2BAXLCK24NDNITRO DECK +

accepter toute interférence, y compris toute interférence pouvant causer un fonctionnement indésirable du dispositif

2024-06-06 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: 2BAXLCK24ND [Freemode Go LLC dba CRKD] 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, Signature: Name: Stephen Withers 2024-06-06 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: 2BAXLCK24ND Freemode Go LLC dba CRKD 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, Signature: Name: Stephen Withers

U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Freemode Go LLC dba CRKD FRN: 0033681735 Contact Name: Stephen Withers Street Address: 3142 Constitution drive , Livermore, California, United States City/Province/Zip: Livermore, California, United States Telephone No: +1 925 344 4045 Email: [email protected] Signature: Signed by (Printed Name/Title): Stephen Withers 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: Freemode Go LLC dba CRKD Grantee Code: 2BAXL FCC ID: 2BAXLCK24ND Contact Name: Stephen Withers Street Address: 3142 Constitution drive , Livermore, California, United States City/Province/Zip: Livermore, California, United States Telephone No: +1 925 344 4045 Email: [email protected] Signature: Date: 2024-06-06 Signed by (Printed Name/Title): Stephen Withers

Date: 2024-06-06 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (NITRO DECK +/ CK24ND / FCC ID: 2BAXLCK24ND) 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: Stephen Withers Applicant: Freemode Go LLC dba CRKD Address: 3142 Constitution drive, Livermore, California, United States TEL: +1 925 344 4045

date: 2024-06-06 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 (Eurofins Electrical Testing Service (Shenzhen) 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: Stephen Withers Applicant: Freemode Go LLC dba CRKD Address: 3142 Constitution drive , Livermore, California, United States TEL: +1 925 344 4045

Blue color : Silscreen Red color : Tooling Engrave Green color : UV Silkscreen (Style : hard to see) NITRO DECK+ MODEL NO. : CK24ND DC 5V 54mA INPUT : 5V/1.5A OUTPUT : 5V/150mA FCC ID:2BAXLCK24ND IC:30307-CK24ND DESIGNED IN CALIFORNIA FREEMODE GO CA94550 PATENT PENDING MADE IN CHINA Nitro Deck+ Silkscreen - 15 March 2024 CK24ND ABS PLASTIC Part NITRO DECK+ Controller Laser EngravedHeat TransferTextureSilkscreenPad PrintEmbossingSticker 1 SK3123 深圳景創年份 週數 1:1 鐳雕字符 CK23ND ABS PLASTIC Part NITRO DECK Controller Laser EngravedHeat TransferTextureSilkscreenPad PrintEmbossingEmbossingSticker 3 1:1 鐳雕位置 SK 3123

Antenna

Radio frequency radiation exposure evaluation: portable devices RESULT : Pass Test Specification Test item : NITRO DECK + Identification / Type No. : CK24ND FCC ID IC : : 2BAXLCK24ND 30307-CK24ND Test standard : CFR47 FCC Part 2: Section 2.1093 FCC KDB Publication 447498 D04 RSS-102 Issue 6 Calculation Method according to KDB 447498 D04 and f is in GHz, d is the separation distance (cm), and ERP20cm is per Formula (B.1). The example values shown in Table B.2 are for illustration only. FCC Measurement Record: Test Mode Conducted Power (dBm) Conducted Power (mW) Minimum Separation Distances (mm) Limit (mW) BLE 3.02 2.01 5 2.72 BR+EDR 4.08 2.55 5 2.72 ISED Measurement Record: Test Mode Conducted Power (dBm) E.I.R.P (dBm) E.I.R.P (mW) Minimum Separation Distances (mm) Limit (mW) BLE 3.02 4.22 2.64 5 7.425 BR+EDR 4.08 5.28 3.37 5 7.425 For ISED, output power level shall be the higher of the maximum conducted or effective isotropic radiated power (e.i.r.p.) source-based, time-averaged output power. Hence the EUT is excluded from SAR evaluation if the distance between the antenna and the human body is equal or above one of the minimum distances depicted in the tables above, depending on the wireless protocol in use, in accordance with FCC KDB Publication 447498 D04 and RSS-102 Issue 6.

