RF Exposure report

FCC ID: NKR-SWA6

RF Exposure Info

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FCCID_1367266

             Maximum Permissible Exposure (MPE) Evaluation
1. Limits




2. Estimation of compliance boundary
For the final determination of the compliance boundary, the method for far-field calculation is used.
      PG
S=
     4πR 2
Where: S = power density (in appropriate units, e.g. mW/cm2)
P = power input to the antenna (in appropriate units, e.g., mW)
G = power gain of the antenna in the direction of interest relative to an isotropic radiator
R = distance to the center of radiation of the antenna (appropriate units, e.g., cm)
The information of the EUT:
Frequency range: 2412MHz to 2462MHz
Maximum Power input to antenna: 2412MHz, 24.41dBm (276mW)
Max Antenna gain: 2 dBi (1.58)

The overall exposure at 20 cm from the EUT:
     276 × 1.58
S=         2
                = 0.087 mW / cm 2
     4 × 20 × π

The S at the position which is 20cm far from the EUT is smaller than the uncontrolled exposure limit
line. So the EUT also complies with the limits for occupational/controlled exposure.



Document Created: 2010-08-18 14:10:03
Document Modified: 2010-08-18 14:10:03

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