These exist for occupational use as PPE, not unlike ionizing radiation monitors, e.g. https://www.atecorp.com/category/personal-rf-monitors https://www.atecorp.

These exist for occupational use as PPE, not unlike ionizing radiation monitors, e.g. https://www.atecorp.com/category/personal-rf-monitors https://www.atecorp.com/category/personal-rf-monitors