2A3P6MERCURYLITELinear HF Amplifier

KM3KM Electronics LLC. 7901 SW 24 th ST Miami, FL 33155 (786) 362-3638 [email protected] Date June 17, 2024 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Extended Frequencies Justification Gentlemen: We, KM3KM Electronics LLC would like to submit the following justification to show the frequency range of 3.5-54 MHz) on the Grant of Equipment Authorization under Part 97 for our FCC ID: 2A3P6MERCURYLITE Per the FCC’S KDB 634817 guidance, as an alternative to listing the exact frequencies, we acknowledge that it’s a violation of the FCC Rules if this device operates on unauthorized frequencies. This radio is intended for use by federal agencies, public agencies, emergency services, as well as commercial, business, and industrial services. Additionally, it will be used in other countries that accept the FCC Grant of Equipment Authorization. These services account for a majority of users as described in the below table. Frequencies MHz Part 97 Federal ITU Region 3.5 – 4.0 97 4.0 – 4.995 X 1, 2, 3 5.005-5.275 X 1, 2, 3 5.275-5.45 97 5.45-7.00 X 1, 2, 3 7.00 – 7.300 97 7.300-10.100 X 1, 2, 3 10.100 – 10.15 97 10.15-14.00 X 1, 2, 3 14.00-14.35 97 14.35-18.068 X 1, 2, 3 18.068-18.168 97 18.168-21.0 X 1, 2, 3 21.- 21.45 97 21.45-24.89 X 1, 2, 3 24.89-24.99 97 24.99-28.0 X 1, 2, 3 28.0-29.7 97 29.7-50 X 1, 2, 3 50-54 97 Sincerely, Kenny Martine

KM3KM Electronics LLC 7901 SW 24th ST Miami, FL 33155 (786) 362-3638 [email protected] Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 08-02-2024 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID or Grantee Code: 2A3P6MERCURYLITE Applicant: FRN – 0031652134 KM3KM Electronics Inc. (“the applicant”) certifies that, as of the date of the filing of the application, we designate ourselves as the U.S. agent for service of process. Designated U.S. Agent Information: FRN: 0031652134 Company Name: KM3KM Electronics LLC Address: 7901 SW 24 th ST Miami, FL 33155 Contact Person: Kenny Martinez Tel.: 786-362-3638 Email: [email protected] Sincerely, Kenny Martinez

KM3KM Electronics LLC 7901 SW 24th ST Miami, FL 33155 (786) 362-3638 [email protected] Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 08-02-2024 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2A3P6MERCURYLITE KM3KM Electronics 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 a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Sincerely, Kenny Martinez

KM3KM Electronics LLC 7901 SW 24th ST Miami, FL 33155 (786) 362-3638 [email protected] m Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 08-02-2024 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2A3P6MERCURYLITE KM3KM Electronics 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, Kenny Martinez

KM3KM Electronics LLC. 7901 SW 24 th ST Miami, FL 33155 (786) 362-3638 [email protected] Date: June 17 2024 TIMCO ENGINEERING, INC. 13146 NW 86 th Drive, Suite 400 Alachua, FL 32615 SUBJECT: Application for Certification for FCC ID: 2A3P6MERCURYLITE To Whom It May Concern: We, the undersigned, hereby authorize Sharon Hoffman at Timco Engineering Inc. on our behalf, to apply to the Federal Communications Commission and ISED on our equipment. Any and all acts carried out by Sharon Hoffman at Timco Engineering Inc. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Kenny Martinez President

KM3KM Electronics LLC. 7901 SW 24 th ST Miami, FL 33155 (786) 362-3638 [email protected] June 17 2024 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2A3P6MERCURYLITE Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type Schematics Block Diagram Circuit Description Tuning Procedure Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for 180 Days. Exhibit Type Internal Photos User Manual Sincerely, Kenny Martinez President

