U3Z-ARFWL55LoRa radio module

User Manual RTU LoRaWAN module Adeunis ARFWL55 902-928MHz 1 Table des matières Technical Support .................................................................................................................. 3 Environmental recommendations .......................................................................................... 3 Warnings ............................................................................................................................. 3 COMPLIANCE TO FCC US .................................................................................................... 5 1 DUAL CORE MANAGEMENT(RTU) ............................................................................... 9 1.1 Mailbox mechanism ..............................................................................................12 2 LoRaWAN stack description...........................................................................................11 2.1 Channel description ..............................................................................................14 2.2 Module operation ..................................................................................................15 3 Specification ARFWL55 .................................................................................................. 9 4 AT command .................................................................................................................10 User Manual RTU LoRaWAN module Adeunis ARFWL55 902-928MHz 2 DISCLAIMER This document and the use of any information contained therein, is subject to the acceptance of the Adeunis RF terms and conditions. They can be downloaded from www.adeunis.com. Adeunis makes no warranties based on the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Adeunis reserves all rights to this document and the information contained herein. Reproduction use or disclosure to third parties without express permission is strictly prohibited. Copyright © 2016, Adeunis. Adeunis is a registered trademark in the EU and other countries. All rights to this manual are the exclusive property of ADEUNIS All rights reserved. Copying this manual (without written permission from the owner) via printing, copying, recording or by any other means, translating this manual (in full or partially) into any other language, including all programming languages, using any electrical, mechanical, magnetic or optical devices, manually or any by other methods, is prohibited. ADEUNIS reserves the right to change the technical specifications or functions of its products, or to cease manufacturing any of its products, or to cease technical support for one of its products without notice in writing and urges its customers to make sure that the information they have is valid. ADEUNISF configuration software and programs are available free of charge in a non- modifiable version. ADEUNISF can make no guarantees, including guarantees concerning suitability and applicability for a certain type of application. Under no circumstances can the manufacturer, or the distributor of an ADEUNIS RF program, be held liable for any damage caused by the use of the aforesaid program. Program names, as well as all copyright relating to programs, are the exclusive property of ADEUNIS. Any transfer, granting of licenses to a third party, leasing, hire, transport, copying, editing, translation, modification into another programming language or reverse engineering are prohibited without ADEUNIS’s prior written authorization and consent. ADEUNIS 283, rue Louis Néel 38920 Crolles France Telephone +33 (0)4 76 92 07 77 Fax +33 (0)4 76 04 80 87 User Manual RTU LoRaWAN module Adeunis ARFWL55 902-928MHz 3 Technical Support Website Our website contains much useful information: modules and stand-alone products information, user guides, configuration software and technical documents which can be accessed 24 hours a day. Email If you have technical problems or cannot find the required information in the provided documents, contact our Technical Support by email. Use our dedicated email address ([email protected])) rather than any personal email address of our staff. This makes sure that your request is processed as soon as possible. Helpful Information when Contacting Technical Support When contacting Technical Support please have the following information ready: • Product type (e.g. Wireless M-Bus), • Firmware version (e.g. V3.03) • Clear description of your question or the problem • A short description of the application • Your complete contact details Environmental recommendations All superfluous packaging materials have been eliminated. We have done everything possible to make it easy to separate the packaging into three types of materials: cardboard (box), expanded polystyrene (filler material) and polyethylene (packets, foam protective sheets). Your device is composed of materials that can be recycled and reused if it is dismantled by a specialist company. Please observe local regulations concerning the manner in which waste packaging material, used batteries and your obsolete equipment are disposed of. Warnings Valid for the following product: ARFWL55 +AA Read the instructions in the manual The safety of this product is only guaranteed when it is used in accordance with its purpose. Maintenance should only be carried out by qualified persons. Please note, do not install the equipment close to a heat source or in damp conditions. Warning: Do not open the product, risk of electric shock. Please note: for your own safety, you must ensure that the equipment is switched off before carrying out any work on it. Please note: For your safety, the power supply circuit must be SELV (Safety Extra Low Voltage) and must be a limited power sources. Please note: for you own safety, you must ensure that equipment is switched off before carrying out any work…

