KOBHR05TPMAutomobile Tire Pressure Monitoring Receiver

Re: Certification for Lear TPM Receiver Model(s): L0043246AA/95810-3L000, L0043261AA/95810-1G100 FCC ID: KOBHR05TPM IC: 3521A-HR05TPM USER'S MANUAL INFORMATION (PRELIMINARY) The User's Manual is in preparation. The following material will be contained in the manual: FCC ID: KOBHR05TPM IC: 3521A-HR05TPM 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. 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.

Re: Certification for Lear TPM Receiver Model(s): L0043246AA/95810-3L000, L0043261AA/95810-1G100 FCC ID: KOBHR05TPM IC: 3521A-HR05TPM POWER OF ATTORNEY A letter granting Valdis V. Liepa the Power of Attorney is on file and can be provided when so requested. Re: Certification for Lear TPM Receiver Model(s): L0043246AA/95810-3L000, L0043261AA/95810-1G100 FCC ID: KOBHR05TPM IC: 3521A-HR05TPM REQUEST FOR CONFIDENTIALITY Pursuant to 47 CRF 0.459, Lear requests that a part of the subject application be held confidential. This comprises Exhibits (5) Schematics (10) Parts List (Part of Exhibit only) Lear 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. If there are any questions regarding this request, please contact me at the above address or call 734-483-4211, fax 734-647-2106 or e-mail [email protected]. Sincerely, Valdis V. Liepa Research Scientist University of Michigan September 28, 2004 Re: Certification for Lear TPM Receiver Model(s): L0043246AA/95810-3L000, L0043261AA/95810-1G100 FCC ID: KOBHR05TPM IC: 3521A-HR05TPM STATEMENT OF MODIFICATIONS There were no modifications made to the DUT by this test laboratory. (Also see Section 3.1 of the attached Test Report). _____________________ Valdis V. Liepa Research Scientist Re: Certification for Lear TPM Receiver Model(s): L0043246AA/95810-3L000, L0043261AA/95810-1G100 FCC ID: KOBHR05TPM IC: 3521A-HR05TPM GENERAL PRODUCT INFORMATION The device, for which certification is pursued, has been designed by: Lear Corporation 5200 Auto Club Drive Dearborn, MI 48126 Stanley Chan Tel: 313-593-9510 Fax: 313-593-9526 It will be manufactured by: Lear Corporation 5100 West Waters Avenue Tampa, FL 33634 Stanley Chan Tel: 313-593-9510 Fax: 313-593-9526 Canadian Contact: John J. Jackson Vehicle Safety and Regulatory Affairs Daimler-Chrysler Canada-Automotive Research & Development Ctr. (ARDC) 3939 Rhodes Drive Windsor, ON. N8W 5B5 Tel: (519) 973 - 2870 Email: [email protected]

315MHz RF Receiver Block Diagram Receiver IC Internal Block Diagram

September 28, 2004 Federal Communications Commission Equipment Approval Services P.O. Box 358315 Pittsburgh, PA 15251-5315 Re: Certification for Lear TPM Receiver Model(s): L0043246AA/95810-3L000, L0043261AA/95810-1G100 FCC ID: KOBHR05TPM IC: 3521A-HR05TPM Please find enclosed application materials for certification of Lear L0043246AA/95810- 3L000, L0043261AA/95810-1G100 Receiver. 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 734-483-4211, fax 734-647-2106, or e-mail [email protected]. Sincerely, Valdis V. Liepa Research Scientist September 28, 2004 Certification and Engineering Bureau Industry Canada 3701 Carling Avenue, Bldg. 94 Ottawa, Ontario K2H 8S2 Re: Certification for Lear TPM Receiver Model(s): L0043246AA/95810-3L000, L0043261AA/95810-1G100 FCC ID: KOBHR05TPM IC: 3521A-HR05TPM Please find enclosed application materials for certification of Lear L0043246AA/95810- 3L000, L0043261AA/95810-1G100 Receiver. We tested the device and found it to comply with RSS-210. The product is identified by: IC: 3521A-HR05TPM If there are any questions, suggestions, etc., regarding the application or testing performed, please contact me at the above address or call 734-483-4211, fax 734-647- 2106; e-mail: [email protected]. Sincerely, Valdis V. Liepa Research Scientist

