2ASCK-GF87KEYBOARD

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 province City/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 (KEYBOARD / GF87, CWACC10BKBL / FCC ID: 2ASCK-GF87) 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, China TEL: +86-769-87333899

Safety Human Exposure 1.1 Radio Frequency Exposure Compliance 1.1.1 Electromagnetic Fields RESULT: Pass Test Specification Test item : KEYBOARD Identification / Type No. : GF87, CW-ACC10BKBL FCC ID : 2ASCK-GF87 Test standard : CFR47 FCC Part 2: Section 2.1093 FCC KDB Publication 447498 v06 Measurement Record: Since maximum peak output power of the transmitter is -2.74 dBm ≈ 0.532mW < 9.7mW. Hence the EUT is excluded from SAR evaluation according to FCC KDB Publication 447498 D01 General RF Exposure Guidance v06.

Appendix A: DTS Bandwidth Test Result TestMode Antenna Frequency[MHz] DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 1M Ant1 2402 0.676 2401.660 2402.336 0.5 PASS 2440 0.696 2439.636 2440.332 0.5 PASS 2480 0.676 2479.644 2480.320 0.5 PASS Test Graphs 1M_Ant1_2402 1M_Ant1_2440 1M_Ant1_2480 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Frequency[MHz] OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 1M Ant1 2402 1.0467 2401.4743 2402.5210 --- --- 2440 1.0536 2439.4719 2440.5255 --- --- 2480 1.0479 2479.4753 2480.5232 --- --- Test Graphs 1M_Ant1_2402 1M_Ant1_2440 1M_Ant1_2480 Appendix C: Maximum conducted output power Test Result Peak TestMode Antenna Frequency[MHz] Conducted Peak Powert[dBm] Conducted Limit[dBm] EIRP[dBm] EIRP Limit[dBm] Verdict 1M Ant1 2402 -2.74 ≤30 -2.74 ≤36 PASS 2440 -2.86 ≤30 -2.86 ≤36 PASS 2480 -3.53 ≤30 -3.53 ≤36 PASS Test Graphs Peak 1M_Ant1_2402 1M_Ant1_2440 1M_Ant1_2480 Appendix D: Maximum power spectral density Test Result TestMode Antenna Frequency[MHz] Result[dBm/3kHz] Limit[dBm/3kHz] Verdict 1M Ant1 2402 -18.24 ≤8.00 PASS 2440 -18.4 ≤8.00 PASS 2480 -19.05 ≤8.00 PASS Test Graphs 1M_Ant1_2402 1M_Ant1_2440 1M_Ant1_2480 Appendix E: Band edge measurements Test Result TestMod e Antenn a ChNam e Frequency[MHz ] RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t 1M Ant1 Low 2402 -3.38 -45.69 ≤-23.38 PASS High 2480 -4.14 -46.07 ≤-24.14 PASS Test Graphs 1M_Ant1_Low_2402 1M_Ant1_High_2480 Appendix F: Conducted Spurious Emission Test Result TestMod e Antenn a Frequency[MHz ] FreqRange [MHz] RefLeve l [dBm] Result[dBm ] Limit[dBm ] Verdic t 1M Ant1 2402 Reference -3.40 -3.40 --- PASS 30~1000 -3.40 -58.03 ≤-23.4 PASS 1000~2650 0 -3.40 -49.73 ≤-23.4 PASS 2440 Reference -3.48 -3.48 --- PASS 30~1000 -3.48 -58.65 ≤-23.48 PASS 1000~2650 0 -3.48 -49.49 ≤-23.48 PASS 2480 Reference -4.25 -4.25 --- PASS 30~1000 -4.25 -57.71 ≤-24.25 PASS 1000~2650 0 -4.25 -49.86 ≤-24.25 PASS Test Graphs 1M_Ant1_2402_0~Reference 1M_Ant1_2402_30~1000 1M_Ant1_2402_1000~26500 1M_Ant1_2440_0~Reference 1M_Ant1_2440_30~1000 1M_Ant1_2440_1000~26500 1M_Ant1_2480_0~Reference 1M_Ant1_2480_30~1000 1M_Ant1_2480_1000~26500 Appendix G: Duty Cycle Test Result TestMode Antenna Frequency[MHz] ON Time [ms] Period [ms] Duty Cycle [%] Duty Cycle Factor[dB] 1M Ant1 2402 0.40 0.63 63.49 1.97 2440 0.40 0.63 63.49 1.97 2480 0.40 0.63 63.49 1.97 Test Graphs 1M_Ant1_2402 1M_Ant1_2440 1M_Ant1_2480 Appendix J: Radiated emissions for transmitter& Emissions in Restricted Bands Emissions in Restricted Bands Test Result