FCC ID: QZC-NXCMR300 NXCMR300

FCC & INNOVATION, SCIENCE AND ECONOMIC DEVELOPMENT CANADA COMPLIANCE The radio module is inserted into the housing of the device at manufacture. It has no user serviceable parts. FCC & ISED information:

FCC ID: QZC-NXCMR300 IC ID: 4557A-NXCMR300 FCC ID: 2AAGMGM02SA IC ID: 12732A-GM02SA User Information (Part 15.105): This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

reorient or relocate the receiving antenna increase the separation between the equipment and the receiver connect the equipment into an outlet on a circuit different from that to which the receiver is connected consult the dealer or an experienced radio/TV technician for help If you experience trouble with this equipment, please use the Return Material Request (RMR) feature available at the Online Customer Services at www.elstersolutions.com. Do not attempt to repair this equipment itself unless you are replacing the entire module. Compliance Statement (FCC Part 15.19 and ISED Canada): This device complies with Part 15 of the FCC Rules and with ISED Canada license-exempt RSS standard(s). 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. nonc de Conformit: Cet appareil est conforme la Partie 15 des rgles de la FCC et aux CNR d'ISED Canada applicables aux appareils radio exempts de licence. L'utilisation de cet appareil est soumise aux deux conditions suivantes : (1) Cet appareil ne doit pas provoquer d'interfrences nocives et (2) cet appareil doit accepter toutes les interfrences reues notamment celles pouvant provoquer un fonctionnement intempestif de l'appareil. Warning (Part 15.21): Changes or modifications not expressly approved by Honeywell could void the user's authority to operate the equipment. RF Radiation Safety Guidelines: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated to provide a separation distance of at least 28 cm from all persons. Directives de Scurit de Radiofrquence: Cet quipement est conforme aux limites d'exposition aux radiations dfinies par la Commission Fdral des Communications (FCC) pour un environnement non contrl. Cet quipement doit tre install et utilis une distance d'au moins 28 cm de sparation de toutes personnes. Collocation Statement: This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Dclaration de Co-localisation: Cet metteur ne doit pas tre co-localis ou oprant en conjonction avec aucune autre antenne ou transmetteur. ISED Canada ICES-003 Compliance Label: CAN ICES-3 (B)/NMB-3(B) DISPOSAL INFORMATION This product contains electronics components which should be disposed of in accordance with applicable regulations. DISCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITY There are no understandings, agreements, representations, or warranties either express or implied, including warranties of merchantability or fitness for a particular purpose, other than those specifically set out by any existing contract between the parties. Any such contract states the entire obligation of the seller. The contents of this document shall not become part of or modify any prior existing agreement, commitment, or relationship. The information, recommendations, descriptions, and safety notices in this document are based on Elster Solutions, LLC experience and judgment with respect to operation and maintenance of the described product. This information should not be considered as all-inclusive or covering all contingencies. If further information is required, Elster Solutions, LLC should be consulted. No warranties, either expressed or implied, including warranties of fitness for a particular purpose or merchantability, or warranties arising from the course of dealing or usage of trade, are made regarding the information, recommendations, descriptions, warnings, and cautions contained herein. In no event will Elster Solutions, LLC be responsible to the user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental, or consequential damage or loss whatsoever, including but not limited to: damage or loss of use of equipment, cost of capital, loss of profits or revenues, or claims against the user by its customers resulting from the use of the information, recommendations, descriptions, and safety notices contained herein. 2023 by Honeywell International Inc. All rights reserved. Honeywell Smart Energy Americas Raleigh, North Carolina Technical support: 800 338 5251

D C B A 6 5 4 3 2 1 REV 01 02 BY Perry, Nick Perry, Nick DESCRIPTION Initial Release Rearranged FCC/ICPlacement on Label DATE 22-May-2023 03-Jan-2024 ECN ECN-00035085 Preliminary 50.80 1 SPACE 1 REPAIR DIGIT 1 SPACE 1 REPAIR DIGIT 1 SPACE ASSEMBLY NUMBER 0.20 HIGH TIMES NEW ROMAN FONT MODULE STYLE NUMBER 0.20 HIGH TIMES NEW ROMAN FONT 0 4

