2ATWB-DTAT47L22C01Compact TETRA Base Station

Leonardo Cyber & Security Solutions Covered Equipment Certification Attestation Letter Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2ATWB-DTAT47L22C01 Leonardo S.p.a (“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. This includes certifying that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Leonardo S.p.a (“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. Signed: Date: Sept. 11, 2025 Printed name: Andrea Campora Title: Managing Director Cyber & Security Solutions Division Company Name: Leonardo S.p.a.

Leonardo Cyber & Security Solutions U.S. Agent Designation for Service of Process - Certification Attestation Letter Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: : 2ATWB-DTAT47L22C01 Per section 2.911(d)(7) of the FCC rules, Leonardo S.p.a. (“the Applicant”), FRN: 0028621795, certifies that the equipment for which authorization is sought is designated to the following U.S. Designated agent for service of process: Company Name: Selex ES, LLC Physical U.S. Company Address: 4221 Tudor Lane -Greensboro, NC 27410 Agent name: James Collum Agent Email Address: [email protected] FRN: 0033928615 The above contact person accepts the obligation for service of process. The applicant accepts 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. Date: 04/08/2025 Date: 04/08/2025 Designated Agent Signed: (Required, if different to Applicant): Applicant Signed: Signed: Signed: Printed name: James Collum Printed name: Andrea Campora Title: Systems Engineering Manager Title: Managing Director Cyber & Security Solutions Division Company Name: Selex ES, LLC Company Name: Leonardo S.p.a.

Leonardo Cyber & Security Solutions Family Certification Attestation Letter Nemko Canada Inc 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID: 2ATWB-DTAT47L22C01 Model: DTA Node 470 L/2 C 2D P/N: 775-1366/01; 775-1361/01 We hereby request Family Certification for the above-mentioned product names based on them being electrically and physically identical apart from part number. Part number 775-1361/01 is identical to the archetype part number 775-1366/01 (conformance tested) apart from the injected FPGA firmware on the TETRA crypto module. This firmware is responsible for the Air Encryption functions and impacts only on higher protocol layers of the TETRA standard. Signed: Date: Sept. 11, 2025 Printed name: Andrea Campora Title: Managing Director Cyber & Security Solutions Division Company Name: Leonardo S.p.a.

Leonardo Cyber & Security Solutions Equipment Authorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2ATWB-DTAT47L22C01 Product Name: 775-1366/01, 775-1361/01 Application for Certification of Transmitter with FCC ID: 2ATWB-DTAT47L22C01 The subject equipment is designed for operation in the 460-465 MHz frequency band and complies with CFR Title 47, Section 90. The operator can’t program and transmit on frequencies, other than those programmed by the manufacturer, service or maintenance personnel, using only the equipment’s external operation controls. It is a violation of FCC rules if the device operates on unauthorized frequencies. Signed: Date: Sept. 11, 2025 Printed name: Andrea Campora Title: Managing Director Cyber & Security Solutions Division Company Name: Leonardo S.p.a.

Leonardo - Società per azioni Sede legale: Piazza Monte Grappa, 4 - 00195 Roma - Italia Tel. +39 06 324731 - Fax +39 06 3208621 Cap. Soc. € 2,543,861,738.00 i.v. C.F. e Registro Imprese di Roma n. 00401990585 P.I. 00881841001 R.E.A. n. 7031 Leonardo Cyber & Security Solutions Nemko Canada Inc 303 River Road Ottawa, Ontario, Canada K1V 1H2 Attn: Director of Certification Object: Authority to Act as Agent On our behalf, I appoint Nemko Canada Inc. to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in FCC and Industry Canada’s regulations will have affixed to it a lab identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko Canada Inc, still resides with Leonardo S.p.a. – Piazza Monte Grappa, 4 – 00195 Roma. Dated this 13 Day of December 2024 Agency agreement expiration date: 12 Months By: Andrea Campora Signature Printed Title: Managing Director Cyber & Security Solutions Division On behalf of : Leonardo S.p.a. Telephone : +39 06-50275983 alle 14:11:44 CET il 14/12/2024