Mode: 2480 PK Final Data List NO. Freq. [MHz] Factor [dB/m] PK Value [dBμV/m] PK Limit [dBμV/m] PK Margin [dB] Height [cm] Angle [°] Polarity 1 2483.5 7.20 56.76 74.00 17.24 150 236 Horizontal 2 2485.75 1 7.22 63.66 74.00 10.34 105.1 18.3 Horizontal 3 2486.47 6 7.23 62.35 74.00 11.65 105.1 240.1 Horizontal 4 2491.80 8 7.25 60.61 74.00 13.39 154.1 14.7 Horizontal 5 2498.35 5 7.30 55.47 74.00 18.53 105 0 Horizontal 6 2500 7.31 44.91 74.00 29.09 150 5 Horizontal AV Final Data List NO. Freq. [MHz] Factor [dB/m] AV Value [dBμV/m] AV Limit [dBμV/m] AV Margin [dB] Height [cm] Angle [°] Polarity 1 2483.5 7.20 49.74 54.00 4.26 150 236 Horizontal 2 2485.75 1 7.22 53.31 54.00 0.69 105.1 18.3 Horizontal 3 2486.47 6 7.23 40.48 54.00 13.52 105.1 240.1 Horizontal 4 2491.80 8 7.25 38.37 54.00 15.63 154.1 14.7 Horizontal 5 2498.35 5 7.30 36.30 54.00 17.70 105 0 Horizontal 6 2500 7.31 42.47 54.00 11.53 150 5 Horizontal Mode: 2480 PK Final Data List NO. Freq. [MHz] Factor [dB/m] PK Value [dBμV/m] PK Limit [dBμV/m] PK Margin [dB] Height [cm] Angle [°] Polarity 1 2483.5 7.20 44.62 74.00 29.38 150 286 Vertical 2 2485.82 4 7.22 48.84 74.00 25.16 150 134 Vertical 3 2486.14 4 7.22 49.64 74.00 24.36 150 134 Vertical 4 2491.58 4 7.25 46.30 74.00 27.70 150 239 Vertical 5 2495.87 2 7.29 46.22 74.00 27.78 150 214 Vertical 6 2500 7.31 43.79 74.00 30.21 150 40 Vertical Mode: 2402 Suspected Data List NO. Freq. [MHz] Level [dBμV/m] Factor [dB/m] Limit [dBμV/m] Margin [dB] Height [cm] Angle [°] Polarity 1 2310 48.60 6.48 74.00 25.40 155 345 Horizontal 2 2353.8 53.87 6.56 74.00 20.13 155 354 Horizontal 3 2366.1 54.35 6.60 74.00 19.65 155 360 Horizontal 4 2372.2 54.91 6.60 74.00 19.09 155 360 Horizontal 5 2378.1 55.49 6.62 74.00 18.51 155 360 Horizontal 6 2384.1 56.79 6.62 74.00 17.21 155 347 Horizontal 7 2390 59.73 6.64 74.00 14.27 155 4 Horizontal AV Final Data List NO. Freq. [MHz] Factor [dB/m] AV Value [dBμV/m] AV Limit [dBμV/m] AV Margin [dB] Height [cm] Angle [°] Polarity 1 2353.80 05 6.56 46.82 54.00 7.18 204.9 347.1 Horizontal 2 2366.1 6.60 45.70 54.00 8.30 205 357.3 Horizontal 3 2372.19 95 6.60 46.61 54.00 7.39 110.1 357.5 Horizontal 4 2378.1 6.62 48.86 54.00 5.14 122.4 357.3 Horizontal 5 2384.10 01 6.62 48.72 54.00 5.28 110 357.3 Horizontal 6 2390.00 02 6.64 50.51 54.00 3.49 167.1 4.2 Horizontal Test Report Mode: 2402 PK Final Data List NO. Freq. [MHz] Factor [dB/m] PK Value [dBμV/m] PK Limit [dBμV/m] PK Margin [dB] Height [cm] Angle [°] Polarity 1 2310 6.48 43.23 74.00 30.77 155 4 Vertical 2 2341 6.54 44.76 74.00 29.24 155 41 Vertical 3 2351.9 6.56 44.65 74.00 29.35 155 174 Vertical 4 2362 6.58 45.30 74.00 28.70 155 322 Vertical 5 2383 6.62 45.65 74.00 28.35 155 115 Vertical 6 2390 6.64 44.92 74.00 29.08 155 269 Vertical Note： 1. The Antenna Gain is compensated in the graph. 2. The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. Radiated emissions for transmitter Test Result Test Graph NO. Freq. [MHz] Level [dBμV/m] Factor [dB/m] Limit [dBμV/m] Margin [dB] Height [cm] Angle [°] Polarity Verdict 1 108.57 15.46 -19.13 43.50 28.04 100 178 Horizontal PASS 2 167.74 21.95 -16.14 43.50 21.55 100 128 Horizontal PASS 3 206.54 28.22 -18.87 43.50 15.28 100 274 Horizontal PASS 4 288.02 30.05 -16.63 46.00 15.95 100 318 Horizontal PASS 5 409.27 32.79 -13.17 46.00 13.21 100 0 Horizontal PASS 6 797.27 31.09 -5.38 46.0…

