Technical Requirements for Specific Absorption Rate and RF Exposure

The Federal Telecommunications Institute (IFT) of Mexico published the technical standard for maximum radio emissions and specific absorption rate IFT-012-2019, on 26th February 2020.

These technical specifications ensure that RF devices used in close proximity to the head in the frequency range 300 MHz to 6 GHz comply with basic radiofrequency exposure requirements.

IFT-012-2019 sets out the mandatory compliance criteria for limiting non-ionizing radio emissions of mobile radio/telecom equipment that can be connected to the telecommunications network or utilize the radiofrequency spectrum.

The requirements in IFT-012-2019 follow the international standards listed below:

  • IEC 62209-1: Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted Wireless communication devices- Part 1: Devices used next to the ear (Frequency range of 300 MHz to 6 GHz).
  • IEC 62209-2: Human exposure to radio frequency fields from hand-held and body- mounted Wireless communication devices-Human models, instrumentation, and procedures - Part. 2: Procedure to determine the specific absorption ratio (SAR) for Wireless communication devices used in close proximity to the human body (frequency range of 30 MHz to 6 GHz).
  • International Commission on Non-Ionizing Radiation Protection, "Guidelines for limiting exposure to time-varying electric, magnetic and electromagnetic fields (up to 300 GHz)".

The separation distance for which IFT-012-2019 applies is 200 mm from the device to the human body, meaning all devices intended for operation within this distance is subject to these technical requirements and exposure limits.

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