T7B-2TTire Pressure Transmitter

EnTire Solutions, LLC 24175 Research Drive Farmington Hills, Mi 48335 FR – Letterhead 03/06 RE: Certification for EnTire Solutions, LLC TPM Aftermarket Sensor Model #: 218898-101 (High Line Short Valve Stem) 218898-102 (High Line Long Valve Stem) 218898-103 (Base Line Short Valve Stem) FCC ID: T7B-2T Canada IC: IC6484-2T USER’S MANUAL & COMPLIANCE STATEMENT The TPM Aftermarket Sensor is individually sold by the distributing supplier and as such it will require each sensor sold to be accompanied with the FCC Statement Part 15. The compliance statement for the TPM Sensor (FCC ID: T7B-2T; IC: 6484-2T) will be integrated by the distributing supplier into the user’s instruction manual. It will read: This device complies with part 15 of the FCC rules and with RS-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 EnTire Solutions, LLC could void the user’s authority to operate the equipment.

Re: Certification for EnTire Transmitter Model(s): 218898-101, 218898-102, 218898-103 FCC ID: T7B-2T IC: 6484A-2T REQUEST FOR CONFIDENTIALITY Pursuant to 47 CRF 0.459, EnTire requests that a part of the subject application be held confidential. This comprises Exhibits (5) Schematics (10) Parts List (Part of Exhibit only) EnTire 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 November 7, 2006 Re: Certification for EnTire Transmitter Model(s): 218898-101, 218898-102, 218898-103 FCC ID: T7B-2T IC: 6484A-2T 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 EnTire Transmitter Model(s): 218898-101, 218898-102, 218898-103 FCC ID: T7B-2T IC: 6484A-2T GENERAL PRODUCT INFORMATION The device, for which certification is pursued, has been designed by: EnTire Solutions, LLC 24175 Research Drive Farmington Hills, MI 48335-2642 Timothy Regnerus Tel: (248) 426-3999 Fax: (248) 478-7241 It will be manufactured by: TRW Automotive Electronics 2240 Cranbrook Drive Auburn, NY 13021 Timothy Regnerus Tel: (248) 426-3999 Fax: (248) 478-7241 Canadian Contact: TRW Canada Limited 16643 Highway 12 Midland, Ontario, Canada L4R4L5 Phone Number: 705.526.8791 FAX: 705.527.6232 Contact: Bob Millett ext 4103 Re: Certification for EnTire Transmitter Model(s): 218898-101, 218898-102, 218898-103 FCC ID: T7B-2T IC: 6484A-2T POWER OF ATTORNEY A letter granting Valdis V. Liepa the Power of Attorney is on file and can be provided when so requested. EnTire Solutions, LLC 24175 Research Drive Farmington Hills, Mi 48335 FR – Letterhead 03/06 Federal Communications Commission Applications Processing Branch 7435 Oakland Mills Road Colombia, MD 21046 Re: Letter of Agency for FCC Compliance Testing of Tire Pressure Monitoring Systems Receiver Sensor Initiator Please be advised that EnTire Solutions LLC authorizes Professor Valdis V. Liepa of the University of Michigan, Department of Electrical Engineering and Computer Science, Ann Arbor, Michigan, to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to the certification of the above said systems. Anti-Drug Abuse Certification: I further certify that no party (as defined in 1.2002 of CFR47, 1992) to this application, including myself, is subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti Drug Abuse Act of 1988, 21 U.S.C. 853(a). Dated this 20 Day of April, 2006-4-20 EnTire Solutions LLC Tim Regnerus Quality Director

EnTire Solutions, LLC 24175 Research Drive Farmington Hills, Mi 48335 FR – Letterhead 03/06 RE: Certification for EnTire Solutions, LLC TPM Aftermarket Sensor Model #: 218898-101 (High Line Short Valve Stem) 218898-102 (High Line Long Valve Stem) 218898-103 (Base Line Short Valve Stem) FCC ID: T7B-2T Canada IC: IC6484A-2T PRINCIPLES OF CIRCUIT OPERATION The sensor incorporates an ASIC to measure the parameters within the tire. The ASIC outputs the measured data in digital pulses. The digital data gates on and off a power amplifier which couples the RF carrier to the antenna. The transmitted signal uses Amplitude Shift Keying (ASK). The carrier frequency of the sensor is 315 MHz typically. The worst case frequency shift of the carrier is 314.77MHz for the low frequency and 315.15MHz for the high frequency shift. The receiver bandwidth must be wide enough to pass the transmitter worst case frequency shifts. Reference Block Diagram in Figure 3. BLOCK DIAGRAM Housing Figure 3. TPM Sensor Block Diagram 315MHzRF Transmitter Battery Pressure Temperature Sensor/Control 2 MHz Clock 125KHz Receiver Valve – Rim Mount

