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Tack One Private Limited 22 SIN MING LANE #06-76, Singapore 573969, Singapore Power of Attorney Date: August 6, 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Product Certification Representative Authorization Letter FCC ID: 2AY4J-TK20 Product Name: Tack GPS Location Tracker To whom it may concern: We the undersigned, hereby authorize following person to act as our agent in the preparation of an application for equipment authorization to the FCC Rules and Regulations. Sporton International Inc. Address : No.52, Huaya 1st Rd., Guishan Dist., Taoyuan City 333, Taiwan Name : Leo Huang Job Title : Manager e-mail : [email protected] We further certify that neither the applicant nor any party to this application, as defined in 47 CFR Ch. 1.2002(b), is subject to a denial to Federal benefits, that include FCC benefits, pursuant to section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862. This appointment also includes the authority to complete FCC Form 731 on our behalf and sign the application as an authorized agent. Applicant : Tack One Private Limited Address : 22 SIN MING LANE #06-76, Singapore 573969, Singapore Signature : _________________________________ Name and Job Title. : Eric Yeo, Director E-mail : [email protected] Tel. : +65 91599405

Tack One Private Limited 22 SIN MING LANE #06-76, Singapore 573969, Singapore Confidentiality Request Letter Date: August 6, 2021 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Rd Columbia MD 21046-1609 FCC ID: 2AY4J-TK20 Permanent Confidentiality Request Pursuant to the provisions of Sections 0.457 and 0.459 of Commission’s rules (47CFR§§0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure indefinitely. 1. Block Diagram 2. Schematic Diagram 3. Theory of Operation The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Applicant : Tack One Private Limited Address : 22 SIN MING LANE #06-76, Singapore 573969, Singapore Signature : _________________________________ Name and Job Title. : Eric Yeo, Director E-mail : [email protected] Tel. : +65 91599405

Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 1 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 2 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 17 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 ─────THE END──── Data Cable

Label Location Information EUT (Back View)

Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 3 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 4 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Battery Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 5 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 6 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 7 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 8 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 9 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 10 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 11 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 12 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 13 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 14 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 15 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021 Photographs of EUT Report No. : EP0D2801 SPORTON International Inc. Page No. : 16 of 17 EP Report Version : Rev. 01 Issued Date : Aug 06, 2021

