operational description

FCC ID: GQ4-36T

Operational Description

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FCCID_808525

TRW Automotive April 27, 2007 OSS Electronics 24175 Research Dr. Farmington Hills, MI 48335-2642 Tel 248.478.7210 Fax 248.478.7241 RE: Certification for Honda MY08 FSK Baseline TPM Sensor Model #: 217652-101 FCC ID: GQ4-36T Canada IC: 1470A-17T 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 due to the simultaneous transmission. The transmitter device also has a Low Frequency (LF) detector. This detector supports Low Frequency (LF) magnetic field communications allowing the changing of measurement/monitoring states of the transmitter by commands sent via the TPM diagnostic tool. The RF signal operates at 315MHz and uses FSK Manchester code modulation. 217652-101 transmits 5 RF packets every 1 minute. Description of Operation P/N Consumer’s Mfg. Mode of Explanation Frequency of Use Mode Modes Operation Transmission No transmission. Measures 5 words upon LF 217652-101 X Storage Mode temperature and acceleration. activation Measures temperature and 5 words every 1 X pressure. Transmits periodically. minute, 5 words 217652-101 Normal Mode Enters this mode from storage if LF activation when pressure goes above occurs threshold. Transmits when: X 10 words every 4 a) significant pressure delta 217652-101 Alert Mode seconds for 1 detected minute b) high temperature is detected No transmissions X Measures temperature and 217652-101 No RF mode occur in this pressure. mode Legal name here


Document Created: 2007-06-17 11:02:17
Document Modified: 2007-06-17 11:02:17
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