TPMS yet another LIPD

A vehicle tyre pressure monitoring system (TPMS) operates on 70cm mainly on luxury cars in Europe and the United States.

Using a frequency of on 433.920MHz the system communicates between the tyres and a monitor mounted in the dashboard.

Recent tests, conducted by the Korean Amateur Radio League, found that TPMS is seriously affected by any amateur radio station transmitting on or near the frequency at close range.

The same frequency is also under consideration for remote key entry of vehicles and is already used for radio frequency identification (RFID) on some shipping containers.

See also:
GB3LR closed down due to car locking/alarm systems

Source: Wireless Institute of Australia

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