TAP-EX SAR MPE Report

FCC ID: ZTT-TAPEX

RF Exposure Info

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FCCID_2457248

Compliance Certification Services Inc. Reference No.: T140916J02-MF Report No.: T141031J02-MF-1 Date of Issue: November 13, 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 High Power Touch Screen Wi-Fi Range Extender Model TAP-EX RF Module Realtek Model: RTL8192ER 802.11b/g/n HT20: 2.412GHz ~ 2.462GHz Frequency band 802.11n HT40: 2.422GHz ~ 2.452GHz (Operating) 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 2.4GHz: Antenna Gain : 2.50 dBi (Numeric gain:1.78) Specification IEEE 802.11b Mode: 25.49 dBm (353.997 mW) Maximum Average IEEE 802.11g Mode: 18.32 dBm (67.920 mW) output power IEEE 802.11n HT 20 Mode: 20.37 dBm (108.893 mW) IEEE 802.11n HT 40 Mode: 19.90 dBm (97.724 mW) IEEE 802.11b Mode: 27.00 dBm (501.187 mW) Maximum IEEE 802.11g Mode: 19.00 dBm (79.433 mW) Tune up Power IEEE 802.11n HT 20 Mode: 21.00 dBm (125.893 mW) IEEE 802.11n HT 40 Mode: 21.00 dBm (125.893 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. Reference No.: T140916J02-MF Report No.: T141031J02-MF-1 Date of Issue: November 13, 2014 Revision History Rev. Issue Date Revisions Effect Page Revised By 00 2014/11/13 Initial Issue ALL Becca Chen 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. Reference No.: T140916J02-MF Report No.: T141031J02-MF-1 Date of Issue: November 13, 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. Reference No.: T140916J02-MF Report No.: T141031J02-MF-1 Date of Issue: November 13, 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 / cm 2 Limit (mW/cm2) 1 2412 501.187 2.5 20 0.2493 1 IEEE 802.11g mode: Ch. Frq.(MHz) P (mW) Gain (num.) D (cm) Power density in mW / cm 2 Limit (mW/cm2) 1 2412 79.433 2.5 20 0.0395 1 IEEE 802.11n HT20 mode: Ch. Frq.(MHz) P (mW) Gain (num.) D (cm) Power density in mW / cm 2 Limit (mW/cm2) 1 2412 125.893 2.5 20 0.0626 1 IEEE 802.11n HT40 mode: Ch. Frq.(MHz) P (mW) Gain (num.) D (cm) Power density in mW / cm 2 Limit (mW/cm2) 3 2422 125.893 2.5 20 0.0626 1 Page 4 Rev.00 This report shall not be reproduced except in full, without the written approval of Compliance Certification Services.


Document Created: 2014-11-13 10:29:40
Document Modified: 2014-11-13 10:29:40
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