2AWE75KM312-DEVSN2DEVSN2

1 / 7 www.iclgend.com Confidential DEVSN2 User Guide 24G Smart mmwave sensing solution About this document: Scope and purpose This application note describes the key features of ICLegend’s DEVSN2 module equipped with the 24GHz transceiver chip S5KM312C and the MCU STM32F429 and helps the user to quickly get started with the demo board. 1. The application note describes the hardware configuration and specifications of sensor module in detail. 2. It also provides a guide to configure the hardware and implement simple radar application with the firmware/software developed. Intended audience This document serves as a primer for users who want to get started with hardware design for target position estimation using the Frequency Modulation Continuous Wave (FMCW) radar technique at 24GHz. The DEVSN2 from ICLegend is an easy-to-use module for the mmWave sensing device, with direct connectivity to the PC. Typical application: Gesture recognition Object detect and movement discrimination Distance/velocity/angle measurement Vital signs monitoring DEVSN2 Smart mmWave Sensor Series User Guide 2 / 7 www.iclgend.com Confidential Table of contents 1 key Feature ....................................................................................................................................................... 3 2 Hardware Description ....................................................................................................................................... 3 2.1 Specification ..................................................................................................................................... 3 2.2 Board picture .......................................................................................................................................... 4 2.3 Block Diagram ........................................................................................................................................ 4 2.4 Key component ...................................................................................................................................... 5 2.5 Interface function .................................................................................................................................... 5 2.6 Connector description ............................................................................................................................ 6 3 Version information ........................................................................................................................................... 7 3 / 7 www.iclgend.com Confidential 1 key Feature Detect and track position of multiple targets in outdoor environments Measure distance of multiple targets in a user-configurable range Detect motion, presence, speed and direction of movement (approaching or retreating) for human target Operational in different weather conditions Can be hidden in the end application as it detects through non-metallic materials Micro USB 5V power supply 24GHz K band highly integrated FMCW radar sensor SoC On board antenna with 6dBi gain 5-pin, 2.54mm interface for mcu SWIO firmware download One button and five LEDS for basic user interface 4-pin, 2.54mm interface for UART data communication 6-pin, 1.0mm connector to external uart panel display Small form factor: 4.5 x 3.3 cm 2 Hardware Description 2.1 Specification DEVSN2 module parameter below： Operation Frequency: 24GHz~24.25GHz Power supply: USB 5V Modulation Technique: FMCW Number of Channel: 1TX, 2RX Antenna Type PCB Antenna Antenna Gain 6 dBi Crystal: 25MHz Board dimension 4.5cm x 3.3cm Work current 300mA Angle +-40 degree DEVSN2 Smart mmWave Sensor Series User Guide 4 / 7 www.iclgend.com Confidential 2.2 Board picture Top Bottom 2.3 Block Diagram DEVSN2 Smart mmWave Sensor Series User Guide 5 / 7 www.iclgend.com Confidential 2.4 Key component Part number type description U1 TPS7A84A Power IC U4 TPS73616DBVT Power IC U2 S5KM312C mmwave sensor IC U3 STM32F4xxV2 MCU K1 button MCU reset key D1 Green-LED Power on light D6 Green-LED Working mode light D7 Green-LED Power on light D8 Green-LED Power on light D9 Green-LED Power on light D10 Green-LED Power on light 2.5 Interface function DEVSN2 Smart mmWave Sensor Series User Guide 6 / 7 www.iclgend.com Confidential Part number Description J1 USB interface to PC J2 Uart interface J3 SWIO download interface J4 Uart panel interface 2.6 Connector description Pin detail description J# PIN # Pin name Description J1PIN1 VCC_IN_5V J1PIN2 D- J1PIN3 D+ J1PIN4 OPEN J1PIN5 GND J1PIN6 GND J1PIN7 GND J1PIN8 GND J1PIN9 GND DEVSN2 Smart mmWave Sensor Series User Guide 7 / 7 www.iclgend.com Confidential J2PIN1 VCC_IN_5V J2PIN2 USART1_TX J2PIN3 USART1_RX J2PIN4 GND J3PIN1 VDD_ARM J3PIN2 ARM_SWDIO J3PIN3 ARM_SWCLK J3PIN4 NRST_ARM J3PIN5 GND J4PIN1 VCC_LCD J4PIN2 UART4_TX J4PIN3 UART4_RX J4PIN4 GND J4PIN5 GND J4PIN6 GND 3 Version information Version Date 说明 V1.00 2020/04/28 Please take attention that changes or modification not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation.

