mpe calculation

FCC ID: RI7DE910-DUAL

RF Exposure Info

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FCCID_1607421

                  Prediction of MPE limit at a given distance
Equation from page 18 of OET Bulletin 65, Edition 97-01
           PG
   S=
          4πR 2
          S = power density
          P = output power
          G = antenna gain
          R = distance
                                 22H                        24E
                Output Power    24.74   (dBm)              24.37   (dBm)
                Output Power     298    (mW)                274    (mW)
                Antenna Gain     5.12   (dBi)               6.12   (dBi)
                Antenna Gain     3.25   (numeric)           4.09   (numeric)
                     Distance     20    (cm)                 20    (cm)
                  Duty Cycle:    100    (%)                 100    (%)
                   Frequency     825    (MHz)              1900    (MHz)
     MPE Limit General Public   0.550   (mW/cm^2)          1.000   (mW/cm^2)
               Power Density    0.193   (mW/cm^2)          0.223   (mW/cm^2)
                Margin           4.56   (dB)                6.52   (dB)

 2.1091           EIRP          29.86   (dBm)              30.49   (dBm)
                  ERP           27.72   (dBm)              28.35   (dBm)
                  ERP            0.59   (W)                 0.68   (W)
                  ERP Limit       1.5   (W)                   3    (W)
                  Margin         4.04   (dB)                6.42   (dB)

 22.913           ERP Limit        7    (W)
                  ERP            0.59   (W)
 24.232           EIRP Limit                                  2    (W)
                  EIRP                                      1.12   (W)
                  Margin        10.73 (dB)                 2.520   (dB)



Document Created: 2011-12-19 14:14:51
Document Modified: 2011-12-19 14:14:51

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