MPE Calculation

FCC ID: PV7-WIBEAR11N-DF2

RF Exposure Info

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FCCID_3020020

WiBear11n-DF2 MPE calculation Model number: WiBear11n-DF2 FCC ID PV7-WIBEAR11N-DF2 IC: 7738A-WB11NDF2 According to FCC §15.247(b)(4) and §1.1307(b)(1), systems operation under the provisions of this 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. MPE Prediction 300 – 1,500 f/1500 1,500 – 100,000 1.0 Limits specified per RSS‐102, Issue 5. Frequency range (MHz) Power density (W/m²) Power density (mW/cm²) 300 – 6000 0.02619 f0.6834 mW/cm² = W/m² * 0.1 Equation for calculation Equation OET bulletin 65, page 18, edition 97‐01: Where: S – Power density P – Power input to antenna G – Antenna gain relative to isotropic radiator R – Distance to antenna

Intermediate results: G P S Antenna Output Output Power Antenna Frequency Gain Power Power IC Limit FCC Limit Density Operational Bands Gain (MHz) ‐numeric‐ ‐conducted‐ ‐conducted‐ (mW/cm²) (mW/cm²) value (dBi) (mW/cm²) (dBm) (mW) (mW/cm²) UNII Subband 1 (20 MHz) 5220 4.6 2.8840 14.90 30.90 0.9095 1.0000 0.0177 UNII Subband 1 (40 MHz) 5190 4.6 2.8840 14.20 26.30 0.9059 1.0000 0.0151 UNII Subband 2A (20 MHz) 5320 4.6 2.8840 15.00 31.62 0.9213 1.00 0.02 UNII Subband 2A (40 MHz) 5270 4.6 2.8840 14.90 30.90 0.9154 1.00 0.02 UNII Subband 2C (20 MHz) 5500 4.6 2.8840 13.80 23.99 0.9425 1.00 0.01 UNII Subband 2C (40 MHz) 5510 4.6 2.8840 13.50 22.39 0.9437 1.00 0.01 UNII Subband 3 (20 MHz) 5745 4.6 2.8840 13.30 21.38 0.9710 1.0000 0.0123 UNII Subband 3 (40 MHz) 5755 4.6 2.8840 12.20 16.60 0.9722 1.0000 0.0095 2402‐2480 MHz BT 2442 3 1.9953 8.77 7.53 0.5412 2.0000 0.0030 2412‐2462MHz WLAN 2442 3 1.9953 19.00 79.43 0.5412 3.0000 0.0315 Minimum Minimum Margin to Margin to IC Distance to Antenna (R) in cm: 20 Distance to Distance to FCC Limit Limit be ensured be ensured (mW/cm²) (mW/cm²) cm (FCC) cm (IC) 0.9823 0.8917 2.6631 2.7925 0.9849 0.8908 2.4569 2.5814 Best Regards 0.9819 0.9032 2.6940 2.8066 0.9823 0.8977 2.6631 2.7835 0.9862 0.9288 2.3464 2.4168 Patrick Lomax 0.9872 0.9309 2.2667 2.3333 5/30/2016 Ratingen, Germany 0.9877 0.9588 2.2151 2.2479 0.9905 0.9627 1.9516 1.9793 1.9970 0.5382 0.7734 1.4867 2.9685 0.5096 2.0504 4.8276


Document Created: 2016-06-03 15:48:29
Document Modified: 2016-06-03 15:48:29
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