Short Stem Long Stem

EnTire Solutions, LLC 24175 Research Drive Farmington Hills, Mi 48335 FR – Letterhead 03/06 RE: Certification for EnTire Solutions, LLC TPM Aftermarket Sensor Model #: 218898-101 (High Line Short Valve Stem) 218898-102 (High Line Long Valve Stem) 218898-103 (Base Line Short Valve Stem) FCC ID: T7B-2T Canada IC: 6484A-2T FCC/IC IDENTIFIER AND MODEL NUMBER Please see Figures 1 (Short Valve Stem) and 2 for the FCC/IC Identifier location and model number location. Figure 1. Identifier Location LASER PRINT TABLE NORTH AMERICAN ASSY (315mhZ) 218898-101 218898-102 218898-103 A ENTIRE T/L 218898-101 ENTIRE T/L 218898-102 ENTIRE T/L 218898-103 B TX SERIAL ID “XXXXXXXXX” TX SERIAL ID “XXXXXXXXX” TX SERIAL ID “XXXXXXXXX” C CANADIAN IC ID “IC: 6484A-2T” CANADIAN IC ID “IC: 6484A-2T” CANADIAN IC ID “IC: 6484A-2T” D FCC ID “FCC ID: T7B-2T” FCC ID “FCC ID: T7B-2T” FCC ID “FCC ID: T7B-2T” E HOUSING MATERIAL “>PPA-GF33<” HOUSING MATERIAL “>PPA-GF33<” HOUSING MATERIAL “>PPA-GF33<” F TX FREQUENCY “315MHz” TX FREQUENCY “315MHz” TX FREQUENCY “315MHz” G ENTIRE SOLUTION ENTIRE SOLUTION ENTIRE SOLUTION H 4.0 Nm 4.0 Nm 4.0 Nm I RE RE RE Figure 2. FCC/IC Identifier and Model Number

EnTire Solutions, LLC 24175 Research Drive Farmington Hills, Mi 48335 FR – Letterhead 03/06 RE: Certification for EnTire Solutions, LLC TPM Aftermarket Sensor Model #: 218898-101 (High Line Short Valve Stem) 218898-102 (High Line Long Valve Stem) 218898-103 (Base Line Short Valve Stem) FCC ID: T7B-2T Canada IC: IC6484A-2T GENERAL DESCRIPTION This transmitter is a transmitter device with tire valve, which is mounted in the valve hole of the wheel rim and transmits the pressure and temperature inside the tire, the battery voltage of the transmitter, and the tire identification code (ID) at normal and abnormal condition with the radio wave (RF) that conforms to the used area. Also this device has a countermeasure function such as the random delay of transmission time so that the RF signal from each tire will not interfere such as due to the simultaneous transmission. The transmitter device also has a Low Frequency (LF) receiver. This receiver supports Low Frequency (LF) magnetic field communications allowing the changing of measurement/monitoring states of the transmitter by commands sent via the wheel-arch mounted TPMS Initiator (LF transmitter). The RF signal operates at 315MHz and uses ASK bi-phase modulation. Only difference between 218898-101/102 and 218898-103 is that in -103 two different RF packages are sent one after the other every 1 min 40 sec, while in -101/102 the same RF package is sent every 1 minute. The 218898-103 features the “short” v-stem There are no differences in components or function. Description of Operations P/N Consumer’s Use Mode Mfg. Modes Mode of Operation Explanation Frequency of Transmission -101, -102, -103 X Storage Mode No transmission. Measures temperature and pressure. 8 words whenever LF activation occurs -101, -102 X Normal Mode Measures temperature and pressure. Transmits periodically. Enters this mode from storage when pressure goes above threshold. 4 words every 1 minute, 8 words LF activation occurs -103 X Normal Mode Measures temperature and pressure. Transmits periodically. Enters this mode from storage when pressure goes above threshold. 4 words every 1 minute and 40 seconds, 8 words LF activation occurs -101, -102, -103 X Alert Mode Transmits when: a) significant pressure delta detected b) high temperature is detected 8 words every 4 seconds for 1 minute -101, -102, -103 X Mfg. Mode Used to test soldering on LF coils. 4 words whenever LF activation occurs