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LoRaWAN module Adeunis ARFWL55 902-928MHz US version Ce document est la propriété de adeunis et ne peut-être reproduit ou communiqué sans son autorisation Parc Technologique Pré Roux – 283 rue Louis Néel – 38920 CROLLES – France Office : +33(0)4 76 92 01 62 – Fax : +33 (0)4 76 04 80 87 www.adeunis.com – www.vokkero.com SA au capital de 8.731.840 € - SIRET B 430 190 496 – RCS Grenoble – APE 2630Z - TVA Intracommunautaire FR80430190496 Label sample

Ground plane FCC ID: U3Z-ARFWL55 Anechoic chamber setup Between 30 MHz and 1 GHz Turntable 1: Equipment Under Test 2: Measurement antenna 3: Measurement equipment Above 1 GHz 1: Equipment Under Test 2: Measurement antenna 3: Measurement equipment Distance : 3 m 2 1 Antenna mast with range 1 m to 4 m 1.5 m 3 Turntable 1 2 Antenna mast with range 1 m to 4 m 0.8 m 3 Distance : 3 m Radiated measurement setup between 30 MHz to 200 MHz Radiated measurement setup between 200 MHz to 1000 MHz Radiated measurement setup above 1 GHz Installation of Equipment Under Test Position 1 Position 2 Position 3 Conducted measurement setup

Date : 04/03/2026 Page 1 / 6 Parc Technologique Pré Roux – 283 rue Louis Néel – 38920 CROLLES – France Office : +33(0)4 76 92 01 62 – Fax : +33 (0)4 76 04 80 87 www.adeunis.com 868 915 MHz Antenna – ARFWL55 Specifications Document revision Version Date Author Comment 1.0 19/02/2026 CRA Version Initial Date : 04/03/2026 Page 2 / 6 Parc Technologique Pré Roux – 283 rue Louis Néel – 38920 CROLLES – France Office : +33(0)4 76 92 01 62 – Fax : +33 (0)4 76 04 80 87 www.adeunis.com Index 1. PHYSICAL SPECIFICATIONS ......................................................................................................... 3 2. PERFORMANCES ............................................................................................................................ 5 2.1 MEASURED PERFORMANCES ................................................................................................................... 5 Date : 04/03/2026 Page 3 / 6 Parc Technologique Pré Roux – 283 rue Louis Néel – 38920 CROLLES – France Office : +33(0)4 76 92 01 62 – Fax : +33 (0)4 76 04 80 87 www.adeunis.com 1. Physical Specifications Figure 1 Antenna layout in Bottom Figure 2 Physical Dimensions 1st antenna Date : 04/03/2026 Page 4 / 6 Parc Technologique Pré Roux – 283 rue Louis Néel – 38920 CROLLES – France Office : +33(0)4 76 92 01 62 – Fax : +33 (0)4 76 04 80 87 www.adeunis.com Figure 3 Physical Dimensions 2 nd antenna Date : 04/03/2026 Page 5 / 6 Parc Technologique Pré Roux – 283 rue Louis Néel – 38920 CROLLES – France Office : +33(0)4 76 92 01 62 – Fax : +33 (0)4 76 04 80 87 www.adeunis.com 2. Performances 2.1 Measured performances Figure 6 Farfield Simulation Figure 9 Radiation Pattern 915M Vertical Polarization Date : 04/03/2026 Page 6 / 6 Parc Technologique Pré Roux – 283 rue Louis Néel – 38920 CROLLES – France Office : +33(0)4 76 92 01 62 – Fax : +33 (0)4 76 04 80 87 www.adeunis.com PAR Polarisation V Polarisation H 868 Low Power 14 dBm 12.41 dBm 0 dBm 868 High Power 14 dBm 16.7 dBm 1.2 dBm 915 22dBm 20.3 dBm 9 dBm 923 14 dBm 13.7 dBm 0.8 dBm Conducted power: 21 dBm Radiated power: 20.3 dBm Antenna gain: +/-1 dBi

