2BVUUHCT-9016CIndustrial Radio Remote Transmitter

Rev 1/26/2023 Hangil Control 47, Geumo-daero 16-gil, Gumi-si, Gyeongsangbuk-do, Republic of Korea Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 05-29-2026 Ref: Attestation Statements Part 2.911(d)(7) Filing Grantee Code: 2BVUU FCC ID: 2BVUUHCT-9016C Applicant FRN: 0038349791 [Hangil Control] (“the applicant”) certifies that, as of the date of the filing of the application,[FCC US Agent, LLC] is our designated U.S. agent for service of process for the above referenced Grantee Code. [Hangil Control]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. [FCC US Agent, LLC]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 Grantee Code. Designated U.S. Agent Information: Name: FCC US Agent, LLC U.S. Agent FRN: 0033402884 Address: 3722 Illinois Avenue Saint Charles, IL 60174 United States Contact Person: Tim Payne Tel.: (708) 571-3148 Email:[email protected] Sincerely, [Hangil Control]FCC US Agent, LLC [Ju-Han,kim]Tim Payne

Hangil Control 47, Geumo-daero 16-gil, Gumi-si, Gyeongsangbuk-do, Republic of Korea Rev 2026-04-24 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 05-29-2026 Ref: Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) FCC ID: 2BVUUHCT-9016C Part 2.911(d)(5)(i) Hangil Control (“the applicant”) certifies that the equipment for which authorization is soughtis not “covered” equipment prohibited from receiving an equipment authorization pursuant to section2.903 of the FCC rules. Hangil Control (“the applicant”) certifies 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 toDA-24-886 and KDB 986446D01Covered Equipment Guidance section B(2a). Device is inherently compliant based on hardware limitations or software controls. Or A Software Bill of Materials (SBOM) is provided to the TCB for review, and  The end-user or third parties cannot install additional software on this device. Sincerely, Ju-Han, kim Hangil Control 47, Geumo-daero 16-gil, Gumi-si, Gyeongsangbuk-do, Republic of Korea Rev 2026-04-24 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 05-29-2026 Ref: Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) FCC ID: 2BVUUHCT-9016C Part 2.911(d)(5)(ii) Hangil Control (“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, Ju-Han, kim

47, Geumo-daero 16-gil, Gumi-si, Gyeongsangbuk-do, Republic of Korea Date: 2026.May.28 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Professional Installation Attestation. To Whom It May Concern, We, [Hangil Control], hereby declare that our product, [Industrial Radio Remote Transmitter / HCT-9016C], complies with the antenna requirements of FCC Rule Part 15.203. The device is designed and manufactured such that the antenna system cannot be modified, replaced, or constructed by the general public. This device must be installed and maintained strictly by trained technical professionals. The detailed justifications for professional installation are outlined below: • 1. Marketing and Sales Channels: The product is not intended for the general consumer market and is not sold through standard retail channels. It is marketed and sold exclusively through authorized distributors, system integrators, or directly to commercial/industrial enterprise customers. • 2. Professional Installation Requirement: The installation, alignment, and configuration of the device and its integrated/external antenna system require specialized technical knowledge, specific tools, and professional expertise. It involves complex RF environment assessment and regulatory compliance adjustments that cannot be performed by an average consumer. • 3. Application and Maintenance: The product is designated solely for commercial, industrial, or specialized infrastructure environments. Any subsequent maintenance, troubleshooting, or modification of the antenna assembly must be executed exclusively by certified technical professionals authorized by [Hangil Control]. Therefore, the requirement for a unique antenna coupler or permanent attachment under Part 15.203 is satisfied via this professional installation justification. Sincerely, ____김주한_______________________ (Signature) Name: Kim, Ju-Han Title: Part Leader Company Name: Hangil Control Address: 47, Geumo-daero 16-gil, Gumi-si, Gyeongsangbuk-do, Republic of Korea Email/Phone: [email protected]

