RF Exposure Information (co location) - XKB-IMP4B2.pdf

FCC ID: XKB-IMP4B2

RF Exposure Info

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FCCID_2635071

LCIE Laboratoire de Moirans Z.I. Centr’Alp 170, Rue de Chatagnon 38430 MOIRANS-FRANCE FCCID: XKB-IMP4B2 RF Exposure Information Prediction of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 PG S= 4pR 2 where: S = power density P = power input to the antenna 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 When all the antennas are at least 20cm away from the user’s body (excluding hands and wrists during normal operation of the device), but individual antennas cannot be separated by more than 20cm from each other. If [ Pd(1) / LPd(1) ] + [ Pd(2) / LPd(2) ] + ….. + [ Pd(n) / LPd(n) ] < 1, Then, the device complies with FCC’s RF radiation exposure limit for general population as a portable device (d> 5mm). Where; th Pd(n) = Power density of n transmitter at 5mm th LPd(n) = Power density limit for the n transmitter § 1.1310 Radiofrequency radiation exposure limits.

LCIE Laboratoire de Moirans Z.I. Centr’Alp 170, Rue de Chatagnon 38430 MOIRANS-FRANCE Calculations: For 2.4GHz transmitter: S = 0.57mW/cm² at 5mm (Portable) for P=2.0mW and G= -0.5dBi Slimit = 1.0mW/cm² Calculation for worst case power output: Maximum peak output power at the antenna terminal: 3.00 (dBm) Maximum peak output power at the antenna terminal: 2.00 (mW) Antenna gain(typical): -0.5 (dBi) Maximum antenna gain: 0.89 (numeric) Prediction distance: 0.5 (cm) Prediction frequency: 2480 (MHz) MPE limit for uncontrolled exposure at prediction frequency: 1 (mW/cm^2) Power density at prediction frequency: 0.57 (mW/cm^2) For CLESS transmitter: S = 0.00032mW/cm² at 5mm (Portable) for P=0.001mW and G=0dBi Slimit = 0.97mW/cm² Maximum peak output power at the antenna terminal: -30.00 (dBm) Maximum peak output power at the antenna terminal: 0.001 (mW) Antenna gain(typical): 0 (dBi) Maximum antenna gain: 1 (numeric) Prediction distance: 0.5 (cm) Prediction frequency: 13.56 (MHz) MPE limit for uncontrolled exposure at prediction frequency: 0.97 (mW/cm^2) Power density at prediction frequency: 0.00032 (mW/cm^2) Calculation: (Pd(2.4GHz) / LPd(2.4GHz)) + (Pd(FM) / LPd(FM)) = 0.0141 mW/cm² <1 Conclusion: The device complies with FCC’s RF radiation exposure limit for general population as a portable device (d>0.5cm) under the collocation conditions described above.


Document Created: 2015-06-03 13:55:35
Document Modified: 2015-06-03 13:55:35
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