FCC ID: 2A7MKMRR510 Millimeter Wave Radar

This equipment complies with FCC RF radiation exposure limits set forth for an This equipment should be installed and operated with minimum distance FCC Information uncontrolled environment. 50cm between the radiator & your body. RF Exposure Statement uncontrolled environment. This equipment complies with FCC radiation exposure limits set forth for an 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, and (2) this device must accept any interference received, including interference that may cause undesired operation. Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. User Manual of the Mid-Range Radar Product HiRain Technologies Co., Inc Contents 1 Introduction ............................................................................................................. 1 Purpose ...................................................................................................... 1 1.1 Scope ......................................................................................................... 1 1.2 Abbreviations ............................................................................................ 1 1.3 2 Production ............................................................................................................... 1 FOV........................................................................................................... 1 Specification ............................................................................................. 2 Structure .................................................................................................... 2 Connector Type ......................................................................................... 3 Definition of Connector Pin ...................................................................... 3 Installation................................................................................................. 4 Using the radar .......................................................................................... 4 2.1 2.2 2.3 2.4 2.5 2.6 2.7 I 1 Introduction 1.1 Purpose 1.2 Scope This document is the introduction of the forward medium-range millimeter wave radar which is designed and produced by HiRain Technologies Co., Inc. This document is only the reference for users of millimeter wave radar products of HiRain Technologies Co., Inc. 1.3 Abbreviations MRR: Mid-Range Radar FCW: Forward Collision Warning AEB: Autonomous Emergency Braking ACC: Adaptive Cruise Control FOV: Field of View 2 Production The forward mid-range millimeter-wave radar is installed in front of the vehicle for obstacles detections, target parameters estimation, target tracking, and target recognition. Forward radar primarily supports autonomous driving systems of L2 applications and above, such as FCW, AEB, and ACC. 2.1 FOV Fig.1 Radar Field of View 1 2.2 Specification Item Frequency Range Weight Update Rate Field of View Relative Velocity Scope Range Precision Velocity Precision Angle Precision Power Dissipation Supply voltage Operating Temperature Storage Temperature Dustproof and Waterproof Level 2.3 Structure Table.1 MRR specifications Horizontal FOV10medium range/ 45near Range Scope 0.5~190mmedium range/ 0.5~50mnear range Specification 76~77 GHz 120g 50ms range Vertical FOV9

-60 ~50 m/s 0.1 m 0.05 m/s 0.5

< 5W 12V

-40~ 85

-40~ 105 IP6K7K Connector 2xCAN/CAN-FD Radiation Area 2 Fig.2 Structure Figure 2.4 Connector Type Table.2 Connector Type Connector 8P Connector Type Supplier 7283-8855-30 YAZAKI Terminal block 7116-4415-02 YAZAKI Plug 7158-3165-90 YAZAKI 0.2 NA NA NA 0.2 NA NA NA 3

(a) PCB Terminal Connector (b) Wire Terminal Connector Fig.3 Connector Diagram 2.5 Definition of Connector Pin Parameters in the following table are measured at voltage 12V. Table.3 Definition of Connector Pin Function Signal Type Current(A) GND Ground CAN2_H CAN1_L CAN1_H CAN Communication CAN Communication CAN Communication POWER PowerKL15 CAN2_L CAN Communication NC NC Reserved Reserved Pin 1 2 3 4 5 6 7 8 Maximum Current &

Duration(A/ms) 600mA/25ms

600mA/25ms 2.6 Installation There are three locating holes on the lower shell of the radar, which are installed on the bracket of the vehicle through three M6 bolts; There is a main positioning column and an auxiliary positioning column outside the housing of the radar, which can achieve accurate positioning . The installation position and orientation are shown in the following figure Fig.4 installation position and orientation 2.7 Using the radar required. The radar starts working when it is powered on. No configuration parameters is 4

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Beijing Jingwei Hirain Technologies Co.,Ltd Address: 4/P, building 1,14 Jiuxianqiao Road, Chaoyang District, Beijing, China Tel.: +8618501957332 Fax: +860 1064840808 E-mail: xuejian.zhang@hirain,com FCC Confidential Authorization Date: 2022-07-15 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2A7MKMRRS10 In accordance with Sections 0.457 and 0.459 of the Commissions Rules, Beijing Jingwei Hirain Technologies Co.,Ltd hereby requests long-term confidential treatment of information accompanying this application as outlined below:

e Block Diagram e Schematics e Operation Description Parts List/Tune up procedure (for licensed devices) 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,

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| a z i Signature K {hE}! ah a Name: Xuejian Zhang Title: Product Manager

Beying Jingwei Hirain Technologies Co., Inc Address: 4/F, building 1,14 Jiuxiangiao Road, Chaoyang District, Beijing, China Tel.: +8618501957332 Fax: +8601064840808 E-mail: xuejian.zhang@hirain.com FCC Authorization Date: 2022-06-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern:

We, Beijing Jingwei Hirain Technologies Co., Inc hereby authorize China Certification ICT Co., Ltd (Dongguan) 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 China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, Beying Jingwei Hirain Technologies Co., Inc 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 1s valid until further written notice from the applicant. Sincerely Yours, Signature Ne 1) an Name: Xuejian Zhang Title: Product Manager QA-FR-170-B