2APMK-3841218MThermal Monocular

Form: RFT-AMER-TCB-OP-19o Revision: 1 Page 1 of 1 Date: 1/25/2023 Attention: Application Examiner Re: Certification designating a U.S. agent for service of process pursuant to section 2.911(d)(7) of the FCC rules To whom it may concern, This letter is to confirm both UNI-TREND TECHNOLOGY US INC. (“Agent”) and UNI-TREND TECHNOLOGY (CHINA) CO., LTD. (“Applicant”) acknowledge consent to obligations of each party pursuant to 47 CFR part §2.911(d)(7) of the FCC rules in regard to the agent for service of process. I Rita Zhuang HEREBY CERTIFY THAT I am authorized to make the representations above on behalf of the Applicant. I further acknowledge the requirement to maintain an agent extends for no less than one year after the termination of all marketing and importation or the conclusion of and commission-related proceeding involving the equipment and agree to immediately notify the FCC and Intertek if there is any change in the status identified above. Applicant Company Name : UNI-TREND TECHNOLOGY (CHINA) CO., LTD. Contact Name : Rita Zhuang Address : No 6, Gong Ye Bei 1 st Road, Songshan Lake National High-Tech Industrial Development Zone, Dongguan，Guangdong Province, China Telephone No : 0769-8572 3888-858 Email : [email protected] Applicant FRN : 0027453117 Signature: ____________________________________ Date: ___March 21th, 2023_________________________________ I Paul Han HEREBY CERTIFY THAT I am authorized to make the representations above on behalf of the Agent. I consent to the obligation to accept service of process on behalf of the applicant in regard to all certification applications to the FCC submitted by above applicant and agree to immediately notify the FCC and Intertek if there is change in this representation. Agent Company Name : UNI-TREND TECHNOLOGY US INC. Contact Name : Paul Han Address : 3171 Mercer Ave Suite 104, Bellingham WA 98225 Telephone No : 360 441 9569 Email : [email protected] Agent FRN : 0033556747 Signature: ____________________________________ Date: __ March 21th, 2023 _____________________

Form: RFT-AMER-TCB-OP-19n Revision: 1 Page 1 of 1 Date: 1/25/2023 Attention: Application Examiner Re: Covere d List, located at http s://www.fcc.gov/supplychain/coveredlist and 47 CFR parts §2.90 3 and §2.911(d)(5)(ii) of the FCC rules Applicant: UNI-TREND TECHNOLOGY (CHINA) CO., LTD. FCC ID: 2APMK-3841218M To whom it may concern, UNI-TREND TECHNOLOGY (CHINA) CO., LTD. (“Applicant”) certifies that the equipmen t for wh ich authorization is soug ht is not “covered” equipment prohibited from receiving an equipment authorization pursuant to 47 CFR part §2.903 of the FCC rules and does not or iginate directly or indirectly from any company named on the covered list located in the link above or any subsidiary or affiliate thereof. Applicant further certifies that, as of the date of the filing of the application, the Applicant is not identified o n the Covered List as an entity producing “covered” equipment and is not a subsidiary or affiliate of any such entity pursuant to 47 CFR part §1.50002 and required by 47 CFR part §2.911(d)(5)(ii) of the FCC rules. I HEREBY CERTIFY THAT I am authorized to make the representations above on behalf of the App licant and agree to immediately n otify Intertek if there is any change in the status identified above. ______________________________ [S ignature of authorized Proprietor, Partner or Authorized Officer] Rita Zhuang Certificate Engineer UNI-TREND TECHNOLOGY (CHINA) CO., LTD. September 7 th, 2023

