RF exposure

FCC ID: 2ABYU-RBT003

RF Exposure Info

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FCCID_3822401

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.
Max.
Tune up Tune
Frequency Tune up
Channel Power up
(GHz) Power
(dBm) Power
(mW)
(dBm)
CH 00 2.402 5.5±1 6.5 4.47
CH 19 2.440 6.5±1 7.5 5.62
CH 39 2.480 5±1 6 3.98

exclusion
Max. Test
Frequency Power thresholds
Channel Power distance Result
(GHz) (dBm) for 1-g
(mW) (mm)
SAR
CH 19 2.440 7.15 5.19 5 1.62 3.0

Result:
Base on the calculation value, No SAR measurement is required.

Document Created: 2018-04-13 11:51:37
Document Modified: 2018-04-13 11:51:37

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