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The TPMS Transmitter is installed to the valve stem in each tyre of a vehicle. The unit measures tyre
pressure periodically and transmits this information by RF communication to a receiver inside the vehicle.
In addition, the TPMS Transmitter performs the following functions:
Determines a temperature compensated pressure value.
Determines any abnormal pressure variations in the wheel.
Monitors the state of the Transmitters' internal battery and informs the receiver of a low battery
condition.
Modulation
During the Rotating Mode, The modulation used for the sensor is FSK (Amplitude -Shift Keying)
with 50% Manchester bi-phase encoding.
Tyre Pressure Monitoring Sensor
Model: AG2SM3
Product Specification / User Manual
Schrader Electronics Ltd
Unit 11 Technology Park
Belfast Road
Antrim, Northern Ireland, BT41 1QS
United Kingdom
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Table of Contents
Summary of Contents for Schrader AG2SM3
- Page 1 Schrader Electronics Ltd Unit 11 Technology Park Belfast Road Antrim, Northern Ireland, BT41 1QS United Kingdom Tyre Pressure Monitoring Sensor Model: AG2SM3 Product Specification / User Manual The TPMS Transmitter is installed to the valve stem in each tyre of a vehicle. The unit measures tyre pressure periodically and transmits this information by RF communication to a receiver inside the vehicle.
- Page 2 Schrader Electronics Ltd Unit 11 Technology Park Belfast Road Antrim, Northern Ireland, BT41 1QS United Kingdom Modes of Operation Rotating Mode While the sensor/transmitter in the Rotating Mode, it shall satisfy the following requirements. The sensor/transmitter shall transmit an instantaneous measured data, as defined in Section 3.1 of this document, if a pressure change of 2.0 psi from the last transmission or greater has occurred with respect...
- Page 3 Schrader Electronics Ltd Unit 11 Technology Park Belfast Road Antrim, Northern Ireland, BT41 1QS United Kingdom FCC: FEDERAL COMMUNICATIONS COMMISSION INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
- Page 4 Schrader Electronics Ltd Unit 11 Technology Park Belfast Road Antrim, Northern Ireland, BT41 1QS United Kingdom ISED: Canada, Innovation, Science and Economic Development Canada (ISED) Notices This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: This device may not cause interference.
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