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Appendix A: DTS Bandwidth Test Result TestMode Antenna Frequency[MHz] DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.692 2401.652 2402.344 0.5 PASS 2440 0.704 2439.648 2440.352 0.5 PASS 2480 0.712 2479.644 2480.356 0.5 PASS BLE_2M Ant1 2402 1.164 2401.420 2402.584 0.5 PASS 2440 1.236 2439.348 2440.584 0.5 PASS 2480 1.228 2479.360 2480.588 0.5 PASS Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Frequency[MHz] OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.0516 2401.4799 2402.5318 --- --- 2440 1.0655 2439.4740 2440.5352 --- --- 2480 1.0741 2479.4674 2480.5407 --- --- BLE_2M Ant1 2402 2.0770 2400.9802 2403.0596 --- --- 2440 2.0757 2438.9805 2441.0575 --- --- 2480 2.0759 2478.9790 2481.0542 --- --- Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 BLE_2M_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 BLE_1M Ant1 2402 2.13 ≤30 3.33 ≤36 PASS 2440 2.79 ≤30 3.99 ≤36 PASS 2480 2.95 ≤30 4.15 ≤36 PASS BLE_2M Ant1 2402 2.15 ≤30 3.35 ≤36 PASS 2440 2.86 ≤30 4.06 ≤36 PASS 2480 3.02 ≤30 4.22 ≤36 PASS Test Graphs Peak BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Appendix D: Maximum power spectral density Test Result TestMode Antenna Frequency[MHz] Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -13.70 ≤8.00 PASS 2440 -13.07 ≤8.00 PASS 2480 -12.76 ≤8.00 PASS BLE_2M Ant1 2402 -17.70 ≤8.00 PASS 2440 -16.91 ≤8.00 PASS 2480 -16.54 ≤8.00 PASS Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 BLE_2M_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 BLE_1M Ant1 Low 2402 1.78 -46.13 ≤-18.22 PASS High 2480 2.57 -44.91 ≤-17.43 PASS BLE_2M Ant1 Low 2402 0.72 -32.28 ≤-19.28 PASS High 2480 1.68 -46.01 ≤-18.32 PASS Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 BLE_2M_Ant1_Low_2402 BLE_2M_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 BLE_1M Ant1 2402 Reference 1.77 1.77 --- PASS 30~1000 1.77 -54.53 ≤-18.23 PASS 1000~2650 0 1.77 -43.54 ≤-18.23 PASS 2440 Reference 2.42 2.42 --- PASS 30~1000 2.42 -55.24 ≤-17.58 PASS 1000~2650 0 2.42 -43.15 ≤-17.58 PASS 2480 Reference 2.57 2.57 --- PASS 30~1000 2.57 -55.41 ≤-17.43 PASS 1000~2650 0 2.57 -47.55 ≤-17.43 PASS BLE_2M Ant1 2402 Reference 0.75 0.75 --- PASS 30~1000 0.75 -53.33 ≤-19.25 PASS 1000~2650 0 0.75 -44.46 ≤-19.25 PASS 2440 Reference 1.54 1.54 --- PASS 30~1000 1.54 -54.49 ≤-18.46 PASS 1000~2650 0 1.54 -45.3 ≤-18.46 PASS 2480 Reference 1.85 1.85 --- PASS 30~1000 1.85 -55.33 ≤-18.15 PASS 1000~2650 0 1.85 -40.08 ≤-18.15 PASS

Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 BLE_1M_Ant1_2480_1000~26500 BLE_2M_Ant1_2402_0~Reference BLE_2M_Ant1_2402_30~1000 BLE_2M_Ant1_2402_1000~26500 BLE_2M_Ant1_2440_0~Reference BLE_2M_Ant1_2440_30~1000 BLE_2M_Ant1_2440_1000~26500 BLE_2M_Ant1_2480_0~Reference BLE_2M_Ant1_2480_30~1000 BLE_2M_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] BLE_1M Ant1 2402 2.13 2.50 85.20 0.70 2440 2.12 2.50 84.80 0.72 2480 2.13 2.50 85.20 0.70 BLE_2M Ant1 2402 1.07 2.50 42.80 3.69 2440 1.07 2.50 42.80 3.69 2480 1.07 2.50 42.80 3.69 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Appendix H: Emissions in Restricted Bands Test Result Mode: BLE 1M-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 9.07 47.10 74.00 26.90 150 231 Horizontal 2 2319.76 9.18 47.65 74.00 26.35 150 346 Horizontal 3 2353.76 9.26 51.00 74.00 23.00 150 40 Horizontal 4 2368.48 9.46 49.11 74.00 24.89 150 356 Horizontal 5 2378 9.86 50.22 74.00 23.78 150 5 Horizontal 6 2390 10.38 47.98 74.00 26.02 150 245 Horizontal 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 9.07 47.11 74.00 26.89 150 175 Vertical 2 2320.96 9.17 48.49 74.00 25.51 150 92 Vertical 3 2336.4 9.17 47.78 74.00 26.22 150 219 Vertical 4 2346.72 9.28 48.37 74.00 25.63 150 356 Vertical 5 2373.2 9.69 47.58 74.00 26.42 150 213 Vertical 6 2390 10.38 47.48 74.00 26.52 150 65 Vertical Mode: BLE 1M-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 10.62 48.71 74.00 25.29 150 322 Horizontal 2 2488.86 10.24 50.61 74.00 23.39 150 58 Horizontal 3 2492.98 10.43 50.62 74.00 23.38 150 231 Horizontal 4 2493.43 10.46 49.00 74.00 25.00 150 43 Horizontal 5 2497.06 10.29 49.80 74.00 24.20 150 246 Horizontal 6 2500 10.10 47.89 74.00 26.11 150 258 Horizontal 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 10.62 48.65 74.00 25.35 150 237 Vertical 2 2488.15 10.22 49.86 74.00 24.14 150 184 Vertical 3 2490.26 10.29 49.12 74.00 24.88 150 114 Vertical 4 2492.98 10.43 49.21 74.00 24.79 150 61 Vertical 5 2495.94 10.38 48.20 74.00 25.80 150 160 Vertical 6 2500 10.10 47.53 74.00 26.47 150 313 Vertical Mode: BLE 2M-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 9.07 45.87 74.00 28.13 150 184 Horizontal 2 2318.96 9.13 47.74 74.00 26.26 150 39 Horizontal 3 2353.36 9.24 50.65 74.00 23.35 150 7 Horizontal 4 2373.36 9.70 49.77 74.00 24.23 150 190 Horizontal 5 2377.44 9.87 50.61 74.00 23.39 150 245 Horizontal 6 2390 10.38 47.59 74.00 26.41 150 278 Horizontal 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 9.07 46.34 74.00 27.66 150 22 Vertical 2 2324.48 9.13 47.08 74.00 26.92 150 353 Vertical 3 2340.88 9.19 48.66 74.00 25.34 150 93 Vertical 4 2353.28 9.23 49.39 74.00 24.61 150 167 Vertical 5 2374.8 9.78 48.11 74.00 25.89 150 359 Vertical 6 2390 10.38 49.29 74.00 24.71 150 223 Vertical Mode: BLE 2M-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 10.62 48.71 74.00 25.29 150 319 Horizontal 2 2484.65 10.52 52.11 74.00 21.89 150 42 Horizontal 3 2485.36 10.46 55.82 74.00 18.18 150 240 Horizontal 4 2485.99 10.38 53.82 74.00 20.18 150 246 Horizontal 5 2492.72 10.42 48.83 74.00 25.17 150 168 Horizontal 6 2500 10.10 47.60 74.00 26.40 150 42 Horizontal 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 10.62 49.18 74.00 24.82 150 76 Vertical 2 2485.49 10.45 49.94 74.00 24.06 150 135 Vertical 3 2488.94 10.25 50.57 74.00 23.43 150 232 Vertical 4 2491.20 10.36 49.32 74.00 24.68 150 194 Vertical 5 2497.83 10.20 49.51 74.00 24.49 150 282 Vertical 6 2500 10.10 46.87 74.00 27.13 150 185 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. 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 10.62 45.52 54.00 8.48 150 319 Horizontal 2 2484.65 10.52 48.52 54.00 5.48 150 42 Horizontal 3 2485.36 10.46 49.17 54.00 4.83 150 240 Horizontal 4 2485.99 10.38 47.70 54.00 6.30 150 246 Horizontal 5 2492.72 10.42 45.54 54.00 8.46 150 168 Horizontal 6 2500 10.10 44.96 54.00 9.04 150 42 Horizontal Appendix I: Spurious emissions NO. Freq. [MHz] Level [dBμV/m] Factor [dB/m] Limit [dBμV/m] Margin [dB] Height [cm] Angle [°] Polarity Verdict 1 49.4000 19.23 -15.93 40.00 20.77 100 124 Vertical PASS 2 67.8300 19.11 -18.10 40.00 20.89 100 249 Vertical PASS 3 95.9600 26.96 -19.81 43.50 16.54 100 207 Vertical PASS 4 501.42028.41 -10.87 46.00 17.59 100 185 Vertical PASS 5 544.10033.24 -9.96 46.00 12.76 100 185 Vertical PASS 6 818.61027.76 -4.38 46.00 18.24 100 213 Vertical PASS NO. Freq. [MHz] Level [dBμV/m] Factor [dB/m] Limit [dBμV/m] Margin [dB] Height [cm] Angle [°] Polarity Verdict 1 67.8300 21.48 -18.10 40.00 18.52 100 170 Horizontal PASS 2 95.9600 30.98 -19.81 43.50 12.52 100 142 Horizontal PASS 3 119.24025.53 -17.79 43.50 17.97 100 360 Horizontal PASS 4 288.02031.62 -16.01 46.00 14.38 100 256 Hori…

