Goto Section: 95.2567 | 95.2571 | Table of Contents

FCC 95.2569
Revised as of October 1, 2018
Goto Year:2017 | 2019
  § 95.2569   MedRadio field strength measurements.

   Compliance with MedRadio equivalent isotropic radiated power (M-EIRP)
   limits can be determined by measuring the radiated field strength from
   the transmitter type, in accordance with the rules in this section.

   (a) Radiated field strength values corresponding to the M-EIRP limits
   in § 95.2567 are given in the table in this paragraph, for an open area
   test site, and for a test site equivalent to free space, such as a
   fully anechoic test chamber. Field strength is measured at a distance
   of 3 meters from the equipment under test.
   M-EIRP
   limit Open
   area
   (mV/m) Free
   space
   (mV/m)
          1 mW   115.1 57.55
          25 μW   18.2   9.1
          250 nW   1.8   0.9
          100 nW   1.2   0.6

   (b) Compliance with the maximum transmitter power requirements in
   § 95.2567 is based on measurements using a peak detector function and
   measured over an interval of time when transmission is continuous and
   at its maximum power level. In lieu of using a peak detector function,
   measurement procedures that have been found to be acceptable to the FCC
   in accordance with § 2.947 of this chapter may be used to demonstrate
   compliance.

   (c) For a MedRadio transmitter intended to be implanted in a human
   body, radiated emissions and M-EIRP measurements for transmissions by
   stations authorized under this section may be made in accordance with
   an FCC-approved human body simulator and test technique. Guidance
   regarding SAR measurement techniques dielectric parameters for the
   tissue-equivalent material can be found in the Office of Engineering
   and Technology (OET) Laboratory Division Knowledge Database (KDB).

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Goto Section: 95.2567 | 95.2571

Goto Year: 2017 | 2019
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