SDBAPXCVRZIG01AP/APX ZIGBEE TRANSCEIVER

Federal Communications Commission Date 8-14-07 Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Gentlemen: Sensus Metering Systems respectfully requests confidentiality of certain materials provided with the submission of the APXCVRZIG01 under FCC ID: SDBAPXCVRZIG01 in accordance with FCC Regulations 0.459. The confidentiality request applies to the following: • 07-0352 – Schematics.pdf • 07-0352 – Parts List.pdf • 07-0352 - Theory of Operation.pdf • 07-0353 – User’s Guide.pdf • 07-0352 – Block Diagram.pdf • 07-0352 - Tune up Procedure.pdf • 07-0352 – Internal Photos.pdf Confidentiality of the Internal Photos is being requested because this is a non- consumer device which is not accessible by the general public and is only serviceable by the licensee or designated technicians. The User’s Guide is very technical and is not provided to the consumer because the consumer cannot service or install the device. Therefore confidentiality of the User’s Guide is also requested. The APXCVRZIG01 has been developed at considerable effort and expense by Sensus Metering Systems. These items are considered as Trade Secrets and therefore public access to the proprietary material could possibly result in duplication of equipment that could severely damage the company’s business advantage. I appreciate your assistance in this matter. Sincerely, Name: William Jones_____________ Signature:_______________________________ Title: _ RF Engineer ________ Date: 8-14-07 Sensus Metering Systems Inc. Communications Group, Santa Barbara 44 Castilian Drive Goleta, Ca 93118 Telephone 805-562-5390 Facsimile 805-562-9134 Date: __08/14/2007_________________________

_____________________________________________________________________________________________ Transceiver Certification Test Report FCC ID: SDBAPXCVRZIG01 IC: 2220A-APXCVRZIG01 FCC Rule Part: CFR 47 Part 15.247, Part 24 Subpart D, Part 90 Subpart I, Part 101 Subpart C IC Standards Specification: RSS-210, RSS-119, RSS-134 ACS Report Number: 07-0352 Manufacturer: Sensus Metering Systems Model: APXCVRZIG01 External Photos Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 The APXCVRZIG01 is stand-alone printed circuit board module designed to be used in multiple host devices and therefore there are no external photographs available. Internal photographs are available but have been held confidential due to the installation and utilization of this device.

_____________________________________________________________________________________________ Transceiver Certification Test Report FCC ID: SDBAPXCVRZIG01 IC: 2220A-APXCVRZIG01 FCC Rule Part: CFR 47 Part 15.247, Part 24 Subpart D, Part 90 Subpart I, Part 101 Subpart C IC Standards Specification: RSS-210, RSS-119, RSS-134 ACS Report Number: 07-0352 Manufacturer: Sensus Metering Systems Model: APXCVRZIG01 Label Information Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 1: Label Text Figure 2: Label Location SENSUS METERING SYSTEMS Model # APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC: 2220A-APXCVRZIG01 This device complies with Part 15 of the FCC Rules and Industry Canada requirements. 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.” This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Transceiver Certification Test Report FCC ID: SDBAPXCVRZIG01 IC: 2220A-APXCVRZIG01 FCC Rule Part: CFR 47 Part 15.247, Part 24 Subpart D, Part 90 Subpart I, Part 101 Subpart C IC Standards Specification: RSS-210, RSS-119, RSS-134 ACS Report Number: 07-0352 Manufacturer: Sensus Metering Systems Model: APXCVRZIG01 RF Exposure Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 General Information: Applicant: Sensus Metering Systems ACS Project: 07-0352 FCC ID: SDBAPXCVRZIG01 Device Category: Mobile Environment: General Population/Uncontrolled Exposure Technical Information SMS Radio: Antenna Type: Printed Monopole Antenna Gain: 0dBi Transmitter Conducted Power: 29.99dBm Maximum System EIRP: 29.99dBm Exposure Conditions: Greater than 20 centimeters Technical Information 2400 MHz Zigbee: Antenna Type: Printed Monopole Antenna Gain: 0dBi Transmitter Conducted Power: 6.06dBm Maximum System EIRP: 6.06dBm Exposure Conditions: Greater than 20 centimeters MPE Calculation The Power Density (mW/cm 2 ) is calculated as follows: S = 2 4R PG π Where: S = power density (in appropriate units, e.g. mW/cm2) P = power input to the antenna (in appropriate units, e.g., mW) G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) MPE Calculator for Mobile Equipment Limits for General Population/Uncontrolled Exposure* 896.012529.990.60997.7001.000 200.198 24806.061.004.0401.000200.001 Power De nsity (mW/cm^2) Dista nce (cm) Transmit Frequency (MHz) Radio Power (dBm) Power Density Limit (mW/Cm2) Radio Power (mW) Ante nna Gain (dBi) Antenna Gain (mW eq.) Note: Summation of power densities is within the lower Power density limit of 0.60 mW/cm2. Installation Guidelines The installation manual should contain text similar to the following advising how to install the equipment to maintain compliance with the FCC RF exposure requirements: RF Exposure In accordance with FCC requirements of human exposure to radio frequency fields, the radiating element shall be installed such that a minimum separation distance of 20 centimeters will be maintained. Conclusion This device complies with the MPE requirements by providing adequate separation between the device, any radiating structure and the general population.

