Importance

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Abstract

A process couples personal protective equipment devices configured to communicate wirelessly with each other. A first registration signal (S1) is transmitted from a first transmitter (6a) of a first device (1). The first registration signal is received with a first and second receivers (4a, 4b) of a second device (2) and is attenuated on a first path (9a) to the first receiver differently than on a second path (9b) to the second receiver. A first path signal strength and a second path signal strength of the first registration signal are measured. A difference value (41) of the first path signal strength and the second path signal strength is measured. The first device and the second device are coupled taking into account the difference value. A system for personal protective equipment and personal protective equipment, including a compressed air breathing apparatus (62), are configured to carrying out the process.

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First Claim