MRXAFFPF4TPMS Transmitter

Willow Run (WR) Test Labs, Inc. 7117 Fieldcrest Dr., Brighton, Michigan 48116 USA Tel: (734) 252-9785, Fax: (734) 926-9785, e-mail: [email protected] Re: Certification for Schrader Electronics FCC ID: MRXAFFPA4 IC: 2456A-AFFPA4 REQUEST FOR CONFIDENTIALITY Pursuant to USA FCC 47 CFR 0.457(d) and 0.459 and Canada IC RSP-100, Section 10, Schrader Electronicsrequests that a part of the subject application be held confidential. Schrader Electronics 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. Exhibit Conf. TypeRational Exh 04 - Block DiagramPermanentIncludes proprietary internal oscillator information. Exh 05 - SchematicsPermanentIncludes proprietary design information Exh 10 - BOM + PlacementPermanentIncludes proprietary design information Exh 11 - Operational DescriptionPermanentIncludes proprietary design information Permanent Confidentiality:Schrader Electronics requests that any exhibits listed above as permanently confidential be permanently withheld from public review. Short-Term Confidentiality (FCC Only):Schrader Electronics requests that any exhibits selected above as short term confidential be withheld from public view for a period of days (noted above) from the date of the Grant of Equipment Authorization and prior to marketing. If there are any questions regarding the application or testing performed, please contact us at the above address or call (734) 252-9785, or e-mail [email protected]. Sincerely, Joseph D. Brunett Willow Run (WR) Test Labs, Inc. 9

Amber Helm Development L.C. 92723 Michigan Hwy-152 Sister Lakes, Michigan 49047 USA Tel: 888-847-8027 EMC Test Report AFFPF4-WR1924TX Issued:April 22, 2019 regarding USA: CFR Title 47, Part 15.231(Emissions) Canada: ISED RSS-210v10/GENv5(Emissions) for AFFPF4 Category: TPMS Transmitter Judgments: 15.231e/RSS-210v10 Compliant Transmitter Testing Completed: December 31, 2019 TESTING NVLAP LAB CODE 200129-0 Prepared for: Schrader Electronics 11 Technology Park, Belfast Road, Antrim Northern Ireland BT41 1QS United Kingdom Phone: +44 28 9448 3067, Fax: +44 28 9446 8440 Contact: James Kyle, [email protected] Data Recorded by:Reviewed by: Dr. Joseph Brunett, EMC-002790-NEGordon Helm, EMC-002401-NE Prepared by: Date of Issue: April 22, 2019 Dr. Joseph Brunett, EMC-002790-NE A copy of this report will remain on file until May 2030.Page 1 of 17 Date: April 22, 2019Prepared For: Schrader ElectronicsReport No.: AFFPF4-WR1924TX Revision History Rev. No.DateDetailsRevised By r0April 22, 2019Initial Release.J. Brunett r1May 22, 2020Duty Table Error - Associated CorrectionsJ. Brunett Contents Revision History2 Table of Contents2 1 Test Report Scope and Limitations4 1.1 Laboratory Authorization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.2 Report Retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.3 Subcontracted Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.4 Test Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.5 Limitation of Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.6 Copyright . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.7 Endorsements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 1.8 Test Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 1.9 Traceability and Equipment Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2 Test Specifications and Procedures6 2.1 Test Specification and General Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 3 Configuration and Identification of the Equipment Under Test7 3.1 Description and Declarations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 3.1.1EUT Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3.1.2Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3.1.3Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3.1.4Test Samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3.1.5Functional Exerciser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3.1.6Modifications Made . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3.1.7Production Intent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3.1.8Declared Exemptions and Additional Product Notes . . . . . . . . . . . . . . . . . . . . . . . .8 4 Emissions9 4.1 General Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4.1.1Radiated Test Setup and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4.1.2Conducted Emissions Test Setup and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.1.3Power Supply Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.2 Intentional Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.2.1Fundamental Emission Pulsed Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4.2.2Fundamental Emission Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4.2.3Fundamental Emission Field Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.3 Unintentional Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.3.1Transmit Chain Spurious Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5 Measurement Uncertainty and Accreditation Documents17 Amber Helm Development L.C., 92723 Michigan Hwy-152, Sister Lakes, Michigan 49047 USAPage 2 of 17 Date: April 22, 2019Prepared For: Schrader ElectronicsReport No.: AFFPF4-WR1924TX List of Tables 1Test Site List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2Equipment List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 3EUT Declarations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 4Fundamental Emission Pulsed Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5Fundamental Emission Bandwidth.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6Fundamental Emission Field Strength.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 7Transmit Chain Spurious Emissions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 8Measurement Uncertainty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 List of Figures 1Photos of EUT.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 2EUT Test Configuration Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 3Radiated Emissions Diagram of the EUT. . …

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