MPE Report

FCC ID: SWX-ULTE

RF Exposure Info

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FCCID_4047246

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                   Maximum Permissible Exposure (MPE) Requirement

This document was prepared in by VPI Laboratories on behalf of the applicant using data collected during testing
and information provided by the applicant. The maximum power density requirements for the General Public
(Uncontrolled Environment) listed in FCC Part 1.1310 were used. The power density is calculated using the
following equation.

                                                                  𝑃𝑡 𝐺 ∗ -
                                                           𝑃𝑑 =
                                                                   4𝜋𝑟 2
                                       Pd = power density in watts
                                       Pt = transmit power in milliwatts
                                       G = numeric antenna gain
                                       r = distance between body and transmitter in centimeters
                                       ∗ 𝑃𝑡 𝐺 = EIRP


All operating supported by this device was considered in this MPE Exhibit. The calculated power density of the
EUT listed in this application is calculated below.

WiFi Radio:

                        Max Transmit Power ERP (mW):       5.89E+01     Max Antenna Gain (dBi):           1.5
                           Operating Frequency (MHz):        2412       (Numeric Antenna Gain):           1.41
                          Min Operating Distance (cm):       20                 Duty Cycle (%):            100
                                             Power Density (mW/cm2):                  1.65E-02
                                                      Limit (mW/cm2):                1.00E+00
                                                               Delta:                -9.83E-01



Assuming wholly constructive interaction (worst case):

                            Operating Frequency (MHz):       699        (Numeric Antenna Gain):          1.41
                            Min Operating Distance (cm):      20                Duty Cycle (%):          100
                                         WiFi Power Density (mW/cm2):                1.65E-02
                                         LTE Power Density (mW/cm2):                 1.99E-01
                                                      Limit (mW/cm2):                4.66E-01
                                                               Delta:                -2.50E-01




       Signed:                         Joseph W. Jackson              Reviewer



       MPE Calculation (FCC) r1                                                                    Page 1 of 1
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Document Created: 2018-10-22 15:29:20
Document Modified: 2018-10-22 15:29:20

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