MPE report

FCC ID: 2AQUQGE50020

RF Exposure Info

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FCCID_4416513

FCC ID: 2AQUQGE50020

                                 RF Exposure Evaluation
Limit
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 1.1310 & 2.1091
Table 1-Limits for Maximum Permissible Exposure (MPE)
   Frequency            Electric field
                                           Magnetic field strength   Power density     Averaging time
      range               strength                                                2
                                                   (A/m)               (mW/cm )          (minutes)
      (MHz)                 (V/m)
                             (A) Limits for Occupational/Controlled Exposures
     0.3–3.0                  614                   1.63                 *(100)              6
                                                                                2
     3.0–30                1842/f                  4.89/f               *(900/f )            6
     30–300                  61.4                  0.163                    1.0              6
   300–1500                    -                      -                   f/300              6
 1500–100,000                  -                      -                      5               6
                        (B) Limits for General Population/Uncontrolled Exposure
    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
   300–1500                    -                      -                  f/1500             30
 1500–100,000                  -                      -                     1.0             30
Note: f = frequency in MHz


Evaluation Method
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

Conducted Power Results
WIFI
                                                                   Conducted Peak Output Power
     Mode             Channel            Frequency (MHz)
                                                                              (dBm)
                          1                     2412                             17.59
    802.11b               6                     2437                             17.33
                         11                     2462                              17.6
                          1                     2412                             17.21
    802.11b               6                     2437                             17.02
                         11                     2462                              17.2
                          1                     2412                             17.11
802.11n(HT20)             6                     2437                             17.04
                         11                     2462                             16.99


FCC ID: 2AQUQGE50020

Manufacturing tolerance
WIFI
                                                    802.11b
      Channel                    Channel 1                     Channel 6               Channel 11
   Target (dBm)                      17                              17                      17
  Tolerance ±(dB)                     1                              1                       1
                                                    802.11g
      Channel                    Channel 1                     Channel 6               Channel 11
   Target (dBm)                      17                              17                      17
  Tolerance ±(dB)                     1                              1                       1
                                                 802.11n20
      Channel                    Channel 1                     Channel 6               Channel 11
   Target (dBm)                      17                              17                      17
  Tolerance ±(dB)                     1                              1                       1

Evaluation Results
WIFI
              Antenna                EIRP                Gain of       Power
                                                                                    Limit
 Band/Mode Distance                                    antenna in     Density                     Result
                              dBm           mW                                    (mW/cm2)
               (cm)                                   linear scale   (mW/cm2)
  802.11b           20          21         125.89          3              0.025     1.0           Pass
  802.11g           20          21         125.89          3              0.025     1.0           Pass
 802.11n20          20          21         125.89          3              0.025     1.0           Pass


Remark:
1. Output power including tune up tolerance;
2. The maximum antenna gain is 3dBi
3. The exposure safety distance is 20cm.
4. EIRP = Conducted Peak Output Power + Antenna Gain + Tolerance

Conclusion
The measurement results comply with the FCC Limit per 47 CFR 1.1310 & 2.1091 for the
uncontrolled RF Exposure and MPE compliance per KDB 447498 v06.



Document Created: 2019-08-15 20:49:20
Document Modified: 2019-08-15 20:49:20

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