RF Exposure

FCC ID: X4YHAPFI4U2

RF Exposure Info

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FCCID_4419353

                              RF Exposure evaluation

FCC ID:X4YHAPFI4U2

1. Reference
According to §1.1307(b)(1), systems operating under the provisions of this section shall be
operated in a manner that ensures that the public is not exposed to radio frequency energy
level in excess of the Commission’s guidelines.
According to §1.1310 and §2.1091 RF exposure is calculated.
KDB447498 D01: Mobile and Portable Devices RF Exposure Procedures and Equipment
Authorization Policies

2. Limit
Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure
  Frequency       Electric Field    Magnetic Field     Power Density         Averaging Time
 Range(MHz)       Strength(V/m)      Strength(A/m)        (mW/cm²)              (minute)
                      Limits for Occupational/Controlled Exposure
   0.3 – 3.0           614                1.63              (100) *                  6
   3.0 – 30           1842/f             4.89/f            (900/f2)*                 6
   30 – 300            61.4              0.163                1.0                    6
  300 – 1500             /                  /                f/300                   6
1500 – 100,000           /                  /                  5                     6

Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure
  Frequency       Electric Field    Magnetic Field     Power Density         Averaging Time
 Range(MHz)       Strength(V/m)      Strength(A/m)        (mW/cm²)              (minute)
                      Limits for Occupational/Controlled Exposure
   0.3 – 3.0           614                1.63              (100) *                 30
   3.0 – 30           824/f              2.19/f            (180/f2)*                30
   30 – 300            27.5              0.073                0.2                   30
  300 – 1500             /                  /               f/1500                  30
1500 – 100,000           /                  /                 1.0                   30

F=frequency in MHz
*=Plane-wave equivalent power density



Document Created: 2019-09-02 11:58:57
Document Modified: 2019-09-02 11:58:57

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