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Transceiver Certification Test Report FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 FCC Rule Part: CFR 47 Part 24 Subpart D, Part 90 Subpart I, Part 101 Subpart C IC Standards Specification: RSS-119, RSS-134 ACS Report Number: 07-0352-LD Applicant: Sensus Metering Systems Model: APXCVRZIG01 Test Begin Date: August 22, 2007 Test End Date: August 24, 2007 Report Issue Date: August 27, 2007 FOR THE SCOPE OF ACCREDITATION UNDER LAB Code 200612-0 This report is not be used to claim certification, approval, or endorsement by NVLAP, NIST or any government agency. Prepared by: Reviewed by: Jeff Woods Wireless Certification Engineer ACS, Inc. J. Kirby Munroe Manager Wireless Certifications ACS, Inc. This test report shall not be reproduced except in full. This report may be reproduced in part with prior written consent of ACS, Inc. The results contained in this report are representative of the sample(s) submitted for evaluation. This report contains 39 pages ACS Report: 07-0352-LD Advanced Compliance Solutions Page 2 Table of Content 1.0 General 3 1.1 Purpose 3 1.2 Product Description 3 1.3 Test Methodology and Configuration 3 1.3.1 Test Configurations and Justification 3 1.3.2 In-Band Testing Methodology 4 1.4 Emission Designators 4 2.0 Test Facilities 5 2.1 Location 5 2.2 Laboratory Accreditations/Recognitions/Certifications 5 2.3 Radiated Emissions Test Site Description 6 2.3.1 Semi-Anechoic Chamber Test Site 6 2.3.2 Open Area Tests Site (OATS) 7 2.4 Conducted Emissions Test Site Description 8 3.0 Applicable Standards and References 8 4.0 List of Test Equipment 9 5.0 Support Equipment 10 6.0 EUT Setup and Block Diagram 10 7.0 Summary of Tests 11 7.1 RF Power Output 11 7.1.1 Measurement Procedure 11 7.1.2 Measurement Results 11 7.2 Occupied Bandwidth (Emission Limits) 15 7.2.1 Measurement Procedure 15 7.2.2 Measurement Results 15 7.3 Spurious Emissions at Antenna Terminals 20 7.3.1 Measurement Procedure 20 7.3.2 Measurement Results 20 7.4 Field Strength of Spurious Emissions 26 7.4.1 Measurement Procedure 26 7.4.2 Measurement Results 26 7.5 Frequency Stability 29 7.5.1 Measurement Procedure 29 7.5.2 Measurement Results 30 7.6 Radiated Emissions (Unintentional Radiators) 38 7.6.1 Measurement Procedure 38 7.6.2 Measurement Results 38 7.7 Power Line Conducted Emissions 39 7.7.1 Measurement Procedure 39 7.7.2 Measurement Results 39 8.0 Conclusion 39 Additional Exhibits Included In Filing Internal Photographs External Photographs Tune-up Procedure Test Setup Photographs Product Labeling RF Exposure – MPE Calculations Installation/Users Guide System Block Diagram Theory of Operation Parts List Schematics Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 ACS Report: 07-0352-LD Advanced Compliance Solutions Page 3 1.0 GENERAL 1.1 Purpose The purpose of this report is to demonstrate compliance with Part 2 Subpart J, Part 24 Subpart D, Part 90 Subpart I, and Part 101 Subpart C of the FCC’s Code of Federal Regulations and RSS-119 and RSS- 134. 1.2 Product Description The APXCVRZIG01 transceiver module is a printed circuit board that provides wireless communication capability via the SMS wireless telemetry network. The APXCVRZIG01 also communicates using a Zigbee transceiver to devices within a few hundred feet. It therefore provides the user with a method of communicating between a remote system and various devices locally. Manufacturer Information: Sensus Metering Systems 8601 six forks Road Raleigh, NC 27615 Factory Contact: Bob Davis Sensus Metering Systems 114 Northpark Blvd Suite 10 Covington, LA 70433 985-773-1236 Detailed photographs of the EUT are filed separately with this filing. 