2AB8I-TR4Transceiver for Utility Meters

[email protected] www.nextcenturymeters.com V. 010621 TR4 Transceiver Indoor Meter Reading and Wireless Transceiver Operation and Installation Guide 1| Product Overview The NextCentury TR4 Transceiver introduces the next generation of superior wireless performance. Featuring Meter+™ technology, this Transceiver offers broad meter compatibility in a single model. Engineered for long maintenance-free operation, the TR4 provides hourly-read precision with a 10- year battery life. Meter+™ Advanced Compatibility The TR4 Transceiver utilizes Meter+™ technology, making this single model compatible with virtually all modern encoded and pulse-output utility meters, including water, electric, gas, run-time, and thermal meter models. • Single model supports a pulse or encoded meter • Easy configuration, external programmer is not required • Visual LED indicators to verify meter connections Intelligent Wireless The TR4 Transceiver builds on the previous generation’s longest in-class wireless range, and now boasts up to 3x more range. Utilizing two-way NextCentury RF Connect™ wireless, the TR4 has intelligent routing capabilities ensuring success in a variety of environments, from spread-out commercial properties to high-density apartment complexes in excess of 4,000 meter points. The TR4 is a drop-in replacement for any previous generation NextCentury Transceiver. Wireless network operation is seamlessly compatible with all earlier generation Repeaters and Gateways. A Superior Platform Property setup, configuration, and usage data are managed on the NextCentury Cloud Platform. This robust management solution connects you to a wide range of features facilitating property setup and ongoing operation. 2| Technical Specifications 2.1 – Certifications FCC: 2AB8I-TR4 (pending) IC: 20949-TR4 (pending) 2.2 – Wireless Communication • Two-way NextCentury RF Connect™ • 902-928 MHz Unlicensed Band 2.3 – Meter Compatibility • Pulse or encoded meter types (see section 3) • Single model supports all configurations 2.4 – In-Field Configuration • Simple meter configuration—no external programmer required 2.5 – Battery • Preinstalled, field-replaceable CR18505 • Estimated 10-year battery life* *Note: 10-year battery estimated with operating temperatures between 60ºF-90ºF, and 6-hr device check-in. Achieved battery life can be greater or less than 10 years depending on the meter type, system configuration, and lifetime operating temperature. 2.6 – Dimensions • 3.3in x 1.8in x 1.3in (84mm x 46mm x 33mm) 2.7 – Operation Environment: • -20°C to 60°C (-4°F to 140°F ) • Should be installed in an indoor, dry environment [email protected] www.nextcenturymeters.com V. 010621 3| Meter Compatibility 3.1 – Pulse Output Meters • Passive pulse sensing (including reed switch, solid-state relay, contact relay, open-drain types) • Active voltage sensing (max. 16 VDC) • Supports tamper circuit to detect disconnect from meter (optional) 3.2 – Encoded Output Meters • Neptune (Including ProRead, ECoder, and ProCoder register models) • Sensus UI-1203 (Includes most meter models, from Sensus, Hersey, Mueller, Master Meter, Badger, Kamstrup, Elster, Metron-Farnier, and Zenner) • GWF ECO (Includes all GWF encoder meters) • Elster/AMCO K-Frame (Includes most meter models, from Elster, AMCO, ABB and Kent) 4| In-Field Installation 4.1 – Mounting Plate Installation • Peel off backing on the included adhesive pad and mount onto the wall • (Optional) For additional holding strength, the included screws and plastic anchors can be used. Pre-drill using a 7/32” (5.5mm) drill bit • When used with the NextCentury M201 Water Meter, remove the TR4’s mounting plate and slide onto the meter’s included mounting adapter • For third-party meters, the Zip Mount Adapter can be used 4.2 – Meter Wiring • Strip meter wire ends to 3/16” (5 mm) • Insert stripped wire ends into the blue terminal connector and tighten securely using a Phillips (PH-1) screwdriver 4.3 – Meter Wiring Diagram 5| LED Indicators The TR4 features two separate LED indicators with simple color- coded feedback. 6| Configuring Meter Type 6.1 – Entering Configuration Mode Note: The TR4 is configured for a pulse meter by default. No configuration change is necessary. • Press and hold the Test Connect button for 5 seconds to enter Configuration Mode • The Meter LED will display a solid color to show the current meter configuration 6.2 – Toggle Pulse or Encoded • Tap the Test Connect button to toggle between Pulse Meter (red) and Encoded Meter (blue) configurations • After 3 seconds, the meter type is accepted [email protected] www.nextcenturymeters.com V. 010621 7| Pulse Meter 7.1 – Configure for Pulse • Enter configuration mode • If the Meter LED is solid blue, the TR4 is configured for a pulse meter (see previous section) 7.2 – Verify Meter Connection A pulse from the connected meter is indicated by a fast blue blink of the Meter LED 8| Encoded Meter 8.1 – Encoded Meter • To verify which meter type is currently configured, enter configuration mode • If the Meter LED is solid red, the TR4 is configured for an encoded meter (see section 6) 8.2 – Verify Meter Connection • Press the Test Button • The TR4 will try to read the connected meter • A green blink indicates the TR4 can read the meter • A red blink indicates the meter could not be read and wiring should be checked 9| Programming & Wireless Check-In 9.1 – Property Setup The NextCentury website or NCSS mobile app can be used to set up and configure the property, units, and meters. Visit support.nextcenturymeters.com for additional property setup details. 9.2 – Programming Property programming is the process of associating Transceiver serial numbers to the meters they are reading. Scan the barcode to ensure the serial number is entered accurately. 9.3 – Gateway Device Management After programming, the connected Gateway will automatically sync and communicate with the TR4. 9.4 – Wireless Connection LED Indicators The…

