Analysis Report

FCC ID: PQN44548TX2G4

RF Exposure Info

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FCCID_2604451

Analysis Report The Equipment Under Test (EUT) is a 2.4GHz Transceiver (Controller Unit) for a RC helicopter operating at 2412, 2442 and 2470MHz. The EUT is powered by 4 X 1.5V AA batteries. After switch on the EUT and paired with helicopter, the helicopter can be controlled to fly forward, backward, turning left/right direction and rolling by the controller. Also, the corresponding controller has a charging circuitry, the EUT can be charged by the controller. Antenna Type: Internal antenna Antenna Gain: 0dBi Nominal rated field strength: 94.6dBμV/m at 3m Maximum allowed field strength of production tolerance: +/- 3dB According to the KDB 447498: Based on the Maximum allowed field strength of production tolerance was 97.6dBμV/ m at 3m in frequency 2.4GHz, thus; The EIRP = [(FS*D) ^2*1000 / 30] = 1.726mW Conducted power = Radiated Power (EIRP) – Antenna Gain So; Conducted Power =1.726mW. The SAR Exclusion Threshold Level: = 3.0 * (min. test separation distance, mm) / sqrt(freq. in GHz) = 3.0 * 5 / sqrt (2.470) mW = 9.54 mW Since the above conducted output power is well below the SAR Exclusion threshold level, so the EUT is considered to comply with SAR requirement without testing.


Document Created: 2015-03-24 09:57:53
Document Modified: 2015-03-24 09:57:53
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