2BXZP-KCPP03701001PEPS

KESENSPowerTechnology(JIAXING)CO.,LTD (No.199Tainshuroad,Nanhudistrict,Jiaxing,Zhejiangprovince,China) U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Sep.3,26 Ref:AttestationStatement–Part2.911(d)(7)filing FCCID:2BXZP-KCPP03701001 [KESENSPowerTechnology(JIAXING)CO.,LTD](“theapplicant”)certifiesthat,asofthedate ofthefilingoftheapplication,[HOPEKCORPORATIONINC](“theagent”)isourdesignatedU.S. agentforserviceofprocessfortheabovereferenceFCCID.Theapplicantacceptstomaintainan agentforserviceofprocessintheUnitedStatesfornolessthanoneyearaftereitherthegrantee haspermanentlyterminatedallmarketingandimportationoftheapplicableequipmentwithinthe U.S.,ortheconclusionofanyCommission-relatedadministrativeorjudicialproceedinginvolvingthe equipment,whicheverislater.Theapplicantfurtheracknowledgesitisourresponsibilitytoinform theFCCwhenevertheagentinformationchanges. [HOPEKCORPORATIONINC]("theagent)understanditistheagent'sobligationtoacceptserviceof processintheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysical U.S.addressandemailaddress. DesignatedU.S.Agent CompanyName:HOPEKCORPORATIONINC FRN: 0034562900 GC:N/A Address: 16755CoyoteBushDrUnit84,SanDiego,CA92127UnitedStates Signature: ContactPerson:YangyangXu Tel:561-875-9826Email:[email protected] Applicant CompanyName:KESENSPowerTechnology(JIAXING)CO.,LTD Address:No.199Tainshuroad,Nanhudistrict, Jiaxing,Zhejiangprovince,China FRN:0038838371 Signature: ContactPerson:YueYueLiu Tel:15014066220 Email:[email protected]

(KESENS Power Technology (JIAXING) CO., LTD) (August 29, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BXZP-KCPP03701001) [KESENS Power Technology (JIAXING) CO., LTD] (“the applicant”) 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. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, (Applicant signature) (Applicant printed name) YueYue Liu (KESENS Power Technology (JIAXING) CO., LTD) (August 29, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BXZP-KCPP03701001) [KESENS Power Technology (JIAXING) 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 as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) YueYue Liu

KESENS Power Technology (JIAXING) CO., LTD Model Difference Data: August 29, 2026 Product description: PEPS Model name: KCPP037-01-001, F-77090000, F-77100000, F-64030000, F- 64040000, F-64050000, F-64060000 Trade Name: FCC ID: 2BXZP-KCPP03701001 All the model are the same circuit and RF module, only the model name are different. Regards Sincerely Client’s signature: Client’s name / title: YueYue Liu (Manager) Contact information / address: No. 199 Tainshu road, Nanhu district, Jiaxing, Zhejiang province, China

KESENS Power Technology (JIAXING) CO., LTD (August 29, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen DACE Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: YueYue Liu Title: Manager

KESENS Power Technology (JIAXING) CO., LTD (August 29, 2026) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (PEPS / KCPP037-01-001, F-77090000, F-77100000, F-64030000, F-64040000, F-64050000, F-64060000 / FCC ID: 2BXZP-KCPP03701001) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☒ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: YueYue Liu Title: Manager

External Appendix FCC ID: 2BXZP-KCPP03701001 Model: KCPP037-01-001

Label Location: PEPS Model: KCPP037-01-001 FCC ID: 2BXZP-KCPP03701001

KESENS Power Technology (JIAXING) CO., LTD FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BXZP-KCPP03701001 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), 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 level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength € (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 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength € (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density KESENS Power Technology (JIAXING) CO., LTD MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Mode Modes& Channe l Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW /cm2) Result BLE GFSK& LCH 2±1 3 1.9953 1.9953 (3dBi) 0.00079 1 Pass NFC 13.56 -23±1 1 0.0063 1.2589 (1dB) 0.000002 13.274 Pass NFC: Note: dbm=dbuv/m-95.2=68.46-95.2+4.7=-22.04dBm(EIRP), so the conduct peak power=-22.04-1=-23.04dBm BT+NFC supported simultaneous transmission: BT+NFC: ∑MPE Ratio =0.00079/1+0.000002/13.274=0.00079015≤1, So passed.

