2BAGY-MTEPMethane sensor

1395 Greg Street | Suite 102 | Sparks, NV | 89431 NevadaNano Confidential | http://nevadanano.com Attestation Letter Date: August 9, 2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5) FCC ID: 2BAGY-MTEP (1) Nevada Nanotech Systems, 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. (2) Nevada Nanotech Systems, 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 an entity producing “covered” equipment and is not an affiliate or subsidiary of an entity identified on the Covered List. Sincerely, Janet Smagala, CFO (775) 972-8943 53 [email protected] Nevada Nanotech Systems, Inc. 1395 Greg Street, 102 Sparks, NV 89431 United States

1395 Greg Street | Suite 102 | Sparks, NV | 89431 NevadaNano Confidential | http://nevadanano.com Attestation Letter for Agent August 9, 2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911 (d)(7) Filing FCC ID: 2BAGY-MTEP Nevada Nanotech Systems, Inc. certifies that, as of the date of the filing of the application, Nevada Nanotech Systems, Inc. is our designated U.S. agent for service of process for the above referenced FCC ID: 2BAGY-MTEP. Nevada Nanotech Systems, Inc. agrees to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission- related proceeding involving the equipment. Nevada Nanotech Systems, Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company name: Nevada Nanotech Systems, Inc. (FRN: 0033493842) Address: 1395 Greg Street, 102, Sparks, NV 89431 United States Contact person: Janet Smagala Tel: (775) 972-8943 53 Email: [email protected] Sincerely, Applicant Name Nevada Nanotech Systems, Inc. Applicant Printed Name Janet Smagala Applicant Signature

1395 Greg Street | Suite 102 | Sparks, NV | 89431 NevadaNano Confidential | http://nevadanano.com FCC Agent Authorization August 8, 2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We Nevada Nanotech Systems, Inc., the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corp. to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely; Janet Smagala, CFO (775) 972-8943 53 [email protected] Nevada Nanotech Systems, Inc. 1395 Greg Street, 102 Sparks, NV 89431 United States

1395 Greg Street | Suite 102 | Sparks, NV | 89431 NevadaNano Confidential | http://nevadanano.com Date: August 9, 2024 Attn: FCC Office of Engineering Technology Subject: Request for Confidentiality FCC ID: 2BAGY‐MTEP To whom it may concern: Pursuant to the provisions of 47 CFR Section 0.457(d) and 0.459 we request to withhold the following attachments as confidential documents from public disclosure indefinitely: ‐ Schematic diagram ‐ Block Diagram ‐ Operational Description The above documentation contains detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of the above documents might be harmful to our company. In addition to the above mentioned document, pursuant to Public Notice DA 04‐1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we are requesting the Commission grant short‐term confidentiality for a period of 180 days from the date of Grant of Equipment Authorization to the following attachments: ‐ External photos ‐ Internal photos ‐ Test Set‐up photos ‐ User Manual Sincerely; Clifford Clarke Regulatory Compliance Engineer

Label location: bottom cover plate Draft label artwork Methane Tracker Endpoint product Label Draft label artwork FCC ID: 2BAGY-MTEP IC: XXXXX-MTEP

Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 13 of 47 FCC Part 15C Test Report 5 FCC §2.1091, §15.247 - 102- RF Exposure 5.1 Applicable Standards According to FCC §15.247(i), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 * (100) 30 1.34-30 824/f 2.19/f * (180/f 2 ) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 f = frequency in MHz * = Plane-wave equivalent power density Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 14 of 47 FCC Part 15C Test Report 5.2 MPE Prediction Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 S = PG/4R² Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna 5.3 MPE Results for the FCC Maximum peak output power at antenna input terminal (dBm): 16.99 Maximum peak output power at antenna input terminal (mW): 50.00 Prediction distance (cm): 20 Prediction frequency (MHz): 902.3 Maximum Antenna Gain, typical (dBi): -0.91 Maximum Antenna Gain (numeric): 0.81 Power density of prediction frequency at 20.0 cm (mW/cm 2 ): 0.008 FCC MPE limit for uncontrolled exposure at prediction frequency (mW/cm 2 ): 0.60 The device is compliant with the requirement MPE limit for uncontrolled exposure. The maximum power density at the distance of 20 cm is 0.008mW/cm 2 . Limit is 0.60 mW/cm 2 .

Nevada Nano MethaneTrack 915 MHz ISM Antenna 08-09-2024 Device Under Test Antenna Details Antenna Details VSWR Device in Chamber Elevation 1 Vertical Polarization Elevation 1 Horizontal Polarization Elevation 2 Vertical Polarization Elevation 2 Horizontal Polarization Azimuth Vertical Polarization Azimuth Vertical Polarization Efficiency Peak Gain Summary Peak Gain dBi 902 MHz 915 MHz 928 MHz Elevation 1 V -0.95 -0.91 -1.01 Elevation 1 H -6.08 -6.22 -6.53 Elevation 2 V -1.24 -1.3 -1.38 Elevation 2 H -5.77 -5.99 -6.09 Azimuth V -1.65 -1.92 -1.86 Azimuth H -6.31 -6.1 -5.91 Peak Gain -0.95 -0.91 -1.01

Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 1 of 2 FCC Part 15C Test Report ANNEX A - Emission Bandwidth [Naming Convention] Channel (Low, Mid, High)_ Frequency (MHz)_Bandwidth (MHz)_ Measurement (Occupied Bandwidth)_Type (-20dB, 99percent) High Ch_914.9MHz_125kHz_Occupied Bandwidth_- 20dB High Ch_914.9MHz_125kHz_Occupied Bandwidth_99 percent Low Ch_902.3MHz_125kHz_Occupied Bandwidth_- 20dB Low Ch_902.3MHz_125kHz_Occupied Bandwidth_99 percent Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 2 of 2 FCC Part 15C Test Report Mid Ch_908.7MHz_125kHz_Occupied Bandwidth_- 20dB Mid Ch_908.7MHz_125kHz_Occupied Bandwidth_99 percent

Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 1 of 1 FCC Part 15C Test Report ANNEX B ‐ Output Power [Naming Convention] Channel (Low, Mid, High)_ Frequency (MHz)_Bandwidth (kHz)_ Measurement (Output Power) High Ch_914.9MHz_125kHz_Output PowerLow Ch_902.3MHz_125kHz_Output Power Mid Ch_908.7MHz_125kHz _Output Power

Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 1 of 2 FCC Part 15C Test Report ANNEX C - 100 kHz Bandwidth of Band Edges and Spurious Emissions at Antenna Terminals [Naming Convention] Mode (Hopping Mode) Channel (Low, Mid, High)_ Frequency (MHz)_Bandwidth (kHz)_ Measurement (20dBc, Lower/Upper Band Edge)_Frequency Range (MHz, GHz) High Ch_914.9MHz_125kHz_20dBc_30MHz-10GHz High Ch_914.9MHz_125kHz_20dBc_Upper Band Edge Low Ch_902.3MHz_125kHz_20dBc_30MHz-10GHz Low Ch_902.3MHz_125kHz_20dBc_Lower Band Edge Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 2 of 2 FCC Part 15C Test Report Mid Ch_908.6MHz_125kHz_20dBc_30MHz-10GHz Hopping Mode Lower Band Edge Hopping Mode Upper Lower Band Edge

Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 1 of 2 FCC Part 15C Test Report ANNEX D - Dwell Time Naming Convention Channel (Low, Mid, High)_Measurement (Dwell Time, Dwell Periodicity) High Channel Periodicity Low Channel Periodicity Mid Channel Periodicity Low Channel Dwell Time Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 2 of 2 FCC Part 15C Test Report Mid Channel Dwell Time High Channel Dwell Time

Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 1 of 1 FCC Part 15C Test Report ANNEX E - Hopping Channel Separation [Naming Convention] Channel (Low, Mid, High)_Measurement (Channel Separation) High Channel Separation Low Channel Separation Middle Channel Separation

Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA*, NIST, or any agency of the Federal Government. * This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “*” (Rev.2) FCC PART 15, SUBPART C TEST REPORT For Nevada Nanotechnologies, Inc. 1395 Greg St. Sparks, NV 89431, USA FCC ID: 2BAGY-MTEP R e p o r t T y p e : O r i gi n a l R e p o r t P r o d u c t T y p e: M e t h a n e S e n s o r Prepared By: Libass Thiaw Test Engineer Report Number: R2406041-DSS Report Date: 2024-09-23 Reviewed By: Christian McCaig RF Lead Engineer Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue, Sunnyvale, CA 94089, USA Tel: +1 (408) 732-9162, Fax: +1 (408) 732-9164 Nevada Nanotechnologies, Inc. FCC ID: 2BAGY-MTEP Report Number: R2406041-DSS Page 2 of 47 FCC Part 15C Test Report TABLE OF CONTENTS 1 General Description ..................................................................................................................................................... 5 1.1 Product Description for Equipment Under Test (EUT) ...................................................................................... 5 1.2 Mechanical Description of EUT ......................................................................................................................... 5 1.3 Objective ............................................................................................................................................................. 5 1.4 Related Submittal(s)/Grant(s) ............................................................................................................................. 5 1.5 Test Methodology ............................................................................................................................................... 5 1.6 Measurement Uncertainty ................................................................................................................................... 5 1.7 Test Facility Accreditations ................................................................................................................................ 6 2 System Test Configuration.......................................................................................................................................... 8 2.1 Justification ......................................................................................................................................................... 8 2.2 EUT Exercise Software....................................................................................................................................... 8 2.3 Duty Cycle Correction Factor ............................................................................................................................. 8 2.4 Equipment Modifications.................................................................................................................................. 10 2.5 Local Support Equipment ................................................................................................................................. 10 2.6 Remote Support Equipment .............................................................................................................................. 10 2.7 Interface Ports and Cabling ............................................................................................................................... 10 3 Summary of Test Results ............................................................................................................................................ 11 4 FCC §15.203 - Antenna Requirements ...................................................................................................................... 12 4.1 Applicable Standards ........................................................................................................................................ 12 4.2 Antenna Description ......................................................................................................................................... 12 5 FCC §2.1091, §15.247 - 102- RF Exposure ................................................................................................................ 13 5.1 Applicable Standards ........................................................................................................................................ 13 5.2 MPE Prediction ................................................................................................................................................. 14 5.3 MPE Results for the FCC ................................................................................................................................. 14 6 FCC §15.209, §15.247(d) - Spurious Radiated Emissions ........................................................................................ 15 6.1 Applicable Standards ........................................................................................................................................ 15 6.2 Test Setup ......................................................................................................................................................... 16 6.3 Block Diagram .................................................................................................................................................. 17 6.4 Test Procedure .................................................................................................................................................. 18 6.5 Corrected Amplitude & Margin Calculation...................................................................................…

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