MZR64006400

February 28, 2020 Elite Electronic Engineering, Inc. 1516 Centre Circle Downers Grove, Illinois 60515 To whom it may concern: Elite Electronic Engineering, Inc. is authorized to act on our behalf for a period that ends on February 28,, 2021, or unless otherwise notified, for applications to the FCC. We certify that we are not subject to denial of federal benefits that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, USC 862. Further, no party, as defined in 47 CFR 1.2002(b) to the application is subject to denial of benefits that includes FCC benefits. Best regards, Candace L. Isetts-Williams Product Regulatory Compliance Manager

February 28, 2020 Subject: Confidentiality Request for: MZR6400 Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10, the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Exhibit Short Term  Permanent Block Diagrams Short Term External Photos Short Term Permanent Internal Photos Short Term  Permanent Operation Description/Theory of Operation Short Term  Permanent Parts List & Placement/BOM Short Term  Permanent Tune-Up Procedure Short Term  Permanent Schematics Short Term Test Setup Photos Short Term Permanent User’s Manuals Master Lock Company LLC has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. NOTE for Industry Canada Applications: The applicant understands that until such time that IC distinguishes between Short Term and Permanent Confidentiality, either type of marked exhibit above will simply be marked Confidential when submitted to IC. Best regards, Candace L. Isetts-Williams Product Regulatory Compliance Manager

Engineering Test Report No. 1901064-04 Report Date 12/18/2019 Manufacturer Name Master Lock Company Manufacturer Address 6744 Howell Ave Oak Creek, WI 53154 Product Name Brand/Model No. 6400 Assessment Dates 10/18-31/2019 Specifications FCC 47 CFR Part 2.1093 KDB, 447498 D01 OET Bulletin 65:1997 Test Facility Elite Electronic Engineering, Inc. 1516 Centre Circle, Downers Grove, IL 60515 Signature Evaluated by Richard E. King Signature Approved by Raymond J. Klouda, Registered Professional Engineer of Illinois – 44894 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. This report shall not be reproduced, except in full, without the written approval of Elite Electronic Engineering Inc. Engineering Test Report No. 1901064-04 This report shall not be reproduced, except in full, without the written approval of Elite Electronic Engineering Inc. Page 2 of 8 Table of Contents 1. Report Revision History ............................................................................................................................ 3 2. Introduction ............................................................................................................................................... 4 3. Subject of Investigation ............................................................................................................................. 4 4. Standards and Requirements ................................................................................................................... 4 5. Radiation Sources ..................................................................................................................................... 4 6. Sample Calculations ................................................................................................................................. 4 7. Statement of Conformity ........................................................................................................................... 5 8. Photographs of EUT .................................................................................................................................. 6 9. Limits and Requirements .......................................................................................................................... 7 10. Assessment Results .................................................................................................................................. 8 Engineering Test Report No. 1901064-04 Page 3 of 8 1. Report Revision History Revision Date Description – 26 DEC 2019 Initial Release of Engineering Test Report No. 1901064-04 Engineering Test Report No. 1901064-04 Page 4 of 8 2. Introduction The FCC publishes standards regarding the evaluation of the RF Exposure hazard of radio communications devices. An evaluation has been performed on the Master Lock Company High Security Padlock, Model No. 6400 pursuant to the relevant requirements. 3. Subject of Investigation This document presents the demonstration of RF Exposure compliance on a High Security Padlock, (hereinafter referred to as the Equipment under Test (EUT)). The High Security Padlock utilizes the following radio access technology(s): - Silicon Labs, Model No EFR32BG13 Blue Gecko Bluetooth® Low Energy, 2400-2483.5MHz 4. Standards and Requirements The tests were performed to selected portions of, and in accordance with the following specification(s). 47 CFR Parts 1.1310, 2.1091 and 2.1093 Code of Federal Regulations, Title 47, Telecommunications KDB 447498 D01 – “RF Exposure Procedures and Equipment Authorization Polices for Mobile and Portable Devices, General RF Exposure Guidance v06” OET Bulletin 65 Edition 97-01:1997 – “Evaluating Compliance with FCC Guidelines for Human Exposure to Radiofrequency Electromagnetic Fields” ANSI/IEEE C95.1:1992 – "Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz," 5. Radiation Sources Radio Type Description BLE Access Technology Frequency Range (MHz) 2400-2483.5 Maximum Power (dBm) 1 -1.9 Antenna Gain (dBi) 0.5 Number of Antennas 1 Duty Cycle % 100 1 – Maximum Rated Output Power 6. Sample Calculations The far field power density can be calculated using the following formula: 푆ൌ 푃퐺 4휋푅 ଶ (1) Where P is the transmit output power (mW), G is the maximum antenna gain relative to an isotropic antenna (linear) and R is the evaluation distance (cm). In cases where multiple antennas are utilized for a single signal, the following formula is applied to calculate the maximum antenna gain: 퐺푎푖푛ሺ푑퐵푖ሻൌ퐺൅10logN (2) Where N is the number of antennas, G is the gain of a single antenna. A minimum separation distance can be calculated using the following formulas Engineering Test Report No. 1901064-04 Page 5 of 8 푀푖푛푖푚푢푚 푆푒푝푒푟푎푡푖표푛퐷푖푠푡푎푛푐푒ൌ ඨ 푃퐺 4휋ሺ푃표푤푒푟퐷푒푛푠푖푡푦퐿푖푚푖푡ሻ (3) Where P is the transmit output power (mW) and G is the maximum antenna gain relative to an isotropic antenna (linear). For sources with frequencies <30MHz 푀푖푛푖푚푢푚 …