[September 7th, 2023] Federal Communications Commission 445 12 th Street SW Washington, DC 20554 Subject: Limited Agency Agreement UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. FCC ID: 2APMK-3841218M To Whom It May Concern: We, UNI-TREND TECHNOLOGY (CHINA) CO.,LTD., hereby authorized Intertek Testing Services Shenzhen Ltd. Guangzhou Branch to act as our Agent for the purpose of preparing application for FCC ID number 2APMK-3841218M under all applicable parts of the FCC rules and regulations. The effective date of this limited agency agreement is September 7th, 2023. The Limited Agency Agreement expires on September 7th, 2024 unless sooner terminated or extended by written notice to Intertek Testing Services Shenzhen Ltd. Guangzhou Branch and the Federal Communications Commission. This i s to advise that we are in full compliance with the Anti-Drug Abuse Act. The applicant is not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 U.S.C. 862, and no party to the application is subject to a denial of federal benefits pursuant t o that section. If you have any questions or comments, please do not hesitate to contact me. Sincerely, [Signature]： [Printed Name]: Rita Zhuang [T ype Title]: Certificate Engineer

1(1) [September 7th, 2023] Attention: Application Examiner RE: Request for Confidentiality Applicant: UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. FCC ID: 2APMK-3841218M To Whom It May Concern: Permanent Confidentiality [Complete this section if permanent confidentiality is requested] Request is hereby submitted by UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. to withhold permanently from public review certain portions of the application for equipment certification for the referenced FCC identifiers. This request for confidentiality is made pursuant to 47 CFR 0.457(d) and 0.459 of the FCC Rules. In particular, the following sections of the application are to be kept permanently confidential: [Select one or more of items below, as appropriate] Schematics Detailed Block Diagrams Detailed Operational/Functional Description Rationale for request for confidentiality: UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. has invested considerable time and materials in research and development to produce the referenced product. [Permanent confidentiality: Disclosure of the permanently confidential portions of this application to competitors would not only give them significant competitive advantages in developing similar products, but would also disclose successful implementation of unpublished, leading edge technology developed by us.] If you have questions or need further information, please contact the undersigned. Sincerely, [Signature] ： [Printed Name]：Rita Zhuang [Type Title]：Certificate Engineer [Company name]：UNI-TREND TECHNOLOGY (CHINA) CO.,LTD.

UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. TEST REPORT SCOPE OF WORK FCC TESTING– UTx318M,UTx313M,UTx325M,UTx625M,UTx635M REPORT NUMBER 230911004SZN-001 ISSUE DATE [REVISED DATE] 14 November 2023 [--------------------] PAGES 53 DOCUMENT CONTROL NUMBER FCC SAR_b © 2017 INTERTEK Intertek Report No.: 230911004SZN-001 • This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to copy or distribute this report. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results referenced from this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. • The test report only allows to be revised only within the report defined retention period unless further standard or the requirement was noticed Intertek Testing Services Shenzhen Ltd. Longhua Branch 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community, GuanHu Subdistrict, LongHua District, ShenZhen, P.R. China Telephone: 86-755-8601 6288 Fax: 86-755-8601 6751 TRF No.: FCC SAR_b Page 1 of 53 SAR TEST REPORT For UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. Product Description: Thermal Monocular FCC ID: 2APMK-3841218M Model No.: UTx318M,UTx313M,UTx325M,UTx625M,UTx635M Report No.: 230911004SZN-001 Issue Date: 14 November 2023 Prepared and Checked by: Approved by: Allen Qin Engineer Damon Wang Team Leader 14 November 2023 Intertek Report No.: 230911004SZN-001 TRF No.: FCC SAR_b Page 2 of 53 Table of Contents 1. GENERAL INFORMATION ......................................................................................................................................... 3 2. STATEMENT OF COMPLIANCE ................................................................................................................................. 4 3. EQUIPMENT UNDER TEST (EUT) TECHNICAL DESCRIPTION ...................................................................................... 5 4. AUXILIARY EQUIPMENT DETAILS ............................................................................................................................. 6 5. TEST FACILITY .......................................................................................................................................................... 6 6. GUIDANCE STANDARD ............................................................................................................................................ 7 7. EUT ANTENNA LOCATIONS ...................................................................................................................................... 8 8. RF EXPOSURE ......................................................................................................................................................... 10 8.1 LIMITS ....................................................................................................................................................................... 10 8.2 EVALUATION ............................................................................................................................................................ 11 9. SPECIFIC ABSORPTION RATE (SAR) ......................................................................................................................... 12 9.1 INTRODUCTION ........................................................................................................................................................ 12 9.2 SAR DEFINITION ....................................................................................................................................................... 12 10. SAR MEASUREMENTS SYSTEM CONFIGURATION ................................................................................................... 13 10.1 SAR MEASUREMENT SET-UP ............................................................................................................................... 13 10.2 DASY5 E-FIELD PROBE SYSTEM ............................................................................................................................ 14 10.3 E-FIELD PROBE CALIBRATION .............................................................................................................................. 15 10.4 OTHER TEST EQUIPMENT .................................................................................................................................... 16 10.5 SCANNING PROCEDURE ...................................................................................................................................... 18 10.6 DATA STORAGE AND EVALUATION ..................................................................................................................... 21 10.7 TISSUE-EQUIVALENT LIQUID ............................................................................................................................... 23 10.8 SYSTEM CHECK .................................................................................................................................................... 24 11. MEASUREMENT PROCEDURES ............................................................................................................................... 26 11.1 GENERAL DESCRIPTION OF TEST PROCEDURES .................................................................................................. 26 11.2 MEASUREMENT VARIABILITY .............................................................…