Leonardo Cyber & Security Solutions Equipment Authorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2ATWB-DTAT47L22C01 Product Name: 775-1366/01, 755-1361/01 Object: Part 90.203(j) Spectrum Efficiency “Applications for part 90 certification of transmitters designed to operate on frequencies in the 150.8-162.0125 MHz, 173.2-173.4 MHz, and/or 421-512 MHz bands, received on or after January 1, 2011, must include a certification that the equipment meets a spectrum efficiency standard of one voice channel per 6.25 kHz of channel bandwidth. Additionally, if the equipment is capable of transmitting data, has transmitter output power greater than 500 mW, and has a channel bandwidth of more than 6.25 kHz, the equipment must be capable of supporting a minimum data rate of 4800 bits per second per 6.25 kHz of channel bandwidth.” The applicant will notify the end users in the US that the 775-1366/01 and 775-1361/01 equipment is able to transmit data only and has the following specification: at nominal 25 kHz channel bandwidth, data rate is 19200 bits per second. Signed: Date: Sept. 11, 2025 Printed name: Andrea Campora Title: Managing Director Cyber & Security Solutions Division Company Name: Leonardo S.p.a.

Leonardo Cyber & Security Solutions Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY - FCC FCC ID: 2ATWB-DTAT47L22C01 Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☒ Short Term Internal Photos ☒ Permanent* ☐ Short Term Operation Description ☒ Permanent ☐ Short Term Parts List & Placement/BOM ☒ Permanent ☐ Short Term Tune-Up Procedure ☒ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐ Short Term Test Setup Photos ------------------ ☒ Short Term User’s Manual ☒ Permanent* ☐ Short Term (*) According to FCC guide “726920 D01 Confidentiality Request Procedures v01r02” (April 8, 2016), we demand that all the contents shown in the “Internal Photos” exhibit and the User Manual are subject to this Long-Term Confidentiality request. These materials contain registered technological patents and industrial property, then with strictly forbidden access to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to competitors. The product referred to is a non-consumer device and is serviceable by Leonardo S.p.a. personnel or by professional designated technicians under a Non-Disclosure Agreement (NDA). All sales for these devices are under NDA, restricting the disclosure of the propriety information, including internal photos. The User manual is a service instruction used by qualified technical personnel and is available only through a NDA between the service provider (or the seller) and Leonardo S.p.a.. The User manual is not available for download from the Leonardo S.p.a. website. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Date: Sept. 11, 2025 Printed name: Andrea Campora Title: Managing Director Cyber & Security Solutions Division Company Name: Leonardo S.p.a.

