Analysis Report

FCC ID: BJ4-5985BLE

RF Exposure Info

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FCCID_2565109

Analysis Report Report No.: 15010067HKG-001 The Equipment Under Test (EUT) is a 2.4GHz BLE transceiver for LED light that operated at 2402MHz to 2480MHz (39 channels with 2MHz channel spacing. The EUT is powered by 120VAC. After pairing with smartphone, the EUT can be controlled by smartphone via Bluetooth. Antenna Type: Internal antenna Antenna Gain: 0dBi Nominal rated field strength: 96.9 dBμV/m at 3m Maximum allowed field strength of production tolerance: +/- 6dB According to the KDB 447498: Based on the Maximum allowed field strength of production tolerance was 102.9dBμV/m at 3m in frequency 2.4GHz, thus; The EIRP = [(FS*D) ^2*1000 / 30] = 5.850mW Conducted power = Radiated Power (EIRP) – Antenna Gain So; Conducted Power =5.850mW. The power density at 20cm = 5.850 *1.00/ 4πR2 = 0.00116 mWcm-2 In the frequency range of 1,500 - 100,000MHz, the MPE limit is 1.0 mWcm-2 for general population and uncontrolled exposure. As the measured power density at 20cm from the transmitter is lower than the MPE limit, the compliance to the MPE limit can be ensured by indicating the minimum 20cm separation between the transmitter's radiating structures and body of the user or nearby persons.


Document Created: 2015-03-24 16:41:45
Document Modified: 2015-03-24 16:41:45
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