2BEMH-N152SPortable Computer

(YEAHER INC.) (August 7, 2024) 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: 2BEMH-N152S) [YEAHER INC.] (“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. Sincerely, (Applicant signature) (Applicant printed name) Jingjun LIU (YEAHER INC.) (August 7, 2024) 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: 2BEMH-N152S) [YEAHER INC.] (“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) Jingjun LIU

Attestation Statements (August 7, 2024) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2BEMH-N152S) (YEAHER INC.), the undersigned, hereby authorize (YEAHER INC.) to act as our designated U.S. agent for service of process, (YEAHER INC.) 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 the equipment. (YEAHER INC.) accepts the responsibility to act as designated U.S. agent for service of process, provides 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 the equipment. Applicant Information： Company name: YEAHER INC. Contact Name: Jingjun LIU Address: 51 Steel Dr, Unit A, New Castle, Delaware, 19720 Telephone No: 13538214502 Email: [email protected] FRN: 0034764837 Signature [Jingjun LIU] U.S. Agent Information: Company name: YEAHER INC. Contact Name: Jingjun LIU Address: 51 Steel Dr, Unit A, New Castle, Delaware, 19720 Telephone No: 13538214502 Email: [email protected] FRN: 0034764837 Signature [Jingjun LIU]

YEAHER INC. Model Difference Data：August 6, 2024 Product description: Portable Computer Model name: N152S, N152R, N152B Trade Name: N/A FCC ID: 2BEMH-N152S All the model are the same circuit and RF module, only the model names are differentrt. Regards Sincerely Client’s signature : Client’s name / title : Jingjun LIU（Manager） Contact information / address：51 Steel Dr, Unit A, New Castle, Delaware, 19720

YEAHER INC. (August 6, 2024) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Portable Computer / N152S, N152R, N152B / FCC ID: 2BEMH-N152S ) 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: Jingjun LIU Title: Manager

YEAHER INC. (August 6, 2024) 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 CTB 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: Jingjun LIU Title: Manager

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 6 Model: N152S External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 6 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 6 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 4 of 6 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 5 of 6 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 6 of 6

FCC ID LABEL: Label Location: FCC ID: 2BEMH-N152S Model No.: N152S

Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 52 TEST REPORT Compiled by: Reviewed by: Approved by: Zhang Mao cheng Martin Feng Rita Xiao / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Portable Computer FCC ID: 2BEMH-N152S Trademark: N/A Model Number: N152S, N152R, N152B Prepared For: YEAHER INC. Address: 51 Steel Dr, Unit A, New Castle, Delaware, 19720 Manufacturer: Nimo Direct Inc. Address: 51 Steel Dr, Unit A, New Castle, Delaware, 19720 Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Apr. 09, 2024 Sample tested Date: Apr. 09, 2024 to Jul. 26, 2024 Issue Date: Jul. 26, 2024 Report No.: CTB240725111RHX Test Standards FCC 47 CFR Part2(2.1093), FCC 47 CFR Part1(1.1310) FCC 47 CFR Part1(1.1307), ANSI/IEEE C95.1-2019 IEEE 1528-2013 & Published RF Exposure KDB Procedures Test Results PASS Remark: This is SAR test report. Radio-frequency conduction data reference CTB240426074RHX report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240725111RHX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 52 Contents Page 1 COVER PAGE ......................................................................................................................................... 1 CONTENTS ................................................................ ....................................................................................................... 2 1. VERSION .................................................................................................................................................................. 4 2. PRODUCT INFORMATION AND TEST SETUP............................................................................................... 5 2.1 PRODUCT INFORMATION ................................................................................................................................... 5 3 EQUIPMENT USED DURING TEST ................................................................................................................... 6 3.1 EQUIPMENT LIST ............................................................................................................................................... 6 3.2 TEST EQUIPMENT CALIBRATION ....................................................................................................................... 7 4 SAR INTRODUCTION ........................................................................................................................................... 8 4.1 INTRODUCTION .................................................................................................................................................. 8 4.2 SAR DEFINITION ............................................................................................................................................... 8 5 SAR MEASUREMENT SETUP ............................................................................................................................. 9 5.1 SAR MEASUREMENT SETUP ...................................................................................................................... 9 5.2 DASY5 E-FIELD PROBE SYSTEM .................................................................................................................... 10 5.3 PROBE SPECIFICATION ..................................................................................................................................... 10 5.4 ISOTROPIC E-FIELD PROBE .............................................................................................................................. 10 5.5 PHANTOMS ...................................................................................................................................................... 11 5.6 DEVICE HOLDER .............................................................................................................................................. 11 6 SAR TEST PROCEDURE .................................................................................................................................... 13 6.1 SCANNING PROCEDURE ................................................................................................................................... 13 6.2 EXTRAPOLATION ............................................................................................................................................. 16 6.3 TEST POSITION – BODY CONFIGURATIONS ...................................................................................................... 16 7 EXPOSURE LIMIT ............................................................................................................................................... 17 7.1 UNCONTROLLED ENVIRONMENT ..................................................................................................................... 17 7.2 CONTROLLED ENVIRONMENT .......................................................................................................................... 17 8 SYSTEM AND LIQUID VALIDATION ............................................................................................................. 18 8.1 SYSTEM VALIDATION...................................................…