Siège Social : Emitech - 3, rue des Coudriers - Z.A. de l’Observatoire - 78180 MONTIGNY LE BX - France Siret : 344 545 645 00022 - Tél. : 33 (0)1 30 57 55 55 - Fax : 33 (0)1 30 43 74 48 - E-mail : [email protected] - URL : www.emitech.fr SAS au capital de 1 560 000 € - R.C.S. VERSAILLES 344 545 645 - APE 7112B S 51 RTY 000 INT 00015 [ 05 ] RRA-EMIESS25C202ADE-09Av0 Radio test report According to the standard: CFR 47 FCC PART 15 RSS GEN – Issue 5 RSS 247 – Issue 3 Equipment under test: ARFWL55 integrated to Renew Adeunis range FCCID : U3Z-ARFWL55 Company: ADEUNIS Distribution: Mr Emmanuel MONNET (Company: ADEUNIS) Number of pages: 69 with 3 appendixes Technical Verification and Quality Approval Ed. Date Modified Page(s) Name and Function Visa 0 3-Mar-26 Creation J.C. BOGA, Laboratories Manager Duplication of this document is only permitted for an integral photographic facsimile. It includes the number of pages referenced here above. This document is the result of testing a specimen or a sample of the product submitted. It does not imply an assessment of the conformity of the whole manufactured products of the tested sample. Information in italics are declared by the manufacturer/customer and are under his responsibility LIST OF ACCREDITED SITES AND SCOPE AVALAIBLE ON WWW.COFRAC.FR TESTING ACCREDITATIONS N° 1-7460 RRA-EMIESS25C202ADE-09Av0 Page 2/69 DESIGNATION OF PRODUCT: ARFWL55 integrated to Renew Adeunis range Serial number (S/N): 0018B2100001ACA5 Reference / model (P/N): ARFWL55 Software version: V1.3.0 MANUFACTURER: ADEUNIS COMPANY SUBMITTING THE PRODUCT: Company: ADEUNIS Address: 283, rue Louis Neel Parc technologique Pre Roux 38920 CROLLES FRANCE Responsible: Mr Emmanuel MONNET DATE(S) OF TEST: From 22-Apr-25 to 28-Apr-25 TESTING LOCATION: EMITECH LYON laboratory at CHASSIEU (69) FRANCE FCC Accredited under US-EU MRA Designation Number: FR0013 Test Firm Registration Number: 807590 ISED Accredited under CANADA-EU MRA Designation Number: FR0007 Industry Canada Registration Number: 4379D TESTED BY: T. LEDRESSEUR VISA: WRITTEN BY: T. LEDRESSEUR RRA-EMIESS25C202ADE-09Av0 Page 3/69 CONTENTS TITLE PAGE 1. INTRODUCTION ....................................................................................................................................... 4 2. PRODUCT DESCRIPTION ....................................................................................................................... 4 3. NORMATIVE REFERENCE ...................................................................................................................... 6 4. TEST METHODOLOGY ............................................................................................................................ 7 5. TEST EQUIPMENT CALIBRATION DATES ............................................................................................ 8 6. TESTS RESULTS SUMMARY .................................................................................................................. 9 7. MEASUREMENT UNCERTAINTY ...........................................................................................................11 8. AC CONDUCTED EMISSIONS................................................................................................................12 9. OCCUPIED BANDWIDTH .......................................................................................................................15 10. BAND EDGE ............................................................................................................................................32 11. OUTPUT POWER ....................................................................................................................................40 12. RADIATED SPURIOUS EMISSIONS ......................................................................................................45 13. POWER SPECTRAL DENSITY ...............................................................................................................53 APPENDIX 1: CALCULATION EXAMPLE FOR RADIATED SPURIOUS EMISSION ...................................................... 66 APPENDIX 2: TEST EQUIPMENT LIST ........................................................................................................................... 67 APPENDIX 3: RADIATED TEST SETUP .......................................................................................................................... 69 REVISIONS HISTORY Revision Date Modified pages Modifications 0 13-May-25 / Creation RRA-EMIESS25C202ADE-09Av0 Page 4/69 1. INTRODUCTION This report presents the results of radio test carried out on the following radio equipment: ARFWL55 integrated to Renew Adeunis range, in accordance with normative reference. This report concern only the test plan 4 and 5 indicated below. 2. PRODUCT DESCRIPTION Utilization: Residential use Power source: Internal battery 3.7Vdc Antenna type and gain: External antenna, gain 1dBi (maximum gain) Operating frequency band: From 902 MHz to 928 MHz Channel plan 1 (US 915) Operating frequency range: From 902.3 MHz to 914.9 MHz Number of channels: 64 Channel spacing: 200kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 10 During test the output power was adjusted at the maximal level with the following setting (Power 20) Channel plan 2 (AU 915) Operating frequency range: From 915.2 MHz to 927.8 MHz Number of channels: 64 Channel spacing: 200kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 10 During test the output power was adjusted at the maximal level with the following setting (Power 20) RRA-EMIESS25C202ADE-09Av0 Page 5/69 Channel plan 3 (AS 923) Operating frequency range: From 923.2 MHz to 923.4 MHz Number of channels: 2 Channel spacing: 200kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 10 During test the output power was adjusted at the maximal level with the following setting (Power 16) Channel plan 4 (US 915) Operating frequency range: Fro…