Prot. n. ACQ/AAAA/NNNN/NDA/XXX PRO079-T-IT-S rev.04 © Copyright Leonardo S.p.a. – All rights reserved Page 1 of 10 NON-DISCLOSURE AGREEMENT BETWEEN LEONARDO S.P.A. AND [TBD] Prot. n. ACQ/AAAA/NNNN/NDA/XXX PRO079-T-IT-S rev.04 © Copyright Leonardo S.p.a. – All rights reserved Page 2 of 10 LEONARDO S.p.a., a company duly organized under the laws of Italy, with registered office at Piazza Monte Grappa, 4 - 00195 Rome, Italy, registered with the Companies’ Register of Rome, held at the Rome Chamber of Commerce, under No. 00401990585, VAT No. (IT) 00881841001, represented herein by its duly authorized representative Mr. [...] (hereinafter referred to as "Leonardo”) AND [TBD] a company duly incorporated under the laws of [...], with registered office in [...], at [...], registered with [...] under No. [...], represented herein by Mr. (hereinafter referred to as “TBD”) Leonardo and TBD are hereinafter collectively referred to as the “Parties” and individually as the “Party”. RECITALS A. The Parties contemplate exchanging technical and/or commercial information, as well as documents in respect of the Purpose (as defined in Clause 1 below). B. In the furtherance of this exchange, the Parties intend to define the terms and conditions of the disclosure of Confidential Information (as defined in Clause 1 below) between themselves, in the light of the Purpose and to establish the rules on the use and protection of such information. NOW THEREFORE, in consideration of the mutual premises herein set forth, the Parties hereto agree as follows: 1. DEFINITIONS In this Agreement: “Agreement” shall mean this Non-Disclosure Agreement, including the Recitals. “Applicable Law” shall mean all laws, regulations, regulatory requirements, directives, orders and codes of practice of any relevant jurisdiction applicable to this Agreement as amended and in force from time to time. “Commencement Date” shall mean the date on which this Agreement is signed by both the Parties. “Confidential Information” shall mean any sensitive information (regardless of form or format, and including, but not limited to, designs, processes, drawings, specifications, data, trade secrets, software, know-how) in the care, custody or control of a Party which is disclosed to or observed by the other Party which is either regarded by the Disclosing Party as confidential and which is notified to the Receiving Party or is disclosed to or observed by the Receiving Party in circumstances in which the Receiving Party ought reasonably to be aware that the Disclosing Party regards the information as confidential, and, in any case, when disclosed orally or visually, is identified as confidential at the time of disclosure and is promptly (within thirty (30) days at the latest) confirmed and designated in writing as Confidential Information of the Disclosing Party with all protection and restriction as to use and disclosure applying during such thirty (30) days period, and includes but is not limited to: (a) any information which is marked ‘Commercial in Confidence’ or is marked with any other proprietary marking or which is or could be classified matter under the relevant Italian Laws and/or any other law as applicable; Prot. n. ACQ/AAAA/NNNN/NDA/XXX PRO079-T-IT-S rev.04 © Copyright Leonardo S.p.a. – All rights reserved Page 3 of 10 (b) any information that is protected by a user identification, password or other authentication mechanism; and/or (c) any information relating to products, technology, processes, specification, invention or design, whether patentable or not, used or developed by the Disclosing Party and trade secrets, knowledge, know-how and information of a commercially sensitive nature; and/or (d) the planned or actual financial or business affairs of the Disclosing Party or customers of the Disclosing Party. “Disclosing Party” shall mean that Party which directly or indirectly provides or makes available Confidential Information to the other in connection with this Agreement. “Keep Confidential” shall mean not disclosing, using, publishing, communicating, copying, duplicating, causing to be communicated or making available, or any attempt to facilitate or permit these acts to persons who are not parties to this Agreement, except in accordance with this Agreement and unless otherwise agreed in writing by the Parties. “Purpose” shall mean [•]. “Receiving Party” shall mean that Party which receives or obtains Confidential Information directly or indirectly from the Disclosing Party in connection with this Agreement. 2. INTERPRETATION 2.1. The headings are inserted for ease of reference only and shall not be considered in interpreting or construing this Agreement. 3. EFFECTIVENESS OF THE AGREEMENT 3.1. This Agreement shall come into force as from the Commencement Date. 4. OBLIGATIONS AND RESTRICTIONS ON DISCLOSURE 4.1. The Receiving Party hereby undertakes to: (i) keep Confidential and not disclose to any third party any Confidential Information which may come to its knowledge, either directly or indirectly, except upon express written authorization of the Disclosing Party and use the same degree of care as it uses to protect its own Confidential Information, but in no case less than what provided under clauses 5.2 and 5.2 in accordance with the level of confidentiality assigned; and (ii) use Confidential Information only to carry out the obligations relating to the Purpose of this Agreement; and (iii) ensure that any Confidential Information will only be disclosed to its employees, advisors, consultants and contractors on a “need to know” basis; in such case, upon request of the Disclosing Party, the Receiving Party shall notify in writing the identity of the persons to which the Confidential Information is going to be disclosed and the Receiving Party shall ensure compliance by such employees, advisors, consultants and contractors with the rules of confidentiality and protection herein provided; and (iv) implement all the necessary measur…

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

775-1366/01, 775-1361/01, DTA Node 470 L/2 C 2D - PRJ0083809 – FCC LABEL Label PRJ0083809 ©Copyright LEONARDO S.p.a. - All rights reserved a 775-1366/01, 775-1361/01, DTA Node 470 L/2 C 2D PRJ0083809 – FCC LABEL PRJ0083809 Label LIST OF FIGURES Figure 1 - Label Placement ...........................................................................................................................2 Figure 2 - FCC Label in position 23 ...............................................................................................................3 Figure 3 - FCC Label position 24 ...................................................................................................................4 775-1366/01, 775-1361/01, DTA Node 470 L/2 C 2D - PRJ0083809 – FCC LABEL Label 2 ©Copyright LEONARDO S.p.a. - All rights reserved PRJ0083809 The FCC Label location for models 775-1366/01 and 775-1361/01 are reported in position 23 e 24 of Figure 1. Figure 1 - Label Placement The labels in position 23 and 24 are shown respectively in Figure 3 and Figure 3. Figure 2 - FCC Label in position 23 775-1366/01, 775-1361/01, DTA Node 470 L/2 C 2D - PRJ0083809 – FCC LABEL Label 4 ©Copyright LEONARDO S.p.a. - All rights reserved PRJ0083809 Figure 3 - FCC Label in position 24 (PN 775-1366/01 and PN 775-1361/01)

