SVNITARD024SASTNarrow Wave Tablet Radar

24 GHz Radar Detector User’s Manual V1.0.0 V1.0.0 ZHEJIANG DAHUA VISION TECHNOLOGY CO., LTD. ZHEJIANG DAHUA VISION TECHNOLOGY CO., LTD. User’s Manual I Foreword General This manual introduces the functions and operations of the 24 GHz radar detector (hereinafter referred to as the "Radar"). Model DHI-ITARD-024SA-ST Safety Instructions The following categorized signal words with defined meaning might appear in the manual. Signal Words Meaning Indicates a high potential hazard which, if not avoided, will result in death or serious injury. Indicates a medium or low potential hazard which, if not avoided, could result in slight or moderate injury. Indicates a potential risk which, if not avoided, could result in property damage, data loss, lower performance, or unpredictable result. Provides methods to help you solve a problem or save you time. Provides additional information as the emphasis and supplement to the text. Revision History Version Revision Content Release Time V1.0.0 First release. March 2020 About the Manual  The manual is for reference only. If there is inconsistency between the manual and the actual product, the actual product shall prevail.  We are not liable for any loss caused by the operations that do not comply with the manual.  The manual would be updated according to the latest laws and regulations of related regions. For detailed information, see the paper manual, CD-ROM, QR code or our official website. If there is inconsistency between paper manual and the electronic version, the electronic version shall prevail.  All the designs and software are subject to change without prior written notice. The product User’s Manual II updates might cause some differences between the actual product and the manual. Please contact the customer service for the latest program and supplementary documentation.  There still might be deviation in technical data, functions and operations description, or errors in print. If there is any doubt or dispute, please refer to our final explanation.  Upgrade the reader software or try other mainstream reader software if the manual (in PDF format) cannot be opened.  All trademarks, registered trademarks and the company names in the manual are the properties of their respective owners.  Please visit our website, contact the supplier or customer service if there is any problem occurred when using the device.  If there is any uncertainty or controversy, please refer to our final explanation. User’s Manual III Important Safeguards and Warnings This chapter introduces the contents covering proper handling of the Radar, hazard prevention, and prevention of property damage. Read these contents carefully before using the Radar, comply with them when using, and keep the manual well for future reference.  Pay attention to personnel safety when installing the Radar at intersections or certain road sections.  Non-professionals are forbidden to disassemble and install the Radar.  Before powering on the Radar, check all the power connections to prevent short circuit.  Properly ground the Radar.  Securely install the Radar to reduce the impact of vibration on the Radar.  The cables must meet the requirements of shielding, insulation, and moisture resistance. Power Source Requirements  Use high-quality DC power supply that meets the voltage requirements to avoid crosstalk from other devices.  Strictly comply with the local electric safety standards.  Make sure that the power supply is correct before operating the Radar.  Use power supply that meets SELV (safety extra low voltage) requirements, and supply power with rated voltage that conforms to Limited Power Source in IEC60950-1. For specific power supply requirements, please refer to device labels.  Install easy-to-use device for power off before installing cables, which is for emergent power off when necessary.  Prevent the line cord from being trampled or pressed, especially the plug, power socket and the junction. Application Environment Requirements  Make sure that there are no obstructions in the front of the Radar.  Do not hot swap the serial port.  Do not impact the Radar. Prevent the Radar from falling down.  Do not aim the Radar at strong light (such as lamplight, sunlight) for focusing.  Transport, use and store the Radar under the allowed humidity and temperature conditions.  Prevent any liquid from flowing into the Radar.  Do not block the ventilation near the Radar.  Do not press, vibrate or soak the Radar during transportation, storage and installation.  Pack the Radar with packaging materials provided by its manufacturer or materials with the same quality before transporting it. User’s Manual IV Maintenance Requirements WARNING  Use accessories suggested by the manufacturer, and install and maintain the Radar by professionals.  Do not provide two or more power supply modes; otherwise, the Radar might be damaged. User’s Manual V Table of Contents Foreword .................................................................................................................................................... I Important Safeguards and Warnings .................................................................................................... III 1 Product Introduction ............................................................................................................................. 1 Overview ....................................................................................................................................... 1 1.1 Features ........................................................................................................................................ 1 1.2 2 Device Structure .................................................................................................................................... 2 Dimensions .........................................................................................................................…

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Confidentiality Request Letter Federal Communications Commission Authorization and Evaluation Division FCC ID: SVNITARD024SAST Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: 1. Block Diagram 2. Schematics 3. Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, _________________ Name: Yolanda chen Position: Manager Date: 2020-05-08

Declaration of Authorization We Name: Zhejiang Dahua Vision Technology Co., Ltd Address: No.1199, Bin'an Road, Binjiang District, Hangzhou, P.R. China Declare that: Name Representative of agent: Marlin Chen Agent Company name: MRT Technology (Suzhou) Co., Ltd Address: D8 Building, Youxin Industrial Park, No.2 Tian'edang Rd., Wuzhong Economic Development Zone City: Suzhou Country: China is authorized to apply for Certification of the following product(s): Product: Narrow Wave Tablet Radar FCC ID: SVNITARD024SAST Model: DHI-ITARD-024SA-ST, ITARD-024SA-ST Brand: Sincerely, _________________ Name: Yolanda chen Position: Manager Date: 2020-05-08

