2BS2C-HJ-6801Robot Vacuum Cleaner

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: Companyname:HOPEKCORPORATIONINC FRN:0034562900 ContactName:PeterDavis Address:16755CoyoteBushDrUnit84,SanDiego,CA92127UnitedStates TelephoneNo:561-235-6113 Email:[email protected] Applicant: Companyname:NingboHaojiaElectricalApplianceCo.,Ltd. GranteeCode:2BS2C FCCID:2BS2C-HJ-6801 FRN:0037636289 ContactName:FuTingxiang Address:No.58,JiyixiangRoad,LangxiaStreet,YuyaoCityZhejiang,China TelephoneNo:13662916755 FaxNo:86-574-62196887 Email:[email protected] NingboHaojiaElectricalApplianceCo.,Ltd.certifiesthat,asofthedateofthisfilingofthe applicationwiththeTCB,[HOPEKCORPORATIONINC]isourdesignatedUSagentforservice ofprocessfortheabovereferencedFCCID.NingboHaojiaElectricalApplianceCo.,Ltd. acceptstomaintainanagentfornolessthanoneyearafterthegranteehasterminatedall marketingandimportationortheconclusionofanycommissionrelatedproceedinginvolving equipment.[HOPEKCORPORATIONINC]accepts,asofthedateofthefilingoftheapplication, theobligationofthedesignatedUSagentforserviceofprocessfortheabovereferenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,and clause§2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2025-11-24 Applicant’sName:FuTingxiangUSAgent’sName:PeterDavis Title:Hardware Engineer Title:Manager Signature:Signature:

Ningbo Haojia Electrical Appliance Co., Ltd Difference Description We Ningbo Haojia Electrical Appliance Co., Ltd state: Product name: Robot Vacuum Cleaner Model(s): HJ-6801, HJ-6801A, HJ-6802, HJ-6802A, HJ-6803, HJ-6803A, HJ-6804, HJ-6804A, H-6805, H-6805A, HJ-6806, HJ-6806A, HJ-6807, HJ-6807A All the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model name. Signature: November 24, 2025 Name: Fu Tingxiang Position: Hardware Engineer Company Name: Ningbo Haojia Electrical Appliance Co., Ltd. Address: No.58, Jiyixiang Road, Langxia Street, Yuyao City Zhejiang, China Tel: 13662916755 Fax: 86-574-62196887 Email: [email protected]

Ningbo Haojia Electrical Appliance Co., Ltd 11/24/2025 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR Product Name: Robot Vacuum Cleaner FCC ID: 2BS2C-HJ-6801 Model(s): HJ-6801 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 (Schematic Diagram, Block Diagram, Operational Description, Software Security Requirements For U-NII Devices) required to be submitted with this application be permanently withheld from public review. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market Please contact me if there is any information you may need. Sincerely, Signature: November 24, 2025 Name Fu Tingxiang Position Hardware Engineer Company Name Ningbo Haojia Electrical Appliance Co., Ltd. Address No.58, Jiyixiang Road, Langxia Street, Yuyao City Zhejiang, China Tel 13662916755 Fax 86-574-62196887 Email [email protected]

Ningbo Haojia Electrical Appliance Co., Ltd 11/24/2025 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 PSI Testing 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: November 24, 2025 Name Fu Tingxiang Position Hardware Engineer Company Name Ningbo Haojia Electrical Appliance Co., Ltd. Address No.58, Jiyixiang Road, Langxia Street, Yuyao City Zhejiang, China Tel 13662916755 Fax 86-574-62196887 Email [email protected]

Page 1 of 4 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix II external photos FCC ID: 2BS2C-HJ-6801 Page 2 of 4 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 3 of 4 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 4 of 4 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China ------End------

Label and Location Material: Silk-screen Font color: White Size: L: 7cm*W: 3cm Label and Location W FCC ID: 2BS2C-HJ-6801 Model No.: HJ-6801 L

Page 1 of 8 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix III internal photos FCC ID: 2BS2C-HJ-6801 Page 2 of 8 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 3 of 8 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 4 of 8 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 5 of 8 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 6 of 8 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 7 of 8 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 8 of 8 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China ------End------

Page 1 of 2 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix IV MPE FCC ID: 2BS2C-HJ-6801 Prediction of MPE at a given distance 1. Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) KDB Test Methodology: KDB 447498 D01 v06. 2. Test Procedure Equation from page 18 of OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to the antenna G = numeric gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the centre of radiation of the antenna Page 2 of 2 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China 3. Result Mode Frequency (MHz) Prediction distance (cm) RF output power(Max) (dBm) Tune-up power (Max) MPE (mW/cm 2 ) Limit (mW/cm 2 ) SAR Test Exclusion dBm mW 2.4G WIFI 2412-2462 20 17.91 18 31.6228 0.0102 1 Yes 2.4G WiFi Antenna: max gain 2.7dBi, 1.61 (numeric) Therefore this device complies with FCC's RF radiation exposure limits for general population without SAR evaluation.