1 Left View Right View 2 Top View Bottom View 3 Front View Rear View

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Test Report# TR_14398-24_FCC 1.1310/ MPE_ Revision: 1 Te s t Report - FCC Par t 1.1310/ MPE Applicant: KM3KM Electronics LLC Signature: Name & Title: Tim Royer, EMC Engineer Date of Signature 7/3/2024 Signature: Name & Title: Kristoffer Costa, EMC Technician Date of Signature 7/3/2024 This test report relates only to the items tested as identified and is not valid for any subsequent changes or modifications made to the equipment under test. 13146 NW 86 th Drive, Suite 400, Alachua, Florida 32615 (352) 472-5500 / [email protected] Page 2 of 9 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc., a subsidiary of Industrial Inspection & Analysis, Inc. (IIA). Table of Contents 1. APPLICANT INFORMATION ........................................................................................................................................................................... 3 2. LOCATION OF TESTING ................................................................................................................................................................................. 3 2.1 TEST LABORATORY ...................................................................................................................................................................... 3 3. TEST SAMPLE(S) (EUT/DUT) ........................................................................................................................................................................... 3 3.1 DESCRIPTION OF THE EUT .......................................................................................................................................................... 4 4. TEST METHODS & APPLICABLE REGULATORY LIMITS ............................................................................................................................ 5 4.1 TEST METHODS/STANDARDS/GUIDANCE: .................................................................................................................................... 5 4.1.1 FCC Limits for Maximum Permissible Exposure (MPE) .......................................................................................... 5 4.2 EQUATIONS ................................................................................................................................................................................ 6 5. RF EXPOSURE RESULTS .................................................................................................................................................................................. 7 6. HISTORY OF TEST REPORT CHANGES ........................................................................................................................................................ 8 13146 NW 86 th Drive, Suite 400, Alachua, Florida 32615 (352) 472-5500 / [email protected] Page 3 of 9 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc., a subsidiary of Industrial Inspection & Analysis, Inc. (IIA). 1. Applicant Information Applicant: KM3KM Electronics LLC Address: 7901 SW 24th Street Miami, Florida, 331, United States 2. Location of Testing 2.1 Test Laboratory Timco Engineering Inc. is a subsidiary of Industrial Inspection & Analysis, Inc. (“IIA”). Testing was performed at IIA’s permanent laboratory located at 13146 NW 86 th Drive, Suite 400, Alachua, Florida 32615. FCC test firm # 578780 FCC Designation # US1070 FCC site registration is under A2LA certificate # 0955.01 ISED Canada test site registration # 2056A EU Notified Body # 1177 For all designations see A2LA scope # 0955.01 3. Test Sample(s) (EUT/DUT) The test sample was received: 6/19/2024 Dates of Testing: 6/21/2024 – 7/2/2024 13146 NW 86 th Drive, Suite 400, Alachua, Florida 32615 (352) 472-5500 / [email protected] Page 4 of 9 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc., a subsidiary of Industrial Inspection & Analysis, Inc. (IIA). 3.1 Description of the EUT A description as well as unambiguous identification of the EUT(s) tested. Where more than one sample is required for technical reasons (such as the use of connected units for the purpose of conducted output power testing where the product units will have integral antennas), each specific test shall identify which unit was tested. Identification FCC ID: 2A3P6MERCURYLITE Brief Description Linear HF Amplifier Model(s) # Mercury Lite Firmware version N/A Software version N/A Serial Number N/A Technical Characteristics Frequency Range 3.5 MHz- 54 MHz RF O/P Power (Max.) 600W Modulation FM Bandwidth & Emission Class A1A, A3A, A3E, F1D, F3E, J1D, J3C, J3E, J3F Number of Channels N/A Duty Cycle 100% Antenna Connector UHF Voltage Rating (AC or Batt.) 52 VDC Battery Antenna Characteristics Antenna Frequency Range Mode / BW Antenna Gain 1 n/a n/a 0 dBi - Note: Information such as antenna gain, firmware/software numbers are provided by manufacturer and cannot be validated by the test lab. 13146 NW 86 th Drive, Suite 400, Alachua, Florida 32615 (352) 472-5500 / [email protected] Page 5 of 9 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc., a subsidiary of Industrial Inspection & Analysis, Inc. (IIA). 4. Test methods & Applicable Regulatory Limits 4.1 Test methods/Standards/Guidance: The following guidance FCC KDB 447498 D01 General RF Exposure Guidance v06 was used for RF exposure evaluation as per FCC Part 1.1310 and FCC Part 2.1091 and part 2.1093. Full test results are available in this report. 4.1.1 FCC Limits for Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging Time (minutes) A Limits for Occupational/Controlled Exposure 0.3-3.0 614 1.63 *(100) ≤6 3.0…

