2ACCRMW24AIOT Module

Copyright© 2022 Ehong Information Technology Co. Ltd. All rights reserved. EH-MW24 Datasheet V0.1 2 (31) Documentation Title Documentation No Revision Classification Status Date EH-MW24 Datasheet V0.1 Public Preliminary Apr 15, 2022 Table of Contents 1 Product Overview ....................................................................................................... 4 2 Hardware Specification ................................................................................................ 5 2.1 Block Diagram .................................................................................................................5 2.1.1 Internal PA Design Block Diagram ................................................................................................. 5 2.1.2 External PA Design Block Diagram ............................................................................................... 6 2.2 Pinout Description ..........................................................................................................6 2.2.1 Pin Map .............................................................................................................................................. 6 2.2.2 Pin Definition ..................................................................................................................................... 7 2.2.3 IO Pin Mux Table .............................................................................................................................. 9 2.3 Peripheral Interfaces ..................................................................................................... 10 2.4 Bootstrap Signals ......................................................................................................... 10 2.4.1 Bootstrap Mode ............................................................................................................................... 10 2.4.2 JTAG Mode ...................................................................................................................................... 10 2.4.3 XTAL Mode ...................................................................................................................................... 10 2.4.4 32.768KHz Sleep Clock Mode ...................................................................................................... 11 3 Electrical Characteristics ........................................................................................ 12 3.1 Absolute Maximum Ratings ......................................................................................... 12 3.2 Recommended Operating Conditions ........................................................................ 12 3.3 DC Electrical Characteristics ....................................................................................... 12 4 Radio Performance ................................................................................................... 13 4.1 BLE Radio Characteristics ........................................................................................... 13 4.2 802.15.4 Radio Characteristics .................................................................................... 13 5 Mechanical Specification ........................................................................................ 14 5.1 Dimensional View .......................................................................................................... 14 5.2 Pad Dimension .............................................................................................................. 14 6 Development Kit ....................................................................................................... 16 6.1 Overview......................................................................................................................... 16 6.1.1 Hostless Mode................................................................................................................................. 16 6.1.2 Hosted Mode ................................................................................................................................... 16 6.2 Hostless Development Kit ............................................................................................ 18 6.2.1 Hardware Configuration ................................................................................................................. 18 6.2.2 Block Diagram ................................................................................................................................. 20 6.2. 3 Dimension ........................................................................................................................................ 21 3 (31) Documentation Title Documentation No Revision Classification Status Date EH-MW24 Datasheet V0.1 Public Preliminary Apr 15, 2022 6.3 Hosted Development Kit (Pmod Adapter) .................................................................. 22 6.3.1 Hardware Configuration ................................................................................................................. 22 6.3.2 Block Diagram ................................................................................................................................. 24 6.3.3 Dimension ........................................................................................................................................ 24 6.4 Hosted Development Kit (Android Shield) ................................................................. 24 7 Manufacturing Recommendation ........................................................................... 25 7.1 Power Layout Guideline ............................................................................................... 25 7.2 RF Layout Guideline ..................................................................................................... 25 7.3 Soldering Recommendations .......................................…

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C5266091_X8_Ed.1 1/1 ShangHai Ehong Technology Co.,Ltd. Letter of Authorization Company: ShangHai Ehong Technology Co.,Ltd. Address: Room 501, No.485 Xingmei Road, Minhang district,Shanghai, China Product Name: AIOT Module Model Number: EH-MW24 FCC Identifier: 2ACCRMW24 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Rik Tang Date: 2022-08-30 Title: CEO Signature of applicant:

C5266091_X10_Ed.2 1/1 ShangHai Ehong Technology Co.,Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2022-08-30 Subject: Request for Confidentiality FCC ID: 2ACCRMW24 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Rik Tang ☐

C5266091_X9_Ed.2 1/1 ShangHai Ehong Technology Co.,Ltd. Modular Transmitter Approval Request Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Company name: ShangHai Ehong Technology Co.,Ltd. FCC ID: 2ACCRMW24 Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Certification Guide v02’. FCC ID: 2ACCRMW24 has been examined against the following requirements. Items to be covered by Single modular transmitters. Requirement per 15.212 and KDB 996369 D01 ‘Modular Certification Guide v02 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved) 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 The module has its own RF shielding. 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 The modular has buffered data inputs, it is integrated in chip 3. The module must contain power supply regulation on the module The modular has 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 Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) Antenna is independent fixed 5. The module must demonstrate compliance in a stand- alone configuration All power lines derived from the host device are regulated before energizing other circuits internal 6. The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) The label is independent fixed 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 Compliant with all applicable FCC rules. Detail instructions are given in the User’s Manual 8. The module must comply with RF exposure requirements Approved to comply with the applicable RF exposure requirement, please see the MPE evaluation Name: Rik Tang Date: 2022-08-30 Title: CEO Signature of applicant:

Document No: SHC21030678-01 Page 1 of 1 EH-MW24 External photo Front Back

Document No: SHE22070069 Page 1 of 1 Label Location

Document No: SHE22070069 Page 1 of 1 EH-MW24 Internal photo Internal Antenna

RF EVALUATION REPORT Report No.: SHE22070069-02CE Date: 2022-08-31 Page 1 of 5 Applicant : ShangHai Ehong Technology Co.,Ltd. Address of Applicant : Room 501, No.485 Xingmei Road, Minhang district,Shanghai, China Product Name : AIOT Module Model No. : EH-MW24 Brand Name : Ehong Sample No. : E22070069-01#12 E22070069-01#01 FCC ID : 2ACCRMW24 Standards : FCC Part 2.1093 Date of Receipt : 2022-07-26 Date of Test : 2022-08-05~ 2022-08-30 Date of Issue : 2022-08-31 Remark: This report details the results of the testing carried out on one sample, the results contained in this report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. Prepared by： Reviewed by： Approved by： (Erik Yang) (Jennifer Zhou) (Authorized signatory: Guoyou Chi) RF EVALUATION REPORT Report No.: SHE22070069-02CE Date: 2022-08-31 Page 2 of 5 Contents 1 GENERAL INFORMATION ................................................................................................................................................... 3 1.1 TESTING LABORATORY ............................................................................................................................................................... 3 1.2 ENVIRONMENTAL CONDITIONS ................................................................................................................................................... 3 1.3 DETAILS OF APPLICATION .......................................................................................................................................................... 3 1.4 DETAILS OF EUT ........................................................................................................................................................................ 3 2 ASSESSMENT METHODS .................................................................................................................................................... 4 3 CALCULATION ....................................................................................................................................................................... 4 4 CONCLUSION ......................................................................................................................................................................... 4 5 APPENDIXES .......................................................................................................................................................................... 5 5.1 SAMPLE PHOTOGRAPH............................................................................................................................................................... 5 RF EVALUATION REPORT Report No.: SHE22070069-02CE Date: 2022-08-31 Page 3 of 5 1 General Information 1.1 Testing Laboratory Company Name ICAS Testing Technology Services (Shanghai) Co., Ltd. Address No.1298, Pingan Road, Minhang District, Shanghai, China Telephone 0086 21-51682999 Fax 0086 21-54711112 Homepage www.icasiso.com 1.2 Environmental conditions Temperature (C) 18-25 Humidity (%RH) 40-65 Barometric Pressure (mbar) 960-1060 Ambient noise & Reflection（W/kg） < 0.012 1.3 Details of Application Applicant Company Name ShangHai Ehong Technology Co.,Ltd. Address Room 501, No.485 Xingmei Road, Minhang district,Shanghai, China Contact Person Rik Tang Telephone 02164769993 Email [email protected] Manufacturer Company Name ShangHai Ehong Technology Co.,Ltd. Address Room 501, No.485 Xingmei Road, Minhang district,Shanghai, China Factory Company Name ShangHai Ehong Technology Co.,Ltd. Address Room 501, No.485 Xingmei Road, Minhang district,Shanghai, China 1.4 Details of EUT Product Name AIOT Module Brand Name Ehong Test Model No. EH-MW24 FCC ID 2ACCRMW24 Frequency Range BLE: 2402MHz-2480MHz Zigbee: 2405MHz-2480MHz Modulation Type GFSK, O-QPSK Antenna Type PCB Antenna Antenna Gain 0.54dBi Hardware version EH-MW24-V1.1 RF EVALUATION REPORT Report No.: SHE22070069-02CE Date: 2022-08-31 Page 4 of 5 Software version EH-MW24-C000-V1.0 2 Assessment methods According to 447498 D01 General RF Exposure Guidance v06 The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR. Where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation 3 Calculation BLE mode: Pt=1.13dBm=1.30mW The value of the Maximum output power Pt is referred to the test report of the SHE22070069-02AE FCC Part 15C BLE Test Report. The result for RF exposure evaluation =(1.30mW/5mm) .[√2.402(GHz)]= 0.402958 <3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR. Zigbee mode: Pt=0.53dBm=1.13mW The value of the Maximum output power Pt is referred to the test report of the SHE22070069-02BE FCC Part 15C Zigbee Test Report. The result for RF exposure evaluation =(1.13mW/5mm) .[√2.480(GHz)]= 0.355905 <3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR. Remark: The device can not transmit with BLE and Zigbee simultaneously. 4 Conclusion The SAR evaluation is not required. RF EVALUATION REPORT Report No.: SHE22070069-02CE Date: 2022-08-31 Page 5 of 5 5 Appendixes 5.1 Sample Photograph Front of the sample Rear of the sample ***End of the report***