Manufacturer: Leonardo S.p.a. Name:Roberto Giampaglia Product: Compact TETRA Base Station Title:Laboratories Manager FCC ID:2ATWB-DTAT47L22C01Signature: MPE limits (§1.1310) ModeFrequencyDuty Cycle Output Power 4 Antenna Peak Gain 5 EIRP 1 EIRPDistancePD 2 PD Limit 3 MarginPD/PD Limit MHz%dBmdBidBmmWcmmW/cm^2mW/cm^2dB 460-465 MHz (UHF)460.010047.2249.2833683000.073711.5313.20.04807 460-465 MHz (UHF)460.010047.21259.28336813000.737141.533.20.48074 460-465 MHz (UHF)460.010047.214.761.915523873001.372611.530.50.89518 1 EIRP = ( Power dBm + Antenna Gain dBi ) + 10 x Log ( Duty Cycle % / 100 ) 2 PD = EIRP / (4πD 2 ) 3 CFR 47 Part 1, §1.1310 (e), Table 1, (i) Limits for Occupational/Controlled Exposure 4 According to test report n. REP105950 5 See § 7.1 "ANTENNA TYPES AND RADIATION EXPOSURE LIMITS" in the User Manual

This test report shall not be partially reproduced without the prior written consent of Nemko S.p.A. The phase of sampling of equipment under test is carried out by the customer. Results indicated in this report refer exclusively to the tested samples and apply to the sample as received. Doc. No. TRF002 Rev. 1 Date 2025-04-04 00036 Test Report REP105950 Date of issue: July 17, 2025 Applicant: Leonardo S.p.a Piazza Montegrappa 4 Roma, 00195 Italy Product: Compact TETRA Base Station Model: DTA Node 470 L/2 C 2D FCC ID: 2ATWB-DTAT47L22C01 Specifications:  FCC 47 CFR Part 90 Subpart I Private Land Mobile Radio Services Report reference ID: REP105950 Page 2 of 42 00036 Test location Company name Nemko S.p.A. Address Via Del Carroccio, 4 City Biassono Province MB Postal code 20853 Country Italy Telephone +39 039 220 12 01 Facsimile +39 039 220 12 21 Website www.nemko.com Site number FCC: 682159 Tested by Daniele Guarnone Test engineer signature Reviewed by Paolo Barbieri Reviewer signature Limits of responsibility Note that the results contained in this report relate only to the items tested and were obtained in the period between the date of initial receipt of samples and the date of issue of the report. This test report has been completed in accordance with the requirements of ISO/IEC 17025. All results contain in this report are within Nemko S.p.A. ISO/IEC 17025 accreditation. Copyright notification Nemko S.p.A. authorizes the applicant to reproduce this report provided it is reproduced in its entirety and for use by the company’s employees only. Any use which a third party makes of this report, or any reliance on or decisions to be made based on it, are the responsibility of such third parties. Nemko S.p.A. accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report. Report reference ID: REP105950 Page 3 of 42 00036 Table of contents Table of contents ...................................................................................................................................................................................................... 3 Section 1. Report summary ............................................................................................................................................................................. 4 1.1 Applicant and manufacturer ................................................................................................................................................................................. 4 1.2 Test specifications ................................................................................................................................................................................................ 4 1.3 Test methods ........................................................................................................................................................................................................ 4 1.4 Statement of compliance ...................................................................................................................................................................................... 4 1.5 Exclusions ............................................................................................................................................................................................................. 4 1.6 Test report revision history................................................................................................................................................................................... 4 Section 2. Summary of test results .................................................................................................................................................................. 5 2.1 FCC Part 90 test results ......................................................................................................................................................................................... 5 Section 3. Equipment under test (EUT) details ................................................................................................................................................. 6 3.1 Sample information .............................................................................................................................................................................................. 6 3.2 EUT information ................................................................................................................................................................................................... 6 3.3 Technical information ........................................................................................................................................................................................... 6 3.4 Product description and theory of operation ....................................................................................................................................................... 6 3.5 EUT exercise details .............................................................................................................................................................................................. 7 3.6 EUT setup diagram ............................................................................................................................................................................................... 8 3.7 EUT sub assemblies .............................................................................................................................................................................................. 8 Section 4. Engineering considerations ............................................................................................................................................................. 9 4.1 Modifications incorpor…

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