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EUROFINS ELECTRICAL TESTING SERVICE (SHENZHEN) CO., LTD. RADIO TEST - REPORT FCC Compliance Test Report for Product name: NITRO DECK + Model name: CK24ND FCC ID: 2BAXLCK24ND Test Report Number: EFGX24050290-IE-04-E05 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 27 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 6 2 Technical test 7 2.1 Summary of test results 7 2.2 Test environment 7 2.3 Measurement uncertainty 7 2.4 Test mode 8 2.5 Test equipment utilized 9 2.6 Auxiliary equipment used during test 10 2.7 Test software information 10 2.8 Test setup 11 2.9 Test results 13 3 Technical Requirement 14 3.1 Conducted emission AC power port 14 3.2 Duty cycle 15 3.3 6dB bandwidth 16 3.4 99% Occupied Bandwidth 17 3.6 Conducted Peak output power 18 3.7 Power spectral density 19 3.8 Conducted Spurious Emissions 20 3.9 Band edge 21 3.10 Spurious radiated emissions for transmitter 24 4 Test Setup Photos 27 5 External Photo 27 6 Internal Photos 27 7 Appendix 27 Test Report No.: EFGX24050290-IE-04-E05 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 27 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: 2024-06-11 Bruce Zheng / Project Engineer Date Eurofins-Lab. Name / Title Signature Technical responsibility for area of testing: 2024-06-11 Albert Xu / Lab Manager Date Eurofins-Lab. Name / Title Signature Test Report No.: EFGX24050290-IE-04-E05 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 27 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 : Freemode Go LLC dba CRKD Address : 3142 Constitution drive, Livermore, California,United States Telephone : +1 925 344 4045 Fax : ./. 1.4 Details of manufacturer Name : Freemode Go LLC dba CRKD Address : 3142 Constitution drive, Livermore, California,United States Telephone : +1 925 344 4045 Fax : ./. Test Report No.: EFGX24050290-IE-04-E05 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 27 1.5 Application details Date of receipt of application : 2024-05-21 Date of receipt of test item : 2024-05-21 Date of test : 2024-05-21 to 2024-06-06 Date of issue : 2024-06-11 1.6 Test item Product type : NITRO DECK + Test Model : CK24ND Sample ID : 240521-04-002 Model name Brand name : : CK24ND CRKD Serial number : ./. Hardware Version : V03 Software / Firmware Version : V1.0 Ratings : DC 5V 54mA INPUT:5V/1.5A OUTPUT:5V/150mA Test voltage : 5V RadioTechnical data Frequency range : 2402MHz – 2480MHz Radio Tech. : Bluetooth Low Energy Frequency channel : 40 Channels Modulation : GFSK Antenna type : PCB antenna Maximum antenna gain : 1.2 dBi Additional information : ./. 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. Test Report No.: EFGX24050290-IE-04-E05 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 27 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.: EFGX24050290-IE-04-E05 Eurofins Electrical Testing Service (Shenzhen) Co., Ltd. 1st Fl…

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