Hangil Control 47, Geumo-daero 16-gil, Gumi-si, Gyeongsangbuk-do, Republic of Korea Date:05/29/2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Request of Confidentiality FCC ID:2BVUUHCT-9016C To Whom It may Concern: Pursuant to Sections 0.457 and 0.459 of the Commission`s Rules(CFR 47), and Section 552 (b) (4) of the Freedom of Information Act,Hangil Controlhereby requests confidentiality and treatment of certain information accompanying this application. The 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. We are also hereby request Short-Term Confidentiality for180 days after the grant as outlined in Public Notice DA 04-1705. This provision will giveHangil Controltemporary confidentiality of commercially sensitive information prior to product release. The requested permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT & SHORT-TERM CONFIDENTIAL LIST ExhibitDescription PERMANENT 1Block Diagram 2Schematics 3Part Lists 4Operation Description 5Part Location SHORT-TERM 6Internal Photos 7External Photos 8Test-Setup Photos 9User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be public before the date of the Grant for this application. Sincerely, Contact Name: Ju-Han, Kim Title: Team Leader

Hangil Control 47, Geumo-daero 16-gil, Gumi-si, Gyeongsangbuk-do, Republic of Korea Date:05/29/2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Letter of Authorization We, the undersigned, hereby authorizeChangwon Lee of CSA group koreato act on our behalf in all manners relating to application for equipment authorization forFCC ID: 2BVUUHCT-9016Cincluding signing of all documents relating to these matters. Any and all acts carried out byChangwon Lee of CSA group koreaon our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice fromHangil Control “I, 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. 853(a).” Sincerely, Contact Name: Ju-Han, Kim Title: Team Leader

2BVUUHCT-9016C

FCC ID: RF featureMode Test separation distance (mm) ANT Gain (dBi) Max. power with tune-up tolerance (dBm) Max. power with tune-up tolerance (mW) Power thresholds SAR test exclusion thresholds SRD2-GFSK (38.4 kbps)902.00~928.005.00.10011.0012.58932.437.50 Note1. Conclusion : SAR evaluation for general population exposure conditions by measurement or numerical simulation is not required KDB 447498 D01 clause 4.3.1 Step 1) SAR test exclusion thresholds for 100MHz to 6GHz at test separation distances ≤ 50 mm [ ( max. power of channel, including tune-up tolerance, mW ) / ( min. test separation distance, mm ) ] · [ √f(GHz) ] ≤ 3.0 for 1g SAR and ≤ 7.5 for 10g extremity SAR Sample Calculation = [ ( 12.5893mW / 5mm ) ] X [ √0.928GHz ] = 2.43 Note. The calculation result was rounded to two decimal place for comparison. 2BVUUHCT-9016C Transmitting Frequency(MHz) Standalone SAR test exclusion considerations