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Authority to Act as Agent FCC 23-Feb-2021 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 SUBJECT: FCC Application for FCC ID: 2AB8I-TR4 To Whom It May Concern: We, the undersigned, hereby authorize Jason Stewart of VPI Laboratories at 313 W. 12800 S,. Suite 311, Draper UT 84020 to act as our agent and on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by VPI Laboratories on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, (Must be signed by the person that is listed on the FCC Website) By: Adam K. Paul Title: Vice President & Executive Engineer On behalf of: NextCentury Submetering Solutions, LLC.

313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_ExtPho.docx Page 1 of 4 PROPRIETARY External Photographs Photograph 1 – Front View of the EUT Photograph 2 – Side 1 View 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_ExtPho.docx Page 2 of 4 PROPRIETARY Photograph 3 – Back View of the EUT Photograph 4 – Side 2 View 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_ExtPho.docx Page 3 of 4 PROPRIETARY Photograph 5 – Side 3 View Photograph 6 – Side 4 View 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_ExtPho.docx Page 4 of 4 PROPRIETARY Photograph 7 – PCB Placement View

313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_IntPho.docx Page 1 of 3 PROPRIETARY Internal Photographs Photograph 1 – Front View of the Device Trace Antenna RF Shield 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_IntPho.docx Page 2 of 3 PROPRIETARY Photograph 2 – Back View of the Device 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_IntPho.docx Page 3 of 3 PROPRIETARY Photograph 3 – View of Circuitry Under the RF Shield

313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_MPE.docx Page 1 of 2 PROPRIETARY 47 C.F.R. Part 1, Subpart I, Section 1.1310 47 C.F.R. Part 2, Subpart J, Section 2.1091 Maximum Permissible Exposure Calculations For FCC ID: 2AB8I-TR4 902 – 928 MHz ISM Band Transceiver EUT Device Category = General Population/Uncontrolled Exposure EUT consists of one ISM band radio transmitting operating over a range of: 910.2 MHz to 920 MHz MPE Summary: According subpart 1.1307 (b)(1) and 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. Limits for General Population/Uncontrolled Exposure Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm2) Averaging Time (Minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f2) 30 30-300 27.5 0.073 0.2 30 300-1500 / / f/1500 30 1500-100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density Calculated Formulary: Predication of MPE limit at a given distance: S = power density (in appropriate units, e.g. mW/cm 2 ) R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) PG = EIRP 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_MPE.docx Page 2 of 2 PROPRIETARY MPE and Limit are calculated as follows: f (MHz) EIRP (mW) Power Density (mW/cm^2) Limit (mW/cm^2) ∆ 910.2 263.03 0.052 0.607 0.555 915.0 237.14 0.047 0.610 0.563 920.0 237.68 0.047 0.613 0.566 Result: The device meets FCC MPE limit at 20 cm for General Population/Uncontrolled Exposure as specified in 47 CRF §1.1310 and §2.1091.