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Engineering Test Report No. 1901064-01 Measurement of RF Interference from Part Nos. 6400 and 6401 High Security Padlock Transceiver For Master Lock Company PO Box 927 Oak Creek, WI 53154 P.O. Number 319615 Date Tested October 18-21, 2019 Test Personnel Richard King Specification FCC "Code of Federal Regulations" Title 47, Part 15, Subpart C, Sections 15.207 and 15.247 for Digital Modulation Intentional Radiators Operating within the band 2400-2483.5MHz FCC “Code of Federal Regulations” Title 47, Part15, Subpart 15B, Section 15.107 and 15.109 for Receivers Innovation, Science, and Economic Development Canada RSS-247 Innovation, Science, and Economic Development Canada RSS-GEN Test Report By: Richard King EMC Engineer Requested By: Timothy Brennan Master Lock Company Approved By: Raymond J. Klouda Registered Professional Engineer of Illinois - 44894 Engineering Test Report No. 1901064-01 THIS REPORT SHALL NOT BE REPRODUCED, EXCEPT IN FULL, WITHOUT THE WRITTEN APPROVAL OF ELITE ELECTRONIC ENGINEERING INCORPORATED. Page 2 of 77 TABLE OF CONTENTS PARAGRAPH DESCRIPTION OF CONTENTS PAGE NO. 1. INTRODUCTION ............................................................................................................................................... 5 1.1 Scope of Tests .......................................................................................................................................... 5 1.2 Purpose ..................................................................................................................................................... 5 1.3 Deviations, Additions and Exclusions ....................................................................................................... 5 1.4 EMC Laboratory Identification .................................................................................................................. 5 1.5 Laboratory Conditions ............................................................................................................................... 5 2. APPLICABLE DOCUMENTS ........................................................................................................................... 5 3. EUT SETUP AND OPERATION ....................................................................................................................... 6 3.1 General Description .................................................................................................................................. 6 3.1.1 Power Input .......................................................................................................................................... 6 3.1.2 Peripheral Equipment ........................................................................................................................... 6 3.1.3 Interconnect Cables ............................................................................................................................. 6 3.1.4 Grounding ............................................................................................................................................. 6 3.2 Software .................................................................................................................................................... 6 3.3 Operational Mode ..................................................................................................................................... 6 3.4 EUT Modifications ..................................................................................................................................... 6 4. TEST FACILITY AND TEST INSTRUMENTATION ......................................................................................... 6 4.1 Shielded Enclosure ................................................................................................................................... 6 4.2 Test Instrumentation ................................................................................................................................. 7 4.3 Calibration Traceability ............................................................................................................................. 7 4.4 Measurement Uncertainty ......................................................................................................................... 7 5. TEST PROCEDURES ....................................................................................................................................... 7 5.1 Receiver .................................................................................................................................................... 7 5.2 Transmitter ................................................................................................................................................ 7 5.2.1 Powerline Conducted Emissions .......................................................................................................... 7 5.2.1.1 Requirements .............................................................................................................................. 7 5.2.2 6dB Bandwidth ..................................................................................................................................... 8 5.2.2.1 Requirements .............................................................................................................................. 8 5.2.2.2 Procedures .................................................................................................................................. 8 5.2.2.3 Results ......................................................................................................................................... 8 5.2.3 Peak Conducted Output Power ............................................................................................................ 8 5.2.3.1 Requirements .................................................................................…

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Page 1 of 3 Test Setup for Radiated Emissions – 30MHz to 1GHz, Horizontal Polarization Test Setup for Radiated Emissions – 30MHz to 1GHz, Vertical Polarization Page 2 of 3 Test Setup for Radiated Emissions – 1GHz to 18GHz, Horizontal Polarization Test Setup for Radiated Emissions – 1GHz to 18GHz, Vertical Polarization Page 3 of 3 Test Setup for Radiated Emissions – 18GHz to 25GHz, Horizontal Polarization Test Setup for Radiated Emissions – 18GHz to 25GHz, Vertical Polarization