深圳市艾特诺通讯设备有限公司 SHENZHEN ATN COMMUNICATION TECHNOLOGY CO.,LTD. 深圳市艾特诺通讯设备有限公司 SHENZHEN ATN COMMUNICATION TECHNOLOGY CO.,LTD. 承 认 书 SPECIFICATION FOR APPROVL 客 户： CUSTOMER： 芯连芯 客 户 编 号： CUSTOMER P/N： L1 本 厂 编 号： OUR MODEL NO： ATN1348 规 格： SPECIFICATIONS： 2.4G天线 样 品 数： Q’TY： 1 PCS 日 期： DATE： 2022.09.13 深圳市艾特诺通讯设备有限公司 A T N 客户 CUSTOMER 结构 Structure 射频 RF 核准 Approver 结构 Structure 电子 Electronics 核准 Approver 地址：深圳市宝安区新安街道留仙二路美生创谷科技园夏谷504-505室 Address: 504-505,XiaGu,Wonderful life creative valley,Xinan,Baoan,ShenZhen. Tel（电话）：0755-29308863 Fax（传真）：0755-29308861 Page 1 Version：1.0 深圳市艾特诺通讯设备有限公司 SHENZHEN ATN COMMUNICATION TECHNOLOGY CO.,LTD. 目录 Contents 封面Cover ...... 1 目录contents ...... 2 一、测试设备Test Equipment&Conditions ...... 3 二、产品规格Product Specification ...... 4 三、匹配电路Matching circuit ...... 4 四、测试数据报告Test Data Report ...... 5 五、装配要求Assembly requirements ...... 6 六、工程图纸Product Chart ...... 7 七、样品尺寸检测报告Size test report ...... 8 变更记录 发行/变更日期 变更原因 变更内容 版本 备注 2022.09.13 新版发行 新版发行 V1.0 Page 2 Version：1.0 深圳市艾特诺通讯设备有限公司 SHENZHEN ATN COMMUNICATION TECHNOLOGY CO.,LTD. 一、测试设备 Test Equipment&Conditions 1.1 网络分析仪（Network Analyzers） Agilent Technologies E5071B 1.2 综合测试仪（Communications Test Set） CMW500 1.3 3D暗室测试系统（3D Chanber Test System） Page 3 Version：1.0 深圳市艾特诺通讯设备有限公司 SHENZHEN ATN COMMUNICATION TECHNOLOGY CO.,LTD. 二、产品规格Product Specification 2.1、Material&Mechanical Characteristics 材质Material FPC 尺寸Dimension mm 2.2、储存和使用温度Environmental 使用温度Operation Temperature -20°C~+80°C 储存温度Storage Temperature -20°C~+80°C 三、匹配电路Matching circuit Page 4 Version：1.0 深圳市艾特诺通讯设备有限公司 SHENZHEN ATN COMMUNICATION TECHNOLOGY CO.,LTD. 四 、测试数据报告Test Data Report 4.1驻波图Standing wave diagram 4.2 增益和效率 Gain & Efficiency Page 5 Version：1.0 深圳市艾特诺通讯设备有限公司 SHENZHEN ATN COMMUNICATION TECHNOLOGY CO.,LTD. 4.3 方向图 Radiation pattern 五、装配要求Assembly requirements 1 Page 6 Version：1.0 深圳市艾特诺通讯设备有限公司 SHENZHEN ATN COMMUNICATION TECHNOLOGY CO.,LTD. 六、工程图纸Product Drawing Page 7 Version：1.0 深圳市艾特诺通讯设备有限公司 SHENZHEN ATN COMMUNICATION TECHNOLOGY CO.,LTD. 七、样品尺寸检测报告 Size test report 尺寸检验报告 Dimension test report 项目project：L1 品名Product Name： 天线 类别category：FPC 数量Quantity：5 个 日期Date：2022.09.13 检验依据标准：Inspection basis and standard ■工程图纸Engineering drawings □标准样板Standard template□其它 Other 检验项目Inspection items 样品测验值test value 判定结果 determine 1 2 3 4 5 外观检验 Appearance inspectio 1.油污划痕、压伤 等 Oil stain, scratch, crush, etc √ √ √ √ √ OK 2、其它Other 尺寸检验 Dimensiona l inspection 1 160±0 .5 160.12 160.1 160.8 160.1 160.16 O K 2 30.83±0.15 30.86 30.84 30.86 30.88 30.86 OK 3 34.85±0.15 34.88 34.9 34.86 34.92 34.86 OK 4 5 6 7 8 Page 8 Version：1.0

Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Page 1 of 91 Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China FCC TEST REPORT FCC ID: 2BS2C-HJ-6801 On Behalf of Ningbo Haojia Electrical Appliance Co., Ltd Robot Vacuum Cleaner Model No.: HJ-6801, HJ-6801A, HJ-6802, HJ-6802A, HJ-6803, HJ-6803A, HJ-6804, HJ-6804A, H-6805, H-6805A, HJ-6806, HJ-6806A, HJ-6807, HJ-6807A Prepared for : Ningbo Haojia Electrical Appliance Co., Ltd Address : No.58, Jiyixiang Road, Langxia Street, Yuyao City Zhejiang, China Prepared By : Shenzhen PSI Testing Co., Ltd. Address : 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Report Number : psi2508226-C01-R02 Date of Receipt : September 27, 2025 Date of Test : September 28, 2025- October 23, 2025 Date of Report : October 24, 2025 Version Number : V0 Page 2 of 91 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye W est Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China TABLE OF CONTENTS Description Page 1. Summary Of Standards And Results ----------------------------------------------------------------------------------- 6 1.1. Description of Standards and Results --------------------------------------------------------------------------- 6 2. General Information --------------------------------------------------------------------------------------------------------- 7 2.1. Description of Device (EUT) --------------------------------------------------------------------------------------- 7 2.2. Accessories of Device (EUT) -------------------------------------------------------------------------------------- 9 2.3. Tested Supporting System Details-------------------------------------------------------------------------------- 9 2.4. Block Diagram of Connection Between EUT and Simulators ---------------------------------------------- 9 2.5. Test Mode Description --------------------------------------------------------------------------------------------- 11 2.6. Software test version and power setting information------------------------------------------------------- 12 2.7. Test Conditions ------------------------------------------------------------------------------------------------------ 12 2.8. Test Facility ----------------------------------------------------------------------------------------------------------- 13 2.9. Measurement Uncertainty ---------------------------------------------------------------------------------------- 13 2.10. Test Equipment List ------------------------------------------------------------------------------------------------ 14 3. Spurious Emission --------------------------------------------------------------------------------------------------------- 15 3.1. Test Limits ------------------------------------------------------------------------------------------------------------ 15 3.2. Block Diagram of Test setup ------------------------------------------------------------------------------------- 18 3.3. Test Procedure ------------------------------------------------------------------------------------------------------ 19 3.4. Test Results ---------------------------------------------------------------------------------------------------------- 20 4. Power Line Conducted Emission ------------------------------------------------------------------------------------- 29 4.1. Test Limits ------------------------------------------------------------------------------------------------------------ 29 4.2. Test Procedure ------------------------------------------------------------------------------------------------------ 29 4.3. Test Setup ------------------------------------------------------------------------------------------------------------ 29 4.4. Test Results ---------------------------------------------------------------------------------------------------------- 30 5. Out-of-band Emissions --------------------------------------------------------------------------------------------------- 33 5.1. Test Limits ------------------------------------------------------------------------------------------------------------ 33 5.2. Test Procedure ------------------------------------------------------------------------------------------------------ 33 5.3. Test Setup ------------------------------------------------------------------------------------------------------------ 33 5.4. Test Results ---------------------------------------------------------------------------------------------------------- 33 6. Conducted Maximum Output Power --------------------------------------------------------------------------------- 55 6.1. Test limits ------------------------------------------------------------------------------------------------------------- 55 6.2. Test Procedure ------------------------------------------------------------------------------------------------------ 55 6.3. Test Setup ------------------------------------------------------------------------------------------------------------ 55 6.4. Test Results ---------------------------------------------------------------------------------------------------------- 55 7. Peak Power Spectral Density ------------------------------------------------------------------------------------------- 62 7.1. Test limits ------------------------------------------------------------------------------------------------------------- 62 7.2. Test Procedure ------------------------------------------------------------------------------------------------------ 62 7.3. Test Setup ------------------------------------------------------------------------------------------------------------ 62 7.4. Test Results ------…

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Page 1 of 2 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix I Test Setup Photo FCC ID: 2BS2C-HJ-6801 Spurious Radiation Emissions Test (<1G) Spurious Radiation Emissions Test (＞1G) Page 2 of 2 Report No.: psi2508226-C01-R02 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Conducted emission Test ------End------