2ADAKXBR5100T5VIXBR Base Station Transceiver

Copyright © Etherstack Pty Ltd 2026 This is the confidential proprietary property of Etherstack Pty Ltd. This document is protected by copyright. No part of it may be reproduced or copied without the prior written permission of Etherstack Pty Ltd. Etherstack Pty Ltd products are supplied under licence and may be used only in accordance with the terms of the contractual agreement between Etherstack Pty Ltd and the licence holder. All products, brand names and trademarks referred to in this publication are the property of Etherstack Pty Ltd or third-party owners. Unauthorised use may constitute an infringement. Etherstack Pty Ltd reserves the right to change information contained in this publication without notice. All efforts have been made to ensure accuracy however Etherstack Pty Ltd does not assume responsibility for errors or for any consequences arising from errors in this publication. Etherstack Pty Ltd 64 Rose Street Chippendale NSW 2008 AUSTRALIA Email:[email protected] P:+61 2 8399 7500 F:+61 2 8399 7507 Etherstack XBR5100 Fully Integrated P25 Base-Station Technical Manual Document Version: 1.04 Document ID: ES2202-UM01 Author: Etherstack Created: 05 June, 2025 Last Updated: 06 January, 2026 Last Updated by: Etherstack Doc Ref: ES2202-UM01_v104 Etherstack Proprietary Information Page: 2 of 17 Date: 06 January 2026 © Etherstack Pty Ltd. 2026 Copyright Etherstack Pty Ltd ARBN 156 640 532 64 Rose Street Chippendale NSW 2008 Australia Ph: +61 (0)2 8399 7500 Fax: +61 (0)2 8399 7507 [email protected] www.etherstack.com Etherstack reserves the right to alter, without notice and at any time, the equipment and specifications described in this document. All performance figures quoted are typical and are subject to normal manufacturing and service tolerances. The purchaser is advised that some statements made in this document may be inaccurate due to typographical or other errors or subsequent modifications of the product. While every care has been taken in the creation of this document, no warranty of accuracy or reliability is given, in any advice or information contained in this document. Etherstack Pty Ltd or any director, officer, agent, or employee of Etherstack Pty Ltd cannot be held liable for any loss or damage whatsoever arising in any way or any representation, act or omission whether express or implied (including responsibility to any person by reason of negligence). Copyright © Etherstack Pty Ltd 2026 This work is copyright. Other than as permitted by Law, no part of it may be reproduced, stored in a retrieval system, or transmitted in any form or by any process without prior written permission. Doc Ref: ES2202-UM01_v104 Etherstack Proprietary Information Page: 3 of 17 Date: 06 January 2026 © Etherstack Pty Ltd. 2026 Regulatory Information FCC Compliance This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. FCC Interference Warning Note: This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with this instruction manual, it may cause harmful interference to other radio communications. Harmful interference is any emission, radiation or induction that endangers the functioning of a radio navigation service or of other safety services or seriously degrades, obstructs, or repeatedly interrupts a radio communications service operating in accordance CFR Title 47 Part 15. INDUSTRY CANADA COMPLIANCE (ISED) This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. FRENCH: Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. HUMAN EXPOSURE TO RADIO FREQUENCY RADIATION USA Customers - Warning to comply with the maximum permissible exposure (MPE) limits