RF EXPOSURE

FCC ID: SK9AMI-3

RF Exposure Info

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FCCID_926834

Certification Exhibit FCC ID: SK9AMI-3 IC: 864G-AMI3 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Report Number: 08-0028 Manufacturer: Itron Electricity Metering, Inc. Model: C2SOD RF Exposure 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598

Model: C2SOD FCC ID: SK9AMI-3 IC ID: 864G-AMI3 General Information: Applicant: Itron Electricity Metering, Inc. ACS Project: 08-0028 FCC ID: SK9AMI-3 Device Category: Mobile Environment: General Population/Uncontrolled Exposure Simultaneous Transmission: Yes Technical Information 900 MHz Antenna Type: Embedded Quarter Wave Slot Antenna Gain: 0dBi Transmitter Radiated Power: 21.74dBm Maximum System EIRP: 21.74dBm Technical Information 2400 MHz Antenna Type: Embedded Quarter Wave Slot Antenna Gain: 0dBi Transmitter Radiated Power: 17.25dBm Maximum System EIRP: 17.25dBm MPE Calculation The Power Density (mW/cm2) is calculated as follows: 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) MPE Calculator for Mobile Equipment Limits for General Population/Uncontrolled Exposure* Transmit Radio Power Radio Antenna Antenna Distance Power Density Frequency Power Density Limit Power Gain Gain (mW (cm) (mW/cm^2) (MHz) (dBm) (mW/Cm2) (mW) (dBi) eq.) 902.25 21.74 0.60 149.28 0 1.000 20 0.030 2405 17.25 1.00 53.09 0 1.000 20 0.011 Summation of Power Densities – Simultaneous Transmissions This device contains multiple transmitters which can operate simultaneously and therefore the maximum RF exposure is determined by the summation of power densities. The 900 MHz LAN and 2.4GHz Zigbee radio can operate simultaneously there it is appropriate to include both of those power density values in the same summation of power densities. The maximum power density is calculated by a summation of power densities for each simultaneous transmission combination as follows: 900MHz LAN: 0.030 (mW/cm^2) 2.4GHz Zigbee: 0.011 (mW/cm^2) TOTAL: 0.041 (mW/cm^2) 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598

Model: C2SOD FCC ID: SK9AMI-3 IC ID: 864G-AMI3 Installation Guidelines The installation manual should contain text similar to the following advising how to install the equipment to maintain compliance with the FCC RF exposure requirements: RF Exposure In accordance with FCC requirements of human exposure to radio frequency fields, the radiating element shall be installed such that a minimum separation distance of 20 centimeters will be maintained. Conclusion This device complies with the MPE requirements by providing adequate separation between the device, any radiating structure and the general population. 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598


Document Created: 2008-04-09 17:21:37
Document Modified: 2008-04-09 17:21:37
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