2BAH6-EBRHXADHRHRemote for automotive trailer brakes, providing operation and fault notifications and allowing configuration of braking.

To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 09, 2024 Subject: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2BAH6-EBRHXADHRH To Whom It May Concern, REDARC Electronics Pty Ltd certifies (“the applicant”) certifies that, as of the date of the filing of the application, REDARC Corporation is our designated U.S. agent for service of process for the above referenced FCC ID. REDARC Electronics Pty Ltd 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. REDARC Corporation 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: Name: REDARC Corporation Address: 1701 Northwest Highway, Suite 100, Grapevine, TX 76051, USA Contact Person: Peter Favilla Tel.: +1(704)247-5150 Email: [email protected] Regards, REDARC Electronics Pty Ltd REDARC Corporation 12/07/2024 X Simon Gallasch TEST & VALIDATION COMPLIANCE TEAM LEA... Signed by: Simon Gallasch 7/10/2024 X Peter Favilla President Mobile & Connected Vehicles - Execut... Signed by: Peter Favilla Applicant FCC FRN: 0033502907 US Agent FCC FRN: 0033502964

To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 12, 2024 Subject: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC ID: 2BAH6-EBRHXADHRH To Whom It May Concern, REDARC Electronics Pty Ltd (“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. Regards, 12/07/2024 X Simon Gallasch TEST & VALIDATION COMPLIANCE TEAM LEA... Signed by: Simon Gallasch

To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 9, 2024 Subject: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: 2BAH6-EBRHXADHRH To Whom It May Concern, REDARC Electronics Pty Ltd (“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. Regards, 9/07/2024 X Simon Gallasch TEST & VALIDATION COMPLIANCE TEAM LEA... Signed by: Simon Gallasch

EMC Technologies Pty. Ltd. ABN 82 057 105 549 Melbourne 176 Harrick Road Keilor Park, Vic 3042 Tel: +61 3 9365 1000 Sydney Unit 3/87 Station Road Seven Hills, NSW 2147 Tel: +61 2 9624 2777 Email: [email protected] Web: www.emctech.com.au EMC Technologies Pty Ltd, 176 Harrick Road, Keilor Park VIC 3042 Australia www.emctech.com.au To Federal Communications Commission Attention: Certification Officer EMCT Ref: M2405011 Date: July 15, 2024 Subject: REDARC Technologies Pty Ltd Request for Original Certification (FCC ID: 2BAH6-EBRHXADHRH) Product Name: Adhesive Mounted USB Remote Model: EBRHX-ADH-RH FCC ID: 2BAH6-EBRHXADHRH Radio: Nordic Semiconductor nRF52833 (BLE) Frequency Band: 2402 – 2480 MHz Antenna: PCB Inverted F Antenna Description: Remote for automotive trailer brakes, providing operation and fault notifications and allowing configuration of braking. Please Note: Permanent Confidentiality: Application includes request for permanent confidentiality – Operational Description, Block Diagram, Schematics Short-Term Confidentiality: Application includes request for short-term confidentiality – 180 days Internal Photos, External Photos, Test Setup Photos, User Manual FCC 15.19 statement exclusion: Application includes request to exclude the FCC 15.19 statement from the device. Please note: This was approved by TIMCO prior to submitting. Refer to RE_ FCC Certification queries - FCC 15.19 statement_Email from TIMCO.pdf included for reference. Agent: EMC Technologies is acting as agent for REDARC Technologies in this application. Regards _____________ Shabbir Ahmed CEO EMC Technologies Pty Ltd 176 Harrick Road, Keilor Park, VIC 3042 Australia Ph: +61 3 9365 1000 www.emctech.com.au

To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 12, 2024 Confidentiality Request regarding application for certification of FCC ID: 2BAH6-EBRHXADHRH 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 File Name Block Diagram CONF_BlockDiagram-EBRHX-ADH-RH Schematics CONF_Schematic-EBRHX-ADH-RH.pdf Operational Description CONF_OpDesc-EBRHX-ADH-RH.pdf 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 a period of 180 days: Exhibit Type File Name External Photos CONF_ExtPhotos.pdf Internal Photos CONF_InPhotos.pdf Test Setup Photos CONF_TSetupPhotos.pdf Manual CONF_UserManual-EBRHX-ADH-RH.pdf Sincerely, 12/07/2024 X Simon Gallasch TEST & VALIDATION COMPLIANCE TEAM LEA... Signed by: Simon Gallasch

