XUJS4001Heavy duty / Medium duty / Light duty Vehicle Communication Interface

Operations Register Post -&Remote Diagnosis Orders / Data PortI/O Operations 2 Operations // Appendix - DLC Location FAQ & Appendix Possible DLC Location Caution: This device complies with Part 15 of the FCC rules and Industry Canada license‐exempt RSS standard(s). 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. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications or change to this equipment. Such modifications or change could void the user’s authority to operate the equipment. This radio transmitter (identify the device by certification number or model number if Category II) has been approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ‐‐ Reorient or relocate the receiving antenna. ‐‐ Increase the separation between the equipment and receiver. ‐‐ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ‐‐ Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. To maintain compliance with FCC’s RF exposure guidelines, this equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body. 5G For 5805-5805 frequency band, Operations in the 5805-5805 band are restricted to indoor usage only. 5G: Any emission is maintained within the band of operation under all conditions of normal operation. The max. frequency stability is less than 20ppm.

Launch Tech Co., Ltd. Date: Mar. 10, 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: XUJS4001 To Whom It May Concern: This letter is to statement that S4001/ Heavy duty / Medium duty / Light duty Vehicle Communication Interface has been tested according to FCC Part 15B by Waltek Testing Group Co., Ltd. (Test Report No.: WTS20S06036034E). And the SDOC file, meetting the requirements of the FCC regulations, would been provided when the device is sold by the responsible party in US. The service will not be sold until the SDOC is provided. If the sale does not have an SDOC, all responsibility is the responsibility of the applicant. Sincerely, Signature [Yibing Xue] [Manager] [Launch Tech Co., Ltd.]

Launch Tech Co., Ltd. Date: Mar. 10, 2021 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: XUJS4001 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: Exhibit Type File Name Schematics Block Diagram Operational Description Schematics.pdf Block Diagram.pdf Operational Description.pdf The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Launch Tech Co., Ltd. Signature Yibing Xue/Manager Typed name and Title

Launch Tech Co., Ltd. FCC ID: XUJS4001 POWER OF ATTORNEY Date: Mar. 10, 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: We, the undersigned, hereby authorize Waltek Testing Group Co., Ltd. (Philo Zhong) on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group Co., Ltd. (Philo Zhong) on our behalf shall have the same effect as acts of our own. This authorization expires on Mar. 09, 2022. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, Launch Tech Co., Ltd. are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, Launch Tech Co., Ltd. Signature Yibing Xue/Manager Typed name and Title

Appendix- S4001-Photos Page 3 of 16 EUT – External View Model S4001 FCC ID: XUJS4001 Appendix- S4001-Photos Page 4 of 16 Appendix- S4001-Photos Page 5 of 16 Appendix- S4001-Photos Page 6 of 16 Appendix- S4001-Photos Page 7 of 16

S4001_Label Sample and Location

Appendix- S4001-Photos Page 8 of 16 EUT–Internal View Model S4001 FCC ID: XUJS4001 Appendix- S4001-Photos Page 9 of 16 BT+5G WiFiANT. Appendix- S4001-Photos Page 10 of 16 Appendix- S4001-Photos Page 11 of 16 Appendix- S4001-Photos Page 12 of 16 Appendix- S4001-Photos Page 13 of 16 Appendix- S4001-Photos Page 14 of 16 Appendix- S4001-Photos Page 15 of 16 Appendix- S4001-Photos Page 16 of 16 ======End======