313 West 12800 South, Suite 311 Draper, UT 84020 (801) 260-4040 Test Report Certification FCC ID 2AB8I-TR4 Equipment Under Test TR4 Test Report Serial No V055990_02 Date of Test January 18, 2021 Report Issue Date January 21, 2021 Test Specifications: Applicant: FCC Part 15, Subpart C Next Century Submetering Systems, LLC P.O. Box 360 Tybee Island, GA 31328 U.S.A. 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 V055990_02_TR4_FCC_Sub_C.docx Page 2 of 36 PROPRIETARY Certification of Engineering Report This report has been prepared by VPI Laboratories, Inc. to document compliance of the device described below with the requirements of Federal Communications Commission (FCC) Part 15, Subpart C. This report may be reproduced in full. Partial reproduction of this report may only be made with the written consent of the laboratory. The results in this report apply only to the sample tested. Applicant Next Century Submetering Systems, LLC Manufacturer Next Century Submetering Systems, LLC Brand Name Next Century Model Number TR4 FCC ID 2AB8I-TR4 On this 21 st day of January 2021, I, individually and for VPI Laboratories, Inc., certify that the statements made in this engineering report are true, complete, and correct to the best of my knowledge, and are made in good faith. Although NVLAP has accredited the VPI Laboratories, Inc. EMC testing facilities, this report must not be used to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the federal government. VPI Laboratories, Inc. Tested by: Norman P. Hansen Reviewed by: Benjamin N. Antczak 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 V055990_02_TR4_FCC_Sub_C.docx Page 3 of 36 PROPRIETARY Revision History Revision Description Date 01 Original Report Release January 21, 2021 02 Correcting Applicant Address February 24, 2021 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 V055990_02_TR4_FCC_Sub_C.docx Page 4 of 36 PROPRIETARY Table of Contents 1 Client Information ................................................................................................................................. 5 1.1 Applicant ....................................................................................................................................... 5 1.2 Manufacturer ................................................................................................................................. 5 2 Equipment Under Test (EUT) ............................................................................................................... 6 2.1 Identification of EUT .................................................................................................................... 6 2.2 Description of EUT ....................................................................................................................... 6 2.3 EUT and Support Equipment ........................................................................................................ 6 2.4 Interface Ports on EUT ................................................................................................................. 7 2.5 Modification Incorporated/Special Accessories on EUT .............................................................. 7 2.6 Deviation from Test Standard ....................................................................................................... 7 3 Test Specification, Methods and Procedures ........................................................................................ 8 3.1 Test Specification .......................................................................................................................... 8 3.2 Methods & Procedures .................................................................................................................. 8 3.3 Test Procedure ............................................................................................................................ 12 4 Operation of EUT During Testing ...................................................................................................... 13 4.1 Operating Environment ............................................................................................................... 13 4.2 Operating Modes ......................................................................................................................... 13 4.3 EUT Exercise Software ............................................................................................................... 13 5 Summary of Test Results .................................................................................................................... 14 5.1 FCC Part 15, Subpart C .............................................................................................................. 14 5.2 Result .......................................................................................................................................... 14 6 Measurements, Examinations and Derived Results ............................................................................ 15 6.1 General Comments ...................................................................................................................... 15 6.2 Test Results ................................................................................................................................. 15 7 Test Procedures and Test Equipment .................................................................................................. 26 7.1 Direct Connection at the Antenna Port Test ............................................................................... 26 7.2 Radiated Emissions ..................................................................................................................... 26 7.3 Equipment Calibration ................................................................................................................ 28 7.4 M…

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313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_Tsup.docx Page 1 of 4 PROPRIETARY Test Set Up Photographs Radiated Photograph 1: Front View Radiated Emissions, Below 1000 MHz Worst Case Configuration Photograph 2: Back View Radiated Emissions, Below 1000 MHz Worst Case Configuration 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_Tsup.docx Page 2 of 4 PROPRIETARY Photograph 3: Front View Radiated Emissions Worst Case – Above 1000 MHz Configuration 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_Tsup.docx Page 3 of 4 PROPRIETARY Reference Test Set Up Photographs Photograph 4: Reference Photo of Test Setup for Emissions Below 30 MHz Photograph 5: Reference Photo of Test Setup for Emissions From 30 MHz to 1000 MHz 313 West 12800 South, Suite 311, Draper, UT 84020 • (801) 260-4040 TR4_Tsup.docx Page 4 of 4 PROPRIETARY Photograph 6: Reference Photo of Test Setup for Emissions Above 1000 MHz