To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 12, 2024 Subject: FCC Application for FCC ID: 2BAH6-EBRHXADHRH To Whom It May Concern, As per KDB 784748, Appendix A section A.2, we, REDARC Electronics Pty Ltd, hereby request permission to exclude the FCC 15.19 compliance statement from our device. The device's extremely small size (70.1 × 38 × 9.5mm) makes it impractical, due to manufacturing constraints, to include the FCC 15.19 compliance statement on the device in a practical and visible location, which also causes increased wear and tear on production equipment. The device does not utilize electronic labelling. The FCC 15.19 compliance statement shall be placed in the user manual. Regards, 12/07/2024 X Simon Gallasch TEST & VALIDADTION COMPLIANCE TEAM LE... Signed by: Simon Gallasch

To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: July 12, 2024 Subject: FCC Application for FCC ID: 2BAH6-EBRHXADHRH To Whom It May Concern, REDARC Electronics Pty Ltd (“the applicant”), hereby authorize Shabbir Ahmed at EMC Technologies Pty Ltd to act on our behalf, to apply to the Federal Communications Commission for FCC approval of our equipment. Any and all acts carried out by Shabbir Ahmed at EMC Technologies 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, 12/07/2024 X Simon Gallasch TEST & VALIDATION COMPLIANCE TEAM LEA... Signed by: Simon Gallasch

Label details 3. EBRHX-ADH-RH Labelling Method: Laser etching FCC ID: 2BAH6-EBRHXADHRH IC: 30290-EBRHXADHRH Unit Dimensions Print specification: back of the product

EMC Technologies Pty. Ltd. ABN 82 057 105 549 Melbourne 176 Harrick Road Keilor Park, Vic 3042 Tel: +61 3 9365 1000 Sydney Unit 3/87 Station Road Seven Hills, NSW 2147 Tel: +61 2 9624 2777 Email: [email protected] Web: www.emctech.com.au This report shall not be reproduced except in full. Page 1 of 9 RF Exposure Compliance Report Report No.: M2405011-2v2 TESTED FOR: REDARC Electronics Pty Ltd 23 Brodie Rd, Adelaide Australia 5160 ISSUED BY: EMC Technologies Pty. Ltd. 176 Harrick Road, Keilor Park, VIC, 3042, Australia. Contact: Simon Gallasch Email: [email protected] Web: www.emctech.com.au Tel: +61 8 7093 3732 Tel: +61 3 9365 1000 Product Name: TOW‑PRO LINK™ Adhesive Mounted USB Remote Model: EBRHX-ADH-RH FCC ID: 2BAH6-EBRHXADHRH Assessment Date: 24 May 2024 Issue Date: 17 July 2024 Specification(s): • 447498 D01 General RF Exposure Guidance v06 RF exposure procedures and equipment authorization policies for mobile and portable devices. Based on an assessment of the documentation provided, the TOW‑PRO LINK™ Adhesive Mounted USB Remote, model: EBRHX-ADH-RH is exempted from SAR evaluation. Test Engineers: Ashish Nath Authorized Signatory: Shabbir Ahmed NATA Accreditation No. 5292 Accredited for compliance with ISO/IEC 17025. NATA is a signatory to the ILAC Mutual Recognition Arrangement for the mutual recognition of the equivalence of testing, medical testing, calibration, inspection and proficiency testing scheme providers reports. EMR Test Report M2405011-2v2 This report shall not be reproduced except in full. Page 2 of 9 Revision History Version Issue Date Reason / Comments 1 16 July 2024 Initial issue 2 17 July 2024 Correction made to the applicant’s address General Remarks EMC Technologies Pty Ltd hereby certify that the device(s) described herein were tested as described in this report and that the data included is that which was obtained during such testing. EMC Technologies Pty Ltd reports apply only to the specific samples tested under stated test conditions. It is the manufacturer’s responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. EMC Technologies Pty Ltd shall have no liability for any deductions, inferences or generalisations drawn by the customer or others from EMC Technologies Pty Ltd issued reports. This report shall not be used to claim, constitute or imply product endorsement by EMC Technologies Pty Ltd. EMR Test Report M2405011-2v2 This report shall not be reproduced except in full. Page 3 of 9 Content 1 Project Overview ........................................................................................................................................ 4 1.1 Introduction ............................................................................................................................................. 4 1.2 Test Facility ............................................................................................................................................. 4 1.3 Standards Applied .................................................................................................................................. 5 1.4 Device Details ......................................................................................................................................... 5 1.5 Transmitters Details ................................................................................................................................ 5 2 SAR TEST EXCLUSION THRESHOLD FOR 100 MHz to 6 GHz and ≤50mm ......................................... 6 3 Uncertainty ................................................................................................................................................. 7 4 Assumptions in the Assessment ............................................................................................................. 7 6 Evaluation Result ....................................................................................................................................... 8 Appendix A ......................................................................................................................................................... 9 EMR Test Report M2405011-2v2 This report shall not be reproduced except in full. Page 4 of 9 1 Project Overview 1.1 Introduction The transmitter was assessed against FCC KDB 447498 D01 General RF Exposure Guidance v6. This report shows the SAR exclusion in accordance with FCC KDB 447498 D01 clause 4.3.1, The product sample and device information were provided by the customer 1.2 Test Facility Measurements were performed at the following location: ☒ Melbourne Laboratory 176 Harrick Road, Keilor Park, Vic 3042 ☐ Sydney Laboratory Unit 3/87 Station Road, Seven Hills, NSW 2147 EMC Technologies Pty. Ltd. is an independently owned Australian company that is NATA accredited to ISO 17025 for both testing and calibration and ISO 17020 for Inspection. – Accreditation Number 5292. Country Assessment Body Lab Code / Member No. Australia NATA Accreditation Number: 5292 Europe European Union Notified Body Number: 0819 USA FCC Designation Number: AU0001/AU0002 Canada ISED Canada CAB Identifier Number: AU0001/AU0002 Japan VCCI Company Number: 785 Taiwan BSMI Lab Code SL2-IN-E-5001R EMR Test Report M2405011-2v2 This report shall not be reproduced except in full. Page 5 of 9 1.3 Standards Applied Unless otherwise noted, only the cited edition applies. 447498 D01 General RF Exposure Guidance v06 RF exposure procedures and equipment authorization policies for mobile and portable devices *Latest version of the standard applied. 1.4 Device Details (Information supplied by the Client) The device is Adhesive Mounted USB Remote. Manufacturer: REDARC Electronics Pty Ltd Test Sample: TOW‑PRO LINK™ Adhesive Mounted USB Remote Sample Number: S01522 Rev: A PCB Version: PCB3367-6 Model Number: EBRHX-ADH-RH Distance From human body in normal u…

