FCC ID: QZC-NXCM NXCM Utility Metering Module

The modular transmitter is only approved for use by the grantee in its own products and not intended for sale to third parties; the user manual integration instructions are internal confidential manufacturing documents. Per KDB996369 D03, the integration instructions are placed in the Theory of Operations under long term confidentiality.

21 Sep 2020 TUV SUD America Inc. 10 Centennial Drive Peabody, MA 01960, USA Re: FCC ID: QZC-GNIC, IC: 4557A-NXCM Dear Sir or Madam, We, Elster Solutions LLC, hereby authorize Stan Mushyakov of TUV SUD America, 5945 Cabot Parkway,Alpharetta, GA 30005 to act as our agent in all matters relating to applications for equipment authorization, including the signing of all documents relating to these matters. Respectfully, polo He John Holt Principal Engineer Telephone: 919-250-5557 e-mail: john.holt@honeywell.com Vital Connections Elster Solutions 208 S Rogers Lane Raleigh, NC 27610-2144 United States T +1919 212 4800 F +1919 212 4801 www.elster.com

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. Be od Raleigh, NC 27610-2144 Federal Communications Commission United States Equipment and Authorization Branch ad SE BLD eeOD 7435 Oakland Mills Road F +1949 212 4801 Columbia, MD 21046 www.elster.com Confidentiality Request FCC ID: QZC-NXCM & QZC-NXCMI To whom it may concern, Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commissions Rules, Elster Solutions, LLC hereby requests permanent confidential treatment of information accompanying this application as outlined below:

Schematics Bill of Materials/Parts List Block Diagram Theory of Operation Internal photos The Model NXCM 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. In addition, the Printed Circuit Board in the NXCM device is encapsulated in potting material and is not accessible to an end user. Elster Solutions understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application. We appreciate your assistance in this matter. Sincerely, Principal Engineer Telephone: 919-250-5557 E-mail: john.holt@honeywell.com

Date: 21 Sep 2020 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Modular Approval Request FCC ID: QZC-NXCM The following attestation addresses the requirements to support modular approval:

Modular approval requirement Yes (provide brief statement) No *

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

(a) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly

(b) The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal

(c) The module must contain power supply regulation on the module Yes, all circuitry related to the radio subsystem of the device are placed underneath an installed RF shield. This includes all tuning capacitors, RF ICs, and lumped element circuitry. Yes, the radio modem is designed and configured to comply with Part 15 requirements under all operating conditions. Antenna tuning components are located outside the RF shield can. No, the NXCM PCBA does not regulate the provided input voltage. Elster Solutions accepts responsibility of installing the NXCM PCBA with an external battery that will provide identical voltage conditions as those tested during certification testing.

(d) The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) Yes, the antenna utilized by the NXCM is a ceramic chip antenna that is permanently attached.