72XXC Wireless Charger RF Exposure Info 18_72887-DR RFExp CJ Global .
CJ Global . Wireless Charger
Reference No.: WTS18S08120829-2W FCC ID: 2AND8-72XXC RF Exposure Report Test Requirement: Environmental evaluation and exposure limit according to FCC CFR 47 Part 1.1307(b), 1.1310 According KDB 680106 D01 RF Exposure Wireless Charging App v03 and FCC CFR 47 Part 2.1091(d)(4) Test Setup EMI Test Receiver These testing were performed at test configuration as above diagram. EUT was placed on a table, and the measure probe was placed at a measurement distance of 15cm from the EUT (Left, Right, Front, Rear, Bottom) to the center of the probe and 20cm from the EUT (Top) to the center of the probe. Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Reference No.: WTS18S08120829-2W The procedures / limit (A) Limits for Occupational / Controlled Exposure Magnetic Field Frequency Range Electric Field Strength (H) (MHz) Strength (E) (V/m) (A/m) Power Density (S) (mW/ cm2) Averaging Time |E|2,|H|2or S (minutes) 0.3-3.0 614 1.63 (100)* 3.0-30 1842 / f 4.89 / f (900 / f)* 30-300 61.4 0.163 1.0 300-1500 F/300 1500-100,000 (B) Limits for General Population / Uncontrolled Exposure Magnetic Field Frequency Range Electric Field Power Density (S) Strength (H) (MHz) Strength (E) (V/m) (mW/ cm2) (A/m) Averaging Time |E|2,|H|2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz; *Plane-wave equivalent power density RF Exposure Evaluations Separation Measured Distance(cm) Result(A/m) Left 15 Right Test Side Limit(A/m) Result 0.18 1.63 Compliance 15 0.20 1.63 Compliance Front 15 0.21 1.63 Compliance Rear 15 0.17 1.63 Compliance Top 20 0.23 1.63 Compliance Bottom 15 0.16 1.63 Compliance Limit (%) 50 Max Margin (%) 14.11 Reference No.: WTS18S08120829-2W EQUIPMENT APPROVAL CONSIDERATIONS (1) Power transfer frequency is less than 1 MHz Re: This device power transfer frequency range from 112~205 kHz is less than 1MHz. (2) Output power from each primary coil is less than or equal to 15 watts. Re: This device Maximum Output power is 5W less than 15W. (3) The transfer system includes only single primary and secondary coils. This includes charging systems that may have multiple primary coils and clients that are able to detect and allow coupling only between individual pairs of coils. Re: The transfer system includes only single primary and secondary coils. (4) Client device is placed directly in contact with the transmitter. Re: Client device is placed directly in contact with the transmitter. (5) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). Re: Mobile exposure conditions only. (6) The aggregate H-field strengths at 15 cm surrounding the device and 20 cm above the top surface from all simultaneous transmitting coils are demonstrated to be less than 50% of the MPE limit. Re: The aggregate H-field strengths at 15 cm surrounding the device and 20 cm above the top surface from all simultaneous transmitting coils are demonstrated to be less than 50% of the MPE limit. Reference No.: WTS18S08120829-2W Test Setup Photos Left Right Reference No.: WTS18S08120829-2W Front Rear Reference No.: WTS18S08120829-2W Top Bottom
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