2BCJV-LA50Wireless Streaming Amplifier

RAKOIT TECHNOLOGY(SZ) CO., LTD. Covered Equipment Certification Attestation Letter 2025-12-29 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID:2BCJV-LA50 RAKOIT TECHNOLOGY(SZ) 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. RAKOIT TECHNOLOGY(SZ) 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. RAKOIT TECHNOLOGY(SZ) CO., LTD. (“the applicant”) 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-24-886andKDB986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: Simon Wong Title: Sales Director Company Name: RAKOIT TECHNOLOGY(SZ) CO., LTD. Address: Fl.13th, Bldg.2B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan, Shenzhen, China Phone: +86-13510316302 E-Mail: [email protected] Date: 2025-12-29

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process : Company Name: FCC US Agent, LLC FRN: 0033402884 Contact Name: Tim Payne Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Telephone No: 708-571-3148 Email: [email protected] Applicant: Company name: RAKOIT TECHNOLOGY(SZ) CO., LTD. Product Description: Wireless Streaming Amplifier Grantee code: 2BCJV FCC ID: 2BCJV-LA50 FRN：0034136127 Contact Name: Simon Wong Address: Fl.13th, Bldg.2B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan, Shenzhen, China Telephone No: +86-13510316302 Email: [email protected] RAKOIT TECHNOLOGY(SZ) CO., LTD. certifies that, as of the date of this filing of the application with the TCB, [FCC US Agent, LLC] is our designated US agent for service of process for the above referenced FCC ID. RAKOIT TECHNOLOGY(SZ) CO., LTD. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any commission related proceeding involving equipment. [FCC US Agent, LLC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2025-12-29 Applicant’s Name: Simon Wong US Agent’s Name: Tim Payne Title: Sales DirectorTitle: Manager Signature ： Signature

RAKOIT TECHNOLOGY(SZ) CO., LTD. 2025-12-29 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appoint Damon Hu, Guangdong Dongdian Testing Service Co.,Ltd.( Unit 2, Building 1, No.17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808) , to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in FCC regulations will have affixed to it a label identical to that submitted for approval with this application. In signing this letter, Applicant certifies that neither the applicant nor any party to the application is not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko North America Inc., still resides still resides with us. Sincerely, Printed name: Simon Wong Title: Sales Director Company Name: RAKOIT TECHNOLOGY(SZ) CO., LTD. Address: Fl.13th, Bldg.2B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan, Shenzhen, China Phone: +86-13510316302 E-Mail: [email protected] Date: 2025-12-29

RAKOIT TECHNOLOGY(SZ) CO., LTD. 2025-12-29 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY – FCC FCC ID: 2BCJV-LA50 Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920 , we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of180days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence beforethe requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. ExhibitType of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos------------------ ☒ Short Term Internal Photos ☐ Permanent* ☒ Short Term Operation Description ☒ Permanent ☐Short Term Parts List & Placement/BOM ☐ Permanent ☐ Short Term Tune-Up Procedure ☐ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐Short Term Test Setup Photos------------------ ☒ Short Term User’s Manual ☐Permanent* ☒ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731and review section II, 3) regarding specific information that must accompany these requests. Note:any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed : Printed name: Simon Wong Title: Sales Director Company Name: RAKOIT TECHNOLOGY(SZ) CO., LTD. Address: Fl.13th, Bldg.2B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan, Shenzhen, China Phone: +86-13510316302 E-Mail: [email protected] Date: 2025-12-29