Report No. : FA0D2801AA TEL : 886-3-327-3456 Page Number : 1 of 5 FAX : 886-3-327-0973 Issued Date : Aug. 26, 2021 Report Template No.: HE1-A3 Ver4.0 Report Version : 02 FCC ID: 2AY4J-TK20 RF Exposure Evaluation Report FCC ID : 2AY4J-TK20 Contain FCC ID : XMR2020BG95M2 Equipment : Tack GPS Location Tracker Brand Name : TACK Model Name : TK20 Applicant : Tack One Private Limited 22 SIN MING LANE #06-76, MIDVIEW CITY SINGAPORE 573969 Manufacturer : Tack One Private Limited 22 SIN MING LANE #06-76, MIDVIEW CITY SINGAPORE 573969 Standard : 47 CFR FCC Part 2 Subpart J, section 2.1093 The product was received on Dec. 28, 2020, and testing was started from Apr. 26, 2021 and completed on Apr. 26, 2021. We, SPORTON INTERNATIONAL INC. Hsinhua Laboratory, would like to declare that the tested sample has been evaluated in accordance with the procedures given in KDB447498 D01 General RF Exposure Guidance v06 and shown compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval of SPORTON INTERNATIONAL INC. Hsinhua Laboratory, the test report shall not be reproduced except in full. ___________________________________________ Approved by: Allen Lin SPORTON INTERNATIONAL INC. Hsinhua Laboratory No.52, Huaya 1st Rd., Guishan Dist., Taoyuan City 333411, Taiwan (R.O.C.) Report No. : FA0D2801AA TEL : 886-3-327-3456 Page Number : 2 of 5 FAX : 886-3-327-0973 Issued Date : Aug. 26, 2021 Report Template No.: HE1-A3 Ver4.0 Report Version : 02 FCC ID: 2AY4J-TK20 Table of Contents 1. General Description............................................................................................................................................... 4 1.1. Information .......................................................................................................................................................................................... 4 1.2. EUT General Information .................................................................................................................................................................... 4 1.3. Testing Location Information ............................................................................................................................................................... 4 2. RF Exposure Evaluation ....................................................................................................................................... 5 2.1. Applicable Standard ............................................................................................................................................................................ 5 2.2. SAR evaluation ................................................................................................................................................................................... 5 Photographs of EUT V01 Report No. : FA0D2801AA TEL : 886-3-327-3456 Page Number : 3 of 5 FAX : 886-3-327-0973 Issued Date : Aug. 26, 2021 Report Template No.: HE1-A3 Ver4.0 Report Version : 02 FCC ID: 2AY4J-TK20 History of This Test Report Report No. Version Description Issued Date FA0D2801AA 01 Initial issue of report Aug. 24, 2021 FA0D2801AA 02 Add SAR exemption for Bluetooth. This report is the latest version replacing for the report issued on Aug. 24, 2021 Aug. 26, 2021 Reviewed by: Sam Tsai Report Producer: Jenny Yang Report No. : FA0D2801AA TEL : 886-3-327-3456 Page Number : 4 of 5 FAX : 886-3-327-0973 Issued Date : Aug. 26, 2021 Report Template No.: HE1-A3 Ver4.0 Report Version : 02 FCC ID: 2AY4J-TK20 1. General Description 1.1. Information 1.2. EUT General Information RF General Information Evaluation Mode Frequency Range (MHz) Operating Frequency (MHz) Modulation Type Bluetooth 2400-2483.5 2402-2480 LE: DSSS (GFSK) LTE Band 2 1850-1910 1850.7-1909-3 QPSK, 16QAM LTE Band 4 1710-1755 1710.7-1754.3 QPSK, 16QAM LTE Band 5 824-849 824.7-848.3 QPSK, 16QAM LTE Band 12 699-716 699.7-715.3 QPSK, 16QAM LTE Badn 13 777-787 779.5-784.5 QPSK, 16QAM LTE Band 25 1850-1915 1850.7-1914.3 QPSK, 16QAM LTE Band 26 814-849 814.7-848.3 QPSK, 16QAM LTE Band 66 1710-1780 1710.7-1779.3 QPSK, 16QAM LTE Band 85 698-716 699.7-715.3 QPSK, 16QAM 1.3. Testing Location Information Test Lab.：Sporton International Inc. Hsinhua Laboratory Hsinhua ADD: No.52, Huaya 1st Rd., Guishan Dist., Taoyuan City 333411, Taiwan (R.O.C.) (TAF: 3785) TEL: 886-3-327-3456 FAX: 886-3-327-0973 Test site Designation No. TW3785 with FCC. Wen 33rd.St. ADD: No.14-1, Ln. 19, Wen 33rd St., Guishan Dist., Taoyuan City 333010, Taiwan (R.O.C.) (TAF: 3785) TEL: 886-3-318-0787 FAX: 886-3-318-0287 Test site Designation No. TW0008 with FCC. Report No. : FA0D2801AA TEL : 886-3-327-3456 Page Number : 5 of 5 FAX : 886-3-327-0973 Issued Date : Aug. 26, 2021 Report Template No.: HE1-A3 Ver4.0 Report Version : 02 FCC ID: 2AY4J-TK20 2. RF Exposure Evaluation 2.1. Applicable Standard In accordance with FCC 47 CFR part 2 (2.1093) this device has been defined as a portable device which is defined as a transmitting device designed to be used so that the radiating structure(s) of the device is/are within 20 centimeters of the body of the user. Portable devices must be evaluated using the specified in FCC 47 CFR part 2 (2.1093) and ANSI/IEEE C95.1-1992, and had been tested in accordance with the measurement methods and procedures specified in IEEE 1528-2003. 2.2. SAR evaluation 1. Per FCC KDB 447498 D01 v06, the 1-g 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  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 Bluetooth Max. Power Gain Toleran…

