Description

FCC ID: GQ4-26T

Operational Description

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FCCID_456543

June, 22, 2004 TRW Automotive U.S. LLC
d.b.a TRW Automotive Electronics
24175 Research Drive
TRW
Farmington Hills, MI 48335
Tel: 248.478.7210
Fax: 248.478.7241

RE: Certification for TRW TPM ’05 Sensor
FCC ID: GQ4-26T
Canada IC: 1470A-7T

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.

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Document Created: 2004-08-02 22:57:02
Document Modified: 2004-08-02 22:57:02

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