University of Michigan Radiation Laboratory FCC Part 15, IC RSS-210/GEN - Test Report No. 415031-341 Page 1 of 11 The University of Michigan Radiation Laboratory 3228 EECS Building Ann Arbor, MI 48109-2122 Tel: (734) 764-0500 Measured Radio Frequency Emissions From EnTire TPM Transmitter Model(s): 218898-101, 218898-102, and 218898-103 Report No. 415031-341 November 7, 2006 Copyright © 2006 For: EnTire Solutions, LLC 24175 Research Drive Farmington Hills, MI 48335-2642 Contact: Timothy Regnerus Tel: (248) 426-3999 Fax: (248) 478-7241 PO: Verbal Tests supervised by: Measurements made by: Valdis V. Liepa Report approved by: _____________________ Valdis V. Liepa Test Report Prepared by: Joseph D. Brunett Research Scientist Summary Tests for compliance with FCC Regulations Part 15, Subpart C, and Industry Canada RSS-210/GEN, were performed on EnTire Solutions, LLC model(s) 218898-101, 218898-102, 218898-103. This device is subject to the Rules and Regulations as a Transmitter. In testing completed on October 2, 2006, the device tested in the worst case met the allowed FCC specifications for radiated emissions by 1.4 dB (see p. 6). Besides harmonics, there were no other significant spurious emissions found; emissions from digital circuitry were negligible. The conducted emission tests do not apply, since the device is powered from a 12 VDC battery. University of Michigan Radiation Laboratory FCC Part 15, IC RSS-210/GEN - Test Report No. 415031-341 Page 2 of 11 1. Introduction EnTire Solutions, LLC models 218898-101, 218898-102, and 218898-103 were tested for compliance with FCC Regulations, Part 15, adopted under Docket 87-389, April 18, 1989 as subsequently amended, and with Industry Canada RSS-210/Gen, Issue 6, September 2005. The tests were performed at the University of Michigan Radiation Laboratory Willow Run Test Range following the procedures described in ANSI C63.4-2003 "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 Area Tes Site are on file with FCC Laboratory, Columbia, Maryland (FCC Reg. No: 91050) and with Industry Canada, Ottawa, ON (File Ref. No: IC 2057). 2. 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 Hewlett-Packard 8657B University of Michigan Radiation Laboratory FCC Part 15, IC RSS-210/GEN - Test Report No. 415031-341 Page 3 of 11 3. Configuration and Identification of Device Under Test (DUT) 3.1 Design and Identification of the Device The DUT was designed and manufactured by EnTire Solutions, LLC, 24175 Research Drive, Farmington Hills, MI 48335-2642. It is identified as: EnTire Solutions, LLC TPMS Transmitter Model(s): 218898-101, 218898-102, 218898-103 FCC ID: T7B-2T IC: 6484A-2T 3.2 Models There are three versions/models of the DUT. The only difference between the 218898-101 and 218898- 102 models is a variation in the length of the valve stem, the -101 has a short stem and the -102 has a longer stem. The model 218898-103 is electrically identical to the 218898-101. The only difference being that its RF message transmission rate has changed from 1 min to 1 min 40s during normal operation. Transmissions are the same format and data size and contains the same number of RF messages for all three devices. 3.3 Modes of Operation The DUT periodically transmits tire pressure data. The device is also capable of being automatically actuated (via LF interrogation) either by in-vehicle LF initiators or by trained personnel during servicing. Per FCC correspondence, service modes fall under FCC part 15.231(a)(5). Figure 6.1 demonstrates compliance with both 15.231(a)(2) and (5). A list of all operating modes is included in the Description of Operation exhibit. 3.4 EMI/EMC Relevant Modifications There were no modifications made to the DUT by this laboratory. 4. Regulatory Limits The DUT tested falls unde…

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