. 5 2 2D BAR CODE MANUFACTURING NOTES:

A. USE PERMANENT BLACK INK AS RECOMMENDED BY THE LABEL STOCK MANUFACTURER. CENTER EACH 23-CHARACTER CODE. 2D BARCODE SHOULD HAVE SHARP BLACK LINES AND CLEAN WHITE SPACES. REFER TO HONEYWELL DRAWING 1B12181 FOR ADDITIONAL BARCODE REQUIREMENTS AND SERIAL NUMBER FORMAT DESCRIPTION. THE 2D BARCODE AND HUMAN READABLE LAN ID NUMBER CORRESPOND TO THE UPPER LEVEL MODULE ASSEMBLY. REFER TO THE MODULE LEVEL ASSEMBLY PROCESS SPECIFICATIONS FOR SPECIFIC INSTRUCTIONS RELATING TO SCANNING, PRINTING AND APPLYING THE LABEL DURING THE MANUFACTURING PROCESS. MATERIAL:WHITE POLYESTER THERMAL TRANSFER LABEL STOCK (ROLL FORM), REFERENCE HONEYWELL P/N 4075B04H15 B. C. D. MODULE LEVEL ASSEMBLY LAN ID NUMBER

(SEE NOTE B) 0.20 HIGH TIMES NEW ROMAN FONT FIVE CHARACTER UNIQUE SERIAL NUMBER FOLLOWING MANUFACTURER CODE, YEAR AND WEEK 0.20 HIGH TIMES NEW ROMAN FONT FCC/IC ID FIELD 0.20 HIGH TIMES NEW ROMAN FONT R3.175 DRAWN:

H533247 TITLE:

KEY CRITICAL DIMENSION DATE:

22-May-2023 10:41 APPROVED:

Gronmeyer, Larry DATE:

22-May-2023 Label, Serial Number & FCC ID, NXCM R300 SIZE (ANSI) DEFAULT TOLERANCE NUMBER REVISION:

ISO 2768-mk B SCALE: 2:1 3013-1173-001 NOTE: DRAWING DIMENSIONED IN MILLIMETERS 02 SHEET 1 OF 1 6 5 4 3 2 1 D C B A

Date: 12 July 2023 Letter of Authorization and Anti-Drug Statement Applicant Name: Elster Solutions, LLC Product Name: NXCMR300 Model Number: NXCMR300 FCC ID: QZC-NXCMR300 We authorize:

Elster Solutions 208 S Rogers Lane Raleigh, NC 27610-2144 United States T +1 919 212 4800 F +1 919 212 4801 www.elster.com CETECOM Inc., to act on our behalf on all matters concerning the above named equipment. We declare that CETECOM Inc. is allowed to forward all information related to the approval project to the Federal Communications Commission and discuss any issues concerning the approval application. The applicant must certify that neither the applicant nor any party to the application is subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. Does the applicant or authorized agent so certify? Yes I certify that I am authorized to sign this application. All of the statements herein and the exhibits attached hereto, are true and correct to the best of my knowledge and belief. In accepting a Grant of Equipment Authorization as a result of the representations made in this application, the applicant is responsible for (1) labeling the equipment with the exact FCC ID specified in this application, (2) compliance statement labeling pursuant to the applicable rules, and (3) compliance of the equipment with the applicable technical rules. If the applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC's technical requirements. Authorizing an agent to sign this application, is done solely at the applicant's discretion; however, the applicant remains responsible for all statements in this application. If an agent has signed this application on behalf of the applicant, a written letter of authorization which includes information to enable the agent to respond to the above section 5301 (Anti-Drug Abuse) Certification statement has been provided by the applicant. It is understood that the letter of authorization must be submitted to the FCC upon request, and that the FCC reserves the right to contact the applicant directly at any time. Signature of Authorized Person Filing:

