2BG88SU602Sense-U Baby Monitor Pro

LEDO Network Inc. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: LEDO Network Inc. Address: 20725 Valley Green Dr, Suite 200, Cupertino,CA,US Product Name: Sense-U Baby Monitor Pro FCC ID: 2BG88SU602 Model(s): SU602, SU602A, SU602B, SU602C, SU602D 2.911(d)(5)(i) EquipmentType We, [LEDO Network Inc.] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Bryan Huang Date: 7/11/2024 Title and Company name: manager / LEDO Network Inc. NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

LEDO Network Inc. 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: LEDO Network Inc. Address: 20725 Valley Green Dr, Suite 200, Cupertino,CA,US Product Name: Sense-U Baby Monitor Pro FCC ID: 2BG88SU602 Model(s): SU602, SU602A, SU602B, SU602C, SU602D 2.911(d)(5)(ii) Applicant filing We, [LEDO Network Inc.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. The applicant is not a named entity or any of its subsidiaries or affiliates. Yours sincerely, Name: Bryan Huang Date: 7/11/2024 Title and Company name: manager / LEDO Network Inc. NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the LEDO Network Inc. 2.911 (d)(5)(ii) Applicant Attestation v1.3

LEDO Network Inc. Date: July 11, 2024 FCC ID: 2BG88SU602 Model Number: SU602, SU602A, SU602B, SU602C, SU602D To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, LEDO Network Inc. declare that this EUT (FCC ID: 2BG88SU602) will conduct FCC compliance testing, the SDOC part recognized test lab(Shenzhen NTEK Testing Technology Co., Ltd.( ShenZhen Lab.). 1/F, Building E, Fenda Science Park, Sanwei Community,Xixiang Street Bao’an District, Shenzhen 518126 P.R. China) Please contact me if you have any question. Sincerely, (Signed) Name / Title: Bryan Huang/ manager Company: LEDO Network Inc. Address: 20725 Valley Green Dr, Suite 200, Cupertino,CA,US

G:\NTEK\电磁兼容部\RF项目组\RF项目\2024\6月\S24060303902001 合肥感动科技 Baby Monitor Pro(BLE) SU602 FCC ID RF\7. Others\Letter\FCC POA Letter.docx (LEDO Network Inc.) Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: 7/11/2024 SUBJECT: FCC Application for FCC ID: 2BG88SU602 To Whom It May Concern: We, the undersigned, hereby authorize Alex Li at Shenzhen NTEK Testing Technology Co., Ltd. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen NTEK Testing Technology Co., Ltd. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, (signature) (printed name): Bryan Huang

< LEDO Network Inc.> Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 7/12/2024 Subject; Request for Confidentiality FCC ID: 2BG88SU602 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. 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. Schematic Diagram Block Diagram Operational Description Tune up procedure BOM In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Bryan Huang Title: manager Email: [email protected]

LEDO Network Inc. U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: 7/11/2024 Ref: Attestation Statement – Part2.911(d)(7) filing FCC ID ：2BG88SU602 LEDO Network Inc. (“the applicant”) certifies that, as of the date of the filing of the application, LEDO Network Inc. (“the agent”) is our designated U.S. agent for service of process for the abovereference FCC ID. The applicant accepts to maintain an agent for service of process in the United States forno less than one year after either the grantee has permanently terminated all marketing and importation of theapplicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicialproceeding involving the equipment, whichever is later. The applicant further acknowledges it is ourresponsibility to inform the FCC whenever the agent information changes. LEDO Network Inc. ("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: LEDO Network Inc. FRN: 0023546054 GC: 2BG88 Address: 20725 Valley Green Dr, Suite 200, Cupertino,CA,US Signature: Contact Person: Bryan Huang Tel: 0014080718 Email: [email protected] Applicant Company Name: LEDO Network Inc. Address: 20725 Valley Green Dr, Suite 200, Cupertino,CA,US Signature: Contact Person: Bryan Huang GC: 2BG88 FRN: 0023546054 Tel: 0014080718 Email: [email protected]

FCC ID: 2BG88SU602 Portable device According to §15.247(e)(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. According to KDB447498 D01 General RF Exposure Guidance V06 The 1-g SAR 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 When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. BLE: Modulation Channel Freq. (GHz) Conduct ed power (dBm) Conducte d power (mW) Tune-up power (dBm) Max tune-up power (dBm) Max tune-up power (mW) Distance (mm) SAR test exclusion BLE(1M) 2.51.78<50.551213.00YES 2.51.78<50.555553.00YES 2.51.78<50.560093.00YES BLE(2M) 2.51.78<50.551213.00YES 2.51.78<50.555553.00YES 2.51.78<50.560093.00YES Result calculation SAR Exclusion threshold 2.402 2.440 2.480 2.402 2.440 2.480 -0.56 0.67 1.36 -0.45 0.75 1.52 1.48 1.43 1.48 1.55 1.49 1.52 1.5±1 1.5±1 1.5±1 1.5±1 1.5±1 1.5±1 Conclusion: For the max result : 0.55555 ≤ 3.0 for 1g SAR, SAR is not required. Signature: Date: 2024-07-11 NAME AND TITLE (Please print or type): Alex li /Manager COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen P.R. China.