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FCC Antenna Specification This document is the property of REDARC Technologies PTY. LTD. REDARC - Antenna PCB3367 Specification Product related: EBRHX-ADH-RH FCC ID of the product related: 2BAH6- EBRHXADHRH REV Date Description of changes 1 18/July/2024 Initial release FCC Antenna Specification This document is the property of REDARC Technologies PTY. LTD. Contents 1. Scope ............................................................................................................................... 4 1. Antenna Specification ...................................................................................................... 5 2. General Specification ........................................................................................................ 6 FCC Antenna Specification This document is the property of REDARC Technologies PTY. LTD. Table of Figures Figure 1: 3D view of the Bluetooth antenna ................................................................................................ 6 Figure 2: Bluetooth Antenna Top Layer ....................................................................................................... 7 Figure 3: Bluetooth Antenna Bottom Layer ................................................................................................. 8 FCC Antenna Specification This document is the property of REDARC Technologies PTY. LTD. 1. Scope This document provides the antenna PCB3367 specifications for REDARC’s product EBRHX-ADH-RH, under the FCC ID 2BAH6-EBRHXADHRH. The antenna PCB3367 is a circuit-printed inverted F-type monopole antenna over the board of the product EBRHX-ADH-RH designed specifically for EBRHX-ADH-RH to communicate with a wireless device manufactured by REDARC. This means that the antenna is not a product itself and is part of the circuit board of EBRHX-ADH-RH. FCC Antenna Specification This document is the property of REDARC Technologies PTY. LTD. 1. Antenna Specification Modulation GFSK Nominal Bandwidth 2MHz (Bluetooth Low Energy) Antenna Model/Type PCB3367 inverted-F type monopole (PCB circuit Printed) Antenna Gain 1.1dBi Frequency Band 2.4GHz ISM Band (2.402 – 2.480 GHz Utilized) Polarization Vertical Input Impedance 50 ohms FCC Antenna Specification This document is the property of REDARC Technologies PTY. LTD. 2. General Specification The EBRHX-ADH-RH antenna poses its F-type monopole antenna used in the device, is shown in Figure 1 through Figure 3. No ground plane under and around the PCB antenna. Figure 1: 3D view of the Bluetooth antenna FCC Antenna Specification This document is the property of REDARC Technologies PTY. LTD. Figure 2: Bluetooth Antenna Top Layer FCC Antenna Specification This document is the property of REDARC Technologies PTY. LTD. Figure 3: Bluetooth Antenna Bottom Layer