V1.0Report No.: DACE260811001RF001 102, Building H1, & 1/F., Building H, Hongfa Science & Technology Park, Tangtou Community, Shiyan Subdistrict, Bao'an District, Shenzhen, Guangdong, China Web: http://www.dace-lab.comTel: +86-755-23010613E-mail: [email protected] 1 of 68 RF TEST REPORT For KESENS Power Technology (JIAXING) CO., LTD Product Name: PEPS Test Model(s): KCPP037-01-001 Report Reference No.:DACE260811001RF001 FCC ID:2BXZP-KCPP03701001 Applicant’s Name: KESENS Power Technology (JIAXING) CO., LTD Address: No. 199 Tainshu road, Nanhu district, Jiaxing, Zhejiang province, China Testing Laboratory: Shenzhen DACE Testing Technology Co., Ltd. Address: 102, Building H1, & 1/F., Building H, Hongfa Science & Technology Park, Tangtou Community, Shiyan Subdistrict, Bao'an District, Shenzhen, Guangdong, China Test Specification Standard:47 CFR Part 15.247 Date of Receipt: August 11, 2026 Date of Test: August 11, 2026 to August 21, 2026 Date of Issue: August 21, 2026 Result:Pass Note: This report shall not be reproduced except in full, without the written approval of Shenzhen DACE Testing Technology Co., Ltd. This document may be altered or revised by Shenzhen DACE Testing Technology Co., Ltd. personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample V1.0Report No.: DACE260811001RF001 102, Building H1, & 1/F., Building H, Hongfa Science & Technology Park, Tangtou Community, Shiyan Subdistrict, Bao'an District, Shenzhen, Guangdong, China Web: http://www.dace-lab.comTel: +86-755-23010613E-mail: [email protected] 2 of 68 Apply for company information Applicant’s Name: KESENS Power Technology (JIAXING) CO., LTD Address: No. 199 Tainshu road, Nanhu district, Jiaxing, Zhejiang province, China Product Name: PEPS Test Model(s): KCPP037-01-001 Series Model(s): F-77090000, F-77100000, F-64030000, F-64040000, F-64050000, F- 64060000 Test Specification Standard(s): 47 CFR Part 15.247 NOTE1: The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Compiled by:Supervised by:Approved by: Lucy Mo / Test EngineerArron Liu / Project EngineerTom Chen / Manager August 21, 2026August 21, 2026August 21, 2026 V1.0Report No.: DACE260811001RF001 102, Building H1, & 1/F., Building H, Hongfa Science & Technology Park, Tangtou Community, Shiyan Subdistrict, Bao'an District, Shenzhen, Guangdong, China Web: http://www.dace-lab.comTel: +86-755-23010613E-mail: [email protected] 3 of 68 Revision History Of Report VersionDescriptionREPORT No.Issue Date V1.0OriginalDACE260811001RF001August 21, 2026 V1.0Report No.: DACE260811001RF001 102, Building H1, & 1/F., Building H, Hongfa Science & Technology Park, Tangtou Community, Shiyan Subdistrict, Bao'an District, Shenzhen, Guangdong, China Web: http://www.dace-lab.comTel: +86-755-23010613E-mail: [email protected] 4 of 68 CONTENTS 1 TEST SUMMARY...................................................................................................................................................6 1.1 TEST STANDARDS........................................................................................................................................6 1.2 SUMMARY OF TEST RESULT.........................................................................................................................6 2 GENERAL INFORMATION....................................................................................................................................7 2.1 CLIENT INFORMATION...................................................................................................................................7 2.2 DESCRIPTION OF DEVICE (EUT)...................................................................................................................7 2.3 DESCRIPTION OF TEST MODES.....................................................................................................................7 2.4 DESCRIPTION OF SUPPORT UNITS................................................................................................................7 2.5 OPERATION FREQUENCY EACH OF CHANNEL.................................................................................................8 2.6 EQUIPMENTS USED DURING THE TEST.........................................................................................................9 2.7 STATEMENT OF THE MEASUREMENT UNCERTAINTY.....................................................................................11 3 EVALUATION RESULTS (EVALUATION)...........................................................................................................12 3.1 ANTENNA REQUIREMENT............................................................................................................................12 3.1.1 Conclusion:................................................................................................................................12 4 RADIO SPECTRUM MATTER TEST RESULTS (RF).........................................................................................13 4.1 6DB BANDWIDTH.......................................................................................................................................13 4.1.1 E.U.T. Operation:........................................................................................................................13 4.1.2 Test Setup Diagram:...................................................................................................................13 4.1.3 Test Data:...................................................................................................................................14 4.2 MAXIMUM CONDUCTED OUTPUT POWER........…