1 电话：0755-23205219官网：http://www.hxrf-antenna.com/ 地址：深圳市宝安区西乡街道固兴社区新安第二工业区C10栋西面2楼 通过ISO9001质量管理体系认证 证书编号：06520Q01851ROM 深圳市红心科技电子有限公司 产品承认书 SPECIFICATIONFORAPPROVAL 公司名称： 品名： 2.4GFPC 天线 料号： HX-FPC24-187-50B4 客户料号： 规格：详见规格书 日期： 2022-6-25 客户回签 : 工程部品质部批准 深圳市红心科技电子有限公司： 工程部品质部批准 庄伟峰张欢刘卢 2 电话：0755-23205219 官网：http://www.hxrf-antenna.com/ 地 址：深圳市宝安区⻄乡街道固兴社区新安第二工业区C10栋⻄面2楼 通过ISO9001质量�理体�认证 证书编�：06520Q01851ROM 一：天线参数 Design SpecificationsTypicalUnits �线形式FPC�线 工作频�（working Frequency）2400-2500MHZ ��(Gain)DBi �线��（Antenna efficiency）35~80% 电压驻波� （VSWR）<1.8 极��式（Ploriaztion）��极� 辐��向（Radiation pattern）全向 馈电阻�（impedance）50ohm 功��量（Power handling）33dbm �线�口（Interface）IPEX 4代 �线尺寸（Overal dimensions）18*7mm 重量（Weight）�要求 工作温�（Operatin Temp）-30-70°C 储存温�（Storing Temp）-30-70°C 2 3 电话：0755-23205219官网：http://www.hxrf-antenna.com/ 地址：深圳市宝安区西乡街道固兴社区新安第二工业区C10栋西面2楼 通过ISO9001质量管理体系认证 证书编号：06520Q01851ROM 二：天线实物图 注：1.天线参数是根据模拟环境测试，针对不同的产品会有性能偏差 2.天线功能较为敏感，主体周边结构有变更请通知我们评估 三、VSWR（电压驻波比）/ReturnLoss（回波损耗）/SmithChart （史密斯圆图） VSWR（电压驻波比） 4 电话：0755-23205219官网：http://www.hxrf-antenna.com/ 地址：深圳市宝安区西乡街道固兴社区新安第二工业区C10栋西面2楼 通过ISO9001质量管理体系认证 证书编号：06520Q01851ROM ReturnLoss（回波损耗） SmithChart（史密斯圆图） 5 电话：0755-23205219官网：http://www.hxrf-antenna.com/ 地址：深圳市宝安区西乡街道固兴社区新安第二工业区C10栋西面2楼 通过ISO9001质量管理体系认证 证书编号：06520Q01851ROM 四：贮藏环境 工作温度 :-30to70 º C 贮藏温度 :-30to70 º C 五：尺寸规格

Report No.: S24060303902001 Version.1.3 Page 1 of 78 RADIO TEST REPORT FCC ID: 2BG88SU602 Product: Sense-U Baby Monitor Pro Trade Mark: Sense-U Model No.: SU602 Family Model: SU602A, SU602B, SU602C, SU602D Report No.: S24060303902001 Issue Date: Jun 20, 2024 Prepared for LEDO Network Inc. 20725 Valley Green Dr, Suite 200, Cupertino,CA,US Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community,Xixiang Street Bao’an District, Shenzhen 518126 P.R. China Tel. 400-800-6106, 0755-2320 0050, 0755-2320 0090 Website: http://www.ntek.org.cn Report No.: S24060303902001 Version.1.3 Page 2 of 78 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION ...................................................................................................................... 4 2 SUMMARY OF TEST RESULTS ......................................................................................................................... 5 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 6 3.1 FACILITIES..................................................................................................................................................... 6 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 6 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 6 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 7 5 DESCRIPTION OF TEST MODES ..................................................................................................................... 9 6 SETUP OF EQUIPMENT UNDER TEST ......................................................................................................... 10 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ..................................................................... 10 6.2 SUPPORT EQUIPMENT ............................................................................................................................... 11 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 12 7 TEST REQUIREMENTS .................................................................................................................................... 14 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 14 7.1.1 Applicable Standard .................................................................................................................................. 14 7.1.2 Conformance Limit ................................................................................................................................... 14 7.1.3 Measuring Instruments ............................................................................................................................. 14 7.1.4 Test Configuration .................................................................................................................................... 14 7.1.5 Test Procedure ........................................................................................................................................... 14 7.1.6 Test Results ................................................................................................................................................ 15 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 17 7.2.1 Applicable Standard .................................................................................................................................. 17 7.2.2 Conformance Limit ................................................................................................................................... 17 7.2.3 Measuring Instruments ............................................................................................................................. 18 7.2.4 Test Configuration .................................................................................................................................... 18 7.2.5 Test Procedure ........................................................................................................................................... 19 7.2.6 Test Results ................................................................................................................................................ 20 7.3 6DB BANDWIDTH ....................................................................................................................................... 26 7.3.1 Applicable Standard .................................................................................................................................. 26 7.3.2 Conformance Limit ................................................................................................................................... 26 7.3.3 Measuring Instruments ............................................................................................................................. 26 7.3.4 Test Setup .................................................................................................................................................. 26 7.3.5 Test Procedure ........................................................................................................................................... 26 7.3.6 Test Results ................................................................................................................................................ 26 7.4 DUTY CYCLE ...........................................................................................…

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