2AS4FEPCOTX-320FM Transceiver

EL PASO COMMUNICATION SYSTEMS, INC 8301 NW 27 St. #1 Dorlal, FL 33122 United Sataes Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date:12-28-2023 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2AS4FEPCOTX-320 EL PASO COMMUNICATION 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. Sincerely, __________________________ (Applicant signature) Hilda Saad

EL PASO COMMUNICATION SYSTEMS, INC 8301 NW 27 St. #1 Dorlal, FL 33122 United Sataes 2.911 (d)(7)USA Agent v1.2 Section 2.911(d)(7) USA Agent for Service of Process Product Name: FM Transceiver FCC ID: 2AS4FEPCOTX-320 Model(s): TX-320 Brand Name: tXPRO 2.911(d)(7) USA Designated Agent for Service of Process We, EL PASO COMMUNICATION SYSTEMS, INC. (“the applicant”) designate EL PASO COMMUNICATION SYSTEMS, INC. NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent:We Acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledgeour acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation: We Acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent & Applicant Company name: EL PASO COMMUNICATION SYSTEMS, INC. Address: 1630 E Paisano Dr, Ste C,DEl Paso, TX 79901 United States Contact Name: Hilda Saad Telephone No: (915) 533-5119 Email: [email protected] FRN: 0001683218 Signature: __________________ Date: Dec.27, 2023 EL PASO COMMUNICATION SYSTEMS, INC 8301 NW 27 St. #1 Dorlal, FL 33122 United Sataes 2.911 (d)(7)USA Agent v1.2 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

EL PASO COMMUNICATION SYSTEMS, INC 8301 NW 27 St. #1 Dorlal, FL 33122 United Sataes Date: 2023-12-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Extended Frequencies Justification for Certification of Transmitter with FCC ID: 2AS4FEPCOTX-320 Dear Sir/Madam, This transmitter was designed to operate in following frequency ranges: 400-480MHz. To aid equipment authorization in other countries which accept the United States FCC Grant for Certification, EL PASO COMMUNICATION SYSTEMS, INC is requesting that the FCC lists the frequencies 400-480MHz under FCC Rule Parts 90 on the FCC Grant. EL PASO COMMUNICATION SYSTEMS, INC attests that the FM Transceiver will not be marketed to USA users with the frequency band which is not allowed by the rule part 90. Per the FCC’s KDB634817 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. Frequency Range (MHz） FCC Rule Part 400-406 For Federal 406.1-450 FCC Part 90 450-454 FCC Part 90 456-460 FCC Part 90 460-462.5375 FCC Part 90 462.7375-467.5375 FCC Part 90 467.7375-470 FCC Part 90 470-480 FCC Part 90 Also, equipment programming is the responsibility of Authorized Service Personnel, the FM Transceiver is complies with 47 CFR Part 90.203(e), in that the operator cannot directly program the transmit frequencies using the normally accessible external controls. Please contact me if you require any additional information. Sincerely Yours, Signature: __________________________ (Applicant signature) Hilda Saad

EL PASO COMMUNICATION SYSTEMS, INC 8301 NW 27 St. #1 Dorlal, FL 33122 United Sataes Date: 2023-12-28 FCC Part 90 Letter FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Declaration of compliance to the requirements of §90.203 With FCC ID: 2AS4FEPCOTX-320 Dear Sir/Madam, We, EL PASO COMMUNICATION SYSTEMS, INC, acknowledge that this device will not be marketed to USA users with the frequency band which is not allowed by rule part 90.203 and it is a violation of FCC rules if this device is operated on unauthorized frequencies inside the U.S.A. This equipment meets the requirements of the FCC Rules, Parts 90.203(e) and (g), as applicable. Programming of this products transmit frequencies can be performed ONLY by the manufacturer or by service or by maintenance personal. The operator can’t program transmit frequencies using the equipment’s external operation controls. This is to certify that the requirements of 47 CFR Part 90.203(j)(4) and (5) spectrum efficiency are met by the EL PASO COMMUNICATION SYSTEMS, INC demonstrated by the tests conducted on the sample radio provided. Additionally the radio also meets the requirement of one voice channel per 12.5 kHz of channel bandwidth for analogue speech (11k0F3E emission). Sincerely Yours, Signature: __________________________ (Applicant signature) Hilda Saad

EL PASO COMMUNICATION SYSTEMS, INC 8301 NW 27 St. #1 Dorlal, FL 33122 United Sataes Agent Authorization Company: EL PASO COMMUNICATION SYSTEMS, INC Address: 8301 NW 27 St. #1 Dorlal, FL 33122 United Sataes Product Name: FM Transceiver Model Number(s): TX-320 Product Description: FM Transceiver We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2023-12-28 Name: Hilda Saad Company: EL PASO COMMUNICATION SYSTEMS, INC

EL PASO COMMUNICATION SYSTEMS, INC 8301 NW 27 St. #1 Dorlal, FL 33122 United Sataes Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023-12-28 Subject; Request for Confidentiality FCC ID: 2AS4FEPCOTX-320 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely ________________________ Contact person: Hilda Saad

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FCC ID Label Location 40mm&45mm FCC ID: 2AS4FEPCOTX-320