SAR Exculsion Letter

FCC ID: HFS-RK

RF Exposure Info

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FCCID_2763264

Compliance Certification Services Inc. Report No.: T150721L01-MF FCC ID: HFS-RK According to KDB 447498 section 4.3.1, the 1-g SAR test exclusion thresholds at test separation distance ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] *·[√f(GHz)] ≤ 3.0 The tune-up power for the subject keyboard is -8dBm +/- 1dB, therefore the highest tune-up power is -7.0 dBm (0.20 mW) @ 2440 MHz When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion. So the exclusion index for the subject keyboard is, ( 1mW / 5mm ) * ( 2.440GHz ^0.5 )= 0.3 [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] * [√f(GHz)] = 0.3 < 3.0 Therefore, the subject keyboard satisfies the SAR Test Exclusion Threshold condition and does not require the SAR measurements. Page 1 Rev.00 This report shall not be reproduced except in full, without the written approval of Compliance Certification Services.


Document Created: 2015-09-04 10:50:03
Document Modified: 2015-09-04 10:50:03
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