RQY31 Bluetooth Headset RF Exposure Info RF exposure report Dongguan Hele Electronics Co., Ltd.
Dongguan Hele Electronics Co., Ltd. Bluetooth Headset
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FCC ID Filing: RDRRQY31
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RF exposure evaluation §2.1093 Radiofrequency radiation exposure evaluation: Portable Devices. According to§15.247(i) and§1.1307b(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the commission’s guidance. The 1-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR, where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation When the minimum test separation distance is < 5 mm, a distance of 5 mm according is applied to determine SAR test exclusion. The result is rounded to one decimal place for comparison Max. Channel Frequency (GHz) Tune up Tune Power up (dBm) Power (dBm) Max. Tune up Power (mW) CH 00 2.402 1±1 1.58 CH 39 2.441 2±1 2.00 CH 78 2.480 2±1 2.00 Channel CH 39 Frequency Power (GHz) (dBm) 2.441 2.525 Max. Test Power distance (mW) (mm) 1.79 exclusion Result thresholds for 1-g SAR 0.56 Result: Base on the calculation value, No SAR measurement is required. 3.0
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