MPE Evaluation

FCC ID: I4L-MS6833

RF Exposure Info

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FCCID_402115

                                                                                          Report No. 042L121FI




          RF Exposure Evaluation declaration


                               Product Name : Mini PCI Card
                                      Model No.: MS-6833
                                     FCC ID: I4L-MS6833




 Applicant : MICRO-STAR INT’L Co., LTD
 Address : No 69, Li-De st., Jung-He City, Taipei Hsien, Taiwan, R.O.C




                            Date of Receipt        : Feb. 18. 2004

                            Date of Declaration : Feb. 27. 2004

                            Report No.             : 042L121FI




The declaration results relate only to the samples calculated.
The declaration shall not be reproduced except in full without the written approval of QuieTek Corporation.
This report must not be used to claim product endorsement by NVLAP any agency of the U.S. Government


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                                                                                         Report No. 042L121FI


1.      RF Exposure Evaluation

1.1.    Limits

        According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the
        environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b)
        LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE)
        Frequency Range       Electric Field       Magnetic Field      Power Density        Average Time
                                                                                 2
        (MHz)                 Strength (V/m)       Strength (A/m)      (mW/cm )             (Minutes)
                                    (A) Limits for Occupational/ Control Exposures
              300-1500                   --                    --             F/300                  6
           1500-100,000                  --                    --                5                   6
                              (B) Limits for General Population/ Uncontrolled Exposures
              300-1500                   --                    --             F/1500                 6
           1500-100,000                  --                    --                1                   30
        F= Frequency in MHz


       Friis Formula
       Friis transmission formula: Pd = (Pout*G)/(4*pi*r2)


       Where
       Pd = power density in mW/cm2
       Pout = output power to antenna in mW
       G = gain of antenna in linear scale
       Pi = 3.1416
       R = distance between observation point and center of the radiator in cm


       Pd id the limit of MPE, 1 mW/cm2 . If we know the maximum gain of the antenna and the total power
       input to the antenna, through the calculation, we will know the distance r where the MPE limit is
       reached.



1.2.    Test Procedure

         Software provided by client enabled the EUT to transmit and receive data at lowest, middle and
         highest channel individually.
         The temperature and related humidity: 18℃and 78% RH.




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                                                                                     Report No. 042L121FI




1.3.        Test Result of RF Exposure Evaluation

            Product        :    Mini PCI Card
            Test Item      :    RF Exposure Evaluation
            Test Site      :    No.3 OATS


Antenna Gain
Antenna Gain: The maximum Gain measured in fully anechoic chamber in linear scale.


(802.11b FIC Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (1.56 dBi):
                                             Output Power to Antenna   Power Density at R = 2.5 cm
   Channel              Frequency (MHz)
                                                         (mW)                  (mW/cm2)
       1                    2412.00                  9.8628                      0.1799

       6                    2437.00                  9.0573                      0.1652

       11                   2462.00                  10.1625                     0.1853


(802.11g FIC Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (1.56 dBi):
                                             Output Power to Antenna   Power Density at R = 2.5 cm
   Channel              Frequency (MHz)
                                                         (mW)                  (mW/cm2)
       1                    2412.00                  21.3304                     0.3890

       6                    2437.00                  19.4536                     0.3547

       11                   2462.00                  21.8273                     0.3980


(802.11b M300N Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (-2.42 dBi):
                                             Output Power to Antenna   Power Density at R = 2.5 cm
   Channel              Frequency (MHz)
                                                         (mW)                  (mW/cm2)
       1                    2412.00                  9.8628                      0.0719

       6                    2437.00                  9.0573                      0.0661

       11                   2462.00                  10.1625                     0.0741




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                                                                               Report No. 042L121FI



(802.11g M300N Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (-2.42 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                                (mW)                       (mW/cm2)
      1              2412.00                   21.3304                      0.1556

      6              2437.00                   19.4536                      0.1419

     11              2462.00                   21.8273                      0.1592


(802.11b CLEVO 5600 Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (-0.45dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                                (mW)                       (mW/cm2)
      1              2412.00                   9.8628                       0.1132