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FCC Radio Test Report Report No. : FR0D2801AL TEL : 886-3-3273456 Page Number : 1 of 24 FAX : 886-3-3270973 Issued Date : Aug. 06, 2021 Report Template No.: HE1-C10 Ver4.1 Report Version : 01 FCC ID: 2AY4J-TK20 FCC Radio Test Report FCC ID : 2AY4J-TK20 Contain FCC ID : XMR2020BG95M2 Equipment : Tack GPS Location Tracker Brand Name : TACK Model Name : TK20 Applicant : Tack One Private Limited 22 SIN MING LANE #06-76, MIDVIEW CITY SINGAPORE 573969 Manufacturer : Tack One Private Limited 22 SIN MING LANE #06-76, MIDVIEW CITY SINGAPORE 573969 Standard : 47 CFR FCC Part 15.247 The product was received on Dec. 28, 2020, and testing was started from Apr. 26, 2021 and completed on Apr. 28, 2021. We, SPORTON INTERNATIONAL INC. Hsinhua Laboratory, would like to declare that the tested sample has been evaluated in accordance with the procedures given in ANSI C63.10-2013 and shown compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval of SPORTON INTERNATIONAL INC. Hsinhua Laboratory, the test report shall not be reproduced except in full. ___________________________________________ Approved by: Allen Lin __________________________________________ SDoC by: XXXXX SPORTON INTERNATIONAL INC. Hsinhua Laboratory No.52, Huaya 1st Rd., Guishan Dist., Taoyuan City 333411, Taiwan (R.O.C.) FCC Radio Test Report Report No. : FR0D2801AL TEL : 886-3-3273456 Page Number : 2 of 24 FAX : 886-3-3270973 Issued Date : Aug. 06, 2021 Report Template No.: HE1-C10 Ver4.1 Report Version : 01 FCC ID: 2AY4J-TK20 Table of Contents HISTORY OF THIS TEST REPORT .................................................................................................................. 3 SUMMARY OF TEST RESULT ......................................................................................................................... 4 1 GENERAL DESCRIPTION .................................................................................................................... 5 1.1 Information .............................................................................................................................................. 5 1.2 Testing Applied Standards ..................................................................................................................... 6 1.3 Testing Location Information .................................................................................................................. 6 1.4 Measurement Uncertainty ...................................................................................................................... 6 2 TEST CONFIGURATION OF EUT......................................................................................................... 7 2.1 Test Channel Mode ................................................................................................................................ 7 2.2 The Worst Case Measurement Configuration ........................................................................................ 8 2.3 Accessories ............................................................................................................................................ 9 2.4 Support Equipment ................................................................................................................................. 9 2.5 Test Setup Diagram ............................................................................................................................. 10 3 TRANSMITTER TEST RESULT .......................................................................................................... 12 3.1 AC Power-line Conducted Emissions .................................................................................................. 12 3.2 DTS Bandwidth..................................................................................................................................... 14 3.3 Maximum Conducted Output Power .................................................................................................... 15 3.4 Power Spectral Density ........................................................................................................................ 17 3.5 Emissions in Non-restricted Frequency Bands .................................................................................... 18 3.6 Emissions in Restricted Frequency Bands ........................................................................................... 19 4 TEST EQUIPMENT AND CALIBRATION DATA ................................................................................ 23 APPENDIX A. TEST RESULTS OF AC POWER-LINE CONDUCTED EMISSIONS APPENDIX B. TEST RESULTS OF DTS BANDWIDTH APPENDIX C. TEST RESULTS OF MAXIMUM CONDUCTED OUTPUT POWER APPENDIX D. TEST RESULTS OF POWER SPECTRAL DENSITY APPENDIX E. TEST RESULTS OF EMISSIONS IN NON-RESTRICTED FREQUENCY BANDS APPENDIX F. TEST RESULTS OF EMISSIONS IN RESTRICTED FREQUENCY BANDS APPENDIX G. TEST PHOTOS PHOTOGRAPHS OF EUT V01 FCC Radio Test Report Report No. : FR0D2801AL TEL : 886-3-3273456 Page Number : 3 of 24 FAX : 886-3-3270973 Issued Date : Aug. 06, 2021 Report Template No.: HE1-C10 Ver4.1 Report Version : 01 FCC ID: 2AY4J-TK20 History of this test report Report No. Version Description Issued Date FR0D2801AL 01 Initial issue of report Aug. 06, 2021 FCC Radio Test Report Report No. : FR0D2801AL TEL : 886-3-3273456 Page Number : 4 of 24 FAX : 886-3-3270973 Issued Date : Aug. 06, 2021 Report Template No.: HE1-C10 Ver4.1 Report Version : 01 FCC ID: 2AY4J-TK20 Summary of Test Result Report Clause Ref.Std. Clause Test Items Result (PASS/FAIL) Remark 1.1.2 15.203 Antenna Requirement PASS - 3.1 15.207 AC Power-line Conducted Emissions PASS - 3.2 15.247(a) DTS Bandwidth PASS - 3.3 15.247(b) Maximum Conducted Output Power PASS - 3.4 15.247(e) Power Spectral Density PASS - 3.5 15.247(d) Emissions in Non-restricted Frequency Bands PASS - 3.6 15.2…

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Test Photos Appendix G SPORTON INTERNATIONAL INC. Page No. : G1 of G4 1. Photographs of Conducted Emissions Test Configuration Front view Side view Test Photos Appendix G SPORTON INTERNATIONAL INC. Page No. : G2 of G4 Under table view Test Photos Appendix G SPORTON INTERNATIONAL INC. Page No. : G3 of G4 2. Photographs of Radiated Emissions Test Configuration For radiated emissions 30MHz~1GHz Front view Rear view Test Photos Appendix G SPORTON INTERNATIONAL INC. Page No. : G4 of G4 For radiated emissions above 1GHz Front view Rear view ─────THE END─────