RF Exposure

FCC ID: P8M-GPS700

RF Exposure Info

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FCCID_4340329

Transmitters 1) Cellular TRP LTE FDD B2 (high band) @ MHz a) Max Output Power: 18.7 dBm or 74.13 mW b) Avg Duty Cycle: .5% (device duty cycle from above) c) Source based Time Avg Output Power: 74.13mW * .005 = .0.3707mW d) KDB 447498 D01 4.3.1a calculation for 10-g extremity condition: π‘€π‘Žπ‘₯ πΆβ„Žπ‘Žπ‘› π‘ƒπ‘€π‘Ÿ (π‘šπ‘Š) ∗ √πΆβ„Žπ‘Žπ‘› 𝑓(𝐺𝐻𝑧) ≤ 7.5 π‘™π‘–π‘šπ‘–π‘‘ π‘šπ‘–π‘› 𝑠𝑒𝑝 π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’ (π‘šπ‘š) 0.3707 π‘šπ‘Š ∗ √1.908𝐺𝐻𝑧 = 0.051 ≤ 7.5 (π‘“π‘œπ‘Ÿ 10 𝑔) 10 π‘šπ‘š 2) Cellular TRP LTE FDD B13 (low band) @ MHz a) Max Output Power: 18.6 dBm or 72.44 mW (from VZW TRP) b) Avg Duty Cycle: .5% (device duty cycle from above) c) Source based Time Avg Output Power: 72.44mW * .005 = .0.3622mW d) KDB 447498 D01 4.3.1a calculation for 10-g extremity condition: π‘€π‘Žπ‘₯ πΆβ„Žπ‘Žπ‘› π‘ƒπ‘€π‘Ÿ (π‘šπ‘Š) ∗ √πΆβ„Žπ‘Žπ‘› 𝑓(𝐺𝐻𝑧) ≤ 7.5 π‘™π‘–π‘šπ‘–π‘‘ π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’ (π‘šπ‘š) 0.3622 π‘šπ‘Š ∗ √0.778𝐺𝐻𝑧 = .1 ∗ 0.319 = 0.0319 ≤ 7.5 10 π‘šπ‘š 3) Cellular TRP WCDMA FDD B2 @ 1907.6 MHz a) Max Output Power: 19 dBm or 79.43mW b) Avg Duty Cycle: .5% (device duty cycle from above) c) Source based Time Avg Output Power: 79.43mW * .005 = .39715mW d) KDB 447498 D01 4.3.1a calculation for 10-g extremity condition: π‘€π‘Žπ‘₯ πΆβ„Žπ‘Žπ‘› π‘ƒπ‘€π‘Ÿ (π‘šπ‘Š) ∗ √πΆβ„Žπ‘Žπ‘› 𝑓(𝐺𝐻𝑧) ≤ 7.5 π‘™π‘–π‘šπ‘–π‘‘ π‘‘π‘–π‘ π‘‘π‘Žπ‘›π‘π‘’ (π‘šπ‘š) 0.3972 π‘šπ‘Š ∗ √1.907𝐺𝐻𝑧 = .1 ∗ 0.548 = 0.0548 ≤ 7.5 10 π‘šπ‘š

4) 900MHz FHSS RF @927MHz a) Max Output Power: 10.05 dBm or 10.00 mW (after rounding to 10.00 dBm) b) Avg Duty Cycle: (1.25ms TX Time)/(15.9ms Total Time) * 100% = 7.9% c) Source Based Time Avg Output Power: 10.00mW * 0.079 = 0.790mW d) KDB 447498 D01 4.3.1a calculation for 10-g extremity condition: Max Chan Pwr (mW) ∗ √Chan f(GHz) ≤ 7.5 limit distance (mm) 0.790 mW ∗ √. 927GHz = 0.0303 ∗ .962 = 0.0291 ≤ 7.5 26 mm Simultaneous transmission SAR test exclusion considerations Per KDB 447498 D01 4.3.2 “When the sum of 1-g or 10-g SAR of all simultaneously transmitting antennas in an operating mode and exposure condition combination is within the SAR limit, SAR test exclusion applies to that simultaneous transmission configuration.” 0.051 + .029 = 0.080 ≤ 7.5 π‘™π‘–π‘šπ‘–π‘‘(π‘“π‘œπ‘Ÿ 𝐿𝑇𝐸 π‘œπ‘›π‘™π‘¦ 𝑒𝑛𝑖𝑑)


Document Created: 2019-07-01 10:44:31
Document Modified: 2019-07-01 10:44:31
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