      6              2437.00                   9.0573                       0.1040

     11              2462.00                   10.1625                      0.1167


(802.11g CLEVO 5600 Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (-0.45dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                                (mW)                       (mW/cm2)
      1              2412.00                   21.3304                      0.2449

      6              2437.00                   19.4536                      0.2233

     11              2462.00                   21.8273                      0.2506


(802.11b MS-1002 Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (2.99 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                                (mW)                       (mW/cm2)
      1              2412.00                   9.8628                       0.2500

      6              2437.00                   9.0573                       0.2296

     11              2462.00                   10.1625                      0.2576




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                                                                               Report No. 042L121FI



(802.11g MS-1002 Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (2.99 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                               (mW)                       (mW/cm2)
      1              2412.00                  21.3304                      0.5406

      6              2437.00                  19.4536                      0.4931

     11              2462.00                  21.8273                      0.5532


(802.11b 258KA0 Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (0.13 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                               (mW)                       (mW/cm2)
      1              2412.00                  9.8628                       0.1294

      6              2437.00                  9.0573                       0.1188

     11              2462.00                  10.1625                      0.1333


(802.11g 258KA0 Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (0.13 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                               (mW)                       (mW/cm2)
      1              2412.00                  21.3304                      0.2798

      6              2437.00                  19.4536                      0.2552

     11              2462.00                  21.8273                      0.2864


(802.11b ADA3P-713K601 Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (2 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                               (mW)                       (mW/cm2)
      1              2412.00                  9.8628                       0.1990

      6              2437.00                  9.0573                       0.1828

     11              2462.00                  10.1625                      0.2051




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                                                                               Report No. 042L121FI



(802.11g ADA3P-713K601 Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (2 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                               (mW)                       (mW/cm2)
      1              2412.00                  21.3304                      0.4304

      6              2437.00                  19.4536                      0.3926

     11              2462.00                  21.8273                      0.4405


(802.11b CLEVO 285P Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (0.47 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                               (mW)                       (mW/cm2)
      1              2412.00                  9.8628                       0.1399

      6              2437.00                  9.0573                       0.1285

     11              2462.00                  10.1625                      0.1442


(802.11g CLEVO 285P Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (0.47 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                               (mW)                       (mW/cm2)
      1              2412.00                  21.3304                      0.3026

      6              2437.00                  19.4536                      0.2760

     11              2462.00                  21.8273                      0.3097


(802.11b E12B Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (1.92 dBi):
                                      Output Power to Antenna    Power Density at R = 2.5 cm
   Channel       Frequency (MHz)
                                               (mW)                       (mW/cm2)
      1              2412.00                  9.8628                       0.1954

      6              2437.00                  9.0573                       0.1794

     11              2462.00                  10.1625                      0.2013




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                                                                                    Report No. 042L121FI



(802.11g E12B Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (1.92 dBi):
                                         Output Power to Antenna     Power Density at R = 2.5 cm
   Channel        Frequency (MHz)
                                                   (mW)                       (mW/cm2)
       1                  2412.00                 21.3304                       0.4226

       6                  2437.00                 19.4536                       0.3854

      11                  2462.00                 21.8273                       0.4324


(802.11b CLEVO 888E Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (3.12 dBi):
                                         Output Power to Antenna     Power Density at R = 2.5 cm
   Channel        Frequency (MHz)
                                                   (mW)                       (mW/cm2)
       1                  2412.00                 9.8628                        0.2576

       6                  2437.00                 9.0573                        0.2365

      11                  2462.00                 10.1625                       0.2654


(802.11g CLEVO 888E Antenna)
Output Power Into Antenna & RF Exposure Evaluation Distance (3.12 dBi):
                                         Output Power to Antenna     Power Density at R = 2.5 cm
   Channel        Frequency (MHz)
                                                   (mW)                       (mW/cm2)
       1                  2412.00                 21.3304                       0.5571

       6                  2437.00                 19.4536                       0.5081

      11                  2462.00                 21.8273                       0.5700




The distance r (4th column) calculated from the Fries transmission formula is far shorter than 2.5 cm
separation requirement.




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Document Created: 2004-03-02 01:17:49
Document Modified: 2004-03-02 01:17:49

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