September 28, 2004 American Telecommunications Certification Body, Inc. 6731 Whittier Avenue Suite C110 McLean, VA 22101 RE: Certification Application FCC ID: KOBHR05TPM Please find enclosed application materials for certification of Lear L0043246AA/95810- 3L000, L0043261AA/95810-1G100 Receiver. Note: 1) portions of this submittal are filed Confidential 2) a list of the modifications made is provided in Attestations. If there are any questions regarding the application or testing performed, please contact me at the above address or call 734-483-4211, fax 734-647-2106, or e-mail [email protected]. Sincerely, Valdis V. Liepa Research Scientist

1. ID Label Drawing The FCC ID, IC ID, and statements of compliance are molded into the bottom side of the module housing. The module part number label is located below the FCC ID and IC ID. The top side of the module has OEM and Module Manufacturer information molded into the housing.

7a. TPM Module Description of Operation This TPMS module is a direct measurement type system that is designed to monitor the actual pressure within an automotive tire. In general, the TPMS module provides the FMVSS required warning of a low tire pressure condition to the vehicle driver. The TPMS system comprises three modules: the Receiver (RX), optional Low Frequency Initiators (LFI), and the Wheel Electronics (WE) sensor units. The WE sensors are located within each tire, and provide an accurate measure of the pressure and temperature within the tire. The WE sensors periodically transmit high frequency RF signals with this pressure and temperature data to the RX module which determines if there is a low pressure condition in a tire. If necessary, the RX will warn the vehicle operator by lighting a warning lamp. On vehicles equipped with Low Line (L/L) systems, a single lamp (TREAD) warns of a pressure fault in any of the monitored tires. The vehicle operator will need to determine manually which tire or tires are low. Vehicles with High Line (H/L) systems have a Low Frequency Initiator module at each wheel well. The LFI modules are controlled by the receiver to enable the system to determine the position of each WE sensor unit, and thus report to the vehicle operator the location of a tire with a pressure fault. The High Line system has the TREAD lamp as well as four lamps to indicate tire position on the vehicle. Both systems also have a warning lamp (TPMS) that indicates when a system fault has occurred and the system is unable to perform its functions. The receiver module also incorporates diagnostic capabilities via a K-line serial communications diagnostic link. The LOW LINE TPMS Receiver module’s MCU and RF receiver circuits are active while the vehicle’s ignition circuit is energized. It continuously monitors for RF broadcasts from nearby WE units. The Receiver module has nonvolatile memory in which the ID codes of the WE sensor units fitted to that particular vehicle are stored. When the Receiver module receives an information broadcast, it checks to see if the ID code contained within that broadcast matches one of the ID codes stored within its nonvolatile memory. If this is the case, the Receiver module applies the information contained within that broadcast to the TPMS Warning Algorithm. This algorithm evaluates the pressure and temperature of each tire for changes over time, and is responsible for making the decision to alert the driver to a potentially dangerous tire inflation condition via a visible ‘TREAD’ indicator. In addition to processing data from the WE sensor units, the Receiver module is also capable of self-diagnosis of its circuitry and operating condition. If a serious fault is detected, the Receiver module can alert the vehicle operator to this condition by means of a second visible ‘TPMS SYSTEM WARNING’ indicator. A HIGH LINE TPMS Receiver module performs the same functions as the LOW LINE RX module, but in addition is equipped to control four Low Frequency Initiator (LFI) modules fitted to the vehicle near each of the four tire locations. When the ignition circuit is first energized, the Receiver module will activate each of the LFI modules one at a time. The coded electromagnetic field from the LFI module causes a nearby WE sensor to temporarily suspend normal processing and broadcast an RF message. The message content is the same as those normally generated by the WE sensor, with the exception that the operating state information within the broadcast reflects that the WE sensor has detected the coded electromagnetic field from a nearby LFI module. Upon reception of the broadcast from the WE sensor, the Receiver module will be able to associate the unique WE ID code with the wheel’s position on the vehicle. This “auto-location” process takes place each time the vehicle’s ignition circuit is energized, so that changes in wheel position will be noted. The TPMS Warning Algorithm continues to evaluate the pressure and temperature of each tire, and is responsible for making the decision to alert the driver to a potentially dangerous tire inflation condition via a visible ‘TREAD’ indicator. It will also indicate the appropriate tire position via the ‘Front Right (FR), ‘Front Left (FL)’, ‘Rear Right (RR)’, and ‘Rear Left (RL)’ indicators. 7b. RF Receiver Description of Operation The TPMS module RF receiver consists of an integrated low noise amplifier (Infineon BGA420) coupled to an integrated low power superheterodyne receiver (Infineon TDA5211). A 315MHz band-pass (SAW) filtering is apllied between the LNA and superheterodyne receiver. The low noise amplifier and superheterodyne receiver are tuned to receive frequency-shift-keyed (FSK) data in the 315MHz frequency range. The receiver IC contains a low noise amplifier, double balanced mixer, fully integrated VCO, PLL synthesizer, crystal oscillator, limiter with RSSI generation, PLL FSK demodulator, data filter, data comparator, and peak detector. The signal at the receiver IC input is amplified by an internal LNA which has a voltage gain of 15 to 20 dB. A double balanced mixer then down-converts the 315MHz signal to a 10.7MHz intermediate frequency (IF) by high side injection at the mixer with a division ratio of 32. A 10.178 MHz crystal oscillator frequency is used for the IF generation. FSK demodulation is achieved by an internal PLL circuit. The demodulated data is then filtered and fed into a data slicer. The data slicer is a fast comparator with a bandwidth of 100 kHz. It compares the analog input data with a self adjusting reference level generated by an RC term. The output of the data slicer, which is the receiver data out, is a digital signal (CMOS-like levels).