referenced in 47 CFR 1.1310, the following minimum safe operating distances must be observed: MODEL(s)/FCC ID FREQ. RANGE OPERATION SAFE OPERATING DISTANCES*1 Measurement Reference*2 XBR5100P5VI / 2ADAKXBR5100P5VI 450-520 MHz 2.567 m 120 watts at 450MHz XBR5100D5HI / 2ADAKXBR5100D5HI 136-174MHz 2.223 m 60 watts at 136MHz XBR5100D5VI / 2ADAKXBR5100D5VI 136-174MHz 3.144 m 120 watts at 136MHz XBR5110D5VI / 2ADAKXBR5110D5VI 136-174MHz 3.144 m 120 watts at 136MHz XBR5100T5VI / 2ADAKXBR5100T5VI 763-776 MHz 850-870 MHz 1.971 m 120 watts at 763MHz Doc Ref: ES2202-UM01_v104 Etherstack Proprietary Information Page: 4 of 17 Date: 06 January 2026 © Etherstack Pty Ltd. 2026 Canada Customers - The XBR5100 radio transmitter has been approved by Innovation, Science and Economic Development Canada to operate with the maximum permissible exposure (MPE) limits defined in Radio Communication Apparatus (All Frequency Bands) , RSS-102, Issue 6. The following minimum safe operating distances must be observed: MODEL(s)/ISED ID FREQ. RANGE OPERATION SAFE OPERATING DISTANCES*1 Measurement Reference*2 XBR5100P5VI / 9487A-XBR5100P5VI 450-520 MHz 3.407 m 120 watts at 450MHz XBR5100D5HI / 9487A-XBR5100D5HI 136-174MHz 2.767 m 60 watts at 136MHz XBR5100D5VI / 9487A-XBR5100D5VI 136-174MHz 3.913 m 120 watts at 136MHz XBR5110D5VI / 9487A-XBR5110D5VI 136-174MHz 3.913 m 120 watts at 136MHz XBR5100T5VI / 9487A-XBR5100T5VI 763-776 MHz 850-870 MHz 2.844 m 120 watts at 763MHz *1 The distance measured from the transmitter antenna. The tran…

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P2540016.8_Annex B _ Rev 1.0 Page 1 of 22 Annex B Conducted Spurious Emissions Note: Marker 1 on the 30 – 1000 MHz graphs in Annex B are the fundamental transmit signals and are exempt for the spurious emission limits. P2540016.8_Annex B _ Rev 1.0 Page 2 of 22 Conducted Spurious 1 - 9 GHz C4FM 769.025 MHz Conducted Spurious 1 - 9 GHz C4FM 774.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 3 of 22 Conducted Spurious 1 - 9 GHz C4FM 851.025 MHz Conducted Spurious 1 - 9 GHz C4FM 859.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 4 of 22 Conducted Spurious 1 - 9 GHz C4FM 868.975 MHz Conducted Spurious 1 - 9 GHz NB 769.025 MHz P2540016.8_Annex B _ Rev 1.0 Page 5 of 22 Conducted Spurious 1 - 9 GHz NB 774.975 MHz Conducted Spurious 1 - 9 GHz NB 851.025 MHz P2540016.8_Annex B _ Rev 1.0 Page 6 of 22 Conducted Spurious 1 - 9 GHz NB 859.975 MHz Conducted Spurious 1 - 9 GHz NB 868.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 7 of 22 Conducted Spurious 1 - 9 GHz WB 769.025 MHz Conducted Spurious 1 - 9 GHz WB 774.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 8 of 22 Conducted Spurious 1 - 9 GHz WB 851.025 MHz Conducted Spurious 1 - 9 GHz WB 859.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 9 of 22 Conducted Spurious 1 - 9 GHz WB 868.975 MHz Conducted Spurious 30 - 1000 MHz C4FM 769.025 MHz P2540016.8_Annex B _ Rev 1.0 Page 10 of 22 Conducted Spurious 30 - 1000 MHz C4FM 774.975 MHz Conducted Spurious 30 - 1000 MHz C4FM 851.025 MHz P2540016.8_Annex B _ Rev 1.0 Page 11 of 22 Conducted Spurious 30 - 1000 MHz C4FM 859.975 MHz Conducted Spurious 30 - 1000 MHz C4FM 868.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 12 of 22 Conducted Spurious 30 - 1000 MHz NB 769.025 MHz Conducted Spurious 30 - 1000 MHz NB 774.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 13 of 22 Conducted Spurious 30 - 1000 MHz NB 851.025 MHz Conducted Spurious 30 - 1000 MHz NB 859.