2BVGW-DC2531Compressor Box

1. Status LED — refer to Table 1-1 Status LED Description for details. 2. QD Socket — connects the adjustable strap with hook for hanging the Compressor Box. 3. USB Port — connects the AC tablet for firmware updates or data interaction when Bluetooth communication fails. 4. DB26 port — connects the main cable. 4 23 1 1. After connecting the AC tablet with the VCI, tap HVAC on the AC tablet. 2. Select Compressor Test on the HVAC main menu. 3. Select Special Tool Drive on the Drive Selection screen.4. Follow the on-screen cable connection diagram to connect the equipment and the prompts on the screen to perform the test. Tap Next to continue. Before operating or maintaining this device, please read these instructions carefully, paying extra attention to the safety warnings and precautions. Use this device correctly and with care. Failure to do so may cause damage and/or personal injury and will void the product warranty. WARNING: The illustrations in this guide are for reference only. Please refer to the actual product. Autel Intelligent Technology Corp., Ltd. hereby declares that the radio equipment type Compressor Box is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: https://www.autel.com/download.jhtml

Rev 1/26/2023 NEREBELZHA VIETNAM CO., LTD Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2026-06-02 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BVGW-DC2531 NEREBELZHA VIETNAM CO., LTD certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. NEREBELZHA VIETNAM CO., LTD certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. or A Software Bill of Materials (SBOM) is provided to the TCB for review, and The end-user or third parties cannot install additional software on this device. Sincerely, (Applicant signature) (Jingpei Tan) Rev 1/26/2023 NEREBELZHA VIETNAM CO., LTD Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2026-06-02 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BVGW-DC2531 NEREBELZHA VIETNAM CO., LTD certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Jingpei Tan)

NEREBELZHA VIETNAM CO., LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: May 28, 2026 Subject; Request for Confidentiality FCC ID: 2BVGW-DC2531 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description FCC Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Jingpei Tan Title: Department Head

Effective Date: April 2, 2020 QSF 7.6.4-8 – Agent Authorization Letter Template Page 1 of 1 Revision Date: Revision: 0 NEREBELZHA VIETNAM CO., LTD Date：2026-05-28 Product Model Number: Compressor Box FCC ID: 2BVGW-DC2531 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following: • Testing • Approval applications and procedures We declare that QAI Laboratories Ltd. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by QAI Laboratories Ltd. on our behalf shall have the same effect as acts of our own. By: Jingpei Tan Contact Listed on FCC Wesbite Title: Department Head Email: [email protected] On behalf of: NEREBELZHA VIETNAM CO., LTD

Ext Photos Model: Compressor Box Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6 Photo 7

Label and Label Location Model: Compressor Box Label：23.71mm*48.71 mm Label Location： Label&location

Int Photos Model: Compressor Box Photo 1 Photo 2 Photo 3 Photo 4 ANT Photo 5 Photo 6 Photo 7 Photo 8 Photo 9

