RF Exposure Report

FCC ID: 2AGBW9290019684X

RF Exposure Info

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FCCID_4055223

US Tech Test Report: FCC Part 15 Certification/ RSS 247 FCC ID: 2AGBW9290019684X IC: 20812-9684X Test Report Number: 7088818001170-00 Issue Date: October 26, 2018 Model: 9290019684 Maximum Public Exposure to RF (MPE) CFR 15.247 (i), CFR 1.1310 (e) & RSS- 102, 2.5.2 The maximum exposure level to the public from the RF power of the EUT shall not exceed a power density, S, of 1 mW/cm2 at a distance, d, of 20 cm from the EUT. Therefore, for: Maximum Peak Power (dBm) = 9.26 dBm at Zigbee 2405MHz Peak Power (Watts) = 0.0084 W Maximum Gain of Transmit Antenna = 1.77 dBi =1.5, numeric d = Distance = 20 cm = 0.2 m S = (PG/ 4 πd2) = EIRP/4A = 0.0084*(1.5)/4*π*0.2*0.2 = 0.0127/0.5030 = 0.02520 W/m2 = (0.02520 W/m2) (1m2/W) / (0.1 mW/cm2) = 0.252 mW/cm2 which is << less than 1.0 mW/cm2 RSS-102, 2.5.2 Compliance for 2405 MHz ~ 2480 MHz band: At or above 300 MHz and below 6 GHz and the source based time averaged maximum e.i.r.p. of the device is equal to or less than 1.31 x 10-2 f0.6834 in Watts (adjusted for tune-up tolerance where applicable), where f = frequency in MHz. 1.31 * 10-2 * 24050.6834 = 2.68 W EUT max EIRP = 9.26 dBm + 1.77 dBi = 11.03 dBm EIRP = 0.0127 W Which is << than 2.68 W The MPE limits are below the threshold as stated in KDB447498 D01 V06 in Section 4.3. The calculations above are presented to show that the EUT meets the exclusion requirements. Page 1 of 1


Document Created: 2018-10-29 08:02:00
Document Modified: 2018-10-29 08:02:00
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