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TEL：+86 0755-23073599FAX：+86 0755-23097189E-mail:[email protected] Shenzhen yunding communication electronics co., ltd SHENZHEN 客户 : 品 名 规 格 DESCRIPTION: 客 户 料 号 CUS PART NO. ： 日期 D A T E： 工 程 ENGINEERING DEPARTMENT 品 保 Q C DEPARTMENT 业 务 SALES DEPARTMENT 吴淑仪/Wu Shuyi刘丽/Liu Li王洪涛/Wang Hongtao 承認書 antenna -2.4G 2025.4.15 APPRO VAL KESENS Power Technology (JIAXING) CO., LTD 地 址 ADDRESS No. 199 Tainshu road, Nanhu district, Jiaxing, Zhejiang province, China TEL：+86 0755-23073599FAX：+86 0755-23097189E-mail:[email protected] 测试项目/ T est 1. 测试项目与设备/Test items and equipment items 1. S11参数 （S-parameter 设备/equipment ） 1.回波损耗 （Return Loss） 2.电压驻波比（VSWR） Network Analyzer:Agilent E5071B HP 8753D 2.有源测试 （Active） 1.发射功率 （TRP） 2.接收灵敏度（TIS） 1.Darkroom：ETS 7x4x3 m (3D) Chamber ETS 5x3x3 m (3D) Chamber 2. Comprehensive tester:Agilent 8960 E5515B ×2 StarPoint SP6011 3.无源测试 （Passive） 1.天线增益 （Gain）2.天线效 率 （Efficiency） 1.Darkroom:ETS 7x4x3 m (3D) Chamber ETS 5x3x3 m (3D) Chamber 2.Network Analyzer:Agilent E5071B HP 8753D 2.Matching circuit -BT antenna: TEL：+86 0755-23073599FAX：+86 0755-23097189E-mail:[email protected] 3. Antenna structure diagram: TEL：+86 0755-23073599FAX：+86 0755-23097189E-mail:[email protected] SHENZHEN 4.Network test chart: SWR TE L : + 8 6 0 7 5 5 - 2 3 0 7 3 5 99 FAX : + 8 6 0 7 5 5 - 2 3 0 9 7 1 8 9 E - m a i l w h t 08 0 9 @ 1 63 . co m 5 . A n t enn a e ffi c i e n c y a n d g a i n P a s s i v e T e s t F or W IF I D HI S F r e q E f fi E f fi G a i n G a i n UHIS M a x M i n A tt enu t A t t e n u t ( M H z ) ( % ) ( d B ) ( d B i ) ( d B d ) ( % ) ( % ) ( d B ) ( d B ) H o r V e r 2 . 5 7 47 . 9 4 2 400 5 0 . 95 - 2 . 9 3 0 . 4 2 22 . 90 6 28 . 0 4 7 2 . 57 - 2 3 . 4 3 4 8 . 0 9 2 . 4 8 2410 5 0 . 3 5 47 . 87 - 2 . 9 8 0 . 3 3 2 3 . 5 85 26 . 76 1 2 . 4 8 - 24 . 0 2 4 8 . 0 7 2420 5 1 . 2 1 - 2 . 9 1 0 . 3 3 .00 1 25 . 1 7 26 . 0 4 5 2 . 4 6 - 26 . 2 48 . 1 8 4 8 53 . 8 8 47 . 9 9 2 . 59 0 . 4 4 2 . 59 243 0 - 2 . 6 9 27 . 509 26 . 3 73 - 27 . 3 8 48 . 17 2440 5 6 . 8 7 2 . 7 6 2 9 . 6 7 2 . 7 6 - 2 . 4 5 0 . 6 1 2 7 . 2 0 4 - 26 . 1 6 4 8 . 3 3 4 8 . 11 28 . 31 7 59 . 4 7 - 2 . 26 2 . 8 3 2 . 8 3 - 2 7 . 7 9 2450 0 . 6 8 31 . 157 48 . 4 4 48 . 14 24 60 60 . 0 2 - 2 . 2 2 2 . 7 3 0 . 5 8 31 . 3 5 4 28 . 66 8 2 . 7 3 - 26 . 5 6 4 8 . 4 1 4 8 . 06 24 7 0 60 . 2 3 - 2 . 2 2 . 6 3 0 . 4 8 31 . 5 0 1 28 . 