- Page 1 of 9 - Report No.: HB20260507005E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com RF EXPOSURE Test Report Product: Compressor Box Trade Mark: AUTEL Model Number: Compressor Box FCC ID: 2BVGW-DC2531 Prepared for NEREBELZHA VIETNAM CO., LTD Lot B30, Land Plot CN4, An Duong Industrial Park, An Phong Ward, Hai Phong City, Vietnam Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 9 - Report No.: HB20260507005E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION ..................................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................. 5 1.2 TEST MODE .............................................................................................................................................................. 5 1.3 TEST SETUP .............................................................................................................................................................. 5 1.4 ANCILLARY EQUIPMENT .............................................................................................................................................. 5 2 TEST FACILITIES AND ACCREDITATIONS .............................................................................................................. 6 2.1 TEST LABORATORY ..................................................................................................................................................... 6 2.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 6 2.3 MEASUREMENT UNCERTAINTY ..................................................................................................................................... 6 2.4 TEST SOFTWARE ........................................................................................................................................................ 6 3 LIST OF TEST EQUIPMENT .................................................................................................................................. 7 4 RF EXPOSURE .................................................................................................................................................... 8 4.1 STANDALONE SAR TEST EXCLUSION CONSIDERATIONS........................................................................................................ 8 4.1.1 Limit ............................................................................................................................................................ 8 4.1.2 Test Procedures ........................................................................................................................................... 8 4.1.3 Test Result ................................................................................................................................................... 9 - Page 3 of 9 - Report No.: HB20260507005E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com TEST RESULT CERTIFICATION Applicant’s Name ................. : NEREBELZHA VIETNAM CO., LTD Address ................................. : Lot B30, Land Plot CN4, An Duong Industrial Park, An Phong Ward, Hai Phong City, Vietnam Manufacturer's Name ..................................... : Autel Intelligent Technology Corp., Ltd. Address ................................. : Floor 2, Caihong Keji Building, 36 Hi-tech North Six Road, Songpingshan Community, Xili Sub-district, Nanshan District, Shenzhen City, China Product description Product name ........................ : Compressor Box Model Number ....................... : Compressor Box Standards ............................. : FCC CFR 47 PART 1 , 1.1310 Test procedure ....................... : KDB 447498 D01 General RF Exposure Guidance v06 This device described above has been tested by Shenzhen HongBiao Certification& Testing Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the EMC requirements. And it is applicable only to the tested sample identified in the report. Date of Test ........................................... : Date (s) of performance of tests ............. : Apr 27, 2026~ May 18, 2026 Test Result .............................................. : Pass Testing Engineer : ( Z o e Su) Technical Manager : ( G a r y Lu) Authorized Signatory : (L e o S u) - Page 4 of 9 - Report No.: HB20260507005E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Revision History Revised No. Date of Issue Description 01 May 18, 2026 Original - Page 5 of 9 - Report No.: HB20260507005E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com 1 General D…

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- Page 1 of 66 - Report No.: HB20260507005E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Test Report Product: Compressor Box Trade Mark: AUTEL Model Number: Compressor Box FCC ID: 2BVGW-DC2531 Prepared for NEREBELZHA VIETNAM CO., LTD Lot B30, Land Plot CN4, An Duong Industrial Park, An Phong Ward, Hai Phong City, Vietnam Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 66 - Report No.: HB20260507005E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION .................................................................................................................... 6 1.1 DESCRIPTION OF EUT ................................................................................................................................................. 6 1.2 TEST MODE .............................................................................................................................................................. 6 1.3 OPERATION CHANNEL LIST .......................................................................................................................................... 6 1.4 TEST SETUP .............................................................................................................................................................. 7 1.5 POWER SETTING CONFIGURATION PARAMETERS ............................................................................................................... 7 1.6 ANCILLARY EQUIPMENT .............................................................................................................................................. 7 2 SUMMARY OF TEST RESULT ............................................................................................................................... 9 3 TEST FACILITIES AND ACCREDITATIONS .............................................................................................................10 3.1 TEST LABORATORY ................................................................................................................................................... 10 3.2 ENVIRONMENTAL CONDITIONS ................................................................................................................................... 10 3.3 MEASUREMENT UNCERTAINTY ................................................................................................................................... 10 3.4 TEST SOFTWARE ...................................................................................................................................................... 11 4 LIST OF TEST EQUIPMENT .................................................................................................................................12 5 TEST ITEM AND RESULTS ...................................................................................................................................14 5.1 ANTENNA REQUIREMENT .......................................................................................................................................... 14 5.1.1 Standard Requirement ............................................................................................................................. 14 5.1.2 Test Result ................................................................................................................................................. 14 5.2 CONDUCTED EMISSION ............................................................................................................................................. 15 5.2.1 Limits ........................................................................................................................................................ 15 5.2.2 Test Procedures ......................................................................................................................................... 15 5.2.3 Test Setup ................................................................................................................................................. 16 5.2.4 Test Result ................................................................................................................................................. 16 5.3 RADIATED EMISSION ................................................................................................................................................ 19 5.3.1 Limits ........................................................................................................................................................ 19 5.3.2 Test Procedures ......................................................................................................................................... 19 5.3.3 Test Setup ................................................................................................................................................. 19 5.3.4 Test Result ................................................................................................................................................. 20 5.3.5 Radiated Band Edge ................................................................................................................................. 25 5.4 PEAK OUTPUT POWER .............................................................................................................................................…

