RF Exposure Info MPE

FCC ID: J9CTT210Q1WW

RF Exposure Info

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FCCID_1495641

TT210 RF Exposure Assessment (MPE) June 25, 2011 80-JC010-5 Rev A

TT210 RF Exposure Assessment (MPE) FCC ID: J9CTT210Q1WW QUALCOMM Incorporated 5775 Morehouse Drive San Diego, CA 92121-1714 U.S.A. Copyright © 2011 QUALCOMM Incorporated. All rights reserved. Printed in the United States of America. OmniTRACS®, Wireless Business Solutions®, and QUALCOMM® are registered trademarks and registered service marks of QUALCOMM Incorporated. Other brand, product, or service names listed in this document are the trademarks/service marks or registered trademarks/service marks of their respective holders. Export of this technology may be controlled by the U.S. Government. Diversion contrary to U.S. law prohibited. The information in this document is subject to change with subsequent software releases without notice. TT210 RF Exposure Assessment (MPE) 80-JC010-5 Rev A June 2011 80-JC010-5 Rev A 1 Error! Unknown document property name.

TT210 RF Exposure Assessment (MPE) Revision History Date Change Description Revision Editor(s) 06/24/2011 Initial Release A John Forrester 80-JC010-5 Rev A MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 2

TT210 RF Exposure Assessment (MPE) 1. Introduction This Maximum Permissive Exposure (“MPE”) report demonstrates compliance for the TT210 with FCC CFR 47 §1.1310 and 2.1091and RSS GEN for standalone and collocated simultaneous transmission in mobile exposure conditions. The MPE analysis is valid for transmitters operating within the parameters defined in Table 2 used for analysis. Any collocated Bluetooth transmitter must have a valid FCC ID documenting equivalent or degraded RF characteristics with the collocated parameters defined in this MPE analysis. The mobile classification applies when 20 cm or more separation distance is maintained between the end user and both Bluetooth and WLAN transmission antennas. The WWAN MPE calculations in the filing are based on measured radiated values extracted from the radiated emissions report for this filing. The Bluetooth transmit power calculations use a conservative 10dBm EIRP value. Portable user conditions or additional collocated modules not allowed based on this RF exposure analysis require a Class II permissive change and updated MPE or SAR report. 2. Product Declarations Table 1 Summarizes transmitter parameters associated with this application. FCC ID J9CTT210Q1WW IC: 2723A-TT210Q1WW Table 1 WWAN Transmitter Declarations Max Maximum EIRP Equipment Transmitter Available Transmitter Mode Category Duty Cycle Band Name in U.S. Range (MHz) (dBm) (W) GSM/ GPRS Cat 10 850 MHz - US Cellular Yes 824-849 33.2 2.09 GPRS/EDGE 25% (Max 2 UL TX Slots) 1900 MHz - US PCS Yes 1850-1910 32.4 1.73 80-JC010-5 Rev A MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 3

TT210 RF Exposure Assessment (MPE) 2.1 Collocated Transmitters This MPE analysis is applicable to any collocated Bluetooth transmitter with maximum transmit power less than or equal to 10 dBm. A 100% duty cycle is used for calculations to present a worst- case analysis. 3. Transmitter Summary Table 2 summarizes transmitter parameters associated with this application and a conservative Bluetooth transmitter to represent a worst case collocated environment. Table 2 WWAN and WLAN Declared Transmitter Parameters Maximum Maximum Frequency Technology EIRP EIRP Duty Cycle (MHz) (dBm) Power (W) GPRS 2 UL 824 33.2 2.09 0.25 GPRS 2 UL 1850 33.4 1.73 0.25 Bluetooth (Conservative Example) 2400 10 0.01 1.00 80-JC010-5 Rev A MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 4

TT210 RF Exposure Assessment (MPE) 4. RF Exposure Limits and Equations According to FCC CFR 47 §1.1310, the criteria listed in the following table shall be used to evaluate the environmental impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b). Table 3 Limits for Maximum Permissible Exposure (MPE) Friis transmission formula: Pout × G Pd = 4πR 2 Where, Pd = power density (mW/cm2) Pout = output power to antenna (mW) G = gain of antenna in linear scale R = distance between observation point and center of the radiator (cm) Table 4 shows duty cycles for typical technologies. Table 4 Technology Duty Cycles for MPE Calculations Technology Duty Cycle CDMA2000 100% WCDMA 100% GSM 12.5% GPRS Cat 10 (2 Uplink Transmit Slots) 25.0% 80-JC010-5 Rev A MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 5

TT210 RF Exposure Assessment (MPE) 5. MPE Calculations 5.1 Stand Alone Transmitter Calculations The power density calculations for standalone transmitters at an exposure separation distance of 20 cm are shown in Table 5 per the transmit power and antenna gain values declared in Table 2. For frequency dependent limits, the lowest transmitter frequency was used to represent the lowest MPE limit (e.g. 824MHz = 0.549 mW/cm2). The WLAN power levels listed represent the worst-case values for the corresponding frequency ranges given. Table 5 WWAN and Bluetooth Standalone MPE Calculations Power Average Density @ FCC MPE Frequency Maximum EIRP Maximum Average EIRP 20cm Limit Technology (MHz) (dBm) EIRP (W) Duty Cycle EIRP (dBm) (W) (mW/cm^2) (mW/cm^2) GPRS 2 UL 824 33.2 2.09 0.25 27.18 0.52 0.104 0.549 GPRS 2 UL 1850 32.4 1.73 0.25 26.36 0.43 0.086 1.000 Bluetooth 2400 10.00 0.010 1.00 10.00 0.01 0.002 1.000 5.2 Collocated MPE Calculations Per OET 65, when RF sources have difference frequencies, the fraction of the FCC power density limit shall be determined and the sum of all fractional components shall be less than 1. Table 6 WWAN 850 MHz Collocation Power Density (850 MHz (WLAN (WWAN WWAN Bluetooth FCC MPE Pd) / 850 MHz FCC MPE 850 MHz) fraction) + Pd Limit (MPE WWAN Pd Limit / MPE (Bluetooth Band (mW/cm^2) (mW/cm^2) Limit) (mW/cm^2) (mW/cm^2) Limit) fraction) Limit Pass/Fail 2.4 GHz 0.002 1.000 0.002 0.104 0.549 0.189 0.191 1 Pass Table 7 WWAN 1900 MHz Collocation Power Density (WWAN (1900 MHz (WLAN 1900 WWAN Bluetooth FCC MPE Pd) / 1900 MHz FCC MPE MHz) / fraction) + Pd Limit (MPE Pd Limit MPE (Bluetooth Band (mW/cm^2) (mW/cm^2) Limit) (mW/cm^2) (mW/cm^2) Limit) fraction) Limit Pass/Fail 2.4 GHz 0.002 1.000 0.002 0.086 1.000 0.086 0.088 1 Pass 80-JC010-5 Rev A MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 6


Document Created: 2011-06-25 22:50:44
Document Modified: 2011-06-25 22:50:44
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