MPE Calculation

FCC ID: UZ7211486030B

RF Exposure Info

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FCCID_3458141

MPE CALCULATION FCC ID: UZ7211486030B / IC ID: 109AN-211486030B _____________________________________________________________________________________________________________________ RF Exposure Requirements: 47 CFR §1. 1307(b) RF Radiation Exposure Limits: 47 CFR §1. 1310 RF Radiation Exposure Guidelines: FCC OST/OET Bulletin Number 65 EUT Frequency Band: 2402MHz-2480MHz, 2412-2462 MHz, 5180-5825MHz Limits for General Population/Uncontrolled Exposure in the band of: 1500 - 100,000 MHz Power Density Limit: 1 mW / cm2 Equation: S = PG / 4πR2 or R = √PG / 4πS Where, S = Power Density P = Power Input to Antenna G = Antenna Gain R = distance to the center of radiated antenna ______________________________________________________________________________________________________________________ LMA UZ7211486030B Module PiFA antenna Prediction distance 20cm (Bluetooth LE): Power = 4.57e-7W, Antenna Gain = -0.55dBi,Apparent Gain = -0.55dBi, Power density =8.01e-8mW/cm2 (Bluetooth): Power=0.015, Antenna Gain = -0.55dBi,Apparent Gain = -0.55dBi, Power density =0.00263mW/cm2 (WLan 2.4GHz): Power = 0.257W, Antenna Gain = 2.25dBi,Apparent Gain = 2.25dBi, Power density =0.0858 mW/cm2 (WLan 5GHz): Power = 0.159W, Antenna Gain = 3.7dBi, Apparent Gain = 3.47 dBi, Power density = 0.0742 mW/cm2 Conducted Calculated CH Freq Antenna Apparent Measurement MPE Limit Power MPE Type (MHz) Gain (dBi) Gain (dBi) Distance (cm) (mW/cm2) Pass/Fail (W) (mW/cm2) Bluetooth 2480 4.57e-7 -0.55 -0.55 20 8.01e-8 1 Pass LE Bluetooth 2402 0.015 -0.55 -0.55 20 0.00263 1 Pass 2.4 GHz 2437 0.257 2.25 2.25 20 0.0858 1 Pass WLAN 5 GHz 5825 0.159 3.7 3.7 20 0.0742 1 Pass WLAN Bluetooth, 2.4GHz and 5GHz do not transmit simultaneously.

I28MD-RFIDM6EMTT Module Loop/Coil Prediction distance 20cm UHF RFID (902.75-927.25MHz): Power = 28.11dBm, Antenna gain= -36dBi, Power density=0.000032 mW/cm2 FMA ZBR7BTLE Module Loop/Coil Prediction distance 20cm (Bluetooth LE): Power = Conducted Measurement Calculated CH Freq Antenna Apparent MPE Limit Power Distance MPE Type (MHz) Gain (dBi) Gain (dBi) (mW/cm2) Pass/Fail (W) (cm) (mW/cm2) Bluetooth 2402 0.0081 2.8 2.8 20 0.00307 1 Pass LE If three modules transmit transmit simultaneously. Total MPE=8.01e-8+ 0.00263 + 0.0858+ 0.0742 + 0.000032 +0.00307 =0.165732 mW/cm2 The Above Result had shown that the Device complied with MPE requirement. Completed By: Rachana Khanduri SIEMIC, Inc 775 Montague Expressway, Milpitas, CA 95035 Phone: (408) 526-1188 Date: 06/23/2017


Document Created: 2017-06-30 16:08:21
Document Modified: 2017-06-30 16:08:21
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