Declaration letter For our business issue and marketing requirement, we would like to list different model number as following: Model No.: DHI-ITARD-024SA-ST, ITARD-024SA-ST Model Difference: All is the same between the two models except the silkscreen printed on the body of product. DHI-ITARD-024SA-ST shows Dahua logo, but ITARD-024SA-ST is none. _____________________ Name: Yolanda chen Position: Manager Date: 2020-05-08

Report No.: 2001RSU035-UE 1 of 1 EUT Photograph (1) EUT Photo (2) EUT Photo

Label Label Location

Report No.: 2001RSU035-UE 1 of 5 EUT Photograph (1) EUT Photo (2) EUT Photo Report No.: 2001RSU035-UE (3) EUT Photo (4) EUT Photo Report No.: 2001RSU035-UE (5) EUT Photo (6) EUT Photo Report No.: 2001RSU035-UE (7) EUT Photo (8) EUT Photo Report No.: 2001RSU035-UE (9) EUT Photo (10) EUT Photo (Antenna)

MRT Technology (Suzhou) Co., Ltd Report No.: 2001RSU035-U1 Phone: +86-512-66308358 Report Version: V01 Web: www.mrt-cert.com Issue Date: 07-21-2020 Page Number: 1 of 33 FCC ID: SVNITARD024SAST APPLICANT: Zhejiang Dahua Vision Technology Co., Ltd Application Type: Certification Product: Narrow Wave Tablet Radar Model No.: DHI-ITARD-024SA-ST Serial Model No.: ITARD-024SA-ST Brand Name: FCC Classification: Part 15 Low Power Communication Device Transmitter (DXX) FCC Rule Part(s): FCC Part 15C (Section 15.249) Test Procedure(s): ANSI C63.10-2013 Test Date: April 01 ~ July 21, 2020 Reviewed By: ( Kevin Guo ) Approved By: ( Robin Wu ) MEASUREMENT REPORT FCC PART 15.249 The test results relate only to the samples tested. This equipment has been shown to be capable of compliance with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in ANSI C63.10-2013. Test results reported herein relate only to the item(s) tested. The test report shall not be reproduced except in full without the written approval of MRT Technology (Suzhou) Co., Ltd. Report No.: 2001RSU035-U1 Page Number: 2 of 33 Revision History Report No. Version Description Issue Date Note 2001RSU035-U1 Rev. 01 Initial Report 07-21-2020 Valid Report No.: 2001RSU035-U1 Page Number: 3 of 33 CONTENTS Description Page 1. INTRODUCTION ..................................................................................................................... 6 1.1. Scope ........................................................................................................................... 6 1.2. MRT Test Location ....................................................................................................... 6 2. PRODUCT INFORMATION ..................................................................................................... 7 2.1. Equipment Description .................................................................................................. 7 2.2. Test Configuration ........................................................................................................ 7 2.3. EMI Suppression Device(s)/Modifications ..................................................................... 7 2.4. Labeling Requirements ................................................................................................. 7 3. DESCRIPTION of TEST .......................................................................................................... 8 3.1. Evaluation Procedure ................................................................................................... 8 3.2. AC Line Conducted Emissions ..................................................................................... 8 3.3. Radiated Emissions ...................................................................................................... 9 4. ANTENNA REQUIREMENTS ................................................................................................ 10 5. TEST EQUIPMENT CALIBRATION DATE ............................................................................. 11 6. MEASUREMENT UNCERTAINTY ......................................................................................... 13 7. TEST RESULT ...................................................................................................................... 14 7.1. Summary .................................................................................................................... 14 7.2. AC Conducted Emissions Measurement ..................................................................... 15 7.2.1. Test Limit ................................................................................................................ 15 7.2.2. Test Setup ............................................................................................................... 15 7.2.3. Test Result .............................................................................................................. 15 7.3. Radiated Emission ...................................................................................................... 16 7.3.1. Test Limit ................................................................................................................ 16 7.3.2. Test Setup ............................................................................................................... 17 7.3.3. Test Result .............................................................................................................. 18 7.4. Radiated Restricted Band Edge Measurement ........................................................... 23 7.4.1. Test Limit ................................................................................................................ 23 7.4.2. Test Setup ............................................................................................................... 24 7.4.3. Test Result .............................................................................................................. 25 7.5. Emission Bandwidth Measurement ............................................................................. 29 7.5.1. Test Limit ................................................................................................................ 29 7.5.2. Test Procedure used ............................................................................................... 29 Report No.: 2001RSU035-U1 Page Number: 4 of 33 7.5.3. Test Setting ............................................................................................................. 29 7.5.4. Test Setup ............................................................................................................... 29 7.5.5. Test Result .............................................................................................................. 30 8. CONCLUSION ...............................................................…

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Report No.: 2001RSU035-UT 1 of 3 Test Setup Photograph Description: Radiated Emission Test Setup for Below 1GHz (at 3m) Description: Radiated Emission Test Setup for 1GHz -18GHz (at 3m) Report No.: 2001RSU035-UT Description: Radiated Emission Test Setup for 18GHz ~40GHz (at 3m) Description: Radiated Emission Test Setup for 40GHz ~50GHz (at 1m) Report No.: 2001RSU035-UT Description: Radiated Emission Test Setup for 50GHz ~75GHz (at 1m) Description: Radiated Emission Test Setup for 75GHz ~100GHz (at 0.25m)