The University of Michigan Radiation Laboratory 3228 EECS Building Ann Arbor, MI 48109-2122 Tel: (734) 764-0500 Measured Radio Frequency Emissions From Lear Corporation TPM Receiver Model(s): L0043246AA/95810-3L000 L0043261AA/95810-1G100 Report No. 415031-222 September 28, 2004 Copyright © 2003 For: Lear Corporation 5200 Auto Club Drive Dearborn, MI 48126 Contact: Stanley Chan Tel: 313-593-9510 Fax: 313-593-9526 PO: Verbal Tests supervised by: Measurements made by: Report approved by: _____________________ Valdis V. Liepa Valdis V. Liepa Research Scientist Summary Tests for compliance with FCC Regulations Part 15, Subpart B, and Industry Canada RSS-210, were performed on Lear Corporation TPM Receiver. This device is subject to the Rules and Regulations as a Receiver. As a Digital Device it is exempt, but such measurements were made to assess the receiver's overall emissions. In testing completed on September 9, 2004, the device tested in the worst case met the allowed FCC (Class B) specifications for radiated emissions by 14.8 dB (see p. 6). The conducted emissions tests do not apply, since the device is powered from a 12 VDC system. 2 1. Introduction Lear Corporation TPM Receiver was tested for compliance with FCC Regulations, Part 15, adopted under Docket 87-389, April 18, 1989, and with Industry Canada RSS-210, Issue 5, November, 2001. The tests were performed at the University of Michigan Radiation Laboratory Willow Run Test Range following the procedures described in ANSI C63.4-1992 "Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz". The Site description and attenuation characteristics of the Open Site facility are on file with FCC Laboratory, Columbia, Maryland (FCC Reg. No: 91050) and with Industry Canada, Ottawa, ON (File Ref. No: IC 2057). 2. Test Procedure and Equipment Used The pertinent test equipment commonly used in our facility for measurements is listed in Table 2.1 below. The middle column identifies the specific equipment used in these tests. Table 2.1 Test Equipment. Test Instrument Eqpt. Used Manufacturer/Model Spectrum Analyzer (0.1-1500 MHz) Hewlett-Packard, 182T/8558B Spectrum Analyzer (9kHz-22GHz) X Hewlett-Packard 8593A SN: 3107A01358 Spectrum Analyzer (9kHz-26GHz) X Hewlett-Packard 8593E, SN: 3412A01131 Spectrum Analyzer (9kHz-26GHz) Hewlett-Packard 8563E, SN: 3310A01174 Spectrum Analyzer (9kHz-40GHz) Hewlett-Packard 8564E, SN: 3745A01031 Power Meter Hewlett-Packard, 432A Power Meter Anritsu, ML4803A/MP Harmonic Mixer (26-40 GHz) Hewlett-Packard 11970A, SN: 3003A08327 Harmonic Mixer (40-60 GHz) Hewlett-Packard 11970U, SN: 2332A00500 Harmonic Mixer (75-110 GHz) Hewlett-Packard 11970W, SN: 2521A00179 Harmonic Mixer (140-220 GHz) Pacific Millimeter Prod., GMA, SN: 26 S-Band Std. Gain Horn S/A, Model SGH-2.6 C-Band Std. Gain Horn University of Michigan, NRL design XN-Band Std. Gain Horn University of Michigan, NRL design X-Band Std. Gain Horn S/A, Model 12-8.2 X-band horn (8.2- 12.4 GHz) Narda 640 X-band horn (8.2- 12.4 GHz) Scientific Atlanta , 12-8.2, SN: 730 K-band horn (18-26.5 GHz) FXR, Inc., K638KF Ka-band horn (26.5-40 GHz) FXR, Inc., U638A U-band horn (40-60 GHz) Custom Microwave, HO19 W-band horn(75-110 GHz) Custom Microwave, HO10 G-band horn (140-220 GHz) Custom Microwave, HO5R Bicone Antenna (30-250 MHz) X University of Michigan, RLBC-1 Bicone Antenna (200-1000 MHz) X University of Michigan, RLBC-2 Dipole Antenna Set (30-1000 MHz) X University of Michigan, RLDP-1,-2,-3 Dipole Antenna Set (30-1000 MHz) EMCO 2131C, SN: 992 Active Rod Antenna (30 Hz-50 MHz) EMCO 3301B, SN: 3223 Active Loop Antenna (30 Hz-50 MHz) EMCO 6502, SN:2855 Ridge-horn Antenna (300-5000 MHz) X University of Michigan Amplifier (5-1000 MHz) X Avantak, A11-1, A25-1S Amplifier (5-4500 MHz) X Avantak Amplifier (4.5-13 GHz) Avantek, AFT-12665 Amplifier (6-16 GHz) Trek Amplifier (16-26 GHz) Avantek LISN Box University of Michigan Signal Generator X Hewlett-Packard 8657B 3 3. Configuration and Identification of Device Under Test The DUT is a superheterodyne receiver, designed for onboard automobile TPM and security/convenience applications, and as such, it is powered from an automotive 12 VDC source. It is housed in a plastic case approximately 2 by 3 by 1 inches. Antenna is internal. For testing, a generic harness and load box were provided by the manufacturer. In the receiver digital section, the decoding, signal processing, etc. are performed by a microprocessor timed by an 8.0 MHz oscillator. The DUT was designed by Lear Corporation, 5100 W. Waters Ave., Tampa, Florida 33634. It is identified as: Lear Corporation Receiver Model(s): L0043246AA/95810-3L000 L0043261AA/95810-1G100 FCC ID: KOBHR05TPM IC: 3521A-HR05TPM 3.1 Modifications Made There were no modifications made to the DUT by this laboratory. 4. Emission Limits The DUT tested falls under Part 15, Subpart B, "Unintentional Radiators". The pertinent test frequencies, with corresponding emission limits, are given in Tables 4.1 and 4.2 below. 4.1 Radiated Emission Limits Table 4.1. Radiated Emission Limits (Ref: 15.33, 15.35, and 15.109). Freq. (MHz) E lim (3m) μV/m E lim dB(μV/m) 30-88 100 40.0 88-216 150 43.5 216-960 200 46.0 960-2000 500 54.0 Note: Quasi-Peak readings apply to 1000 MHz (120 kHz BW) Average readings apply above 1000 MHz (1 MHz BW) 4.2 Conducted Emission Limits Table 4.3 Conducted Emission Limits (FCC:15.107 (CISPR); IC: RSS-210, 6.6). Frequency Class A (dBμV) Class B (dBμV) MHz Quasi-peak Average Quasi-peak Average .150 - 0.50 79 66 66 - 56* 56 - 46* 0.50 - 5 73 60 56 46 5 - 30 73 60 60 50 Notes: 1. The lower limit shall apply at the transition frequency 2. The limit decreases linearly with the logarithm of the frequency in the range 0.15-0.50 MHz: *Class B Quasi-peak: dBμV = 50.25 - 19.12*log( f ) *Class B Average: dBμV = 40.25 - 19.12*log( f ) 3. 9 kHz RBW 4 4.3 Antenna Power Conduction Limits Ref: 15.111(a). Pmax = 2 nW; for frequenc…

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