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 14 of 22 Conducted Spurious 30 - 1000 MHz NB 868.975 MHz Conducted Spurious 30 - 1000 MHz WB 769.025 MHz P2540016.8_Annex B _ Rev 1.0 Page 15 of 22 Conducted Spurious 30 - 1000 MHz WB 774.975 MHz Conducted Spurious 30 - 1000 MHz WB 851.025 MHz P2540016.8_Annex B _ Rev 1.0 Page 16 of 22 Conducted Spurious 30 - 1000 MHz WB 859.975 MHz Conducted Spurious 30 - 1000 MHz WB 868.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 17 of 22 Emission Limitations in 1559-1610 MHz C4FM 100 W 1MHzRBW 769.025 MHz Emission Limitations in 1559-1610 MHz C4FM 100 W 1MHzRBW 774.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 18 of 22 Emission Limitations in 1559-1610 MHz C4FM 100 W 700HzRBW 769.025 MHz Emission Limitations in 1559-1610 MHz C4FM 100 W 700HzRBW 774.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 19 of 22 Emission Limitations in 1559-1610 MHz NB 100 W 1MHzRBW 769.025 MHz Emission Limitations in 1559-1610 MHz NB 100 W 1MHzRBW 774.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 20 of 22 Emission Limitations in 1559-1610 MHz NB 100 W 700HzRBW 769.025 MHz Emission Limitations in 1559-1610 MHz NB 100 W 700HzRBW 774.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 21 of 22 Emission Limitations in 1559-1610 MHz WB 100 W 1MHzRBW 769.025 MHz Emission Limitations in 1559-1610 MHz WB 100 W 1MHzRBW 774.975 MHz P2540016.8_Annex B _ Rev 1.0 Page 22 of 22 Emission Limitations in 1559-1610 MHz WB 100 W 700HzRBW 769.025 MHz Emission Limitations in 1559-1610 MHz WB 100 W 700HzRBW 774.975 MHz

Test Setup Photos FCC ID: 2ADAKXBR5100T5VI ISED ID: 9487A-XBR5100T5VI Page 1 of 5 Conducted RF Tests Measurement Set up -1 Conducted RF Tests Measurement Set up -2 Test Setup Photos FCC ID: 2ADAKXBR5100T5VI ISED ID: 9487A-XBR5100T5VI Page 2 of 5 Conducted RF Tests Measurement Set up -3 Test Setup Photos FCC ID: 2ADAKXBR5100T5VI ISED ID: 9487A-XBR5100T5VI Page 3 of 5 Frequency Stability, Test Set up-1 Frequency Stability, test Set up-2 Test Setup Photos FCC ID: 2ADAKXBR5100T5VI ISED ID: 9487A-XBR5100T5VI Page 4 of 5 RE_30-1000MHz (1) RE_30-1000MHz (2) Test Setup Photos FCC ID: 2ADAKXBR5100T5VI ISED ID: 9487A-XBR5100T5VI Page 5 of 5 RE_1-9 GHz (1) RE_1-9 GHz (2)

P2540016.8_Annex A _ Rev 1.0 Page 1 of 16 Output Power Annex A P2540016.8_Annex A _ Rev 1.0 Page 2 of 16 Output Power 1 W C4FM 769.025 MHz Output Power 1 W C4FM 774.975 MHz P2540016.8_Annex A _ Rev 1.0 Page 3 of 16 Output Power 1 W C4FM 851.025 MHz Output Power 1 W C4FM 859.975 MHz P2540016.8_Annex A _ Rev 1.0 Page 4 of 16 Output Power 1 W C4FM 868.975 MHz Output Power 1 W CW NB 769.025 MHz P2540016.8_Annex A _ Rev 1.0 Page 5 of 16 Output Power 1 W CW NB 774.975 MHz Output Power 1 W CW NB 851.025 MHz P2540016.8_Annex A _ Rev 1.0 Page 6 of 16 Output Power 1 W CW NB 859.975 MHz Output Power 1 W CW NB 868.975 MHz P2540016.8_Annex A _ Rev 1.0 Page 7 of 16 Output Power 1 W CW WB 769.025 MHz Output Power 1 W CW WB 774.975 MHz P2540016.8_Annex A _ Rev 1.0 Page 8 of 16 Output Power 1 W CW WB 851.025 MHz Output Power 1 W CW WB 859.975 MHz P2540016.8_Annex A _ Rev 1.0 Page 9 of 16 Output Power 1 W CW WB 868.975 MHz Output Power 100 W C4FM 769.025 MHz P2540016.8_Annex A _ Rev 1.0 Page 10 of 16 Output Power 100 W C4FM 774.975 MHz Output Power 100 W C4FM 851.025 MHz P2540016.8_Annex A _ Rev 1.0 Page 11 of 16 Output Power 100 W C4FM 859.975 MHz Output Power 100 W C4FM 868.975 MHz P2540016.8_Annex A _ Rev 1.0 Page 12 of 16 Output Power 100 W CW NB 769.025 MHz Output Power 100 W CW NB 774.975 MHz P2540016.8_Annex A _ Rev 1.0 Page 13 of 16 Output Power 100 W CW NB 851.025 MHz Output Power 100 W CW NB 859.975 MHz P2540016.8_Annex A _ Rev 1.0 Page 14 of 16 Output Power 100 W CW NB 868.975 MHz Output Power 100 W CW WB 769.025 MHz P2540016.8_Annex A _ Rev 1.0 Page 15 of 16 Output Power 100 W CW WB 774.975 MHz Output Power 100 W CW WB 851.025 MHz P2540016.8_Annex A _ Rev 1.0 Page 16 of 16 Output Power 100 W CW WB 859.975 MHz Output Power 100 W CW WB 868.975 MHz