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Siège Social : Emitech - 3, rue des Coudriers - Z.A. de l’Observatoire - 78180 MONTIGNY LE BX - France Siret : 344 545 645 00022 - Tél. : 33 (0)1 30 57 55 55 - Fax : 33 (0)1 30 43 74 48 - E-mail : [email protected] - URL : www.emitech.fr SAS au capital de 1 560 000 € - R.C.S. VERSAILLES 344 545 645 - APE 7112B S 51 RTY 000 INT 00015 [ 05 ] RRA-EMIESS25C202ADE-08Av0 Radio test report According to the standard: CFR 47 FCC PART 15 RSS GEN – Issue 5 RSS 247 – Issue 3 Equipment under test: ARFWL55 integrated to Renew Adeunis range FCCID : U3Z-ARFWL55 Company: ADEUNIS Distribution: Mr Emmanuel MONNET (Company: ADEUNIS) Number of pages: 137 with 3 appendixes Technical Verification and Quality Approval Ed. Date Modified Page(s) Name and Function Visa 0 5-Mar-26 Creation J.C. BOGA, Laboratories Manager Duplication of this document is only permitted for an integral photographic facsimile. It includes the number of pages referenced here above. This document is the result of testing a specimen or a sample of the product submitted. It does not imply an assessment of the conformity of the whole manufactured products of the tested sample. Information in italics are declared by the manufacturer/customer and are under his responsibility LIST OF ACCREDITED SITES AND SCOPE AVALAIBLE ON WWW.COFRAC.FR TESTING ACCREDITATIONS N° 1-7460 RRA-EMIESS25C202ADE-08Av0 Page 2/137 DESIGNATION OF PRODUCT: ARFWL55 integrated to Renew Adeunis range Serial number (S/N): 0018B2100001ACA5 Reference / model (P/N): ARFWL55 Software version: V1.3.0 MANUFACTURER: ADEUNIS COMPANY SUBMITTING THE PRODUCT: Company: ADEUNIS Address: 283, rue Louis Neel Parc technologique Pre Roux 38920 CROLLES FRANCE Responsible: Mr Emmanuel MONNET DATES OF TEST: From 22-Apr-25 to 28-Apr-25 TESTING LOCATION: EMITECH LYON laboratory at CHASSIEU (69) FRANCE FCC Accredited under US-EU MRA Designation Number: FR0013 Test Firm Registration Number: 807590 ISED Accredited under CANADA-EU MRA Designation Number: FR0007 Industry Canada Registration Number: 4379D TESTED BY: T. LEDRESSEUR VISA: WRITTEN BY: T. LEDRESSEUR RRA-EMIESS25C202ADE-08Av0 Page 3/137 CONTENTS TITLE PAGE 1. INTRODUCTION ....................................................................................................................................... 4 2. PRODUCT DESCRIPTION ....................................................................................................................... 4 3. NORMATIVE REFERENCE ...................................................................................................................... 6 4. TEST METHODOLOGY ............................................................................................................................ 7 5. TEST EQUIPMENT CALIBRATION DATES ............................................................................................ 8 6. TESTS RESULTS SUMMARY .................................................................................................................. 9 7. MEASUREMENT UNCERTAINTY ...........................................................................................................11 8. AC CONDUCTED EMISSIONS................................................................................................................12 9. CARRIER FREQUENCY SEPARATION .................................................................................................15 10. NUMBER OF HOPPING FREQUENCIES................................................................................................24 11. DWELL TIME ...........................................................................................................................................28 12. OCCUPIED BANDWIDTH .......................................................................................................................45 13. BAND EDGE ............................................................................................................................................76 14. OUTPUT POWER ....................................................................................................................................98 15. RADIATED SPURIOUS EMISSIONS ....................................................................................................105 16. POWER SPECTRAL DENSITY .............................................................................................................116 APPENDIX 1: CALCULATION EXAMPLE FOR RADIATED SPURIOUS EMISSION .................................................... 133 APPENDIX 2: TEST EQUIPMENT LIST ......................................................................................................................... 134 APPENDIX 3: RADIATED TEST SETUP ........................................................................................................................ 137 REVISIONS HISTORY Revision Date Modified pages Modifications 0 25-Feb-26 / Creation RRA-EMIESS25C202ADE-08Av0 Page 4/137 1. INTRODUCTION This report presents the results of radio test carried out on the following radio equipment: ARFWL55 integrated to Renew Adeunis range, in accordance with normative reference. This report concern only the test plan 1, 2 and 3 indicated below. 2. PRODUCT DESCRIPTION Utilization: Residential use Power source: Internal battery 3.7Vdc Antenna type and gain: External antenna, gain 1dBi (maximum gain) Operating frequency band: From 902 MHz to 928 MHz Channel plan 1 (US 915) Operating frequency range: From 902.3 MHz to 914.9 MHz Number of channels: 64 Channel spacing: 200kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 10 During test the output power was adjusted at the maximal level with the following setting (Power 20) Channel plan 2 (AU 915) Operating frequency range: From 915.2 MHz to 927.8 MHz Number of channels: 64 Channel spacing: 200kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 10 During test the output power was adjusted at the maximal le…

