2AVBO-HT-S601Thermal Imagers

Dongguan Xintai Instrument Co.,Ltd. Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: Nov. 17, 25 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID:2AVBO-HT-S601 Dongguan Xintai Instrument Co.,Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Applicant Signature： Printed Name: Wang Wei Title: Quality Manager Address: Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China Tel.: +86-769-82612006 Email: [email protected]

1 | P a g e Dongguan Xintai Instrument Co.,Ltd. Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China Attestation Statements To: Federal Communications Commission Date: Nov. 17, 25 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Attestation of Compliance with FCC Covered List Software Requirements FCC ID: [2AVBO-HT-S601] Product Name: [Thermal Imagers] This letter serves as an attestation that the equipment identified above ☐ is / ☒ is not (select one) "covered" software as defined under the Federal Communications Commission (FCC) Covered List requirements, as outlined in FCC 22-84 and KDB 986446. Specifically, the undersigned certifies that the equipment for which authorization is sought: 1. Does not contain cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors, assignees, parents, subsidiaries, affiliates, or any entity that has rebranded or relabeled software produced by the aforementioned entities. 2. Does not have the capability to store, run, or deliver any software identified on the FCC Covered List, including but not limited to cybersecurity and anti-virus software. To support this attestation, the appendix evaluation documentation has been prepared and is included in the certification filing. This attestation is based on a thorough evaluation of the device's design, functionality, and software environment. The undersigned affirms that the information provided is accurate and complete to the best of their knowledge. Sincerely yours, Applicant Signature： Printed Name: Wang Wei Title: Quality Manager Address: Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China Tel.: +86-769-82612006 Email: [email protected] 2 | P a g e Evaluation regarding to the Covered List Software: Compliance Methodology Evaluation Process Results Device is Inherent compliance ☒ The Chipset(s) used is limited to run the Cybersecurity or anti-virus software. Compliance ☒ The Memory used is limited to run the Cybersecurity or anti-virus software. Compliance ☒ There is storage capacity limitation for store or install the Cybersecurity or anti-virus software. Compliance ☒ Operating system used is limited to run, install or deliver the Cybersecurity or anti-virus software. Compliance Device is not Inherent compliance ☐ Evaluation Based on Software Bill of Materials (SBoM) ☐ Evaluation Based on Scan for Software on the device ☐ Evaluation Based on Filesystem scan ☐ Evaluation Based on Running software check

Dongguan Xintai Instrument Co.,Ltd. Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China 11/17/2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request for: FCC ID: 2AVBO-HT-S601 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request permanent confidential treatment of the exhibits accompanying this certification application as outlined below :  Block Diagram  Schematics  Operational Description The above exhibits contain trade secrets and/or proprietary information that are not publicly available and materials that the Applicant has spent considerable efforts in developing. Public disclosure of these may be harmful to the Applicant and give an unfair advantage to competitors on the market. Pursuant to DA 04-1705, the applicant also requests temporary confidential treatment of the exhibits outlined below for a period of (up to 180) days from the date of equipment authorization and prior to marketing in the United States to prevent the premature release of any sensitive information. Applicant is aware of their responsibility to notify DERYCOM in the event information regarding the product or the product is made available to the public before the requested period has expired.  User Manual  Internal Photos  Test Setup Photos Sincerely, (Signature) Applicant Signature： Printed Name: Wang Wei Title: Quality Manager Address: Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China Tel.: +86-769-82612006 Email: [email protected]

Dongguan Xintai Instrument Co.,Ltd. Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China Date: Nov. 17, 25 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID:2AVBO-HT-S601 I, the undersigned, hereby authorize (Shenzhen DL Testing Technology Co., Ltd.) to act on our behalf in all matters relating to this application for equipment certification. Any act carried out by (Shenzhen DL Testing Technology Co., Ltd.) shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with (Dongguan Xintai Instrument Co.,Ltd.). We 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, and that no party to the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, Applicant Signature： Printed Name: Wang Wei Title: Quality Manager Address: Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China Tel.: +86-769-82612006 Email: [email protected]

Dongguan Xintai Instrument Co.,Ltd. Model Difference Product description: Thermal Imagers Model name: HT-S601, HT-A16, HT-A30 Trade Name: N/A FCC ID:2AVBO-HT-S601 All the model are the same circuit and RF module, The frames are different, but the legs are the same. Regards Sincerely Client’s signature: Client’s name / title: Wang Wei / Quality Manager Contact information / address: Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China

FCC ID:2AVBO-HT-S601 EUT PHOTO(External Photos) FCC ID:2AVBO-HT-S601 FCC ID:2AVBO-HT-S601 FCC ID:2AVBO-HT-S601

Label & label location 20mm*10mm FCC ID:2AVBO-HT-S601 Label location

RF EXPOSURE EVALUATION METHOD FCC ID:2AVBO-HT-S601 Applicable standard： In accordance with FCC 47 CFR part 2 (2.1093) this device has been defined as a portable device which is defined as a transmitting device designed to be used so that the radiating structure(s) of the device is/are within 20 centimeters of the body of the user. Portable devices must be evaluated using the specified in FCC 47 CFR part 2 (2.1093) and ANSI/IEEEC95.1-1992. and had been tested in accordance with the measurement methods and procedures specified in IEEE 1528-2003. Per FCC KDB 447498 D01 v06, the 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances s 50 mm are determined by: SAR Test Exclusion Thresholds for 100 MHz – 6 GHz and ≤ 50 mm Approximate SAR Test Exclusion Power Thresholds at Selected Frequencies and Test Separation Distances are illustrated in the following Table. The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR,where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. WIFI2.4G Mode Max Power(dBm) Tune up Power (dBm) Max. Tune up Power (dBm) Max. Tune up Power (mW) Frequency (MHz) Min. distance (mm) Calc. thresholds limit 802.11b 8.77 8±1 9 7.94 2462 5 2.49 3.0 802.11g 8.06 8±1 9 7.94 2462 5 2.49 3.0 802.11n20 7.21 7±1 8 6.31 2462 5 1.98 3.0 802.11n40 7.41 7±1 8 6.31 2452 5 1.98 3.0 Conclusion: 1. [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] * [√f(GHz)] < 3.0. 2. SAR Test Exclusion Thresholds is 3.0 for separation distance 5mm. Therefore, SAR test is not required.