TEST REPORT Report No.: SHE22070069-02BE Date: 2022-08-31 Page 1 of 49 Applicant : ShangHai Ehong Technology Co.,Ltd. Address of Applicant : Room 501, No.485 Xingmei Road, Minhang district,Shanghai, China Product Name : AIOT Module Model No. : EH-MW24 Brand Name : Ehong Sample No. FCC ID : : E22070069-01#12 E22070069-01#01 2ACCRMW24 Standards : FCC CFR47 Part 15, Subpart C Date of Receipt : 2022-07-26 Date of Test : 2022-08-05~ 2022-08-30 Date of Issue : 2022-08-31 Remark: This report details the results of the testing carried out on one sample, the results contained in this report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. Prepared by： Reviewed by： Approved by： (Erik Yang) (Jennifer Zhou) (Authorized signatory: Guoyou Chi) TEST REPORT Report No.: SHE22070069-02BE Date: 2022-08-31 Page 2 of 49 Contents 1 GENERAL INFORMATION ................................................................................................................................................... 3 1.1 TESTING LABORATORY ............................................................................................................................................................... 3 1.2 DETAILS OF APPLICATION .......................................................................................................................................................... 3 1.3 DETAILS OF EUT ........................................................................................................................................................................ 3 1.4 TEST METHODOLOGY ................................................................................................................................................................. 4 1.5 TEST SUMMARY .......................................................................................................................................................................... 5 2 TEST CONDITION .................................................................................................................................................................. 6 2.1 ENVIRONMENTAL CONDITIONS ................................................................................................................................................... 6 2.2 EQUIPMENT LIST ........................................................................................................................................................................ 6 2.3 MEASUREMENT UNCERTAINTY................................................................................................................................................... 6 3 TEST SET-UP AND OPERATION MODES ........................................................................................................................ 7 3.1 DETAILS OF TEST MODE ............................................................................................................................................................ 7 3.2 SPECIAL ACCESSORIES AND AUXILIARY EQUIPMENT ................................................................................................................ 7 3.3 SUPPORT SOFTWARE ................................................................................................................................................................. 7 3.4 TEST SETUP DIAGRAM ............................................................................................................................................................... 8 4 TEST RESULTS .................................................................................................................................................................... 10 4.1 TRANSMITTER REQUIREMENT & TEST SUITES ........................................................................................................................ 10 4.1.1 Antenna Requirement ..................................................................................................................................................... 10 4.1.2 Maximum peak conducted output power ...................................................................................................................... 11 4.1.3 6dB Bandwidth ................................................................................................................................................................. 14 4.1.4 Maximum conducted output power spectral density ................................................................................................... 17 4.1.5 Conducted Spurious Emission & Authorized-band band-edge ................................................................................. 20 4.1.6 Radiated Emission ........................................................................................................................................................... 27 4.1.7 Band Edge (Restricted-band band-edge) .................................................................................................................... 42 5 APPENDIXES ........................................................................................................................................................................ 45 5.1 PHOTOGRAPHS OF THE SAMPLE .............................................................................................................................................. 45 5.2 SET-UP FOR CONDUCTED RF TEST AT ANTENNA PORT ......................................................................................................... 48 5.3 SET-UP FOR SPURIOUS EMISSIONS BELOW 1GHZ.................................................................................................................. 49 5.4 SET-UP FOR SPURIOUS EMISSIONS ABOVE 1GHZ ..............................................................................…

