name: NIR
full_form: Non-Ionizing Radiation
context: The independent scientific organisation ICNIRP, which is sponsored by WHO, investigates potential health effects of NIR and develops international guidelines on exposure limits [1]. These guidelines form the basis of many national standards and regulations. The ICNIRP guidelines are based on consensus of all the existing scientific results and provide protection against all established health effects of NIR exposure. In the frequency range from 10 MHz to 10 GHz, the fundamental exposure limits, which are called basic restrictions, are expressed as SAR limits. SAR is a measure of the rate of absorption of electromagnetic energy in tissue during exposure. There are two sets of limits, one for general public exposure and another for occupational exposure. Furthermore, there are three different SAR limits; whole-body averaged SAR, localised SAR in the head and trunk, and localised SAR in the limbs. The averaging mass for the latter two limits is 10 g of tissue and these are primarily
description: Non-Ionizing Radiation (NIR) refers to a type of electromagnetic radiation that does not have enough energy to remove tightly bound electrons from atoms, resulting in the ionization of atoms or molecules. In telecommunications, NIR is relevant due to its potential health effects and exposure limits for users of wireless communication devices.
explanation: NIR is classified under Health & Safety because it deals with the potential risks and safety concerns associated with electromagnetic radiation exposure, a crucial aspect of user well-being in the context of telecommunications.
section_title: 4.1ICNIRP exposure limits
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