RF Exposure Revised

FCC ID: ALH36033110

RF Exposure Info

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FCCID_374906

Rhein Tech Laboratories Client: Kenwood USA Corp. 360 Herndon Parkway Model: TK-8100-1 Suite 1400 Standards: FCC Part 90/IC RSS-119 Herndon, VA 20170 Report Number: 2003163 http://www.rheintech.com FCC ID: ALH36033110 APPENDIX D: RF EXPOSURE / MPE CALCULATION The EUT operates in an occupational/controlled exposure environment. The frequency range for the EUT is 450 – 490 MHz; 470 MHz is used for the MPE calculation below. Per 1.1310 Table 1, the maximum power density allowed for the EUT is f / 300 = 470 / 300 = 1.57 mW/cm2 The antenna is a half-wave dipole with gain of 2.15 dBi (1.64 numeric). The manufacturer’s rated power of the EUT is 25 +/- 1 W. The EUT as supplied had a measured conducted power of 25.8 W. The MPE distance is also calculated at 26 W to present the worst case MPE distance. The EUT has a maximum 50% duty cycle; this factor has been applied to the power in the following table. MPE is calculated per the following equation (solving for d): S = ( P × G ) /(4 × π × d 2 ) where: S = power density P = transmitter conducted power in (W) G = antenna numeric gain d = distance to radiation center (m) Minimum Minimum Antenna Conducted Separation Separation Power Notes Numeric Power Distance Distance Gain (W) (m) (cm) EUT as supplied 1.64 12.9 0.327 32.7 Manufacturer’s maximum power rating 1.64 13.0 0.329 32.9 38 of 48


Document Created: 2003-11-18 13:20:33
Document Modified: 2003-11-18 13:20:33
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