Page 1 of 37 EMC Technologies Pty. Ltd. ABN 82 057 105 549 Melbourne 176 Harrick Road Keilor Park, Vic 3042 Tel: +61 3 9365 1000 Sydney Unit 3/87 Station Road Seven Hills, NSW 2147 Tel: +61 2 9624 2777 Email: [email protected] Web: www.emctech.com.au Accredited for compliance with ISO/IEC 17025 – Testing. The results of tests, calibration and/or measurements included in this document are traceable to Australian/national standards. NATA is a signatory to the ILAC Mutual Recognition Arrangement for the mutual recognition of the equivalence of testing, medical testing, calibration and inspection reports. This document shall not be reproduced except in full. RADIO TEST REPORT REPORT NUMBER: M2405011-5 TEST STANDARD: FCC PART 15 SUBPART C SECTION 15.247 ISED RSS-247 SECTION 5.0 CLIENT: REDARC ELECTRONICS PTY LTD DEVICE: TOW‑PRO LINK™ ADHESIVE MOUNTED USB REMOTE MODEL: EBRHX-ADH-RH FCC ID: 2BAH6-EBRHXADHRH IC: 30290-EBRHXADHRH DATE OF ISSUE: 17 JULY 2024 EMC Technologies Pty Ltd reports apply only to the specific samples tested under stated test conditions. It is the manufacturer’s responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. EMC Technologies Pty Ltd shall have no liability for any deductions, inferences or generalisations drawn by the client or others from EMC Technologies Pty Ltd issued reports. This report shall not be used to claim, constitute or imply product endorsement by EMC Technologies Pty Ltd. Page 2 of 37 Report No. M2405011-5 This document shall not be reproduced except in full. REVISION TABLE Version Sec/Para Changed Change Made Date 1 Initial issue of document 17/07/2024 Page 3 of 37 Report No. M2405011-5 This document shall not be reproduced except in full. CONTENTS 1 Test Summary .................................................................................................................... 7 2 Test Facility ........................................................................................................................ 7 2.1 General ......................................................................................................................... 7 2.2 Test Laboratory/Accreditations ..................................................................................... 7 3 Test Equipment Calibration ................................................................................................ 8 4 Measurement Uncertainty .................................................................................................. 8 5 Device Details..................................................................................................................... 9 5.1 EUT (Transmitter) Details ............................................................................................. 9 5.2 EUT (Host) Details ........................................................................................................ 9 5.3 Test Configuration ........................................................................................................ 9 5.4 Modifications ................................................................................................................. 9 5.5 Deviations from the Standard ....................................................................................... 9 6 Results .............................................................................................................................. 10 6.1 §15.203/ RSS-Gen 6.8 Antenna Requirement ........................................................... 10 6.2 §15.205/ RSS-Gen 8.10/ RSS-247 3.3 Restricted Bands of Operation ..................... 10 6.3 §15.207/ RSS-Gen 8.8 Conducted Limits .................................................................. 10 6.4 §15.209/ RSS-Gen 8.9 Radiated Emission Limits; General Requirements ............... 10 6.5 §15.247(a)(2)/ RSS-247 5.2(a) 6 dB bandwidth ......................................................... 10 6.5.1 Test Procedure .................................................................................................. 10 6.5.2 Limits .................................................................................................................. 10 6.5.3 Results ............................................................................................................... 10 6.6 §15.247(b)(3)/ RSS-247 5.4(d) Peak Output Power .................................................. 12 6.6.1 Test Procedure .................................................................................................. 12 6.6.2 Limits .................................................................................................................. 12 6.6.3 Results ............................................................................................................... 12 6.7 §15.247(d)/ RSS-247 5.5 Out-of-Band/Spurious Emissions ...................................... 14 6.7.1 Test procedure ................................................................................................... 14 6.7.2 Test setup .......................................................................................................... 15 6.7.3 Evaluation of field strength................................................................................. 16 6.7.4 Limits .................................................................................................................. 16 6.7.5 Transmitter Spurious Emissions: 9 kHz to 30 MHz ........................................... 17 6.7.6 Transmitter Spurious Emissions: 30 - 1000 MHz .............................................. 19 6.7.7 Transmitter Spurious Emissions: 1 - 18 GHz ..................................................... 22 6.7.8 Transmitter Spurious Emissions: 18 – 26 GHz .................................................. 28 6.8 §15.247(d)/ RSS-247 5.5 Band Edge Emission Measurements .....................…

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