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Test Report# TR_14398-24_FCC 97_ Revision: 1 Test Report - FCC Par t 97 Applicant: KM3KM Electronics LLC Signature: Name & Title: Tim Royer, EMC Engineer Date of Signature 8/1/2024 Signature: Name & Title: Kristoffer Costa, EMC Technician Date of Signature 8/1/2024 This test report relates only to the items tested as identified and is not valid for any subsequent changes or modifications made to the equipment under test. 13146 NW 86 th Drive, Suite 400, Alachua, Florida 32615 (352) 472-5500 / [email protected] Page 2 of 47 This test report shall not be reproduced except in full without the written and signed permission of Timco Engineering Inc., a subsidiary of Industrial Inspection & Analysis, Inc. (IIA). Table of Contents 1. APPLICANT INFORMATION ........................................................................................................................................................................... 4 1.1 PART 97 TEST RESULT SUMMARY ............................................................................................................................................................................4 2. LOCATION OF TESTING ................................................................................................................................................................................. 5 2.1 TEST LABORATORY .................................................................................................................................................................................................... 5 3. TEST SAMPLE(S) (EUT/DUT) ........................................................................................................................................................................... 5 3.1 DESCRIPTION OF THE EUT ........................................................................................................................................................................................ 6 3.2 CONFIGURATION OF EUT ......................................................................................................................................................................................... 7 3.3 TEST SETUP OF EUT .................................................................................................................................................................................................. 7 4. TEST METHODS & APPLICABLE REGULATORY LIMITS ............................................................................................................................ 8 4.1 TEST METHODS/STANDARDS/GUIDANCE: ............................................................................................................................................................... 8 4.2 APPLIED LIMITS AND REGULATORY LIMITS: .............................................................................................................................................................. 8 5. MEASUREMENT UNCERTAINTY .................................................................................................................................................................... 8 6. ENVIRONMENTAL CONDITIONS ................................................................................................................................................................. 8 6.1 TEMPERATURE & HUMIDITY ...................................................................................................................................................................................... 8 7. LIST OF TEST EQUIPMENT AND TEST FACILITY ........................................................................................................................................ 9 7.1 LIST OF TEST EQUIPMENT ......................................................................................................................................................................................... 9 8. TEST RESULTS ................................................................................................................................................................................................. 10 8.1 POWER AT THE FINAL AMPLIFIER ............................................................................................................................................................................. 11 8.2 OUT-OF-BAND REJECTION ..................................................................................................................................................................................... 12 8.3 RF OUTPUT POWER ................................................................................................................................................................................................ 13 8.3.1 3.620888 MHz, FM, Power Input Signal .......................................................................................................................................... 14 8.3.2 7.15 MHz, FM, Power Input Signal..................................................................................................................................................... 15 8.3.3 14.2209 MHz, FM, Power Input Signal ............................................................................................................................................. 16 8.3.4 18.1 MHz, FM, Power Input Signal ..................................................................................................................................................... 17 8.3.5 28.64 MHz, FM, Power Input Signal.................................................................................................................................................. 18 8.3.6 50.184 MHz, FM, Power Input Signal ................................................................................................................................................ 19 8.3.7 RF Power Output Plot, …

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ANNEX B – Test Setup Photograph Exhibit KM3KM Electronics LLC Model: Mercury Lite FCC ID: 2A3P6MERCURYLITE Conducted Test Setup Radiated Testing, Table Setup #1 Radiated Testing, Below 1 GHz #1 Radiated Testing, Below 1 GHz #2 Radiated Testing, Below 1 GHz #3