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S 51 RTY 000 EMF 00006 [ 0 4 ] Siège Social : Emitech – 3 avenue des Coudriers - Z.A. de l’Observatoire - 78180 MONTIGNY LE BX - France Siret : 344 545 645 00022 - Tél. : 33 (0)1 30 57 55 55 - Fax : 33 (0)1 30 43 74 48 - E-mail : [email protected] - URL : www.emitech.fr SAS au capital de 1 560 000 € - R.C.S. VERSAILLES B 344 545 645 - APE 7112B REM- EMIESS25C202ADE-05Av0 MPE test report According to the standard: CFR 47 FCC PART 15 Equipment under test: ARFWL55 integrated to Renew Adeunis range FCCID : U3Z-ARFWL55 Company: ADEUNIS Distribution: Mr Emmanuel MONNET (Company: ADEUNIS) Number of pages: 6 with 1 appendix Technical Verification and Quality Approval Ed. Date Modified Page(s) Name and Function Visa 0 3-Mar-26 Creation J.C. BOGA, Laboratories Manager Duplication of this document is only permitted for an integral photographic facsimile. It includes the number of pages referenced here above. This document is the result of testing a specimen or a sample of the product submitted. It does not imply an assessment of the conformity of the whole manufactured products of the tested sample. Information in italics are declared by the manufacturer/customer and are under his responsibility REM- EMIESS25C202ADE-05Av0 Page 2/6 DESIGNATION OF PRODUCT: ARFWL55 integrated to Renew Adeunis range Serial number (S/N): 0018B2100001ACA5 Reference / model (P/N): ARFWL55 Software version: V1.3.0 MANUFACTURER: ADEUNIS COMPANY SUBMITTING THE PRODUCT: Company: ADEUNIS Address: 283, rue Louis Neel Parc technologique Pre Roux 38920 CROLLES FRANCE Responsible: Mr Emmanuel MONNET DATE(S) OF EVALUATION: 27-Feb-26 TESTING LOCATION: EMITECH LYON laboratory at CHASSIEU (69) FRANCE FCC Accredited under US-EU MRA Designation Number: FR0013 Test Firm Registration Number: 807590 ISED Accredited under CANADA-EU MRA Designation Number: FR0007 Industry Canada Registration Number: 4379D TESTED BY: T. LEDRESSEUR VISA: WRITTEN BY: T. LEDRESSEUR REM- EMIESS25C202ADE-05Av0 Page 3/6 CONTENTS TITLE PAGE 1. INTRODUCTION ....................................................................................................................................... 4 2. PRODUCT DESCRIPTION ....................................................................................................................... 4 3. NORMATIVE REFERENCE ...................................................................................................................... 6 4. RF EXPOSURE ......................................................................................................................................... 6 REVISIONS HISTORY Revision Date Modified pages Modifications 0 3-Mar-26 / Creation REM- EMIESS25C202ADE-05Av0 Page 4/6 1. INTRODUCTION This report presents the results of radio test carried out on the following radio equipment: ARFWL55 integrated to Renew Adeunis range, in accordance with normative reference. The equipment under test is a LoRa radio module 2. PRODUCT DESCRIPTION Utilization: Residential use Power source: Internal battery 3.7Vdc Antenna type and gain: External antenna, gain 1dBi (maximum gain) Operating frequency band: From 902 MHz to 928 MHz Channel plan 1 (US 915) Operating frequency range: From 902.3 MHz to 914.9 MHz Number of channels: 64 Channel spacing: 200kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 10 During test the output power was adjusted at the maximal level with the following setting (Power 20) Channel plan 2 (AU 915) Operating frequency range: From 915.2 MHz to 927.8 MHz Number of channels: 64 Channel spacing: 200kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 10 During test the output power was adjusted at the maximal level with the following setting (Power 20) REM- EMIESS25C202ADE-05Av0 Page 5/6 Channel plan 3 (AS 923) Operating frequency range: From 923.2 MHz to 923.4 MHz Number of channels: 2 Channel spacing: 200kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 10 During test the output power was adjusted at the maximal level with the following setting (Power 16) Channel plan 4 (US 915) Operating frequency range: From 903 MHz to 914.2 MHz Number of channels: 8 Channel spacing: 1600kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 12 During test the output power was adjusted at the maximal level with the following setting (Power 20) Channel plan 5 (AU 915) Operating frequency range: From 915.9 MHz to 927.1 MHz Number of channels: 8 Channel spacing: 1600kHz Modulation: LoRa (Chirp spread spectrum) Spread Factor: 7 to 12 During test the output power was adjusted at the maximal level with the following setting (Power 20) Power level, frequency range and channels characteristics are not user adjustable. The details pictures of the product and the circuit boards are joined with this file. REM- EMIESS25C202ADE-05Av0 Page 6/6 3. NORMATIVE REFERENCE The standards and testing methods related throughout this report are those listed below. They are applied on the whole test report even though the extensions (version, date and amendment) are not repeated. CFR 47 FCC Part 15 (2026) Radio Frequency Devices ANSI C63.10 2020 + Corrigendum (2023) + Amendment 1 (2024) Procedures for ComplianceTesting of Unlicensed Wireless Devices. 447498 D01 General RF RF Exposure procedures and equipment authorization policies for mobile and Exposure Guidance v06 portable equipment 447498 D04 Interim General RF Exposure Pocedures and Equipment Authorization Policies for Mobile and RF Exposure Guidance v01 Portable Devices 4. RF EXPOSURE Maximum Permissive Exemption according paragraph 1.1310(d)(2) of CFR 47 Only the most powerful EIRP between all the channel plan has been selected for this exemption. Maximum measured EIRP = 21.44 dBm = 0.1393W at 902.3 MHz PSD= EIRP/(4*π*R 2 )  0.1393/(4*π*(20 cm)²)= 0.027716 mW/cm²  limit = 0.602 mW/cm² ( f / 1500 for 300 < f < 1500 MHz) The equipment fulfils the requirements on power density for general population/uncontrolled expo…