p2540016.8_FCC Part 90_RSS-119_Rev 2.0 Page 1 of 33 Test Report Prepared for: Etherstack, Inc Model: XBR5100T5VI Description: XBR Base Station Transceiver FCC ID: 2ADAKXBR5100T5VI ISED ID: 9487A-XBR5100T5VI Serial Number: 250500153 Project No: p2540016.8 Test Results: Pass To FCC Part 90 ISED RSS-119 Issue 12 Date of Issue: April 23, 2026 On the behalf of the applicant: Etherstack Inc 16 Madison Square W. FL12 Suite 1200 New York, NY 10010 Attention of: Doug Chapman Ph: (917) 258-6601 E-Mail: [email protected] Prepared By: Compliance Testing, LLC Mesa, AZ 85204 (480) 926-3100 phone / (480) 926-3598 fax www.compliancetesting.com ANAB Cert#: AT-2901 FCC Site Reg.#750616 ISED Site Reg. #2044A-2 Reviewed / Authorized By: Madhava Gooduru, EMC RF Test Engineer This report may not be reproduced, except in f ull, without written permission f rom Compliance Testing. All results contained herein relate only to the sample tested. p2540016.8_FCC Part 90_RSS-119_Rev 2.0 Page 2 of 33 Test Result Summary Band 700 MHz Specification Test Name Test Methodology clause Pass, Fail, N/A Comments Comments Specification FCC ISED 2.1046 90.205(j) 90.541(a) 90.635(a) RSS-119 §5.4 Carrier Output Power (Conducted) ANSI C63.26- 2015 §5.2 Pass 2.1051 2.1057 90.543(c) 90.543(f) RSS-119 §5.8 §5.8.9.2 Unwanted Emissions (Transmitter Conducted) ANSI C63.26- 2015 §5.7.4 & §6.5.2.7.4 Pass 2.1053 2.1057 90.543(c) RSS-119 §5.8 §5.8.9.2 Field Strength of Spurious Radiation ANSI C63.26- 2015 §5.5.4 Pass 90.543 NA Adjacent channel power / emission limitations ANSI C63.26- 2015 §6.5.2.4 Pass 2.1049(c) RSS-119 §5.5 Occupied Bandwidth ANSI C63.26- 2015 §5.4 Pass 2.1047(a) N/A Audio Low Pass Filter (Voice Input) TIA-603-E §2.2.15 Pass 2.1047(a) N/A Audio Frequency Response ANSI C63.26- 2015 §5.3.3.2 Pass 2.1047(b) N/A Modulation Limiting ANSI C63.26- 2015 §5.3.2 Pass 2.1055 90.213(a) 90.539 RSS-119 §5.3 Frequency Stability (Temperature Variation) ANSI C63.26- 2015 §5.4 Pass 2.1055 90.213(a) 90.539 RSS-119 §5.3 Frequency Stability (Voltage Variation) ANSI C63.26- 2015 §5.4 Pass 2.202 (g) TRC-43 issue 3 TRC-43 issue 3 Necessary Bandwidth Calculation ITU-R SM.1138 Pass p2540016.8_FCC Part 90_RSS-119_Rev 2.0 Page 3 of 33 Band 800 MHz Specification Test Name Test procedure clause Pass, Fail, N/A Comments Comments Specification FCC 2.1046 90.205(k) 90.635(a) RSS-119 §5.4 Carrier Output Power (Conducted) ANSI C63.26- 2015 §5.2 Pass 2.1051 90.210(b)(d) RSS-119 §5.8 Unwanted Emissions (Transmitter Conducted) ANSI C63.26- 2015 §5.7.4 Pass 2.1053 90.210(b)(d) RSS-119 §5.8 Field Strength of Spurious Radiation ANSI C63.26- 2015 §5.5.4 Pass 2.1049(c) 90.210 90.691 RSS-119 §5.5 RSS-119 §5.8 Emission Masks/Limitations ANSI C63.26- 2015 §5.7.3 Pass 90.221 NA Adjacent channel power limits ANSI C63.26- 2015 §6.5.2.4 Pass For 25 kHz Ch. BW only 2.1049(c) RSS-119 §5.5 Occupied Bandwidth ANSI C63.26- 2015 §5.4 Pass 2.1047(a) N/A Audio Low Pass Filter (Voice Input) TIA-603-E §2.2.15 Pass 2.1047(a) N/A Audio Frequency Response ANSI C63.26- 2015 §5.3.3 Pass 2.1047(b) N/A Modulation Limiting ANSI C63.26- 2015 §5.3.2 Pass 2.1055 90.213(a) RSS-119 §5.3 Frequency Stability (Temperature Variation) ANSI C63.26- 2015 §5.4 Pass 2.1055 90.213(a) RSS-119 §5.3 Frequency Stability (Voltage Variation) ANSI C63.26- 2015 §5.4 Pass 2.202 (g) 2.202 (g) TRC-43 issue 3 Necessary Bandwidth Calculation ITU-R SM.1138 Pass Statements of conf ormity are reported as: • Pass - the measured value is below the acceptance