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UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. TEST REPORT SCOPE OF WORK EMC TESTING–REFER TO PAGE 2 REPORT NUMBER 230815031GZU-001 ISSUE DATE [REVISED DATE] 14 November 2023 [---------------------] PAGES 67 DOCUMENT CONTROL NUMBER FCC ISED WIFI-c © 2021 INTERTEK TEST REPORT Room101/301/401/102/202/302/ 402/502/602/702/802, No. 7-2, Caipin Road, Huangpu District, Guangzhou, Guangdong, China Telephone: +86 20 8213 9688 Facsimile: +86 20 3205 7538 www.intertek.com.cn This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. Intertek Testing Services Shenzhen Ltd. Guangzhou Branch Room101/301/401/102/202/302/402/502/602/702/802, No. 7-2, Caipin Road, Huangpu District, Guangzhou, Guangdong, China Version: 14 December 2022 Page 2 of 67 FCC ISED WIFI-c Applicant Name & Address : UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. No 6, Gong Ye Bei 1 st Road, Songshan Lake National High-Tech Industrial Development Zone, Dongguan, Guangdong Province, China Manufacturing Site : Same as applicant Intertek Report No: FCC ID: : 230815031GZU-001 2APMK-3841218M Test standards 47 CFR PART 15 Subpart C: 2021 section 15.247 Sample Description Product : Thermal Monocular Model No. : UTx318M, UTx313M, UTx325M, UTx625M, UTx635M Electrical Rating : UT-M20 3.7V rechargeable Li-ion battery DC 5V Charging Serial No. : Not Labeled Date Received : 15 August 2023 Date Test Conducted : 04 September 2023-08 September 2023 Prepared and Checked By Dean Liu Project Engineer Approved By: Strong Yao Manager TEST REPORT Intertek Report No.: 230815031GZU-001 Version: 14 December 2022 Page 3 of 67 FCC ISED WIFI-c CONTENT TEST REPORT ........................................................................................................................... 1 CONTENT ............................................................................................................................. 3 1.0 TEST RESULT SUMMARY ............................................................................................ 4 2.0 GENERAL DESCRIPTION .............................................................................................. 5 2.1 PRODUCT DESCRIPTION ........................................................................................................ 5 2.2 RELATED SUBMITTAL(S) GRANTS ............................................................................................ 5 2.3 TEST METHODOLOGY ........................................................................................................... 6 2.4 TEST FACILITY ...................................................................................................................... 6 3.0 SYSTEM TEST CONFIGURATION .................................................................................. 6 3.1 JUSTIFICATION ..................................................................................................................... 6 3.2 EUT EXERCISING SOFTWARE.................................................................................................. 7 3.3 SPECIAL ACCESSORIES ........................................................................................................... 8 3.4 MEASUREMENT UNCERTAINTY ............................................................................................... 8 3.5 EQUIPMENT MODIFICATION .................................................................................................. 8 3.6 SUPPORT EQUIPMENT LIST AND DESCRIPTION .......................................................................... 9 4.0 MEASUREMENT RESULTS ......................................................................................... 10 4.1 ANTENNA REQUIREMENT .................................................................................................... 10 4.2 6 DB BANDWIDTH (DTS BANDWIDTH) .................................................................................. 11 4.3 DUTY CYCLE ...................................................................................................................... 18 4.4 MAXIMUM AVERAGE CONDUCTED OUTPUT POWER ................................................................ 22 4.5 PEAK POWER SPECTRAL DENSITY .......................................................................................... 24 4.6 OUT OF BAND CONDUCTED EMISSIONS ................................................................................. 31 4.7 OUT OF BAND RADIATED EMISSIONS .................................................................................... 41 4.8 RADIATED EMISSIONS IN RESTRICTED BANDS .......................................................................... 41 4.9 BAND EDGES REQUIREMENT ................................................................................................ 57 4.10 CONDUCTED EMISSION TEST ............................................................................................ 63 5.0 TEST EQUIPMENT LIST ............................................................................................. 66 TEST REPORT Intertek Report No.: 230815031GZU-001 Version: 14 December 2022 Page 4 of 67 FCC ISED WIFI-c 1.0 TEST RESULT SUMMARY Test Item Test Require…