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Module with RF shielding Under RF shielding

LoRaWAN module Adeunis ARFWL55 902-928MHz US version Ce document est la propriété de adeunis et ne peut-être reproduit ou communiqué sans son autorisation Parc Technologique Pré Roux – 283 rue Louis Néel – 38920 CROLLES – France Office : +33(0)4 76 92 01 62 – Fax : +33 (0)4 76 04 80 87 www.adeunis.com – www.vokkero.com SA au capital de 8.731.840 € - SIRET B 430 190 496 – RCS Grenoble – APE 2630Z - TVA Intracommunautaire FR80430190496 Internal Photos Figure 1 : ARFWL55 With Shields Figure 2: ARFWL55 without Shields

LoRa module Adeunis ARFWL55 902-928MHz description US version Rev 1/26/2023 Adeunis, 283 Rue Louis Néel, parc technologique Pré Roux 38920 Crolles Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 02-26-2026 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC ID: U3Z-ARFWL55 Adeunis (“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. Adeunis (“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 to DA-24-886 and KDB 986446 D01 Covered 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, Emmanuel Monnet

Module with the workbench Module alone Antenna

LoRa module Adeunis ARFWL55 902-928MHz description US version Adeunis 283 rue louis Néel, Parc technologique Pré Roux 38920 crolles Attn: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Authority to Act as Agent FCC ID: U3Z-ARFWL55 On our behalf, I appoint M. Thomas LEDRESSEUR from Emitech Chassieu, 7 rue Georges MELIES, 69680 Chassieu FRANCE, 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 the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application …

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