limit, acceptance limit = test limit. • Fail - the measured value is above the acceptance limit, acceptance limit = test limit. p2540016.8_FCC Part 90_RSS-119_Rev 2.0 Page 4 of 33 Test Report Revision History Revision Date Revised By Reason for Revision 1.0 4/23/2026 Madhava Gooduru Original Document 2.0 5/4/2026 Madhava Gooduru Test data updated to two decimal places; typo errors corrected throughout the document. p2540016.8_FCC Part 90_RSS-119_Rev 2.0 Page 5 of 33 Table of Contents Description Page Test Result Summary 2 Table of Contents 5 Table of Annexes 5 Standard Test Conditions and Engineering Practices 7 EUT Description 8 Accessories: 9 Modifications: None 9 Carrier Output Power (Conducted) 10 Conducted Spurious Emissions 12 Conducted Spurious Emissions in GNSS band (1559 – 1610 MHz) 14 Field Strength of Spurious Radiation 15 Adjacent Channel power 17 Emission Masks 19 Occupied Bandwidth 20 Audio Low Pass Filter (Voice Input) 21 Audio Frequency Response 23 Modulation Limiting 25 Frequency Stability (Temperature Variation) 28 Necessary Bandwidth Calculations 31 Measurement Uncertainty 32 Test Equipment Utilized 33 Table of Annexes Description Page Annex A Output Power 11 Annex B Conducted Spurious Emission 13 Annex B Conducted Spurious Emission 14 Annex C Radiated Spurious Emission 16 Annex D Adjacent Channel Power 18 Annex E Emission Mask 19 Annex F Occupied Bandwidth 20 p2540016.8_FCC Part 90_RSS-119_Rev 2.0 Page 6 of 33 ANAB Compliance Testing, LLC, has been accredited in accordance with the recognized International Standard ISO/IEC 17025:2017. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (ref er to the joint ISO-ILAC-IAF Communiqué dated January 2009). The tests results contained within this test report all fall within our scope of accreditation, unless noted below. Please ref er to http://www.compliancetesting.com/labscope.html f or current scope of accreditation. p2540016.8_FCC Part 90_RSS-119_Rev 2.0 Page 7 of 33 Test and Measurement Data All tests and measurement data shown were performed in accordance with FCC Rules and Regulations, Volume II, Part 2, Subpart J, Sections 2.947, 2.1033(c), 2.1041, 2.1046, 2.1047, 2.1049, 2.1051, 2.1053, 2.1055, 2.1057, ANSI C63.26- 2015, TIA-603-E, FCC Part 90. Standard Test Conditions and Engineering Practices Except as noted herein, the f ollowing conditions and procedures were observed during the testing. In accordance with AN…

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P2540016.8_Annex F _ Rev 1.0 Page 1 of 9 Annex F Occupied Bandwidth P2540016.8_Annex F _ Rev 1.0 Page 2 of 9 Occupied Bandwidth 100 W C4FM 769.025 MHz Occupied Bandwidth 100 W C4FM 774.975 MHz P2540016.8_Annex F _ Rev 1.0 Page 3 of 9 Occupied Bandwidth 100 W C4FM 851.025 MHz Occupied Bandwidth 100 W C4FM 859.975 MHz P2540016.8_Annex F _ Rev 1.0 Page 4 of 9 Occupied Bandwidth 100 W C4FM 868.975 MHz Occupied Bandwidth 100 W NB 769.025 MHz P2540016.8_Annex F _ Rev 1.0 Page 5 of 9 Occupied Bandwidth 100 W NB 774.975 MHz Occupied Bandwidth 100 W NB 851.025 MHz P2540016.8_Annex F _ Rev 1.0 Page 6 of 9 Occupied Bandwidth 100 W NB 859.975 MHz Occupied Bandwidth 100 W NB 868.975 MHz P2540016.8_Annex F _ Rev 1.0 Page 7 of 9 Occupied Bandwidth 100 W WB 769.025 MHz Occupied Bandwidth 100 W WB 774.975 MHz P2540016.8_Annex F _ Rev 1.0 Page 8 of 9 Occupied Bandwidth 100 W WB 851.025 MHz Occupied Bandwidth 100 W WB 859.975 MHz P2540016.8_Annex F _ Rev 1.0 Page 9 of 9 Occupied Bandwidth 100 W WB 868.975 MHz

P2540016.8_Annex E _ Rev 1.0 Page 1 of 15 Annex E Emission Mask P2540016.8_Annex E _ Rev 1.0 Page 2 of 15 Emission Mask 90.691 1 W C4FM 859.975 MHz Emission Mask 90.691 1 W C4FM 868.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 3 of 15 Emission Mask 90.691 1 W NB 859.975 MHz Emission Mask 90.691 1 W NB 868.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 4 of 15 Emission Mask 90.691 100 W C4FM 859.975 MHz Emission Mask 90.691 100 W C4FM 868.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 5 of 15 Emission Mask 90.691 100 W NB 859.975 MHz Emission Mask 90.691 100 W NB 868.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 6 of 15 Emission Mask 1 W NB 851.025 MHz Emission Mask 1 W WB 851.025 MHz P2540016.8_Annex E _ Rev 1.0 Page 7 of 15 Emission Mask 1 W WB 859.975 MHz Emission Mask 1 W WB 868.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 8 of 15 Emission Mask 100 W NB 851.025 MHz Emission Mask 100 W WB 851.025 MHz P2540016.8_Annex E _ Rev 1.0 Page 9 of 15 Emission Mask 100 W WB 859.975 MHz Emission Mask 100 W WB 868.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 10 of 15 Emission MaskD 1 W C4FM 851.025 MHz Emission MaskD 1 W C4FM 859.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 11 of 15 Emission MaskD 1 W C4FM 868.975 MHz Emission MaskD 1 W NB 859.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 12 of 15 Emission MaskD 1 W NB 868.975 MHz Emission MaskD 100 W C4FM 851.025 MHz P2540016.8_Annex E _ Rev 1.0 Page 13 of 15 Emission MaskD 100 W C4FM 859.975 MHz Emission MaskD 100 W C4FM 868.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 14 of 15 Emission MaskD 100 W NB 859.975 MHz Emission MaskD 100 W NB 868.975 MHz P2540016.8_Annex E _ Rev 1.0 Page 15 of 15 Emission MaskH 1 W C4FM 851.025 MHz Emission MaskH 100 W C4FM 851.025 MHz

P2540016.8_Annex D _ Rev 1.0 Page 1 of 39 Annex D Adjacent Channel Power P2540016.8_Annex D _ Rev 1.0 Page 2 of 39 Adjacent Channel Power C4FM 1 W InPairedRxBand 769.025 MHz Adjacent Channel Power C4FM 1 W InPairedRxBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 3 of 39 Adjacent Channel Power C4FM 1 W OffSet 1 2 3 769.025 MHz Adjacent Channel Power C4FM 1 W OffSet 1 2 3 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 4 of 39 Adjacent Channel Power C4FM 1 W OffSet 4 5 6 769.025 MHz Adjacent Channel Power C4FM 1 W OffSet 4 5 6 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 5 of 39 Adjacent Channel Power C4FM 1 W OffSet 7 8 9 769.025 MHz Adjacent Channel Power C4FM 1 W OffSet 7 8 9 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 6 of 39 Adjacent Channel Power C4FM 1 W OffSet 12 MHz till PairBand 769.025 MHz Adjacent Channel Power C4FM 1 W OffSet 12 MHz till PairBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 7 of 39 Adjacent Channel Power C4FM 1 W OffSet 400 kHz 12 MHz 769.025 MHz Adjacent Channel Power C4FM 1 W OffSet 400 kHz 12 MHz 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 8 of 39 Adjacent Channel Power C4FM 100 W InPairedRxBand 769.025 MHz Adjacent Channel Power C4FM 100 W InPairedRxBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 9 of 39 Adjacent Channel Power C4FM 100 W OffSet 1 2 3 769.025 MHz Adjacent Channel Power C4FM 100 W OffSet 1 2 3 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 10 of 39 Adjacent Channel Power C4FM 100 W OffSet 4 5 6 769.025 MHz Adjacent Channel Power C4FM 100 W OffSet 4 5 6 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 11 of 39 Adjacent Channel Power C4FM 100 W OffSet 7 8 9 769.025 MHz Adjacent Channel Power C4FM 100 W OffSet 7 8 9 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 12 of 39 Adjacent Channel Power C4FM 100 W OffSet 12 MHz till PairBand 769.025 MHz Adjacent Channel Power C4FM 100 W OffSet 12 MHz till PairBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 13 of 39 Adjacent Channel Power C4FM 