Electromagnetic fields.

SBB is minimising the electromagnetic fields to which passengers and workers are exposed. Most of SBB's electrical equipment has already undergone remediation.

Wherever electric current flows or radio waves are transmitted, electromagnetic fields are created (also known as non-ionising radiation or "electrosmog" in common parlance). SBB is committed to reducing this radiation. Most of its overhead power lines and transmission lines have already been refurbished.

Electromagnetic fields are also generated by mobile phones. As passengers like to make phone calls from trains without being interrupted, SBB is installing repeaters. These devices transmit mobile phone signals through the shielded bodywork of coaches, thus improving on-board call quality. Thanks to these repeaters, mobile phones require up to 600 times less transmission power. This significantly reduces the radiation to which phone users and other passengers are exposed.

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