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E05 TRF No.: RT-4-E-006Page 1 of 7 RF EXPOSURE REPORT Applicant : RAKOIT TECHNOLOGY(SZ) CO., LTD. Address of Applicant : Floor 13th, Building 2 Block B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province 518000, P.R.China Manufacturer : RAKOIT TECHNOLOGY(SZ) CO., LTD. Address of Manufacturer : Floor 13th, Building 2 Block B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province 518000, P.R.China Equipment under Test : Wireless Streaming Amplifier Model No. : LA50 FCC ID : 2BCJV-LA50 Test Standard(s) : KDB447498 D01 General RF Exposure Guidance v06 Report No. : DDT-RE25081404-1E05 Issue Date : 2026/01/08 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E05 TRF No.: RT-4-E-006Page 2 of 7 Table of Contents 1.General Test Information..............................................................................................5 1.1.Description of EUT .......................................................................................................5 1.2.Accessories of EUT......................................................................................................5 1.3.Test laboratory .............................................................................................................5 2.RF Exposure evaluation for FCC .................................................................................6 2.1.Assessment procedure.................................................................................................6 2.2.Assess result ................................................................................................................7 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E05 TRF:RT-4-E-006Page 3 of 7 $!CeMetaLims!digital$ Test Report Declare Applicant : RAKOIT TECHNOLOGY(SZ) CO., LTD. Address of Applicant : Floor 13th, Building 2 Block B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province 518000, P.R.China Equipment under Test : Wireless Streaming Amplifier Model No. : LA50 Manufacturer : RAKOIT TECHNOLOGY(SZ) CO., LTD. Address of Manufacturer : Floor 13th, Building 2 Block B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province 518000, P.R.China Test Standard Used: KDB447498 D01 General RF Exposure Guidance v06 We Declare: The equipment described above is tested by Guangdong Dongdian Testing Service Co., Ltd. and in the configuration tested the equipment complied with the standards specified above. The test results are contained in this test report and Guangdong Dongdian Testing Service Co., Ltd. is assumed of full responsibility for the accuracy and completeness of these tests. Report No.:DDT-RE25081404-1E05 Date of Receipt:2025/08/22Date of Test:2025/08/22~2025/12/24 Note: This report applies to above tested sample only. This report shall not be reproduced in parts without written approval of Guangdong Dongdian Testing Service Co., Ltd. Created: Johnson HuangReviewed: Tiger MoApproved: Damon Hu 2025/12/242026/01/082026/01/08 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E05 TRF:RT-4-E-006Page 4 of 7 Revision History VersionRevision ContentIssue DateApproved V0Initial issue2026/01/08Damon Hu Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E05 TRF:RT-4-E-006Page 5 of 7 1. General Test Information 1.1. Description of EUT EUT Name:Wireless Streaming Amplifier Model Number:LA50 Difference of model number:/ EUT Function Description:Please reference user manual of this device Power Supply: DC 24.0V4.16A 99.84W Note: The above EUT information is declared by manufacturer and for more detailed features description please refer to the manufacturer's specifications or User's Manual. 1.2. Accessories of EUT AccessoriesManufacturerModel numberDescription //// 1.3. Test laboratory Guangdong Dongdian Testing Service Co., Ltd. Add.: Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808. Tel.: +86-0769-38826678, http://www.dgddt.com, Email: [email protected]. CNAS Accreditation No. L6451; A2LA Accreditation Number: 3870.01 FCC Designation Number: CN1182, Test Firm Registration Number: 540522 Innovation, Science and Economic Development Canada Site Registration Number: 10288A Conformity Assessment Body identifier: CN0048 VCCI facility registration number: C-20087, T-20088, R-20123, R-20240, G-20118 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E05 TRF:RT-4-E-006Page 6 of 7 2. RF Exposure evaluation for FCC 2.1. Assessment procedure Requirement: Systems operating under the provisions of FCC 47 CFR 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. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as mobile device whereby a distance of 0.2 m normally can be maintained between the user and the device, and below RF Permissible Exposure limit shall comply with. Limits for General Population/Uncontrolled Exposure Frequency Range （MHz） Electric Field Strength (E) (V/m) Magnetic FieldStrength (H) （A/m） Power Density (S) （mW/cm 2 ） Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.346141.63(100)*30 1.34-30824/f2.19/f(180/f)*30 30-30027.50.0730.230 300-1500 F/150030 1500-100000 1.030 Note: f= frequency in MHz; *Plane-wave equivalent power density Calculation method From the peak EUT RF output power, the minimum mobile separation distance, d=0.2 m, as well as the gain of the used antenna, the RF power density can be obtained. Guangdong Dongdian Testing S…

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深圳市凯普深通讯科技有限公司 深圳市凯普深通讯科技有限公司 Shenzhen Cap Shenzhen Communication Technology Co., Ltd 样品承认书 Sample Recognition Letter 客户名称Customer name： 瑞扩科技Ruikuo Technology 项目名称Project name： LP10 样品名称Sample Name：BT天线BT Antenna 颜色/版本Color/version:黑色/A Black/A 签样日期Signature date：2024/10/10 供方确认 Supplier confirms 制作make研发R&D结构structure品质quality 沈国琴 2024.10.10 客户确认 Customer confirmation 项目project外观Appearance结构structure品质quality 结论conclusion □ 批量使用 MPUse MP in bulk □ 限量使用 Limited use （） K □ ROHS 供方名称: 深圳市凯普深通讯科技有限公司 Supplier name: Shenzhen Kaipu Shenzhen Communication Technology Co., Ltd 供方地址: 深圳市龙华新区龙观大道440号龙城工业区御龙办公楼2楼 Supplier address: 2nd floor, Yulong Office Building, Longcheng Industrial Zone, No. 440 Longguan Avenue, Longhua New District, Shenzhen 电话Phone: 0755-29351613 传真fax:0755-29351510 E-mail:[email protected] 此文件中所包含的一切信息版权归深圳市凯普深 通讯科技有限公司所有，在未得到深圳市凯普深通讯科技有限公司的书面许可下，请勿散播给任何第三方。 深圳市凯普深通讯科技有限公司 目 录Table of Contents 1、 封面cover 2、 目录directory 3、 天线结构图Antenna structure diagram 4、 天线数据Antenna data 5、 全尺寸测量报告Full-scale measurement reports 6、 盐雾测试报告Salt spray test report 7 、 高低温测试 High and low temperature testing 8、包装方式Packing method 此文件中所包含的一切信息版权归深圳市凯普深 通讯科技有限公司所有，在未得到深圳市凯普深通讯科技有限公司的书面许可下，请勿散播给任何第三方。 深圳市凯普深天线科技有限公司 4.1 天线性能Antenna performance 4.1-1 规格标准Specification standard 主天线 工作频段在2400M--2480M 产生谐振。 The main antenna works in the frequency band 2400M--2480M to generate resonance. 4.1-2 天线的匹配电路.Matching circuit of the antenna. GSM：匹配电路如下： GSM: The matching circuit is as follows 天 线 无 源 效 率Antenna passive efficiency 此文件中所包含的一切信息版权归深圳市凯普深 通讯科技有限公司所有，在未得到深圳市凯普深通讯科技有限公司的书面许可下，请勿散播 给任何第三方。 深圳市凯普深天线科技有限公司 天 线 驻 波Antenna standing wave 无 源 方 向 图Passive directional diagram 此文件中所包含的一切信息版权归深圳市凯普深 通讯科技有限公司所有，在未得到深圳市凯普深通讯科技有限公司的书面许可下，请勿散播 给任何第三方。 深圳市凯普深天线科技有限公司 . 此文件中所包含的一切信息版权归深圳市凯普深 通讯科技有限公司所有，在未得到深圳市凯普深通讯科技有限公司的书面许可下，请勿散播 给任何第三方。 深圳市凯普深天线科技有限公司 3.1： 天线结构图Antenna structure diagram 此文件中所包含的一切信息版权归深圳市凯普深 通讯科技有限公司所有，在未得到深圳市凯普深通讯科技有限公司的书面许可下，请勿散播给任何第三方。 深圳市凯普深通讯科技有限公司 全尺寸测量报告 客户 client 瑞扩科技 Ruikuo Technology 项目名称Measurement tools ... LP10 材 料 materials 电解铜 Electrolytic copper 供应商 vendor 凯普深 Cape Deep 测量工具 Measurement tools 二次元Two-dimensional 测量单位Units of measurement MM 测量日期 Date of measurement 2024/9/26 N O . 尺寸size 上限 upper limit + TOL.- TOL. 下限 lower limit 实测Measured 1 实测Measured 2 实测Measured 3 实测Measured 4 实测Measured 5 实测Measured 6 UPPER≦100%LOWER≦100% 1 37.60 37.70 0.10 0.10 37.5037.66 37.63 37.58 37.62 37.62 37.60 60%20% 2 16.20 16.30 0.10 0.10 16.1016.18 16.22 16.21 16.21 16.19 16.19 20%20% 3 120.00 121.00 1.00 1.00 119.00120.00 120.00 120.50 120.20 120.00 120.00 50%0% 4 5 6 制表：何野Tabulation: He Ye审核:巫星托Review: Wu Xingtuo 此文件中所包含的一切信息版权归深圳市凯普深 通讯科技有限公司所有，在未得到深圳市凯普深通讯科技有限公司的书面许可下，请勿散播给任何第三方。 