WN4611L Test Report for MPE

FCC ID: PPQ-WN461XL

RF Exposure Info

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FCCID_2351739

Compliance Certification Services Inc. Report No.: T140714W02-MF Date of Issue: July 30, 2014 APPENDIX I RADIO FREQUENCY EXPOSURE LIMIT According to §15.247(i), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy levels in excess of the Commission's guidelines. See § 1.1307(b)(1) of this chapter. EUT Specification EUT 802.11n, 2T2R Single Band Wireless LAN USB Module Model WN4611L, WN4613L Model Discrepancy All the model number is USB connector are different 802.11b/g/n HT20: 2.412GHz ~ 2.462GHz 802.11n HT40: 2.422GHz ~ 2.452GHz 802.11a: 5150 ~ 5250MHz / 5725 ~ 5850MHz Frequency band 802.11 HT20: 5150 ~ 5250MHz / 5725 ~ 5850MHz (Operating) 802.11 HT40: 5150 ~ 5250MHz / 5725 ~ 5850MHz 802.11AC HT80: 5170 ~ 5330 MHZ / 5490 ~ 5815 MHZ Others Portable (<20cm separation) Device category Mobile (>20cm separation) Others Occupational/Controlled exposure (S = 5mW/cm2) Exposure General Population/Uncontrolled exposure classification (S=1mW/cm2) Antenna Antenna Gain : 2.87 dBi (Numeric gain:1.94) Specification IEEE 802.11b Mode: 22.51 dBm (178.238 mW) Maximum Average IEEE 802.11g Mode: 20.46 dBm (111.173 mW) output power IEEE 802.11n HT 20 Mode:21.38 dBm (137.404 mW) IEEE 802.11n HT 40 Mode:19.94 dBm (98.628 mW) IEEE 802.11b Mode: 24.50 dBm (281.838 mW) Maximum IEEE 802.11g Mode: 22.00 dBm (158.489 mW) Tune up Power IEEE 802.11n HT 20 Mode:23.00 dBm (199.526 mW) IEEE 802.11n HT 40 Mode:21.50 dBm (141.254 mW) MPE Evaluation* Evaluation applied SAR Evaluation N/A Page 1 Rev.00 This report shall not be reproduced except in full, without the written approval of Compliance Certification Services.

Compliance Certification Services Inc. Report No.: T140714W02-MF Date of Issue: July 30, 2014 Revision History Rev. Issue Date Revisions Effect Page Revised By 00 2014/07/30 Initial Issue ALL Angel Cheng Page 2 Rev.00 This report shall not be reproduced except in full, without the written approval of Compliance Certification Services.

Compliance Certification Services Inc. Report No.: T140714W02-MF Date of Issue: July 30, 2014 TEST RESULTS No non-compliance noted. Calculation 30  P  G E2 Given E & S d 377 Where E = Field strength in Volts / meter P = Power in Watts G = Numeric antenna gain d = Distance in meters S = Power density in milliwatts / square centimeter Combining equations and re-arranging the terms to express the distance as a function of the remaining variables yields: 30  P  G S 377d 2 Changing to units of mW and cm, using: P (mW) = P (W) / 1000 and d (cm) = d(m) / 100 Yields 30  P / 1000  G PG S  0.0796  Equation 1 377  d / 100 2 d2 Where d = Distance in cm P = Power in mW G = Numeric antenna gain S = Power density in mW / cm2 Page 3 Rev.00 This report shall not be reproduced except in full, without the written approval of Compliance Certification Services.

Compliance Certification Services Inc. Report No.: T140714W02-MF Date of Issue: July 30, 2014 Maximum Permissible Exposure Substituting the MPE safe distance using d = 20 cm into Equation 1: S  0.000199 P  G Where P = Power in mW G = Numeric antenna gain S = Power density in mW / cm2 IEEE 802.11b mode: Ch. Frq.(MHz) P (mW) Gain (num.) D (cm) Power density in mW / cm2 Limit (mW/cm2) 6 2437 281.838 1.94 20 0.1088 1 IEEE 802.11g mode: Ch. Frq.(MHz) P (mW) Gain (num.) D (cm) Power density in mW / cm2 Limit (mW/cm2) 6 2437 158.489 1.94 20 0.0612 1 IEEE 802.11n HT20 mode: Ch. Frq.(MHz) P (mW) Gain (num.) D (cm) Power density in mW / cm2 Limit (mW/cm2) 6 2437 199.526 1.94 20 0.0770 1 IEEE 802.11n HT40 mode: Ch. Frq.(MHz) P (mW) Gain (num.) D (cm) Power density in mW / cm2 Limit (mW/cm2) 6 2437 141.254 1.94 20 0.0545 1 Page 4 Rev.00 This report shall not be reproduced except in full, without the written approval of Compliance Certification Services.


Document Created: 2014-08-06 11:20:47
Document Modified: 2014-08-06 11:20:47
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