MRXEG53MA4Tire Pressure Monitoring Transmitter

The device under test is manufactured by the grantee (Schrader Electronics) and sold as an OEM product. Per 47 CFR 2.909, 2.927, 2.931, 2.1033, 15.15(b) etc..., the grantee must ensure the end-user has all applicable / appropriate operating instructions. When end-user instructions are required, as in the case of this product, the grantee must notify the OEM to notify the end- user. Schrader Electronics will supply this document to the reseller/distributor dictating what must be included in the end user’s manual for the commercial product. INFORMATION TO BE INCLUDED IN THE END USER'S MANUAL The following information (in blue) must be included in the end product user’s manual to ensure continued FCC and Industry Canada regulatory compliance. The ID numbers must be included in the manual if the device label is not readily accessible to the end user. The compliance paragraphs below must be included in the user's manual. ****************************************************************************** FCC ID:MRXEG53MA4 IC: 2546A-EG53MA4 This device complies with Part 15 of the FCC Rules and with RSS-210 of Industry Canada. 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. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. WARNING: Changes or modifications not expressively approved by the party responsible for compliance could void the user's authority to operate the equipment. The term “IC:” before the radio certification number only signifies that Industry Canada technical specifications were met.

Willow Run Test Labs, LLC 8501 Beck Road, Building 2227 Belleville, MI 48111 Phone: (734) 252-9785, Fax (734) 926-9785 e-mail: [email protected] December 7, 2011 Federal Communications Commission Equipment Approval Services P.O. Box 358315 Pittsburgh, PA 15251-5315 Re: Certification for Schrader Electronics TPMS FCC ID: MRXEG53MA4 IC: 2546A-EG53MA4 Please find enclosed application materials for certification of the Schrader Electronics GM Epsilon TPMS. We tested it and found it to comply with FCC Part 15. If there are any questions regarding the application or testing performed, please contact me at the above address or call 734-252-9785, fax 734-926-9785 or e-mail [email protected] Sincerely, Joseph D. Brunett, Ph.D. Willow Run Test Labs, LLC

WRTL FCC Part 15 and IC RSS-210/GEN Certification Checklist (02/2011) Page 8 of 9 Federal Communications Commission Applications Processing Branch 7435 Oakland Mills Road Colombia, MD 21046 American Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 To Whom It May Concern: Joseph D. Brunett on behalf of Willow Run Test Labs, LLC is authorized to act on our behalf, until otherwise notified, for applications to American Certification Body, Inc. (ACB). 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, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Dated this 9th day of February, 2011. By: Adrian Condon (Signature) (Print name) Title: EMC & Approvals Team Leader Email: [email protected] On behalf of: Schrader Electronics Ltd (Company Name) Telephone: 00442894483073 Fax: 0044289448440

Willow Run Test Labs, LLC 8501 Beck Road, Building 2227 Belleville, MI 48111 Phone: (734) 252-9785, Fax (734) 926-9785 e-mail: [email protected] Re: Certification for Schrader Electronics TPMS FCC ID: MRXEG53MA4 IC: 2546A-EG53MA4 REQUEST FOR CONFIDENTIALITY Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10, Schrader requests that a part of the subject application be held confidential. Schrader 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. Type of Confidentiality Requested Exhibit Short Term Permanent (1)ID Label & Location Short Term Permanent (3)External Photos Short Term Permanent 1 (4)Block Diagram Short Term Permanent (5)Schematics Short Term Permanent (7)Test Setup Photos Short Term Permanent (8)User’s Manual Short Term Permanent 2 (9)Internal Photos Short Term Permanent (10)Parts List & Placement Short Term Permanent (11)RF Exposure Short Term Permanent (12)Description of Operation 1. Block Diagram includes internal oscillator frequency information that the manufacturer considers to be proprietary. 2. DUT is FULLY potted using a non-removable epoxy based material. Removal of potting material causes irreparable damage to internal circuitry. Photograph exhibits outline the half-clam-shell device before and after potting. Permanent Confidentiality: Schrader requests the exhibits listed above as permanently confidential be permanently withheld from public review. Short-Term Confidentiality (FCC Only): Schrader requests the exhibits selected above as short term confidential be withheld from public view for a period of 45 days from the date of the Grant of Equipment Authorization and prior to marketing. If there are any questions regarding this request, please contact me at the above address or call 734- 252-9785, fax 734-926-9785 or e-mail [email protected] Sincerely, Joseph D. Brunett, Ph.D. Willow Run Test Labs, LLC