732 | 2 . 63 - 25 . 3 9 4 8 . 4 9 4 8 . 1 1 4 8 . 1 8 28 . 65 3 6 0 . 9 7 2 . 6 2 0 . 4 7 2 . 62 2480 - 2 . 15 3 2 . 3 1 5 - 23 . 7 3 48 . 63 24 90 62 . 9 3 - 2 . 0 1 2 . 7 1 0 . 5 6 3 4 . 13 1 28 . 803 2 . 71 - 22 . 9 3 48 . 7 6 48 . 2 9 2 . 7 9 63 . 4 7 2 . 7 9 35 . 2 2 28 . 2 4 8 48 . 1 6 2 5 00 - 1 . 9 7 0 . 6 4 - 22 . 0 5 4 8 . 6 9 P a ss i ve T e s t F o r D 5 E ff i E ffi G a i n G a i n UHIS D H I S M ax M i n F re q A tt e n u t A t t e n u t ( M H z )( d B i ) ( % ) ( d B ) ( % ) ( % ) ( d B ) ( d B ) ( d B d ) H o r V e r 5 7 . 0 6 51 0 0 58 . 7 8 - 2 . 3 1 2 . 5 6 1 . 4 1 2 9 . 51 4 29 . 26 7 2 . 5 6 5 7 . 9 5 - 1 2 . 1 4 57 . 4 2 . 3 3 1 . 1 8 2 . 33 515 0 - 2 . 4 1 28 . 84 2 8 . 5 6 2 - 1 3 . 21 5 7 . 9 1 57 . 1 9 5 8 . 3 4 - 2 . 3 4 3 0 . 85 28 . 7 05 2 9 . 63 7 3 - 1 3 . 5 5 6 . 8 3 52 00 57 . 55 52 5 0 6 6 . 3 7 - 1 . 7 8 2 . 3 1 . 15 32 . 3 1 5 3 4 . 05 4 2 . 3 - 1 6 . 5 3 57 . 72 5 6 . 9 1 53 00 - 2 . 0 7 2 . 8 29 . 85 3 32 . 25 2 2 . 8 - 1 6 . 9 7 57 . 16 56 . 3 2 6 2 . 1 0 . 65 6 6 2 . 6 1 3 1 . 1 9 3 3 4 . 8 0 7 2 . 6 1 - 1 3 . 5 8 57 . 6 1 5 6 . 8 1 5350 - 1 . 8 0 . 46 5400 6 2 . 43 - 1 . 4 2 . 4 0 . 2 5 3 3 . 88 1 38 . 55 3 2 . 4 - 1 0 . 9 5 58 . 3 2 57 . 4 8 58 . 6 3 - 1 . 7 36 . 16 2 2 . 2 7 2 . 27 - 1 0 . 3 8 5450 0 . 1 2 3 1 . 4 67 58 . 49 57 . 4 1 5500 - 2 . 3 1 2 . 0 1 2 7 . 0 6 4 31 . 628 | 2 . 01 - 1 0 . 4 4 5 8 . 9 1 58 . 69 - 0 . 14 57 . 66 2 . 8 555 0 61 . 4 5 - 2 . 1 2 0 . 6 5 28 . 7 1 8 32 . 72 7 2 . 8 | - 10 . 1 4 5 9 . 82 58 . 58 5 6 00 0 . 9 7 33 . 1 1 9 3 . 0 2 31 . 2 34 - 1 0 . 2 3 . 00 9 64 . 35 - 1 . 9159 . 5158 . 82 2 . 8 7 565 0 1 . 7 2 62 . 1 6 2 . 8 7 35 . 9 7 4 36 . 1 8 4 - 1 0 . 44 6 0 . 1 59 . 5 - 1 . 4 2 1 . 88 5 7 00 59 . 7 4 - 0 . 9 8 3 . 4 0 . 0 8 9 3 00 9 . 65 3 3 . 0 3 - 9 . 3 8 6 0 . 5 4 5 9 . 9 3 5 4 . 03 - 0 . 7 6 2 . 7 7 1 . 62 2 . 7 7 - 9 . 8 5 7 5 0 4 1 . 682 42 . 35 6 0 . 8 6 6 0 . 3 1 2 . 8 585 0 2 1 . 6 7 41 . 05 2 . 8 2 - 0 . 7 4 5 4 . 41 4 3 . 3 6 4 - 1 3 . 1 9 6 1 . 1 4 TEL：+86 0755-23073599FAX：+86 0755-23097189E-mail:[email protected] 电 性 能 指 标 Electrical Specifications 频率范围 2400~2500 Frequency Range 2400~2500 电压驻波比 ≤2.0 VSWR ≤2.0 输入阻抗 50 ΩInput Impedance50 Ω 增益 3.00dBi Gain 3.00dBi 最大输入功率 50WMaximum Input Power 50W 机 械 指 标 Mechanical Specifications 工作温度 -40°C~+85°C Working Temperature -40°C~+85°C 工作湿度 20~80%Working Humidity20~80%

Setup Appendix FCC ID: 2BXZP-KCPP03701001 Model: KCPP037-01-001