ICLegend Micro Elect 「 onics (Shanghai) Co., Ltd TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Date: 05/1512020 Regarding: 2AWE75 KM312-D EVSN2 To whom it may concern: We, the undersigned, hereby authorize Parlam Zhan to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the unde 「 signed , 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. 853(a) Where our agent signs the application for cert巾catio n on our behalf, I acknowledge that all respons灿ty for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with ICLegend Micro Electronics (Shanghai) Co., Ltd This authorization is valid until further written notice from the applicant Name (Printed): Allan Xiu Signatu 「 e 加 胚 穴 汛 On behalf of Company ICLegend Micro Electronics (Shanghai) Co., Ltd Telephone: +86-021-50599285 Title: System manager

ICLeg end Micro Electronics (Shanghai) Co., Ltd To: SGS North America Inc 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: ICLegend Micro Electronics (Shanghai) Co., Ltd Room207, Building1, Zhang Heng Road 666 Pudong New Area 201203 Regarding Confidentiality Request rega 「 dingapplication for FCC ID: 2AWE75KM3 12-D EVSN2 LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission's rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above Schematic(s) Block Diagrams Operationa l Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant Sincerely , Signature · 队尸为 J System manager ICLegend Mic 「 o Electronics (Shanghai) Co., Ltd

Page: 1 / 6 Report No.: T200507D08 Rev.: 00 APPENDIX 1 - PHOTOGRAPHS OF EUT EXTERNAL PHOTOGRAPHS OF EUT Page: 2 / 6 Report No.: T200507D08 Rev.: 00 Page: 3 / 6 Report No.: T200507D08 Rev.: 00 Page: 4 / 6 Report No.: T200507D08 Rev.: 00

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Page: 5 / 6 Report No.: T200507D08 Rev.: 00 INTERNAL PHOTOGRAPHS OF EUT Page: 6 / 6 Report No.: T200507D08 Rev.: 00

