mpe calculation

FCC ID: 2AE6H-ACCM

RF Exposure Info

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FCCID_4297404

                                                                                                                                  FCC ID: 2AE6H-ACCM

                                                MPE Calculation : BLE
                                                            Max Target                                                                       Maximum power
                                  Frequency range                                ANT Gain          Maximum EIRP           Maximum EIRP                       Requriment
    RF function or Mode                                       Power                                                                              density
                                       (MHz)                                       (dBi)              (dBm)                   (mW)                           (mW/cm2)
                                                               (dBm)                                                                           (mW/cm2)
             BLE              2402.00       ~   2480.00        2.00                1.00                 3.00                  1.996             0.0004         1.000
                                            ~
                                            ~
                                            ~
                                            ~
                                            ~
                                            ~
                                            ~
The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the user.
The MPE sample calculation for this exposure is shown below.
                                 ▪S=        EIRP / ( 4 R2 π )                                     - Note
                                        =       1.996 / ( 4 X 202 X π )                           S= Maximum power density(mW/cm )
                                                                                                                                         2


                                        =      0.0004 mW/cm2                                      EIRP= Equivalent Isotropic Radiated Power(mW)
                                                                                                  R= Distance to the center of the radiation of the antenn
                              ▪ Limits for Maximum Permissible Exposure (MPE)
                                                           Electric Field      Magnetic field
                                  Frequency range                                                  Power Density          Averageing time
                                                             strength            strength
                                       (MHz)                                                         (mW/cm2)                (minutes)
                                                               (V/m)              (A/m)
                                 0.3        ~     1.34                  614                1.63                *100                    30
                                                                                                                      2
                                 1.34       ~     30                   824/f           2.19 / f            *180 / f                    30
                                 30         ~     300                   27.5              0.073                  0.2                   30
                                 300        ~    1,500                                                      f / 1500                   30

                                1,500       ~   100,000                                                          1.0                   30



              Conclusion : The exposure condition of this device is compliant with FCC


                                                                                                                                  FCC ID: 2AE6H-ACCM

                                                MPE Calculation : LTE
                                                            Max Target                                                                       Maximum power
                                  Frequency range                                ANT Gain          Maximum EIRP           Maximum EIRP                       Requriment
    RF function or Mode                                       Power                                                                              density
                                       (MHz)                                       (dBi)              (dBm)                   (mW)                           (mW/cm2)
                                                               (dBm)                                                                           (mW/cm2)
        LTE(Band 12)           699.70       ~   715.30         21.00               2.14                 23.14                206.063            0.0410         0.466
        LTE(Band 4)           1710.70       ~   1754.30        22.00               2.73                 24.73                297.167            0.0592         1.000
        LTE(Band 2)           1850.70       ~   1909.30        20.00               2.74                 22.74                187.932            0.0374         1.000
                                            ~
                                            ~
                                            ~
                                            ~
                                            ~
The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the user.
The MPE sample calculation for this exposure is shown below.
                                 ▪S=        EIRP / ( 4 R2 π )                                     - Note
                                        =     206.063 / ( 4 X 202 X π )                           S= Maximum power density(mW/cm )
                                                                                                                                         2


                                        =       0.041 mW/cm2                                      EIRP= Equivalent Isotropic Radiated Power(mW)
                                                                                                  R= Distance to the center of the radiation of the antenn
                              ▪ Limits for Maximum Permissible Exposure (MPE)
                                                           Electric Field      Magnetic field
                                  Frequency range                                                  Power Density          Averageing time
                                                             strength            strength
                                       (MHz)                                                         (mW/cm2)                (minutes)
                                                               (V/m)              (A/m)
                                 0.3        ~     1.34                  614                1.63                 *100                   30
                                                                                                                      2
                                 1.34       ~     30                   824/f           2.19 / f            *180 / f                    30
                                 30         ~     300                   27.5              0.073                  0.2                   30
                                 300        ~    1,500                                                      f / 1500                   30

                                1,500       ~   100,000                                                          1.0                   30



              Conclusion : The exposure condition of this device is compliant with FCC


                                                                                                                    FCC ID: 2AE6H-ACCM



                        RF Exposure Compliance for simultaneous operations

 ▪ Configurations for simultaneous operations                                   ▪ Configurations for simultaneous operations(LTE, BLE Module)
    - Configuration 1:       LTE + BLE                                          -   LTE Band 12 + BLE
                                                                                -   LTE Band 4 + BLE
                                                                                -   LTE Band 2 + BLE


    Note: Above configuration was declared from applicant.




 ▪ Configurations for simultaneous operation
       RF function or mode                BLE                             LTE                             -               -

               Band                      2.4GHz        Band 12          Band 4            Band 2          -         -           -

          Power Density
                                         0.0004         0.0410          0.0592            0.0374
            (mW/cm2)                                                                                                                      Σ of MPE

           Requirement                                                                                                                     ratios
                                         1.0000         0.4660          1.0000            1.0000
            (mW/cm2)

            MPE ratio
                                         0.0004         0.0880          0.0592            0.0374
  (Power Density/Requirement)

                                         0.0004         0.0880                            0.0374                                          0.1258

                                         0.0004                         0.0592            0.0374                                           0.0970
   Configuration 1 (MPE ratio)
                                         0.0004                         0.0592                          0.0000                             0.0596

                                         0.0004         0.0880                                          0.0000                             0.0884

Note: The maximum power density in each RF function was used for above table.




         ▪ Requirment = Σ of MPE ratios ≤ 1


              Conclusion : The exposure condition of this device is compliant with FCC rules.



Document Created: 2019-05-17 18:14:19
Document Modified: 2019-05-17 18:14:19

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