深圳市凯普深通讯科技有限公司 盐雾测试报告 日期：2024 年 09 月 26日Date: 2024-09-26 项目projectLP10-FPC 客户名称 Customer name 瑞扩科技Ruikuo Technology 供应商vendor 凯普深通讯Cap Deep Communications 国家测试标准 National testing standards GB/T 2423.2-2008 试样情况Sample situation 试样数量Number of specimens：5PCS 试验时间Test time 共计 A total of 24 h 试验类型： Test Type: ■ NSS□ ASS□ CASS 试验条件Test Conditions 盐溶液Saline solution：5% PH:7.0 箱内温度Temperature inside the box：35°C 相对湿度relative humidity：85% 喷雾方式Spray method： ■ 连续Spray continuously □ 间歇intermission 压缩空气压力Compressed air pressure：1kg/cm² 盐雾沉降率Salt spray sedimentation rate：1- 2ml/80cm2/h 雾液收集Fog liquid collection：1.4ml/80cm2/h 试验周期：__1__个循环 Test period: __1__ cycles 喷雾时间Spray time：24 h 试验结果 Test results 试验后的外观：外观完整无损，无明显变化。Appearance after test: The appearance is intact and undamaged, with no obvious changes. 镀层：无剥落、无锈蚀 Plating: no peeling, no rust 表面喷涂、丝印：无脱落、无气泡。Surface spraying, silk screen printing: no peeling, no bubbles. 说明： 1、盐雾试验作业标准依照中华人民共和国国家标准GB/T2423.17-2008执行 2、试件结果判定标准依照中华人民共和国国家标准GB/T6461-02执行Table description: 1. The salt spray test operation standard shall be implemented in accordance with the national standard of the People's Republic of China GB/T2423.17-2008 2. The test result judgment standard shall be implemented in accordance with the national standard GB/T6461-02 of the People's Republic of China 试验员/日期：何野Tester/Date: He Ye 审核/日期：巫星托Review/Date: Wu Xingtuo 此文件中所包含的一切信息版权归深圳市凯普深 通讯科技有限公司所有，在未得到深圳市凯普深通讯科技有限公司的书面许可下，请勿散播给任何第三方。 深圳市凯普深通讯科技有限公司 包装方式（ Packing ） 客户名称 Customer name： 瑞扩科技Ruikuo Technology 物料名称Item name： LP10-FPC antenna 包装数量Package quantity： 1 case 包装材料 Packaging materials： 纸箱carton 装箱数量Quantity of boxes： 包装方式Packing method： 封口袋包装Sealed bag packaging Figure 1: Single piece packaging Figure 2: Single piece packaging Figure 3: Box view (front, side, top) Figure 4: Outer carton label 拟制：李明慧Draft: Li Minghui审核：巫星托Review: Wu Xingtuo 图一 图二 图四 图三 顶部 侧面 正面 此文件中所包含的一切信息版权归深圳市凯普深 通讯科技有限公司所有，在未得到深圳市凯普深通讯科技有限公司的书面许可下，请勿散播给任何第三方。

Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF: RT-4-E-005Page 1 of 275 RADIO TEST REPORT Applicant : RAKOIT TECHNOLOGY(SZ) CO., LTD. Address of Applicant : Floor 13th, Building 2 Block B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province 518000, P.R.China Manufacturer : RAKOIT TECHNOLOGY(SZ) CO., LTD. Address of Manufacturer : Floor 13th, Building 2 Block B, Baiwang R&D Building, Baimang Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province 518000, P.R.China Equipment under Test : Wireless Streaming Amplifier Model No. : LA50 FCC ID : 2BCJV-LA50 IC : 30908-LA50 Test Standard(s) : 47 CFR Part 15 Subpart E, ANSI C63.10-2020, RSS-247 Issue 4 July 24, 2025, RSS-Gen Issue 5, Apr. 2018, Amendment 2 (February 2021), ANSI C63.10-2020+Cor.1-2023+C63.10a- 2024+Errata to C63.10a-2024, 789033 D02 General U-NII Test Procedures New Rules v02r01, 662911 D01 Multiple Transmitter Output v02r01 Report No. : DDT-RE25081404-1E04 Issue Date : 2026/01/19 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF: RT-4-E-005Page 2 of 275 Table of Contents 1.Summary of Test Results .............................................................................................7 2.General Test Information..............................................................................................8 2.1.Description of EUT .......................................................................................................8 2.2.Accessories of EUT......................................................................................................9 2.3.Block diagram of EUT configuration for test.................................................................9 2.4.Decision of final test mode ...........................................................................................9 2.5.Deviations of test standard.........................................................................................12 2.6.Test environment conditions ......................................................................................12 2.7.Test laboratory ...........................................................................................................12 2.8.Measurement uncertainty...........................................................................................13 3.Equipment Used During Conductive Test ..................................................................14 4.26dB Bandwidth .........................................................................................................15 