2AQ3A-HMA001Base Station

Shenzhen VanTop Technology & Innovation Co., Ltd. Address: 502, 5th Flr. BLDG 4, MinQi Technology Park, No. 65 Lishan Road, Taoyuan Street, Nanshan District, Shenzhen, China Email: [email protected] Tel: +86-755-84652162 Fax: +86-755-84652162 QA-FR-170-B 7/29/2014 FCC Authorization Date: 2022-06-02 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We Shenzhen VanTop Technology & Innovation Co., Ltd., the undersigned, hereby authorizes Shenzhen Accurate Technology Co., Ltd. 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 Shenzhen Accurate Technology Co., Ltd. on our behalf shall have the same effect as our own action. We, 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 is valid until further written notice from the applicant. Sincerely, Signature: Name: Davy Wong Title:manager

Shenzhen VanTop Technology & Innovation Co., Ltd. Address: 502, 5th Flr. BLDG 4, MinQi Technology Park, No. 65 Lishan Road, Taoyuan Street, Nanshan District, Shenzhen, China Email: [email protected] Tel: +86-755-84652162 Fax: +86-755-84652162 Date: 2022-06-02 Similarity Declaration FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam, We, Shenzhen VanTop Technology & Innovation Co., Ltd. hereby declare that we have a product named as Base Station, FCC ID: 2AQ3A-HMA001, the models: Assure B1, Assure B2, Assure B3, Mate A1, PROTECT D1, HM612, D1, PROTECT B2, HM206.All of the models are the same except model name. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely, Signature: Name: Davy Wong Title:manager

Shenzhen VanTop Technology & Innovation Co., Ltd. Address: 502, 5th Flr. BLDG 4, MinQi Technology Park, No. 65 Lishan Road, Taoyuan Street, Nanshan District, Shenzhen, China Email: [email protected] Tel: +86-755-84652162 Fax: +86-755-84652162 FCC Confidential Authorization Date: 2022-06-02 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AQ3A-HMA001 In accordance with Sections 0.457 and 0.459 of the Shenzhen VanTop Technology & Innovation Co., Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description 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, Signature: Name: Davy Wong Title:manager

Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220331-11809E-RF LABEL AND LOCATION Page 1 of 1 FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220331-11809E-RF Internal Photos Page 1 of 4 Internal photos Antenna Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220331-11809E-RF Internal Photos Page 2 of 4 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220331-11809E-RF Internal Photos Page 3 of 4 Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220331-11809E-RF Internal Photos Page 4 of 4

Note: This report may contain ★ data that are not covered by the A2LA accreditation and are marked with an asterisk “ ”. Shenzhen Accurate Technology Co., Ltd. is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. Shenzhen Accurate Technology Co., Ltd. 1/F., Building A, Changyuan New Material Port, Science & Industry Park, Nanshan District, Shenzhen, Guangdong, P.R. China Tel: +86 755-26503290 Fax: +86 755-26503396 Web: www.atc-lab.com Version 5: 2021-11-09 Page 1 of 23 FCC Part 15.231 TEST REPORT Applicant Name : Shenzhen VanTop Technology & Innovation Co., Ltd. Address : 502, 5th Flr. BLDG 4, MinQi Technology Park, No. 65 Lishan Road, Taoyuan Street, Nanshan District, Shenzhen, China Report Number : SZNS220331-11809E-RF FCC ID: 2AQ3A-HMA001 Test Standard (s) FCC PART 15.231 Sample Description Product Type: Base Station Model No.: Assure B1 Multiple Model(s) No.: Assure B2, Assure B3, Mate A1, PROTECT D1, HM612, D1, PROTECT B2, HM206 (Please refer to DOS for Model difference) Trade Mark: N/A Date Received: 2022/03/31 Report Date: 2022/06/02 Test Result: Pass* * In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Black Ding Robert Li EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: SZNS220331-11809E-RF Version 5: 2021-11-09 Page 2 of 23 FCC Part 15.231 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 TEST METHODOLOGY .................................................................................................................................................. 3 MEASUREMENT UNCERTAINTY .................................................................................................................................... 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 JUSTIFICATION ............................................................................................................................................................. 5 SPECIAL ACCESSORIES ................................................................................................................................................. 5 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 5 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 5 EXTERNAL I/O CABLE .................................................................................................................................................. 5 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 6 SUMMARY OF TEST RESULTS ............................................................................................................................... 7 TEST EQUIPMENT LIST AND DETAILS ............................................................................................................... 8 FCC §15.203 - ANTENNA REQUIREMENT ............................................................................................................. 9 APPLICABLE STANDARD .............................................................................................................................................. 9 ANTENNA CONNECTOR CONSTRUCTION ...................................................................................................................... 9 FCC §15.207 (A) – AC LINE CONDUCTED EMISSIONS .................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 EUT SETUP ................................................................................................................................................................ 10 EMI TEST RECEIVER SETUP ....................................................................................................................................... 10 TEST PROCEDURE ...................................................................................................................................................... 10 TEST DATA ................................................................................................................................................................ 11 FCC §15.205, §15.209, §15.231 (B) - RADIATED EMISSIONS ............................................................................. 14 APPLICABLE STANDARD ............................................................................................................................................ 14 EUT SETUP .............................................................................................…

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Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220331-11809E-RF Test Photos Page 1 of 2 Photo of Conducted Emission Measurement Shenzhen Accurate Technology Co., Ltd. Project No.: SZNS220331-11809E-RF Test Photos Page 2 of 2 Photo of Radiated Emission Measurement (Below 1G) Photo of Radiated Emission Measurement (Above 1G)