100 W OffSet 400 kHz 12 MHz 769.025 MHz Adjacent Channel Power C4FM 100 W OffSet 400 kHz 12 MHz 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 14 of 39 Adjacent Channel Power NB 1 W InPairedRxBand 769.025 MHz Adjacent Channel Power NB 1 W InPairedRxBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 15 of 39 Adjacent Channel Power NB 1 W OffSet 1 2 3 769.025 MHz Adjacent Channel Power NB 1 W OffSet 1 2 3 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 16 of 39 Adjacent Channel Power NB 1 W OffSet 4 5 6 769.025 MHz Adjacent Channel Power NB 1 W OffSet 4 5 6 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 17 of 39 Adjacent Channel Power NB 1 W OffSet 7 8 9 769.025 MHz Adjacent Channel Power NB 1 W OffSet 7 8 9 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 18 of 39 Adjacent Channel Power NB 1 W OffSet 12 MHz till PairBand 769.025 MHz Adjacent Channel Power NB 1 W OffSet 12 MHz till PairBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 19 of 39 Adjacent Channel Power NB 1 W OffSet 400 kHz 12 MHz 769.025 MHz Adjacent Channel Power NB 1 W OffSet 400 kHz 12 MHz 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 20 of 39 Adjacent Channel Power NB 100 W InPairedRxBand 769.025 MHz Adjacent Channel Power NB 100 W InPairedRxBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 21 of 39 Adjacent Channel Power NB 100 W OffSet 1 2 3 769.025 MHz Adjacent Channel Power NB 100 W OffSet 1 2 3 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 22 of 39 Adjacent Channel Power NB 100 W OffSet 4 5 6 769.025 MHz Adjacent Channel Power NB 100 W OffSet 4 5 6 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 23 of 39 Adjacent Channel Power NB 100 W OffSet 7 8 9 769.025 MHz Adjacent Channel Power NB 100 W OffSet 7 8 9 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 24 of 39 Adjacent Channel Power NB 100 W OffSet 12 MHz till PairBand 769.025 MHz Adjacent Channel Power NB 100 W OffSet 12 MHz till PairBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 25 of 39 Adjacent Channel Power NB 100 W OffSet 400 kHz 12 MHz 769.025 MHz Adjacent Channel Power NB 100 W OffSet 400 kHz 12 MHz 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 26 of 39 Adjacent Channel Power WB 1 W InPairedRxBand 769.025 MHz Adjacent Channel Power WB 1 W InPairedRxBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 27 of 39 Adjacent Channel Power WB 1 W OffSet 1 2 769.025 MHz Adjacent Channel Power WB 1 W OffSet 1 2 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 28 of 39 Adjacent Channel Power WB 1 W OffSet 3 4 5 769.025 MHz Adjacent Channel Power WB 1 W OffSet 3 4 5 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 29 of 39 Adjacent Channel Power WB 1 W OffSet 6 7 8 769.025 MHz Adjacent Channel Power WB 1 W OffSet 6 7 8 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 30 of 39 Adjacent Channel Power WB 1 W OffSet 12 MHz till PairBand 769.025 MHz Adjacent Channel Power WB 1 W OffSet 12 MHz till PairBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 31 of 39 Adjacent Channel Power WB 1 W OffSet 400 kHz 12 MHz 769.025 MHz Adjacent Channel Power WB 1 W OffSet 400 kHz 12 MHz 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 32 of 39 Adjacent Channel Power WB 90.221 1 W OffSet 1 2 3 859.975 MHz Adjacent Channel Power WB 90.221 1 W OffSet 1 2 3 868.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 33 of 39 Adjacent Channel Power WB 90.221 100 W OffSet 1 2 3 859.975 MHz Adjacent Channel Power WB 90.221 100 W OffSet 1 2 3 868.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 34 of 39 Adjacent Channel Power WB 100 W InPairedRxBand 769.025 MHz Adjacent Channel Power WB 100 W InPairedRxBand 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 35 of 39 Adjacent Channel Power WB 100 W OffSet 1 2 769.025 MHz Adjacent Channel Power WB 100 W OffSet 1 2 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 36 of 39 Adjacent Channel Power WB 100 W OffSet 3 4 5 769.025 MHz Adjacent Channel Power WB 100 W OffSet 3 4 5 774.975 MHz P2540016.8_Annex D _ Rev 1.0 Page 37 of 39 Adjacent Channel Power WB 100 W OffSet 6 7 8 769.025 MHz Adjacent Channel Power WB 100 W OffSet 6 7 8 774.975 MHz P2540016.8_Annex D _ Rev 1.…