Page-1- 科技)有限公司 Chang Fen 承认书 g MERFQC Signature 刘艳勤韦星刘艳勤 date 2022/07/212022/07/212022/07/21 CUSTOME R MEMDQC Signature date Page-2- 日期版本状况 2022/07/21Afpc天线样品 1概述.................................................................................................................1-2 2机器描述............................................................................................................2-2 3调试设置........................................................................................................................................................3 3.1驻波(VSWR)和回波反射(ReturnLoss).................................................................................................. 3.2TRP/TRS使用Agilent8960(5515C)在ETS5m×4m×4m3D暗室里面测试的。....................... 3.3匹配电路(MatchingCircuitDescription)................................................................................................. 4EffectiveRadiatedPowerSummation(MAX)..........................................................................................4 5EffectiveIsotopicSensitivitySummation(MIN)..................................................................................5 6结构组装.................................................................................................................6 Page-3- 1概述 此报告主要用于描述C2500天线承认书. 2机器描述 C2500天线网络模式为2.4G，天线在设备顶侧底部，为PIFA形式。天线为fpc+同 轴线焊接。 3调试设置 3.1驻波(VSWR)和回波反射(ReturnLoss) VSWR是使用安捷伦E5062B连接到手机制具来测试，状态为自由空间。 3.2TRP/TRS使用Agilent8960(5515C)在ETS5m×4m×3m3D暗室里面测试的。 3.3匹配电路(MatchingCircuitDescription) 匹配没有变更. Page-4- 4EffectiveRadiatedPowerAndIsotopicSensitivitySummation Page-5- 5结构组装图

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Report No.: DLE-251022006R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 61 FCC Part 15C Test Report FCC ID:2AVBO-HT-S601 Applicant: Dongguan Xintai Instrument Co.,Ltd. Address: Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China Manufacturer: Dongguan Xintai Instrument Co.,Ltd. Address: Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China EUT: Thermal Imagers Trade Mark: N/A Model Number: HT-S601, HT-A16, HT-A30 Date of Receipt: Oct. 27, 2025 Test Date: Oct. 27, 2025 to Nov. 16, 2025 Date of Report: Nov. 16, 2025 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Roa Baolong Industrial Zone, Baolong Street, Longgang Shenzhen, Guangdong, China. Applicable Standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 ANSI C63.10:2020 Test Result: Pass Report Number: DLE-251022006R Prepared (Test Engineer): Dimon Tan Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. C DL-Cert ert DL-Cert DL D L-Cert DL-Cert DL-Cer D L-Cert DL-Cert DL-Cert Cert D L-Cert DL-Cert DL-Cert DL-C DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL- DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-C DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert ert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Ce L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert D DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Ce DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-C L-Cert DL-Cert DL-Cert DL-Cert D L-Cert DL-Cert rt DL-Cert DL-Cert DL-Cert D L-Cert DL-Ce DL-Cert DL-Cert DL-Cert D L-Cert DL Cert DL-Cert DL-Cert D L-Cert DL-Cert DL-Cert D L-C L-Cert DL-Cert rt DL-Cer DL Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-251022006R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 61 Table of Contents Page 1. VERSION ............................................................................................................... 4 2. SUMMARY OF TEST RESULTS ........................................................................... 5 2.1 TEST FACILITY ................................................................................................................ 6 2.2 MEASUREMENT UNCERTAINTY ................................................................................... 6 3. GENERAL INFORMATION ................................................................................... 7 3.1 GENERAL DESCRIPTION OF EUT ................................................................................. 7 3.2 DESCRIPTION OF TEST MODES ................................................................................... 8 3.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED ............... 9 3.4 DESCRIPTION OF SUPPORT UNITS(CO…

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Dongguan Xintai Instrument Co.,Ltd. Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: Nov. 17, 25 Ref: Attestation Statement – Part 2.911(d)(7) filing FCC ID:2AVBO-HT-S601 [Dongguan Xintai Instrument Co.,Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, [MIRAMONT SOLUTIONS LLC] (“the agent”) is our designated U.S. agent for service of process for the above reference FCC ID. The applicant accepts to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. The applicant further acknowledges it is our responsibility to inform the FCC whenever the agent information changes. [MIRAMONT SOLUTIONS LLC] ("the agent) understand it is the agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address. Designated U.S. Agent Company Name: MIRAMONT SOLUTIONS LLC FRN: 0036313369 Address:19 GEORGETOWN, IRVINE, CA92612 United States Signature: Contact Person: Wenyi Wang Tel: 951 401 3633 Email: [email protected] Applicant Company Name: Dongguan Xintai Instrument Co.,Ltd. FRN: 0029030632 Address: Room 201, Building 16, No. 3 Yongtai Road, Tangxia Town, Dongguan City, Guangdong Province, China Signature: Contact Person: Wang Wei Tel: +86-769-82612006 Email: [email protected]