2ASCK-GF88MOUSE

U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: American Certification Body, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Southern Telecom Inc. FRN: 0017985201 Contact Name: Lina Qian Street Address: 5601 1st Ave 2nd Floor Brooklyn City/Province/Zip: NY United States 11220 Telephone No: (718)567-7778 131 Email: [email protected] U.S. Agent Signature: This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Dongguan Green Power One Co.,Ltd Grantee Code: 2ASCK FCC ID: 2ASCK-GF87 Contact Name: Silver Guo Street Address: No.26, Hongyun Street, Qingxi Town, Dongguan City, Guangdong provinceCity/Province/Zip: Dongguan Email: [email protected] Date: 04-25-2023 Signed by (Printed Name):

2023-04-24 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (MOUSE / GF88, CW-ACC10BKBL / FCC ID: 2ASCK-GF88) 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 (Block Diagrams, Schematics, Operational Descriptions) required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Signature: Name: Silver Guo Applicant: Dongguan Green Power One Co.,Ltd Address: No.26, Hongyun Street, Qingxi Town, Dongguan City, Guangdong province TEL: +86-769-87333899

Safety Human Exposure 1.1 Radio Frequency Exposure Compliance 1.1.1 Electromagnetic Fields RESULT: Pass Test Specification Test item : MOUSE Identification / Type No. : GF88, CW-ACC10BKBL FCC ID : 2ASCK-GF88 Test standard : CFR47 FCC Part 2: Section 2.1093 FCC KDB Publication 447498 v06 Measurement Record: EIRP[dBm] = E[dBuV/m]− 95.2 Since maximum peak output power of the transmitter is -1.49 dBm ≈ 0.7mW < 9.7mW. Hence the EUT is excluded from SAR evaluation according to FCC KDB Publication 447498 D01 General RF Exposure Guidance v06.

Test Report No.: EFGX23030295-IE-02-E01 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 1 of 24 EUROFINS ELECTRICAL TESTING SERVICE (SHENZHEN) CO., LTD. RADIO TEST - REPORT FCC Compliance Test Report for Product name: MOUSE Model name: GF88, CW-ACC10BKBL FCC ID: 2ASCK-GF88 Test Report Number: EFGX23030295-IE-02-E01 Test Report No.: EFGX23030295-IE-02-E01 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 2 of 24 1 General Information 3 1.1 Notes 3 1.2 Testing laboratory 4 1.3 Details of applicant 4 1.4 Details of manufacturer 4 1.5 Application details 5 1.6 Test item 5 1.7 Test standards 5 2 Technical test 6 2.1 Summary of test results 6 2.2 Test environment 6 2.3 Measurement uncertainty 6 2.4 Test mode 7 2.5 Test equipment utilized 8 2.6 Auxiliary Equipment Used during Test: 8 2.7 Test software information: 8 2.8 Test setup 9 2.9 Test results 11 3 Technical requirement and result 12 3.1 20 dB bandwidth 12 3.2 Radiated emission 15 Test Report No.: EFGX23030295-IE-02-E01 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 3 of 24 1 General Information 1.1 Notes The results of this test report relate exclusively to the item tested as specified in chapter “Description of test item” and are not transferable to any other test items. Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. is not responsible for any generalisations and conclusions drawn from this report. Any modification of the test item can lead to invalidity of test results and this test report may therefore be not applicable to the modified test item. The test report may only be reproduced or published in full. Reproducing or publishing extracts of the report requires the prior written approval of the Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. This document is subject to the General Terms and Conditions and the Testing and Certification System of Eurofins Electrical Testing Service (Shenzhen) Co., Ltd., available on request or accessible at www.eurofins.com. Operator: 2023-05-19 Bruce Zheng / Project Engineer Date Eurofins-Lab. Name / Title Signature Technical responsibility for area of testing: 2023-05-19 Albert Xu / Lab Manager Date Eurofins Name / Title Signature Test Report No.: EFGX23030295-IE-02-E01 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 4 of 24 1.2 Testing laboratory Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone : +86-755-82911867 Fax : +86-755-82910749 The Laboratory has passed the Accreditation by the American Association for Laboratory Accrediation (A2LA). The Accreditation number is 5376.01 The Laboratory has been listed by industry Canada to perform electromagnetic emission measurements, The CAB identifier is CN0088 1.3 Details of applicant Name : Dongguan Green Power One Co.,Ltd. Address : No.26, Hongyun Street, Qingxi Town, Dongguan City, Guangdong province, China Telephone : ./. Fax : ./. 1.4 Details of manufacturer Name : Dongguan Green Power One Co.,Ltd. Address : No.26, Hongyun Street, Qingxi Town, Dongguan City, Guangdong province, China Telephone : ./. Fax : ./. Test Report No.: EFGX23030295-IE-02-E01 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 5 of 24 1.5 Application details Date of receipt of application : 2023-03-23 Date of receipt of test item : 2023-03-23 Date of test : 2023-03-23 to 2023-04-23 Date of issue : 2023-05-19 1.6 Test item Product type : MOUSE Model name : GF88, CW-ACC10BKBL Brand : GPO Serial number : ./. Ratings : 1.5Vdc supplied by a type “AA” Battery Test voltage : 1.5Vdc FCC ID : 2ASCK-GF88 PMN : MOUSE Additional information : ./. RadioTechnical data Frequency range : 2402MHz – 2480MHz Radio Tech. : 2.4G SRD Frequency channel : 79 Modulation : GFSK Antenna type : PCB antenna Antenna gain : -1.52 dBi 1.7 Test standards Test Standards FCC Part 15 Subpart C December 16, 2020 PART 15 - RADIO FREQUENCY DEVICES Subpart C - Intentional Radiators Test Method 1: ANSI C63.4-2014, American National Standard for Methods of Measurement of Radio-Noise Emis- sions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz. 2: ANSI C63.10-2013, American National Standard for Testing Unlicensed Wireless Devices. Test Report No.: EFGX23030295-IE-02-E01 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China. Telephone: +86-755-82911867, Fax : +86-755-82910749 Page 6 of 24 2 Technical test 2.1 Summary of test results No deviations from the technical specification(s) were ascertained in the course of the tests performed. or The deviations as specified were ascertained in the course of the tests performed. 2.2 Test environment RF Conducted Enviroment Parameter Temperature Relative Humidity 101.2Kpa 24.6 62.6% Radiated Enviroment Parameter Temperature Relative Humidity 101.2Kpa 23.7 51.7% 2.3 Measurement unce…

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Antenna Specification Specifications Summary ITEM SPEC. Model Name IBM 2.4 GHz Center Frequency 2402 MHz -2.10 dBi 2441 MHz -1.78 dBi 2480 MHz -1.52 dBi MAX. GAIN -1.52 dBi Polarization Horizontal Azimuth Beam Pattern Omni-directional Impedance 50 Ω Antenna Length 34.6mm Manufacturer： Dongguan Green Power One Co.,Ltd. No.26, Hongyun Street, Qingxi Town, Dongguan City, Guangdong province, China Antenna Photo & Length（mm） 1. Main antenna : 2402 MHz 1.1 Horizontal 1.2 Vertical 2. Main antenna : 2441 MHz 2.1 Horizontal 2.2 Vertica . 3. Main antenna : 2480 MHz 3.1 Horizontal 3.2 Vertical 4. Result Center Frequency Maximum Ant Gain 2402MHz H -2.10 dBi V -5.02 dBi 2441 MHz H -1.78 dBi V -5.80 dBi 2480 MHz H -1.52 dBi V -4.52 dBi