FCC MPE Report

FCC ID: O5541SKN1

RF Exposure Info

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FCCID_4418882

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: O5541SKN1 Report No.:LCS190614011AEA Maximum Permissible Exposure Report Product Information FCC ID: O5541SKN1 Product name Smart Door Bell Model number SMART RING Input: 3.6V/10.8Wh Power supply Output:5V/1A IEEE 802.11b: DSSS(CCK,DQPSK,DBPSK) Modulation Type IEEE 802.11g: OFDM(64QAM, 16QAM, QPSK, BPSK) IEEE 802.11n HT20: OFDM (64QAM, 16QAM, QPSK,BPSK) Antenna Type Internal Antenna Antenna Gain 2.0dBi (Max.) Hardware version V 1.0 Software version V 1.0 IEEE 802.11b:2412-2462MHz WLAN FCC Operation frequency IEEE 802.11g:2412-2462MHz IEEE 802.11n HT20:2412-2462MHz Extreme temp. Tolerance -20°C to +55°C Exposure category General population/uncontrolled environment EUT Type Production Unit Device Type Stationary Device 2. Evaluation Method Systems operating under the provisions of FCC 47 CFR 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 guidelines. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as mobile device whereby a distance of 0.2m normally can be maintained between the user and the device, and below RF Permissible Exposure limit shall comply with. In accordance with KDB447498D01 for Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modelled or measured field strengths or power density, is ≤ 1.0. The MPE ratio of each antenna is determined at the minimum test separation distance required by the operating configurations and exposure conditions of the host device, according to the ratio of field strengths or power density to MPE limit, at the test frequency. Either the maximum peak or spatially averaged results from measurements or numerical simulations may be used to determine the MPE ratios. Spatial averaging does not apply when MPE is estimated using simple calculations based on far-field plane-wave equivalent conditions. The antenna installation and operating requirements for the host device must meet the minimum test separation distances required by all antennas, in both standalone and simultaneous transmission operations, to satisfy compliance. 3. Limit 3. 1 Refer evaluation method ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB publication 447498 D01 General 1 RF Exposure Guidance v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 3


Document Created: 2019-08-29 12:27:59
Document Modified: 2019-08-29 12:27:59
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