RF Exposure Report

FCC ID: P27SZKFB01

RF Exposure Info

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FCCID_1858503

Compliance Certification Services Inc. Report No.: T121114D05-RP1 FCC ID: P27SZKFB01 Date of Issue: December 3, 2012 8. 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 ZigBee Key Fob WLAN: 2.412GHz ~ 2.462GHz Frequency band WLAN: 5.18GHz ~ 5.32GHz / 5.50GHz ~ 5.70GHz (Operating) WLAN: 5.745GHz ~ 5.825GHz Others 2405 MHz ~ 2480 MHz Portable (<20cm separation) Device category Mobile (>20cm separation) Others Occupational/Controlled exposure (S = 5mW/cm2) Exposure classification General Population/Uncontrolled exposure (S=1mW/cm2) Single antenna Multiple antennas Antenna diversity Tx diversity Rx diversity Tx/Rx diversity Max. output power 3.72dBm (0.0024W) Antenna gain (Max) 3.0 dBi (including cable loss) (Numeric gain: 2.0) MPE Evaluation Evaluation applied SAR Evaluation N/A Remark: 1. The maximum output power is 3.72dBm (0.0024W) at 2480MHz (with 2.0 numeric antenna gain.) 2. For mobile or fixed location transmitters, no SAR consideration applied. The maximum power density is 1.0 mW/cm2 even if the calculation indicates that the power density would be larger. TEST RESULTS No non-compliance noted. Page 41 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.: T121114D05-RP1 FCC ID: P27SZKFB01 Date of Issue: December 3, 2012 Calculation 30 × P × G E2 Given E= & S= d 3770 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= 3770d 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 3770 × (d / 100) 2 d2 Where d = Distance in cm P = Power in mW G = Numeric antenna gain S = Power density in mW / cm2 Maximum Permissible Exposure EUT output power = 2.4mW Numeric Antenna gain = 2.0 Substituting the MPE safe distance using d = 20 cm into Equation 1: Yields S = 0.000199 × P × G Where P = Power in mW G = Numeric antenna gain S = Power density in mW / cm2 Æ Power density = 0. 001 mW / cm2 (For mobile or fixed location transmitters, the maximum power density is 1.0 mW/cm2 even if the calculation indicates that the power density would be larger.) Page 42 Rev.00 This report shall not be reproduced except in full, without the written approval of Compliance Certification Services.


Document Created: 2012-12-10 10:59:52
Document Modified: 2012-12-10 10:59:52
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