RF Exposure

FCC ID: V5PIM30BW

RF Exposure Info

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FCCID_4434501

Shenzhen Zhongjian Nanfang Testing Co., Ltd. Prediction of MPE at a given distance 1. Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Frequency range Electric field strength Magnetic field strength Power density Averaging time 2 (MHz) (V/m) (A/m) (mW/cm ) (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f2) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f2) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 2. Test Procedure Equation from page 18 of OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to the antenna G = numeric gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the centre of radiation of the antenna

Shenzhen Zhongjian Nanfang Testing Co., Ltd. 3. Result Limits for Maximum Maximum General Antenna Antenna Frequency Output Output Distance Result Population/ Gain Gain 2 (MHz) power power (cm) (mW/cm ) Uncontrolled (dBi) (numeric) (dBm) (mW) Exposure (mW/cm2) BLE 2442 3.45 2.21 1.5 1.41 20.00 0.0006 1.0 BT 2441 6.09 4.06 1.5 1.41 20.00 0.0011 1.0 2.4G Wi-Fi 2462 16.95 49.55 1.5 1.41 20.00 0.0139 1.0 5.2G Wi-Fi 5210 17.43 55.34 1 1.26 20.00 0.0139 1.0 5.3G Wi-Fi 5290 17.65 58.21 1 1.26 20.00 0.0146 1.0 5.6G Wi-Fi 5500 16.91 49.09 1 1.26 20.00 0.0123 1.0 5.8G Wi-Fi 5745 12.00 15.85 1 1.26 20.00 0.0400 1.0 Note: Just the worst case mode was shown in report. 4. Conclusion The device is exempt from the RF exposure evaluation.


Document Created: 2019-08-26 08:52:03
Document Modified: 2019-08-26 08:52:03
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