4.1.Block diagram of test setup ........................................................................................15 4.2.Limits ..........................................................................................................................15 4.3.Test procedure ...........................................................................................................15 4.4.Test result...................................................................................................................16 4.5.Test graphs ................................................................................................................18 5.6dB Bandwidth ...........................................................................................................40 5.1.Block diagram of test setup ........................................................................................40 5.2.Limits ..........................................................................................................................40 5.3.Test procedure ...........................................................................................................40 5.4.Test result B4 .............................................................................................................41 5.5.Test graphs B4 ...........................................................................................................42 6.99% Bandwidth ..........................................................................................................50 6.1.Block diagram of test setup ........................................................................................50 6.2.Limits ..........................................................................................................................50 6.3.Test procedure ...........................................................................................................50 6.4.Test result...................................................................................................................51 6.5.Test graphs ................................................................................................................53 7.Duty Cycle ..................................................................................................................76 7.1.Block diagram of test setup ........................................................................................76 7.2.Limit............................................................................................................................76 7.3.Test procedure ...........................................................................................................76 7.4.Test result...................................................................................................................77 7.5.Test graphs ................................................................................................................79 8.Maximum Output Power...........................................................................................102 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF: RT-4-E-005Page 3 of 275 …

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 41 of 275 5.4. Test result B4 Test Engineer:Wayne HuangTest Site:RF Measurement System 4# Ambient Condition: 25.2°C,45.7%RH Test Date:2025.11.12-2025.11.16 Test Power Supply: AC 120V/60HzSample Number:S25081404-002 Test ModeAntennaFrequency[MHz]6db EBW [MHz]FL[MHz]FH[MHz]Limit[MHz] Verdic t 574515.125737.365752.480.5PASS 578515.125777.365792.480.5PASS11AAnt1 582515.125817.405832.520.5PASS 574515.085737.405752.480.5PASS 578515.085777.405792.480.5PASS11N20SISOAnt1 582515.125817.405832.520.5PASS 575535.125737.405772.520.5PASS 11N40SISOAnt1 579535.125777.405812.520.5PASS 574515.125737.405752.520.5PASS 578515.125777.405792.520.5PASS 11AC20SIS O Ant1 582515.125817.405832.520.5PASS 575535.125737.405772.520.5PASS 11AC40SIS O Ant1 579535.125777.405812.520.5PASS 11AC80SIS O Ant1577576.485736.765813.240.5PASS Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 42 of 275 Test