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Ehong Inverted F Antenna Ver.1.0 EHong Technologies Confidential -1- EHong Inverted F Antenna Radiation Pattern Ver.1.0 Aug 18, 2012 Copyright © 2011-2012 EHong Technologies All rights reserved. EHong Technologies assumes no responsibility for any errors, which may appear in this document. Furthermore, EHong Technologies reserves the right to alter the hardware, software, and/or specifications detailed herein at any time without notice, and do not make any commitment to update the information contained herein. EHong Technologies’ products are not authorized for use as critical components in life support devices or systems. The Bluetooth trademark is owned by the Bluetooth SIG Inc., USA. All other trademarks listed herein are owned by their respective owners. Ehong Inverted F Antenna Ver.1.0 EHong Technologies Confidential -2- 1. Real Design Approximate Dimensions of Inverted F antenna mm Ehong Inverted F Antenna Ver.1.0 EHong Technologies Confidential -3- 2. Antenna Gain Type of antenna M e t a l Planar PCB Antenna Antenna polarization Level Frequency 2400-2500 MHz Antenna Gain 0.54 dBi Antenna attachment type Internal mounted Antenna manufacture EHong Technologies Inc. Test lab. of the antenna Shanghai SGS 3. Antenna Pattern Figure 1. Radiation pattern of H-plane at co-polarization. Figure 2. Radiation pattern of H-plane at cross-polarization Figure 3. Radiation pattern of E1-plane at co-polarization Figure 4. Radiation pattern of E1-plane at cross-polarization Figure 5. Radiation pattern of E2-plane at co-polarization Figure 6. Radiation pattern of E2-plane at cross-polarization Ehong Inverted F Antenna Ver.1.0 EHong Technologies Confidential -4- Figure1: Radiation pattern of H-plane at co-polarization. Ehong Inverted F Antenna Ver.1.0 EHong Technologies Confidential -5- Figure2: Radiation pattern of H-plane at cross-polarization Ehong Inverted F Antenna Ver.1.0 EHong Technologies Confidential -6- Figure3: Radiation pattern of E1-plane at co-polarization

TEST REPORT Report No.: SHE22070069-02AE Date: 2022-08-31 Page 1 of 73 Applicant : ShangHai Ehong Technology Co.,Ltd. Address of Applicant : Room 501, No.485 Xingmei Road, Minhang district,Shanghai, China Product Name : AIOT Module Model No. : EH-MW24 Brand Name : Ehong Sample No. FCC ID : : E22070069-01#12 E22070069-01#01 2ACCRMW24 Standards : FCC CFR47 Part 15, Subpart C Date of Receipt : 2022-07-26 Date of Test : 2022-08-05~ 2022-08-30 Date of Issue : 2022-08-31 Remark: This report details the results of the testing carried out on one sample, the results contained in this report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. Prepared by： Reviewed by： Approved by： (Erik Yang) (Jennifer Zhou) (Authorized signatory: Guoyou Chi) TEST REPORT Report No.: SHE22070069-02AE Date: 2022-08-31 Page 2 of 73 Contents 1 GENERAL INFORMATION ................................................................................................................................................... 3 1.1 TESTING LABORATORY ............................................................................................................................................................... 3 1.2 DETAILS OF APPLICATION .......................................................................................................................................................... 3 1.3 DETAILS OF EUT ........................................................................................................................................................................ 3 1.4 TEST METHODOLOGY ................................................................................................................................................................. 4 1.5 TEST SUMMARY .......................................................................................................................................................................... 5 2 TEST CONDITION .................................................................................................................................................................. 6 2.1 ENVIRONMENTAL CONDITIONS ................................................................................................................................................... 6 2.2 EQUIPMENT LIST ........................................................................................................................................................................ 6 2.3 MEASUREMENT UNCERTAINTY................................................................................................................................................... 6 3 TEST SET-UP AND OPERATION MODES ........................................................................................................................ 7 3.1 DETAILS OF TEST MODE ............................................................................................................................................................ 7 3.2 SPECIAL ACCESSORIES AND AUXILIARY EQUIPMENT ................................................................................................................ 7 3.3 SUPPORT SOFTWARE ................................................................................................................................................................. 7 3.4 TEST SETUP DIAGRAM ............................................................................................................................................................... 8 4 TEST RESULTS .................................................................................................................................................................... 10 4.1 TRANSMITTER REQUIREMENT & TEST SUITES ........................................................................................................................ 10 4.1.1 Antenna Requirement ..................................................................................................................................................... 10 4.1.2 Maximum peak conducted output power ...................................................................................................................... 11 4.1.3 6dB Bandwidth ................................................................................................................................................................. 15 4.1.4 Maximum conducted output power spectral density ................................................................................................... 19 4.1.5 Conducted Spurious Emission & Authorized-band band-edge ................................................................................. 23 4.1.6 Radiated Emission ..................................................................................................…

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