average Maximum Unit TX peek current(0 dB)16 mA RX peek current30 mA Deep sleep current(include 128K retention RAM) 300 μ A Power off 10 μ A Rating Min Max Unit Supply Voltage VCC 2.2 5.5 V I/O Voltage ALDO_OUT 2.2 3.6 V Storage Temperature Tstr ‐20 70 º C Item Symbol Min Type. Max Unit Supply Voltage VCC 2.2 3.3 5.5 V I/O Voltage ALDO_OUT2.2 3.3 3.6 V Operating Temperature Topr ‐20 ‐ 70 º C Jiaxing Tech-leading information technology Co., Ltd.  Audio CODEC 6 Digital to Analogue Converter(Mono) PARAMETER CONDITIONSMINTYPMAX UNIT Resolution ‐ ‐‐2…

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Company: Jiangsu Tech-leading information technology Co.,Ltd. Add: Room 1606, Zhaofeng Plaza, 99 Hua'an Road, Huaqiao Town, Kunshan City, Jian gsu Province, China Tel: 13396831326 Fax: 13396831326 FCC Authorization Date: 20 20-12-16 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Au thorization To wh om it may concern: We, Jiangsu Tech-leading information technology Co.,Ltd., the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corporation 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 Bay Area Compliance Laboratories Corp. 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: Jing Liu Title: Engine er QA-FR-170-B

Company: Jiangsu Tech-leading information technology Co.,Ltd. Add: Room 1606, Zhaofeng Plaza, 99 Hua'an Road, Huaqiao Town, Kunshan City, Jiangsu Province, China Tel: 13396831326 Fax: 1339683 1326 E-mail: [email protected] FCC Confidential Authorization Date: 2020-12 -16 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 74 35 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AXDJ-EW-BLED-2 6 To: whom it may concern, In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Jiangsu Tech-leading information 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: Jing Liu Title: Engineer

Applicant Jiangsu Tech-leading information technology Co.,Ltd. FCC ID: 2AXDJ-EW-BLED-26 Section 15.212 Modular Transmitters Request for Modular Approval  Request for Limited Modular Approval   RequirementsEUT ConditionsComply(Y/N) Single Modular Approval Requirements 1 The radio elements of the modular transmitter must have their own shielding. The physical crystal and tuning capacitors may be located external to the shielded radio elements. Refer to external photos. This module does have shield cover. Y 2 The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with part 15 requirements under conditions of excessive data rates or over‐modulation. All inputs to the modules are buffered through logic or microprocessor inputs. Refer to Schematics. Y 3 The modular transmitter must have its own power supply regulation. The Module uses the chip BP03994-26A4 with built-in power management components, the module rated power is 3.3V power, Refer to schematics. Y 4 The modular transmitter must comply with the antenna and transmission system requirements of §§15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a “unique” antenna coupler (at all connections between the module and the antenna, including the cable). The “professional installation” provision of §15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. The modular transmitter has a PCB antenna arrangement for Bluetooth/BLE, Refer to internal photo. Y Company: Jiangsu Tech-leading information technology Co.,Ltd. Add: Room 1606, Zhao feng Plaza, 99 Hua'an Road, Huaqiao Town, Kunshan City, Jiangsu Province, China Tel: 13396831326 Fax: 13396831326 E-mail: [email protected] 5 The modular transmitter must be tested in a stand‐alone configuration, i.e., the module must not be inside another device during testing for compliance with part 15 requirements. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in §15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see §15.27(a)). The length of these lines shall be the length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connect ed to the module during testing shall be unmodified and commercially available (see §15.31(i)). The modular transmitter is connected to the controlled board when testing. Please refer to setup photo. Y 6 If using a permanently affixed label, the modular transmitter must be la beled with its own FCC identification number, and, if the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must a lso display a label referring to the enclosed module. This exterior label can use wording such as the following:“ContainsTransmitter Module FCC I D: 2AXDJ-EW-BLED-26” Any similar wording that expresses the same meaning may be used. The Grantee ma y either provide such a label, an example of which must be included Refer to the label. Y in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. 7 The modular transmitter must comply with any specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. Refer to manual Y 8 The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. The EUT comply with any a pplicable RF exposure requirements in its final configuration. Y Sincerely Yours, Sig nature: Typed or Printed Nam e: Jing Liu Title: Engineer

EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS Antenna

MODEL:EW-BLED-26 FCC ID: 2AXDJ-EW-BLED-26 MADE IN CHINA 10mm 10mm

EXHIBIT B - EUT INTERNAL PHOTOGRAPHS

FCC PART 15.247 TEST REPORT For Jiangsu Tech-leading information technology Co., Ltd. Room 1606, Zhaofeng Plaza, 99 Hua'an Road Huaqiao Town, Kunshan City, Jiangsu Province, China FCC ID: 2AXDJ-EW-BLED-26 Report Type: Original Report Product Name: Bluetooth Module Project Engineer: Tyrone Wang Re port Number: RSHE201216001-00A Re port Date: 2020-12-31 Reviewed By: Oscar Ye EMC Manager Prepared By: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road,Kunshan,Jiangsu province,China Tel: +86-0512-86175000 Fax: +86-0512-88934268 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHE201216001-00A FCC Part 15.247 Page 2 of 41 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 7 EXTERNAL I/O CABLE .................................................................................................................................................. 7 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 8 SUMMARY OF TEST RESULTS ............................................................................................................................. 10 TEST EQUIPMENT LIST ......................................................................................................................................... 11 FCC §1.1310 & §2.1093 - RF EXPOSURE ................................................................................................................. 12 MEASUREMENT RESULT ............................................................................................................................................ 12 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 13 APPLICABLE STANDARD ............................................................................................................................................ 13 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 13 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 14 APPLICABLE STANDARD ............................................................................................................................................ 14 EUT SETUP ................................................................................................................................................................ 14 EMI TEST RECEIVER SETUP ....................................................................................................................................... 14 TEST PROCEDURE ...................................................................................................................................................... 15 CORRECTED FACTOR & OVER LIMIT CALCULATION .................................................................................................. 15 TEST RESULTS SUMMARY .......................................................................................................................................... 15 TEST DATA ................................................................................................................................................................ 15 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS ............................................................................. 18 APPLICABLE STANDARD ............................................................................................................................................ 18 EUT SETUP ................................................................................................................................................................ 18 EMI TEST RECEIVER SETUP ....................................................................................................................................... 19 TEST PROCEDURE .....................................…

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EXHIBIT C - TEST SETUP PHOTOGRAPHS Conducted Emissions (Front View) Conducted Emissions (Side View) Radiated Emissions (Below 1GHz) Radiated Emissions (Above 1GHz)