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规格承认书 SPECIFICATION FOR APPROVAL 日期 Date 编号 File No 2026/03/24 版本 Revisio 26032401 n 1.0 客户 CUSTOMER: 道通 客户料号 CUSTOMER NO: 501021483 品名 PARTNAME: BT Antenna 供方料号 SUPPLIERNO: YJI01.005.131.301A 东莞市长安镇沙头社区木鱼路59号Tel:0769-82586086 Fax:0769-82586086 SUPPLIERNO: YJI01.005.131.301A 送样日期Date: 送样数量Q'TY: 客户确认CUSTOMER APPROVED BY APPROVALCHIEFSUPERVISOR 供方确认SUPPLIER SIGNATURE APPROVALCHECKDESIGN ChenGuoqiangZhangLiqunHuangTuyong YJ-RD-F04-A No. 59, Muyu Road, Shatou Community, Chang'an Town, Dongguan City 承认书项目表 NO . 内容 （Contents） 页数 （Number of Page） 页码 （Page Code） 1 承认书封面（Spec Cover） 11 2 承认书项目表（Spec Item ） 12 3 工程成品图（Drawing） 13 4 天线规格（Antenna Specification） 14 5 S参数测试（S Parameter ） 15 东莞市长安镇沙头社区木鱼路59号Tel:0769-82586086 Fax:0769-82586086 5 S参数测试（S Parameter ） 15 6 无源测试（Passive Test ） 26 ~ 7 7 方向图（ Radiation Pattern ） 18 8 有源测试（Active Test ） 19 9 天线装配图（ Antenna Profile） 210~ 11 10 材质证明（Material Certificate ） 3412 ~ 45 11 RoHS报告 （RoHSTest Report ） **** 12N/AN/AN/A 13--- 天线规格 Antenna Specification Electrical Properties Frequency 2.4-2.5GHz Impedance50 Ohm Nominal V.S.W.R2.0 Max Gain 1.0dBi RadiationOmni-directional 东莞市长安镇沙头社区木鱼路59号Tel:0769-82586086 Fax:0769-82586086 PolarizationLinear Physical Properties ConnectorNone Cable TypeNone Cable LengthNone Cable ColorNone Operating Temp.-40 ~ +85 ̊C Storage Temp / Humidity 25±5 ̊C / <70% Max Agilent E5071C S Antenna Performance Test 东莞市长安镇沙头社区木鱼路59号Tel:0769-82586086 Fax:0769-82586086 S Parameter Test // BT Antenna Z Y X Antenna Passive Test 东莞市长安镇沙头社区木鱼路59号Tel:0769-82586086 Fax:0769-82586086 Y X Z Passive Test For BT Antenna Freq (MHz) Effi (%) Effi (dB) Gain (dBi) 240044.3 -3.5 0.1 2410 45.1 -3.5 0.4 2420 45.7 -3.4 0.6 东莞市长安镇沙头社区木鱼路59号Tel:0769-82586086 Fax:0769-82586086 2430 45.3 -3.4 0.6 2440 44.6 -3.5 0.6 2450 42.5 -3.7 0.7 2460 41.4 -3.8 0.8 2470 41.5 -3.8 0.8 248042.9 -3.7 0.9 249045.0 -3.5 1.0 250042.4 -3.7 0.9 Radiation Pattern For BT Antenna （ 2450MHz ） 东莞市长安镇沙头社区木鱼路59号Tel:0769-82586086 Fax:0769-82586086 Active Test For BT Antenna BandChannelTRP TIS 0 3.4-87.8 Antenna Active Test 东莞市长安镇沙头社区木鱼路59号Tel:0769-82586086 Fax:0769-82586086 Blue Tooth Band 0 39 3.6 7 -87.1 8 3.8-87.0 东莞市长安镇沙头社区木鱼路59号 Tel:0769-82586086 Fax:0769-82586086 Device BT Antenna 东莞市长安镇沙头社区木鱼路59号 Tel:0769-82586086 Fax:0769-82586086 BT Antenna

Ext Photos Model: Compressor Box Radiated Emission Below 1GHz Radiated Emission Above 1GHz Conducted emission