Search|RSS |Updates |E-Filing |Initiatives |Consumers |Find People O ffice of Engineering and Technology FCC > FCC E-filing > Inquiry System Home Page > R e ply to O ET R e spo nseFCC Site Map OET Home Page Site Options Basic KDB Search Advanced KDB Search Submit an Inquiry Reply to an Inquiry Response Category List FA Q Sear c h Major Guidance Public ations Draf t Laboratory Division Publications Draf t Laboratory Division Publications (Expired) Draf t Publication Moderation Polic y Re lated Site s Equipment Authorization Presentations Equipment Authorization System (EA S) Telecommunications Certif ic ation Bodies (TCB) Reply to an OET Inquiry Response Currently Display Inquiry Tracking Number: 280186 Contact Information: Customer First Name:Joseph Customer Last Name:Brunett Telephone Number: 517214192 Extension: E-mail Address: [email protected] Address: Line 1:N/A Line 2: P.O. Box: City:N/A State: Zip Code: Country: Inquiry Details: First Inquiry Category: Permit But Ask Guidance for Non TCBs Second Inquiry Category: Other Third Inquiry Category: Devices operating under: 15.231(e) Equipement Class: DSC W ill the FCC permit confidentiality for the internal photographs associated with fully potted tire pressure sensors? Since there are more than 30 separate application for these devices each year, it would be appreciated if a single PBA could be issued that would permit TCB's to hold internal photographs for all half-clam shell TPM sensors filled w ith potting material or the like. Attached w ill be a selection of photographs show ing w hat the devices are and how they are potted. ---Reply from Customer on 11/08/2008--- I have just been informed by my TCB that their PBA request for the same devices does not match w ith this response. They are asking that, per Inquiry 751504, I provide a detailed explanation of how the devices are potted, what the potting material is, how its removal destroys the pcb, and leave me with the impression that a PBA may be needed for every application. Please note that the chemical makeup of the potting material may in itself need to remain confidential as it is proprietary in this industry (not may materials can handle 30g's). Please correspond w ith the review er of KDB Inquiry 751504, relay that internal photographs provided w ithout potting are not obtained by "removing" the potting material, but are "pre-potted" photos, and provide both inquiries w ith a single, consistent, request for more information if needed. Please indicate if additional PBA requests w ill be required for every like application. I apologize if the tone of this response seems harsh, I do not mean it to be. How ever, every delay caused by inconsistent responses requires that I call my clients, outline the problem, request additional information, and request their patience. The current climate in the auto industry makes the final request more challenging as of late. ;) JDB ---Reply from Customer on 06/13/2011--- Response(s): --OET response sent on Nov 7 2008 9:18AM-- Yes, this technique is acceptable to allow confidentiality of internal photos. --OET response sent on Nov 17 2008 3:38PM-- You should not need a PBA request for every filing since you may reference this KDB in each subsequent filing for similar device.

Global A Electrical Architecture Tire Pressure Sensor CTS V3.0 14 Operational State Pressure Sample Interval (seconds) Stimulus RF Transmit Mode HeaderTransmit Interval (seconds) Transmit # Frames Off 30 P ≥69 kPa (+/-) Exitin g OffNormal Single event, when required 3 LF Activation Exiting OffNormal16 ≥17 G Accel Nonen/a0 Stationary 30 P ≥8.25 kPa Pressure Triggered Learn Single event, when required 6 LF Activation Learn-LF Triggered Learn16 LF Activation Entering OffNormal3 ≥17 G Accel RollingNormal6 Rolling 30 + Rolling Delay Value P ≥8.25 kPa Re-MeasureNormalSin gle event, when required 6 ≥17 G Accel RollingNormalEvery 10 sec (First 15 times); Every 2 nd sample 6 <17 G Accel Nonen/a0 Alert Stationary 1 P ≥8.25 kPa Pressure Triggered Learn Single event, when required 6 LF Activation Learn-LF Triggered Learn16 ≥17 G Accel NoneN/a0 Alert Rolling 1 P ≥8.25 kPa Re-MeasureNormalSin gle event, when required 6 <17 G Accel Nonen/an/a0 Formatted: Don't hyphenate