ModeAntennaFrequency[MHz]6db EBW [MHz]FL[MHz]FH[MHz]Limit[MHz]Verdict 572015.125712.365727.48------ 5720_UNII-2C12.645712.365725------ 11AAnt1 5720_UNII-32.4857255727.480.5PASS 572015.165712.365727.52------ 5720_UNII-2C12.645712.365725------ 11N20SISOAnt1 5720_UNII-32.5257255727.520.5PASS 571035.125692.405727.52------ 5710_UNII-2C32.65692.405725------ 11N40SISOAnt1 5710_UNII-32.5257255727.520.5PASS 572015.125712.365727.48------ 5720_UNII-2C12.645712.365725------ 11AC20SISOAnt1 5720_UNII-32.4857255727.480.5PASS 571035.125692.405727.52------ 5710_UNII-2C32.65692.405725------ 11AC40SISOAnt1 5710_UNII-32.5257255727.520.5PASS 569076.485651.765728.24------ 5690_UNII-2C73.245651.765725------ 11AC80SISOAnt1 5690_UNII-33.2457255728.240.5PASS 5.5. Test graphs B4 11A_Ant1_5745 11A_Ant1_5785 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 43 of 275 11A_Ant1_5825 11N20SISO_Ant1_5745 11N20SISO_Ant1_5785 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 44 of 275 11N20SISO_Ant1_5825 11N40SISO_Ant1_5755 11N40SISO_Ant1_5795 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 45 of 275 11AC20SISO_Ant1_5745 11AC20SISO_Ant1_5785 11AC20SISO_Ant1_5825 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 46 of 275 11AC40SISO_Ant1_5755 11AC40SISO_Ant1_5795 11AC80SISO_Ant1_5775 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 47 of 275 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 48 of 275 11A_Ant1_5720 11N20SISO_Ant1_5720 11N40SISO_Ant1_5710 11AC20SISO_Ant1_5720 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 49 of 275 11AC40SISO_Ant1_5710 11AC80SISO_Ant1_5690 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 50 of 275 6. 99% Bandwidth 6.1. Block diagram of test setup 6.2. Limits Just for Report. 6.3. Test procedure (1) Connect EUT’s antenna output to spectrum analyzer by RF cable. Center FrequencyThe center frequency of the channel under test DetectorPeak RBW 1% to 5% of the OBW VBWapproximately three times the RBW TraceMax hold Use the 99% power bandwidth function of the instrument (if available) and report the measured bandwidth. Appendix A2: Occupied channel bandwidth Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25081404-1E04 TRF:RT-4-E-005Page 51 of 275 6.4. Test result Test Engineer:Wayne HuangTest Site:RF Measurement System 4# Ambient Condition: 25.2°C,45.7%RH Test Date:2025.11.12-2025.11.16 Test Power Supply: AC 120V/60HzSample Number:S25081404-002 Test ModeAntennaFrequency[MHz]OCB [MHz]FL[MHz]FH[MHz]Limit[MHz] Verdic t 518017.5825171.06985188.6514------ 520017.2655191.23005208.4955------ 524017.3115231.21455248.5254------ 526017.5025251.01605268.5184------ 528017.4605271.05265288.5129------ 532017.5495310.94245328.4919------ 550017.4595491.16195508.6206------ 558017.6125570.89925588.5107------ 570017.5295690.98645708.5154------ 574517.5315735.94405753.4752------ 578517.4935775.97125793.4637------ 11AAnt1 582517.3455816.14235833.4870------ 518018.2765170.80105189.0767------ 520018.1285190.85945208.9869------ 524018.3735230.63685249.0100------ 526018.2655250.70055268.9657------ 528018.3595270.63275288.9917------ 532018.2685310.67905328.9465------ 550018.3295490.70715509.0361------ 558018.6155570.38325588.9982------ 570018.3385690.67255709.0110------ 574518.1515735.78395753.9354------ 578518.1805775.74005793.9199------ 11N20SISOAnt1 582518.2435815.73435833.9777------ 519036.2495171.91095208.1599------ 523036.4455211.73435248.1797------ 527036.4365251.66035288.0963------ 531036.3165291.64525327.9610------ 551036.3005491.84545528.1451------ 555036.4075531.76675568.1734------ 567036.4155651.74605688.1615------ 575536.5255736.59685773.1213------ 11N40SISOAnt1 579536.4395776.64995813.0888------ 518018.4985170.66385189.1617------ 520018.2955190.74295209.0378------ 524018.3345230.75395249.0876------ 526018.3095250.68965268.9985------ 528018.6145270.42185289.0360------ 532018.8065310.22215329.0279------ 550018.6465490.46095509.1064------ 558018.5105570.61125589.1215------ 570018.4085690.62695709.0348------ 574518.5295735.44865753.9780------ 578518.2725775.72175793.9936------ 11AC20SIS O Ant1 582518.5525815.53655834.…

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