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A n t e n n a M e a s u r e m e n t R e p o r t 2024/8/6 1 Project name： DN21C-156P2-SCD Type of antenna： WIFI Frequency range： 2.4-2.5G/5.15-5.85GHz Redact： 蒋代铭 Approver： Version number： V1.0 Date： 20230606 1. Test items and equipment Passive test itemActive test item 1. S参数网络分析仪E5071C1. 整机辐射功率 Microwave chamber 2. 辐射参数 Microwave chamber 网络分析仪E5071B 2. 整机接收灵敏度 CMW500 MT8000A 2024/8/6 2 2. Product information ProductName:DN21C-156P2-SCD WIFIANT PartNumber:Main SLEingB241620230 AUX SLEingB241630310 Test frequency band: 2.4-2.5GHz 5.15-5.85GHz 2024/8/6 3 Rough description WiFi ANT Dimensions Impedance50Ω Test environment None ApplicationWIFIFreq. Range 2.4-2.5G/5.15-5.85GHz Gain Peak gain：4.30 VSWR 1.92：1 RadiationPolarizationlinear Connector type HMF 4代 Cable typeNone IsolationNoneSpecial request Main WiFi 1.13黑色230mm AUX WiFi 1.13灰色310mm 3. Specifications 2024/8/6 4 4.0 Antenna assembly instructions 2024/8/6 5 ANT1 ANT2 2024/8/6 6 4.1 Antenna Assembly Instructions Edge alignment 5. The S parameter is 2.4/5.8G 2024/8/6 ANT1 ANT2 6. Test the environment and relative coordinates 2024/8/6 8 * This image represents only the relative coordinates indicated X Y Z 7. Passive data 2024/8/6 9 ANT1 ANT2 Frequency ID1 2 3 4 5 6 7 8 9 10 11 12 13 Frequency (MHz)2400.02410.02420.02430.02440.02450.02460.02470.02480.02490.02500.05150.05200.0 Gain (dBi)2.882.832.893.023.223.303.333.273.263.323.282.312.20 Efficiency (%)41.0440.1840.4540.0740.6740.2240.4439.6139.0838.8439.2235.6034.96 14 15 16 17 18 19 20 21 22 23 24 25 26 5250.05300.05350.05400.05450.05500.05550.05600.05650.05700.05750.05800.05850.0 2.072.041.441.862.082.662.522.893.703.563.473.353.61 36.0836.1434.0236.2234.9333.6034.0131.9934.1434.5135.2434.1133.02 Frequency ID1 2 3 4 5 6 7 8 9 10 11 12 13 Frequency (MHz)2400.02410.02420.02430.02440.02450.02460.02470.02480.02490.02500.05150.05200.0 Gain (dBi)3.843.803.613.513.633.924.174.274.243.953.683.193.37 Efficiency (%)53.0453.0654.1255.0956.5557.5658.2758.0858.1157.2057.6141.4941.81 14 15 16 17 18 19 20 21 22 23 24 25 26 5250.05300.05350.05400.05450.05500.05550.05600.05650.05700.05750.05800.05850.0 4.014.053.734.303.813.724.003.313.292.823.413.473.39 43.0943.4640.1042.7440.7541.3042.5339.2539.1737.3538.6738.6739.93 8. Match lines Antenna RF Module C B A ElementValue ANC BNC CNC 2024/8/6 10 设备为模块输出，匹配未作修改 * 9. Summary 2024/8/6 11 1. The efficiency of passive antenna test is more than 30%. Thank you! 2024/8/6 12

TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Portable Computer FCC ID: 2BEMH-N152S Trademark: N/A Model Number: N152S, N152R, N152B Prepared For: YEAHER INC. Address: 51 Steel Dr, Unit A, New Castle, Delaware, 19720 Manufacturer: Nimo Direct Inc. Address: 51 Steel Dr, Unit A, New Castle, Delaware, 19720 Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Apr. 09, 2024 Sample tested Date: Apr. 09, 2024 to Apr. 26, 2024 Issue Date: Jul. 26, 2024 Report No.: CTB240725108RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Radio-frequency conduction data reference CTB240426071RFX report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB240725108RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 59 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 4 2. TEST SUMMARY ........................................................................................................................... 5 3. MEASUREMENT UNCERTAINTY ................................................................................................. 6 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 7 4.1 Product Information .......................................................................................................................... 7 4.2 Test Setup Configuration .................................................................................................................. 7 4.3 Support Equipment........................................................................................................................... 7 4.4 Channel List ..................................................................................................................................... 8 4.5 Test Mode ........................................................................................................................................ 8 4.6 Test Environment ............................................................................................................................. 8 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................................................... 9 5.1 Test Facility ...................................................................................................................................... 9 5.2 Test Instrument Used ....................................................................................................................... 9 6. AC POWER LINE CONDUCTED EMISSION ................................................................................ 12 6.1 Block Diagram Of Test Setup ......................................................................................................... 12 6.2 Limit ................................................................................................................................................ 12 6.3 Test procedure ............................................................................................................................... 12 6.4 Test Result ..................................................................................................................................... 14 7. RADIATED SPURIOUS EMISSION ............................................................................................. 16 7.1 Block Diagram Of Test Setup ......................................................................................................... 16 7.2 Limit ................................................................................................................................................ 16 7.3 Test procedure ............................................................................................................................... 17 7.4 Test Result ..................................................................................................................................... 18 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 27 8.1 Block Diagram Of Test Setup ......................................................................................................... 27 8.2 Limit ................................................................................................................................................ 27 8.3 Test procedure ............................................................................................................................... 27 8.4 Test Result ..................................................................................................................................... 28 9. COUDUCTED PEAK OUTPUT POWER ...................................................................................... 35 9.1 Block Diagram Of Test Setup ......................................................................................................... 35 9.2 Limit ..........................................…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model: N152S Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions