RF Exposure

FCC ID: 2AFWN-ELS10AF

RF Exposure Info

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FCCID_3724172

CTK Co., Ltd. (Ho-dong), 113, Yejik-ro, Cheoin-gu, Yongin-si, Gyeonggi-do, Korea Tel: +82-31-339-9970 Fax: +82-31-624-9501 www.e-ctk.com RF EXPOSURE EVALUATION Company SOLUM CO.,LTD. 4,5,6th F, 357, Guseong-ro, Giheung-gu, Gyeonggi-do, Yongin-si, Contact Point Republic of Korea FCC ID 2AFWN-ELS10AF Product Description ESL Basic Model name ELS10AFWM0/NUS Variant Model name - Operating Frequency 2 405 MHz - 2 480 MHz RF Output Power -0.629 dBm (0.9 mW) Antenna type : PCB Pattern Antenna Specification Average Gain : -1.8 dBi Number of channels 16 Channel Spacing 5 MHz Type of Modulation OQPSK Power Source DC 3 V(CR2032 Lithium Battery) Firmware Version Id Number(FVIN) - RF Power setting in Test SW Initial value Page 1 of 3

CTHK Co., Ltd. K (Ho—dong), 113, Yejik—ro, Cheoin—gu, Yongin—si, Gyeonggi—do, Korea Tel: +82—31—339—9970 Fax: +82—31—624—9501 CTKCo.,Ltd. www.e—ctk.com ** RF Exposure Evaluation** Limits SAR Test Exclusion Thresholds for 100 MHz — 6 GHz and < 50 mm Approximate SAR Test Exclusion Power Thresholds at Selected Frequencies and Test Separation Distances are illustrated in the following Table, The equation and threshold in Note 1 must be applied to determine SAR test exclusion. MHz § 10 15 20 25 mm 150 39 77 116 155 194 300 27 55 82 110 137 450 22 45 67 89 112 835 16 33 49 66 82 900 16 32 47 63 79 1500 12 24 37 49 61 2‘:}\;‘3‘1 1900 11 22 33 44 54 Threshold (mW) 2450 10 19 29 38 48 3600 8 16 24 32 40 5200 7 13 20 26 33 5400 6 13 19 26 32 5800 6 12 19 25 31 MHz 30 35 40 45 50 mm 150 232 271 310 349 387 300 164 192 219 246 274 450 134 157 179 201 224 835 98 115 131 148 164 900 95 111 126 142 158 1500 73 S6 EB 110 122 Sn les Exclusion 1900 65 16 87 98 109 Threshold (mW) 2450 57 67 77 86 96 3600 47 55 63 71 79 5200 39 46 53 59 66 5400 39 45 52 58 65 5800 37 44 50 56 62 Note 1: The 1—g and 10—g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances < 50 mm are determined by : Page 2 of 3

CTHK Co., Ltd. K (Ho—dong), 113, Yejik—ro, Cheoin—gu, Yongin—si, Gyeonggi—do, Korea Tel: +82—31—339—9970 Fax: +82—31—624—9501 www.e—ctk.com PIKRoMd: [{max. power of channel, including tune—up tolerance, mW)/(min. test separation distance, mm)]* [~/f(GHz)] < 3.0 for 1—g SAR and < 7.5 for 10—g extremity 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 — The result is rounded to one decimal place for comparison — 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is < 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1f) is applied to determine SAR test exclusion. Output Power: Mode Frequency Maximum output power to SAR Test Exclusion Threshold (MHz) antenna (mW) (mW) Zigbee 2 405 0.9 10 Per FCC KDB 447498 DO1v06, the SAR exclusion threshold for distances <50mm is defined by the following equation : [{max. power of channel, including tune—up tolerance, mW)/(min. test separation distance, mm)]* [~f(GHz)] < 3.0 Base on the maximum conducted power of the antenna to use separation distance, SAR was not required; [(0.9 / 5) * y2.405] = 0.28 (< 3.0) Result : As a result of the calculation above, the SAR test is exempt. Page 3 of 3


Document Created: 2018-01-23 11:34:50
Document Modified: 2018-01-23 11:34:50
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