FORM-TRE005 Project : 80294832 TEST REPORT CSA Group Korea Ltd. 155, Osan-Ro, Mohyeon-eup, Cheoin-Gu, Yongin-Si, Gyeonggi-Do 16885 Republic of Korea www.csagroup.org Report No.: CSA-26-R-0021 Page (1) of (40) 1. Report No.: CSA-26-R-0021 2. Customer ◦ Name : Hangil Control ◦ Address : 47, Geumo-daero 16-gil, Gumi-si, Gyeongsangbuk-do, Republic of Korea 3. Use of Report: FCC Original Grant 4. Product Name / Model Name: Industrial Radio Remote Transmitter / HCT-9016C FCC ID :2BVUUHCT-9016C 5. FCC Regulation(s):FCC Part 15 Subpart C 247 Test Method used: 6. Date of Test: 2026-04-20 to 2026-04-30 7. Location of Test: ■ Permanent Testing Lab □ On Site Testing (Address: 155, Osan-Ro, Mohyeon-eup, Cheoin-Gu, Yongin-Si, Gyeonggi-Do 16885 Republic of Korea) 8. Testing Environment : See appended test report. 9. Test Result: Refer to the test result in the test report The results shown in this test report refer only to the sample(s) tested unless otherwise stated. Affirmation Tested byTechnical Manager Name : Sungjung Kim(Signature)Name : Changwin Lee (Signature) 2026-05-21 CSA Group Korea Ltd. As a test result of the sample which was submitted from the client, this report does not guarantee the whole product quality. This test report should not be used and copied without a written agreement by CSA Group Korea Ltd. CSA Group Korea Ltd. 155, Osan-Ro, Mohyeon-eup, Cheoin-Gu, Yongin- Si, Gyeonggi-Do 16885 Republic of Korea www.csagroup.org Report No.: CSA-26-R-0021 Page (2) of (42) FORM-TRE007 Project : 80294832 REPORT REVISION HISTORY DateRevisionPage No 2026-05-21Originally issued- This report shall not be reproduced except in full, without the written approval of CSA Group Korea Ltd. This document may be altered or revised by CSA Group Korea Ltd. personnel only, and shall be noted in the revision section of the document. Any alteration of this document not carried out by CSA Group Korea Ltd. will constitute fraud and shall nullify the document. This test report is a general report that does not use the KOLAS accreditation mark and is not related to KS Q ISO/IEC 17025 and KOLAS accreditation. General remarks for test reports Statement concerning the uncertainty of the measurement systems used for the tests (may be required by the product standard or client) Internal procedure used for type testing through which traceability of the measuring uncertainty has been established: Procedure number, issue date and title: Calculations leading to the reported values are on file with the testing laboratory that conducted the testing. Statement not required by the standard or client used for type testing CSA Group Korea Ltd. 155, Osan-Ro, Mohyeon-eup, Cheoin-Gu, Yongin- Si, Gyeonggi-Do 16885 Republic of Korea www.csagroup.org Report No.: CSA-26-R-0021 Page (3) of (42) FORM-TRE005 Project : 80294832 Contents 1. General Information .................................................................................. 5 1.1. Applicant information ........................................................................... 5 1.2. Laboratory information ........................................................................ 5 1.3 Description of EUT ................................................................................... 6 1.4 Declaration by the manufacturer ............................................................ 6 1.5 Test Equipment List ................................................................................. 7 1.6 Summary of Test Results ......................................................................... 8 1.7 Conclusion of worst-case and operation mode ..................................... 9 1.8 Measurement Uncertainty ..................................................................... 10 2. Radiated Spurious Emissions and Conducted Spurious Emission ...... 11 2.1. Test Setup .............................................................................................. 11 2.2. Limit ........................................................................................................ 11 2.3. Test Procedures .................................................................................... 13 2.3.1. Test Procedures for Radiated Spurious Emissions ....................... 13 2.3.2. Test Procedures for Conducted Spurious Emissions ................... 14 2.4. Test Results ........................................................................................... 15 2.4.1. Radiated Emission ............................................................................ 15 2.4.2. Conducted Spurious Emissions ...................................................... 21 3. Carrier Frequency Separation .................................................................. 27 3.1. Test Setup .............................................................................................. 27 3.2. Limit ........................................................................................................ 27 3.3 Test Procedure : ..................................................................................... 27 3.4 Test Results : .......................................................................................... 27 4. Number of Hopping Frequencies ............................................................. 29 4.1. Test Setup .............................................................................................. 29 4.2. Limit ........................................................................................................ 29 4.3 Test Procedure : ..................................................................................... 29 4.4 Test Results : .......................................................................................... 29 5. 20dBc BW ................................................................................................... 32 5.1. Test Setup .............................................................................................. 32 5.2. Limit …

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TEST REPORT - PRODUCT: Antenna - MODEL: HA-9030-S - Manufacturer : KUKJAE TELESYS CO., LTD. - Address: 124, Eutteum-ro, Deogyang-gu, Goyang-si, Gyeonggi-do, Republic of Korea - Postal Code : 10544 - Antenna Type: Helical Antenna - Frequency: 900-930MHz - Max Gain: 0.1 dBi