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn P age 1 of 7 TEST REPORT Referen ce No. .................... : WTS20S06036033W004 V1 FCC ID ................................ : XUJS4001 Applicant ............................ : Launch Tech Co., Ltd. Address .............................. : Launch Industrial Park, North of Wuhe Rd. Banxuegang, Longgang, Shenzhen, China Manufacturer .................... : Launch Tech Co., Ltd. Address .............................. : Launch Industrial Park, North of Wuhe Rd. Banxuegang, Longgang, Shenzhen, China Product ............................... : Heavy duty / Medium duty / Light duty Vehicle Communication Interface Model(s) ............................. : S4001 Standards........................... : FCC Part 1.1307 Date of Receipt sample .... : 2020-06-11 Date of Test ....................... : 2020-06-12 to 2021-03-15 Date of Issue ...................... : 2021-03-16 Test Result ......................... : Pass Remarks: The re sults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Andy Feng / Project Engineer Daniel Liu /Designated Reviewer Reference No.: WTS20S06036033W004 V1 Page 2 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2. Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2. CONTENTS ............................................................................................................................................................ 2 3. REVISION HISTORY ............................................................................................................................................ 3 4. GENERAL INFORMATION .................................................................................................................................. 4 4.1. GENERAL DESCRIPTION OF E.U.T. ............................................................................................................ 4 4.2. DETAILS OF E.U.T. ..................................................................................................................................... 4 5. TEST SUMMARY .................................................................................................................................................. 5 6. RF EXPOSURE ...................................................................................................................................................... 6 6.1. REQUIREMENTS .......................................................................................................................................... 6 6.2. THE PROCEDURES / LIMIT ........................................................................................................................... 6 6.3. MPE CALCULATION METHOD .................................................................................................................... 7 6.4. RESULT: COMPLIANCE ............................................................................................................................... 7 Reference No.: WTS20S06036033W004 V1 Page 3 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 3. Revision History Test report No. Date of Receipt sample Date of Test Date of Issue Purpose CommentApproved WTS20S06036033 W004 2020-06-11 2020-06-12 to 2021-03-08 2021-03-09 original - Replaced WTS20S06036033 W004 V1 2020-06-11 2020-06-12 to 2021-03-15 2021-03-16 Version 1 Updated Valid Reference No.: WTS20S06036033W004 V1 Page 4 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4. General Information 4.1. General Description of E.U.T. Product: Heavy duty / Medium duty / Light duty Vehicle Communication Interface Model(s): S4001 Model difference: N/A Operation Frequency: BT:2402-2480MHz, 79 Channels in total 5G: 802.11a ,5805MHz Bluetooth Version: Bluetooth v4.2 with BLE Antenna installation: internal permanent antenna Max. RF output power: Bluetooth: 7.46dBm BLE: 2.04dBm 5G: 8.28dBm Antenna Gain: 2dBi Type of Modulation: BT:GFSK, 8DPSK 5G: OFDM Hardware Version: V1.00.000 Software Version: V1.0 4.2. Details of E.U.T. Ratings: Input: 9-36V , 0.5A max Reference No.: WTS20S06036033W004 V1 Page 5 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 5. Test Summary Test Items Test Requirement Result Maximum Permissible Exposure (Exposure of Humans to RF Fields) 1.1307 PASS Reference No.: WTS20S06036033W004 V1 Page 6 of 7 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 6. RF Exposure Test Requirement: FCC Part 1.1307 Evaluation Method: FCC Part 2.1091 & KDB 447498 D01 General RF Exposure Guidance v06 6.1. Requirements Systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 0.2 m normally can be maintained between the user and the device. 6.2. The procedures / limit (A) Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 (B) Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field …

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Walte k Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 45 TEST REPORT Re ference No. .................... : WTS20S06036033W001 V1 FCC ID ................................ : XUJS4001 Applicant ........................... : Launch Tech Co., Ltd. Address ............................. : Launch Industrial Park, North of Wuhe Rd. Banxuegang, Longgang, Shenzhen, China Manufacturer .................... : Launch Tech Co., Ltd. Address ............................. : Launch Industrial Park, North of Wuhe Rd. Banxuegang, Longgang, Shenzhen, China Product .............................. : Heavy duty / Medium duty / Light duty Vehicle Communication Interface Model(s). ............................ : S4001 Standards .......................... : FCC CFR47 Part 15 Section 15.247 Date of Receipt sample .... : 2020-06-11 Date of Test ....................... : 2020-06-12 to 2021-03-03 Date of Issue ..................... : 2021-03-11 Test Result ........................ : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Andy Feng / Project Engineer Daniel Liu /Designated Reviewer Reference No.: WTS20S06036033W001 V1 Page 2 of 45 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................................ 2 3 REVISION HISTORY ............................................................................................................................................ 4 4 GENERAL INFORMATION .................................................................................................................................. 5 4.1 GENERAL DESCRIPTION OF E.U.T ................................................................................................................. 5 4.2 DETAILS OF E.U.T ........................................................................................................................................... 5 4.3 CHANNEL LIST ................................................................................................................................................. 6 4.4 TEST MODE ..................................................................................................................................................... 6 4.5 TEST FACILITY ................................................................................................................................................. 6 5 EQUIPMENT USED DURING TEST .................................................................................................................. 7 5.1 EQUIPMENTS LIST ........................................................................................................................................... 7 5.2 MEASUREMENT UNCERTAINTY ....................................................................................................................... 8 5.3 SUBCONTRACTED ............................................................................................................................................ 8 6 TEST SUMMARY .................................................................................................................................................. 9 7 RADIATED EMISSIONS ..................................................................................................................................... 10 7.1 EUT OPERATION ........................................................................................................................................... 10 7.2 TEST SETUP .................................................................................................................................................. 11 7.3 SPECTRUM ANALYZER SETUP ...................................................................................................................... 12 7.4 TEST PROCEDURE ........................................................................................................................................ 13 7.5 CORRECTED AMPLITUDE & MARGIN CALCULATION ..................................................................................... 13 7.6 SUMMARY OF TEST RESULTS ....................................................................................................................... 14 8 CONDUCTED SPURIOUS EMISSIONS .......................................................................................................... 17 8.1 TEST PROCEDURE ........................................................................................................................................ 17 8.2 TEST RESULT ................................................................................................................................................ 18 9 BAND EDGE MEASUREMENT ........................................................................................................................ 25 9.1 TEST PROCEDURE ........................................................................................................................................ 25 9.2 TEST SETUP .................................................................................................................................................. 25 9.3 TEST RESULT ...............................................................…

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Appendix- S4001-Photos Page 1 of 16 Photographs –Constructional Details WIFI/BT/BLE Setup photo Model S4001 FCC ID: XUJS4001 Photograph - Spurious Emissions Radiated Test Setup Below 30MHz Test Site 2# For 30MHz-1000MHz Test Site 2# Appendix- S4001-Photos Page 2 of 16 For Above 1GHz Test Site 1#