Date of Issue: December 6, 2011Prepared For: Schrader ElectronicsTest Report No.: 20111206-01 Willow Run Test Labs, LLC 8501 Beck Road, Building 2227 Belleville, Michigan 48111 USA Tel: (734) 252 9785 Fax: (734) 926 9785 e-mail: [email protected] Testing of Electromagnetic Emissions per USA: CFR Title 47, Part 15.231(a,e) Canada: RSS-210, RSS-GEN are herein reported for Schrader Electronics EG53MA4 Test Report No.: 20111206-01 Copyright c ©2011 Applicant/Provider: Schrader Electronics 11 Technology Park, Belfast Road, Antrim Northern Ireland BT41 1QS United Kingdom Phone: +44 28 9448 3073, Fax: +44 28 9446 8440 Contact Person: Adrian Condon; [email protected] Measured by: Report Approved by: Dr. Joseph Brunett, EMC-002790-NEDr. Joseph Brunett, EMC-002790-NE Report by:Report Date of Issue:December 6, 2011 Dr. Joseph Brunett, EMC-002790-NE Results of equipment under test (EUT) testing completed before December 6, 2011 are as follows. EmissionsThe transmitter fundamental emission meets the regulatory limit(s) by no less than 6.6 dB. Transmit chain spurious harmonic emissions comply by no less than 7.8 dB. Willow Run Test Labs, LLC, 8501 Beck Rd., Bldg 2227, Belleville, MI 48111Page 1 of 14 Date of Issue: December 6, 2011Prepared For: Schrader ElectronicsTest Report No.: 20111206-01 Contents 1 Test Specifications, General Procedures, and Location3 1.1 Test Specification and General Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1.2 Test Location and Equipment Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 2 Configuration and Identification of the Equipment Under Test5 2.1 Description and Declarations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2.1.1EUT Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2.1.2Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2.1.3Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 2.1.4Test Samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 2.1.5Functional Exerciser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 2.1.6Modifications Made . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 2.1.7Production Intent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 2.1.8Declared Exemptions and Additional Product Notes . . . . . . . . . . . . . . . . . . . . . . . .6 3 Emissions7 3.1 General Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 3.1.1Radiated Test Setup and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 3.1.2Conducted Test Setup and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.1.3Power Supply Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.1.4Thermal Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.2 Intentional Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.2.1Fundamental Emission Pulsed Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.2.2Fundamental Emission Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3.2.3Fundamental Emission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.3 Unintentional Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.3.1Transmit Chain Spurious Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 List of Tables 1Willow Run Test Labs, LLC Equipment List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 2EUT Declarations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 3Pulsed Emission Characteristics (Duty Cycle). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4Intentional Emission Bandwidth.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5Fundamental Radiated Emissions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6Transmit Chain Spurious Emissions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 List of Figures 1Photographs of the EUT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2EUT Test Configuration Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 3Radiated Emissions Diagram of the EUT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 4Radiated Emissions Test Setup Photograph(s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 5Pulsed Emission Characteristics (Duty Cycle). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5Pulsed Emission Characteristics (Duty Cycle). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6Intentional Emission Bandwidth.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Willow Run Test Labs, LLC, 8501 Beck Rd., Bldg 2227, Belleville, MI 48111Page 2 of 14 Date of Issue: December 6, 2011Prepared For: Schrader ElectronicsTest Report No.: 20111206-01 1 Test Specifications, General Procedures, and Location 1.1 Test Specification and General Procedures The ultimate goal of Schrader Electronics is to demonstrate that the EUT complies with the Rules and/or Directives below. Detailed in this report are the results of testing the Schrader Electronics EG53MA4 for compliance to: Country/RegionRules or DirectiveReferenced Section(s) United StatesCode of Federal RegulationsCFR Title 47, Part 15.231(a,e) Cana…

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