FCC ID: 2AWE75KM312-DEVSN2 Page: 1 / 32 Report No.: T200507D08-RP Rev.: 01 No.11, Wugong 6th Rd., Wugu Dist., New Taipei City , Taiwan /新北市五股區五工六路11號 t:(886-2) 2299-9720 f:(886-2) 2299-9721 www.sgs.com.tw www.ccsrf.com Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only. 除非另有說明，此報告結果僅對測試之樣品負責，同時此樣品僅保留90天。本報告未經本公司書面許可，不可部份複製。 This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at http://www.sgs.com.tw/Terms-and-Conditions and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at http://www.sgs.com.tw/Terms-and-Conditions. Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of client’s instruction, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced, except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Compliance Certification Services Inc. 程智科技股份有限公司 Member of the SGS Group FCC RADIO TEST REPORT FCC 47 CFR PART 15 SUBPART C INDUSTRY CANADA RSS-310 Test Standard FCC Part 15.249 IC RSS-310 issue 4 and IC RSS-GEN issue 5 Trade name ICLEGEND MICRO Product name DEVSN2 Model No. DEVSN2_V40 Test Result Pass The test Result was tested by Compliance Certification Services Inc. The test data, data evaluation, test procedures, and equipment configurations shown in this report were given in ANSI C63.10: 2013 and compliance standards. The test results of this report relate only to the tested sample (EUT) identified in this report. The test Report of full or partial shall not copy. Without written approval of Compliance Certification Services Inc. (Wugu Laboratory) Approved by: Kevin Tsai Deputy Manager Page: 2 / 32 Report No.: T200507D08-RP Rev.: 01 Revision History Rev. Issue Date Revisions Effect Page Revised By 00 July 1, 2020 Initial Issue ALL Angel Cheng 01 July 23, 2020 1. Revised applicant and manufacturer info. 2. Revised power supply. 3. Added Center Frequency Range. 4. Revised section 1.6. 5. Revised section 4.3.2. 6. Revised setup photo test report number. P.4, P.5, P.8, P.18, A-1~A-4. Angel Cheng Page: 3 / 32 Report No.: T200507D08-RP Rev.: 01 Table of contents 1. GENERAL INFORMATION .................................................................................................. 4 1.1 EUT INFORMATION ............................................................................................................ 4 1.2 EUT CHANNEL INFORMATION .......................................................................................... 5 1.3 ANTENNA INFORMATION .................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ....................................................................................... 6 1.5 FACILITIES AND TEST LOCATION .................................................................................... 7 1.6 INSTRUMENT CALIBRATION ............................................................................................. 8 1.7 SUPPORT AND EUT ACCESSORIES EQUIPMENT ........................................................... 9 2. TEST SUMMERY ............................................................................................................... 10 3. DESCRIPTION OF TEST MODES ..................................................................................... 11 3.1 THE WORST MODE OF MEASUREMENT ........................................................................ 11 4. TEST RESULT ................................................................................................................... 12 4.1 AC POWER LINE CONDUCTED EMISSION ..................................................................... 12 4.2 20dB BANDWIDTH AND OCCUPIED BANDWIDTH (99%) .............................................. 13 4.3 FIELD STRENGTH OF FUNDAMENTAL AND RADIATION SPURIOUS EMISSION ........ 15 APPENDIX 1 - PHOTOGRAPHS OF EUT Page: 4 / 32 Report No.: T200507D08-RP Rev.: 01 1. GENERAL INFORMATION 1.1 EUT INFORMATION Applicant ICLegend Micro Electronics (Shanghai) Co., Ltd. Room 207, No 1, 666 nong zhangheng road shanghai, china Manufacturer ICLegend Micro Electronics (Shanghai) Co., Ltd. Room 207, No 1, 666 nong zhangheng road shanghai, china Equipment DEVSN2 Model Name DEVSN2_V40 Model Discrepancy N/A EUT Functions 24G Radar Received Date May 7, 2020 Date of Test May 19 ~ 20, 2020 Output Power Peak : 77.26dBuV/m Average : 76.60dBuV/m Power Supply DC 5V by USB port. Page: 5 / 32 Report No.: T200507D08-RP Rev.: 01 1.2 EUT CHANNEL INFORMATION Frequency Range 24.00GHz-24.25GHz Center Frequency Range 24.125GHz Modulation Type FMCW Number of channel 1 1.3 ANTENNA INFORMATION Antenna Type PIFA PCB Dipole Printed Coils Antenna Gain 6 dBi Antenna Connector N/A Page: 6 / 32 Report No.: T200507D08-RP Rev.: 01 1.4 MEASUREMENT UNCERTAINTY PARAMETER UNCERTAINTY AC Powerline Conducted Emission N/A Emission bandwidth, 20dB bandwidth +/- 0.0014 RF output power, conducted +/- 1.14 Power density, conducted +/- 1.40 3M Semi Anechoic Chamber / 30M~200M +/- 4.12 3M Semi Anechoic Chamber / 200M~1000M +/- 4.68 3M Semi Anechoic Chamber / 1G~8G +/- 5.18 3M Semi Anechoic Chamber / 8G~18G +/- 5.47 3M Semi Anechoic Chamber / 18G~26G +/- 3.81 3M Semi Anechoic Chamber / 26G~40G +/- 3.87 3M Semi Anechoic Chamber / 40G~60G +/- 1.8509 3M Semi Anech…

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Page: A-1 / A-4 Report No.: T200507D08-RP Rev.: 01 APPENDIX-1 Test Photo Radiation (Below 1GHz) Page: A-2 / A-4 Report No.: T200507D08-RP Rev.: 01 Radiation (1GHz ~ 40GHz) Page: A-3 / A-4 Report No.: T200507D08-RP Rev.: 01 Radiation (40GHz ~ 50GHz) Radiation (50GHz ~ 75GHz) Page: A-4 / A-4 Report No.: T200507D08-RP Rev.: 01 Radiation (75GHz ~ 90GHz) Radiation (90GHz ~ 100GHz)