Text truncated - open the document above for the full version.

EUROFINS ELECTRICAL TESTING SERVICE (SHENZHEN) CO., LTD. RADIO TEST - REPORT FCC Compliance Test Report for Product name: KEYBOARD Model name: GF87, CW-ACC10BKBL FCC ID: 2ASCK-GF87 Test Report Number: EFGX23030295-IE-01-E01 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. Phone: +86-0755-829118671 1st Floor, Building 2, Chungu, Meisheng Huigu Science and Technology Park, Fax: +86-0755-82910749 No. 83 Dabao Road, Bao'an District, Shenzhen. P.R.China Page 1 of 28 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 9 2.7 Test software information 9 2.8 Test setup 10 2.9 Test results 12 3 Technical Requirement 13 3.1 Conducted emission AC power port 13 3.2 Duty cycle 14 3.3 6dB bandwidth 15 3.4 99% Occupied Bandwidth 16 3.6 Conducted Peak output power 17 3.7 Power spectral density 18 3.8 Conducted Spurious Emissions 19 3.9 Band edge 20 3.10 Spurious radiated emissions for transmitter 23 4 Test Setup Photos 25 5 External Photo 25 6 Internal Photos 25 7 Appendix 25 Test Report No.: EFGX23030295-IE-01-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 25 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: 2023-04-23 Bruce Zheng / Project Engineer Date Eurofins-Lab. Name / Title Signature Technical responsibility for area of testing: 2023-04-23 Albert Xu / Lab Manager Date Eurofins Name / Title Signature Test Report No.: EFGX23030295-IE-01-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 25 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-01-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 25 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 : 2023-04-23 1.6 Test item Product type : KEYBOARD Test Model : GF87 Sample ID : 230323-20-001 Model name : GF87, CW-ACC10BKBL Serial number : N/A Ratings : Battery: 1.5V Test voltage : DC 1.5V FCC ID : 2ASCK-GF87 PMN : KEYBOARD Additional information : ./. RadioTechnical data Frequency range : 2402MHz – 2480MHz Radio Tech. : SRD Frequency channel : 79 Channels Modulation : GFSK Antenna type : PCB antenna Antenna gain : -1.52 dBi The above sample(s) and sample information was/were submitted and identified on behalf of the applicant. Eurofins assures objectivity and impartiality of the test, and fulfills the obligation of confidentiality for applicant’s commercial infor- mation and technical documents. 1.7 Test standards Test Standards FCC Part 15 Subpart C 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. 3: KDB558074 D01 15.247 Meas Guidance v05r02 Test Report No.: EFGX23030295-IE-01-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 25 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 …

Text truncated - open the document above for the full version.

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 -1.52dBi Polarization Horizontal Azimuth Beam Pattern Omni-directional Impedance 50 Ω Antenna Length 31.5cm 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