1.3 Test Methodology and Configurations 1.3.1 Test Configurations and Justification The APXCVRZIG01 is a module designed to be integrated into a host device therefore testing was performed on the module in a stand-alone configuration with the exception of AC power line conducted emissions. AC power line conducted emissions was performed with the module installed into a typical host device. For RF conducted measurements, the APXCVRZIG01 was modified with an external RF connector to the PCB. The APXCVRZIG01 utilizes non-detachable antennas for normal operation but for RF conducted testing the antennas were disconnected and a 50-Ohm test cable soldered (with the appropriate ground connection) to the PCB. The APXCVRZIG01 contains multiple transceivers which can operate simultaneously, the SMS wireless telemetry transceiver and the Zigbee transceiver. These transceivers do not share the same antenna therefore only radiated inter-modulation products were evaluated. The results are included in Section 7.6.3 of this report. This report only addresses the SMS wireless telemetry radio section which operates under FCC Part 24, 90, and 101 as well as IC RSS-119 and RSS-134. The 2400-2483.5 MHz Zigbee operation under FCC Part 15.247 and IC RSS-210 is addressed in ACS report 07-0352-15C. Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 ACS Report: 07-0352-LD Advanced Compliance Solutions Page 4 1.3.2 In-Band Testing Methodology For testing in accordance with 47 CFR 2.1046-2.1057, OET/Lab recommends that the following be used to select test frequencies for licensed devices: Frequency range over which device operates Number of frequencies Location in the range of operation 1 MHz or less 1 Middle 1 to 10 MHz 2 1 near top and 1 near bottom 10 to 100 MHz 3 1 near top, 1 near middle and 1 near bottom The APXCVRZIG01 is designed to operate in multiple bands under the requirements of CFR 47 Parts 24, 90, and 101. The following is a list of the frequency bands of operation sorted based on the FCC rule parts in which the band is associated. CFR Title 47 Rule Part Frequency Band of Operation (MHz) 24D 901.0 - 902.0 24D 930.0 - 931.0 24D 940.0 - 941.0 90 896.0125 - 901.0 90 935.0 - 940.0 101 928.85 - 929.0 101 932.0 - 932.5 101 …

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_____________________________________________________________________________________________ Transceiver Certification Test Report FCC ID: SDBAPXCVRZIG01 IC: 2220A-APXCVRZIG01 FCC Rule Part: CFR 47 Part 15.247, Part 24 Subpart D, Part 90 Subpart I, Part 101 Subpart C IC Standards Specification: RSS-210, RSS-119, RSS-134 ACS Report Number: 07-0352 Manufacturer: Sensus Metering Systems Model: APXCVRZIG01 Test Set Up Photos Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 1: Radiated – Intentional Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 2: Radiated – Intentional Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 3: Radiated – Intentional – Close Up View Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 4: Radiated – Intentional – Substitution Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 5: Radiated – Unintentional Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 6: Radiated – Unintentional Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 7: Conducted Emissions Model: APXCVRZIG01 FCC ID: SDBAPXCVRZIG01 IC ID: 2220A-APXCVRZIG01 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Figure 8: Conducted Emissions