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Confidential Data Project Name: UTx318M Supplier：MyAntenna RF Technology Co., Ltd ADD:Room 410, Building A, Fenghuang Zhigu, No. 50 Tiezi Road, Gongle Community, Xixiang Street, Baoan District, Shenzhen Author: 杨永成 Update: 2023-11-28 Antenna Test Report Index: 1.Overview 2.Revision History 3.Test Item &Equipment 4.Matching Circuit 5.S Parameter Test 6.Active Test 7.Conducted Emission Test 8.Environmental Processing Confidential Data 项目概况 OverView CUSTOMER NAME优利德PROJECT NAMEUTx318M ItemsDetails •FREQUENCY2400MHz-2500MHz •PROJECT TYPE •ANTENNA SPACE •FEED & GROUND PAD •SENSITIVE ELEMENTS •ANTENNA TYPE •PCB •OTHERS Confidential Data 日期(Date) 版本 (Revision) 负责人(Author)更改原因(Description of changes) 2023-11-28 A 杨永成天线初版报告 历史报告记录 Revision History Confidential Data ListTest ItemEquipment 1.S ParameterVSWR, Return LossAgilent VNA 2.Active Test TRP, TISAgilent 8960 RayZone1800 3.Passive TestGain, Efficiency, PatternAgilent E5071C Test Item & Equipment Confidential Data 2023-11-28 Matching Circuit Antenna RF Module E3E1 E2 ElementValue E1(0402)NC E2(0402)0 E3(0402)NC Confidential Data VSWR Confidential Data 无源数据（效率） Confidential Data 无源数据（增益） Confidential Data 无源数据（详细数据） Freq Gain（dBi）Efficiency（%） 24001.59 47.87 24101.73 51.55 24201.61 51.37 24301.61 52.73 24401.44 52.61 24501.22 52.05 24601.73 54.39 24702.31 55.91 24802.26 54.21 24902.27 54.20 25002.08 53.93 Confidential Data 3D 天线2D/3D方向图（2450MHz） H面 E1面 E2面 Confidential Data 尺寸图

Note: EUT is positioned at the center of the turntable to keep 3 m between the measurement antenna and EUT for the radiated emissions measurements Radiated Emission (30MHz-1000MHz) Radiated Emission (Above 1GHz) Conducted disturbance voltage at mains ports（150KHz-30MHz）