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P2540016.8_Annex C _ Rev 1.0 Page 1 of 11 Annex C Radiated Spurious Emissions Note: Marker 1 on the 30 – 1000 MHz graphs in Annex C are the fundamental transmit signals and are exempt for the spurious emission limits. P2540016.8_Annex C _ Rev 1.0 Page 2 of 11 Radiated Emissions 1-9 GHz C4FM 769.025 MHz Radiated Emissions 1-9 GHz C4FM 774.975 MHz P2540016.8_Annex C _ Rev 1.0 Page 3 of 11 Radiated Emissions 1-9 GHz C4FM 851.025 MHz Radiated Emissions 1-9 GHz C4FM 859.975 MHz P2540016.8_Annex C _ Rev 1.0 Page 4 of 11 Radiated Emissions 1-9 GHz C4FM 868.975 MHz Radiated Emissions 1-9 GHz FM 769.025 MHz P2540016.8_Annex C _ Rev 1.0 Page 5 of 11 Radiated Emissions 1-9 GHz FM 774.975 MHz Radiated Emissions 1-9 GHz FM 851.025 MHz P2540016.8_Annex C _ Rev 1.0 Page 6 of 11 Radiated Emissions 1-9 GHz FM 859.975 MHz Radiated Emissions 1-9 GHz FM 868.975 MHz P2540016.8_Annex C _ Rev 1.0 Page 7 of 11 Radiated Emissions 30-100 MHz C4FM 769.025 MHz Radiated Emissions 30-100 MHz C4FM 774.975 MHz P2540016.8_Annex C _ Rev 1.0 Page 8 of 11 Radiated Emissions 30-100 MHz C4FM 851.025 MHz Radiated Emissions 30-100 MHz C4FM 859.975 MHz P2540016.8_Annex C _ Rev 1.0 Page 9 of 11 Radiated Emissions 30-100 MHz C4FM 868.975 MHz Radiated Emissions 30-100 MHz FM 769.025 MHz P2540016.8_Annex C _ Rev 1.0 Page 10 of 11 Radiated Emissions 30-100 MHz FM 774.975 MHz Radiated Emissions 30-100 MHz FM 851.025 MHz P2540016.8_Annex C _ Rev 1.0 Page 11 of 11 Radiated Emissions 30-100 MHz FM 859.975 MHz Radiated Emissions 30-100 MHz FM 868.975 MHz

Etherstack Inc. | New York (GMT -5) 16 Madison Square W FL12 Suite 1200 New York, NY 10010 UNITED STATES E: [email protected] P: +1 917 661 4110 Sydney (GMT +10) P: +61 2 8399 7500 [email protected] Yokohama (GMT +9) P: +81 45 342 9050 [email protected] UK (GMT) P: +44 118 951 1000 [email protected] January 6, 2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Re: Covered List, located at https://www.fcc.gov/supplychain/coveredlist and 47 CFR parts §2.903 and §2.911(d)(5)(ii) of the FCC rules Applicant: Etherstack Inc. FCC ID: 2ADAKXBR5100T5VI To whom it may concern, Etherstack Inc. (“Applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to 47 CFR part §2.903 of the FCC rules and does not originate directly or indirectly from any company named on the covered list located in the link above or any subsidiary or affiliate thereof. Applicant further 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 and is not a subsidiary or affiliate of any such entity pursuant to 47 CFR part §1.50002 and required by 47 CFR part §2.911(d)(5)(ii) of the FCC rules. Applicant further certifies that no 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 is installed in the equipment being certified. I HEREBY CERTIFY THAT I am authorized to make the representations above on behalf of the Applicant and agree to immediately notify Compliance Testing if there is any change in the status identified above. Yours faithfully Doug Chapman Senior Vice President Etherstack Inc.

P2540016.8_FCC…

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