MPE Calculation

FCC ID: HBW7545

RF Exposure Info

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FCCID_1627636

MPE Calculation
Applicant : Chamberlain Group
Type of Equipment : Frequency Hopper
Model No. : LA500
FCC ID : HBW7545

RF Exposure Calculations:
FCC 2.1091

The following information provides the minimum separation distance for the highest gain antenna provided with the as
calculated from FCC OET Bulletin 65 Appendix A, T able (B) Limits for General Population / Uncontrolled Exposure. This
calculation is based on the highest EIRP possible from the system, considering maximum power and antenna gain, and
considering a 0.6mW/cm^2 uncontrolled exposure limit. The Friis formula used was:

S = (P * G ) / (4* π * r2)
Where
P = 11.64 mW (Maximum peak output power)
G = 1.12 Numerical Antenna gain; equal 0.5dBi
r = 20.0 cm
For: HBW7545 S= 0.052 mW/cm2



Document Created: 2012-01-17 14:29:31
Document Modified: 2012-01-17 14:29:31

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