Name: Charles Greene Title: Advanced Wireless/RF Engineer

Date: 25 July 2023 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Elster Solutions 208 S Rogers Lane Raleigh, NC 27610-2144 United States T +1 919 212 4800 F +1 919 212 4801 www.elster.com Ref: Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) Filing Re. KDB 986446 D01 FCC ID: QZC-NXCMR300 Dear Sir or Madam, Honeywell (formerly Elster Solutions Inc., the applicant) certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. We also certify 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. If you have any questions, please contact us. Sincerely, Contact name: Charles Greene Company name: Honeywell Address: 208 S Rogers Ln, Raleigh NC 27610 E-mail: charles.greene@honeywell.com Tel: 919-212-5018

18 September 2023 CETECOM Inc. 411 Dixon Landing Road Milpitas, CA 95035 USA Re: FCC ID: QZC-NXCMR300, IC: 4557A-NXCMR300 Dear Sir or Madam, Elster Solutions 208 S Rogers Lane Raleigh, NC 27610-2144 United States T +1 919 212 4800 F +1 919 212 4801 www.elster.com Elster Solutions LLC with FCC Registration Number (FRN) 000863834 certifies that, as of the date of this filing of the application with the TCB, Charles Greene is our designated US agent for service of process for the above referenced FCC ID. Elster Solutions LLC 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 equipment. Respectfully, Charles Greene Advanced Wireless/RF Engineer Telephone: 919-212-5018 e-mail: charles.greene@honeywell.com

Date: 25 July 2023 Federal Communications Commission Equipment and Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Permanent Confidentiality Request FCC ID: QZC-NXCMR300 To whom it may concern, Elster Solutions 208 S Rogers Lane Raleigh, NC 27610-2144 United States T +1 919 212 4800 F +1 919 212 4801 www.elster.com Pursuant to sections 0.457(d) and 0.459 of CFR 47, and KDB 726920, Elster Solutions, LLC hereby requests permanent confidential treatment of information accompanying this application as outlined below:

Schematics Block Diagram Theory of Operation The Model NXCMR300 contains trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to Elster Solutions and provide unjustified benefits to its competitors. Since this design is a basis from which future technological products will evolve, Elster Solutions also feels that this information would be of benefit to its competitors, and that the disclosure of the information in these exhibits would give our competitors an unfair advantage in the market. We are aware that exhibit types cover letters, attestations, label document, test reports, RF exposure information (SAR and MPE reports), cannot be requested to be classified confidential and are thus subject to publication, as will be documents of all other exhibits types for which we have not requested a confidentiality classification. We appreciate your assistance in this matter. Respectfully, Charles Greene Advanced Wireless/RF Engineer Telephone: 919-212-5018 email: charles.greene@honeywell.com

Date: 12 July 2023 Federal Communications Commission Equipment and Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Short Term Confidentiality Request FCC ID: QZC-NXCMR300 To whom it may concern, Elster Solutions 208 S Rogers Lane Raleigh, NC 27610-2144 United States T +1 919 212 4800 F +1 919 212 4801 www.elster.com Pursuant to sections 0.457(d) and 0.459 of CFR 47, and KDB 726920, Elster Solutions, hereby requests permanent confidential treatment of information accompanying this application as outlined below:

1. External Photographs 2. Internal Photographs 3. User / Instruction Manual 4. Test Set-up Photographs until the product will be publicly announced. Short term confidentiality release date: 15 January 2024 These items contain detailed system and equipment description and related information about the product which Elster Solutions considers to be proprietary, confidential and a custom design which otherwise would not be released to the general public. Since this design is a basis from which future technological products will evolve, Elster Solutions also feels that this information would be of benefit to its competitors, and that the disclosure of the information in these exhibits would give our competitors an unfair advantage in the market. We are informed and aware of our obligation that we have to inform the involved TCB in written and in due time if we intend to market the product prior to the above specified confidentiality release date so that the short term confidentiality classification can be reset prior to product launch. We are aware that exhibit types cover letters, attestations, label document, test reports, RF exposure information (SAR and MPE reports), cannot be requested to be classified confidential and are thus subject to publication, as will be documents of all other exhibits types for which we have not requested a confidentiality classification. We appreciate your assistance in this matter. Respectfully, Charles Greene Advanced Wireless/RF Engineer Telephone: 919-212-5018 email: charles.greene@honeywell.com