RF Exposure

FCC ID: UIDTG1672

RF Exposure Info

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FCCID_2020711

Test Number: 220-13R1 Issue Date: 7/18/2013 7. Measurement Data (continued) 7.11. Public Exposure to Radio Frequency Energy Levels (15.247(i) (1.1307 (b)(1)) RSS-GEN 5.5, RSS 102 Requirement: (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. Devices are subject to the radio frequency radiation exposure requirements specified in 47CFR 1.1307(b), FCC 47 CFR 2.1091 and 47 CFR 2.1093, as appropriate. All equipment shall be considered to operate in a ‘‘general population/uncontrolled’’ environment. Conclusion: The device under test is meets radio frequency radiation exposure requirements specified in 47CFR 1.1307(b), § 2.1091 and § 2.1093. Measurement Results – 2.4 GHz DUT DUT 802.11b MPE Power Density Output Antenna Limit Mode Distance Power Gain (mW/cm2) Result Channel (cm) (dBm) (dBi) (mW/cm2) (W/m2) Frequency (1) (2) (3) (4) (5) 2412 20.0 22.16 3.0 0.0652386 0.6523856 1 Compliant 2437 20.0 22.02 3.0 0.0632658 0.6326585 1 Compliant 2462 20.0 21.59 3.0 0.0572370 0.5723697 1 Compliant DUT DUT 802.11g MPE Power Density Output Antenna Limit Mode Distance Power Gain (mW/cm2) Result Channel (cm) (dBm) (dBi) (mW/cm2) (W/m2) Frequency (1) (2) (3) (4) (5) 2412 20.0 18.66 3.0 0.0291805 0.2918054 1 Compliant 2437 20.0 18.70 3.0 0.0294240 0.2942398 1 Compliant 2462 20.0 18.29 3.0 0.0268034 0.2680342 1 Compliant DUT DUT HT20 MPE Power Density Output Antenna Limit Mode Distance Power Gain (mW/cm2) Result Channel (cm) (dBm) (dBi) (mW/cm2) (W/m2) Frequency (1) (2) (3) (4) (5) 2412 20.0 18.90 3.0 0.0308039 0.3080388 1 Compliant 2437 20.0 18.52 3.0 0.0282287 0.2822870 1 Compliant 2462 20.0 18.11 3.0 0.0256978 0.2569778 1 Compliant DUT DUT HT40 MPE Power Density Output Antenna Limit Mode Distance Power Gain (mW/cm2) Result Channel (cm) (dBm) (dBi) (mW/cm2) (W/m2) Frequency (1) (2) (3) (4) (5) 2422 20.0 17.85 3.0 0.0241969 0.2419689 1 Compliant 2437 20.0 18.12 3.0 0.0257338 0.2573382 1 Compliant 2452 20.0 17.79 3.0 0.0238382 0.2383816 1 Compliant Page 314 of 325 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com

Test Number: 220-13R1 Issue Date: 7/18/2013 7. Measurement Data (continued) 7.11. Public Exposure to Radio Frequency Energy Levels (15.247(i) (1.1307 (b)(1)) RSS-GEN 5.5, RSS 102 Measurement Results – 5 GHz DUT DUT 802.11a MPE Power Density Output Antenna Limit Mode Distance Power Gain (mW/cm2) Result Channel (cm) (dBm) (dBi) (mW/cm2) (W/m2) Frequency (1) (2) (3) (4) (5) 5745 20.0 19.68 3.0 0.0368992 0.3689924 1 Compliant 5785 20.0 19.42 3.0 0.0347669 0.3476687 1 Compliant 5825 20.0 18.76 3.0 0.0298394 0.2983936 1 Compliant DUT DUT MPE Power Density HT20 Mode Distance Output Antenna Limit Channel Power Gain (mW/cm2) Result (cm) Frequency (dBm) (dBi) (mW/cm2) (W/m2) (1) (2) (3) (4) (5) 5745 20.0 19.76 3.0 0.0375661 0.3756609 1 Compliant 5785 20.0 19.44 3.0 0.0349130 0.3491304 1 Compliant 5825 20.0 18.95 3.0 0.0311949 0.3119487 1 Compliant DUT DUT MPE Power Density HT40 Mode Distance Output Antenna Limit Channel Power Gain (mW/cm2) Result (cm) Frequency (dBm) (dBi) (mW/cm2) (W/m2) (1) (2) (3) (4) (5) 5745 20.0 19.55 3.0 0.0358165 0.3581655 1 Compliant 5785 20.0 19.36 3.0 0.0342696 0.3426959 1 Compliant OP + AG PD = (4 x π x d²) PD = Power Density OP = DUT Output Power (dBm) AG = Antenna Gain (dBi) D = MPE Distance 1. Reference CFR 2.1093(b): For purposes of this section, a portable device is defined as a transmitting device designed to be used so that the radiating structure(s) of the device is/are within 20 centimeters of the body of the installer. All other mobile and unlicensed transmitting devices are categorically excluded from routine environmental evaluation for RF exposure prior to equipment authorization or use, except as specified in §§ 1.1307(c) and 1.1307(d) of this chapter. 2. Section 7.4 of this test report. 3. Data supplied by the client. 4. Power density is calculated from field strength measurement and antenna gain. 5. Reference CFR 1.1310, Table 1: Limits for Maximum Permissible Exposure (MPE), Section (B): Limits for General Population/Uncontrolled Exposure. Page 315 of 325 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com

Test Number: 220-13R1 Issue Date: 7/18/2013 7. Measurement Data (continued) 7.11. Public Exposure to Radio Frequency Energy Levels (15.247(i), (1.1307 (b)(1)) RSS-GEN 5.5, RSS 102 (cont.) Simultaneous Transmission of 2.4 GHz and 5.8 GHz WiFi Radios. The highest levels for each of the modes of operation are summed in the following table. DUT DUT MPE Power Density Worse Case Mode of Output Antenna Limit Distance Operation Power Gain (mW/cm2) Result (cm) (dBm) (dBi) (mW/cm2) (W/m2) Mode MHz (1) (2) (3) (4) (5) 802.11b 2412 20.0 22.16 3.0 0.0652386 0.6523856 1 Compliant 802.11a HT20 5745 20.0 19.76 3.0 0.0375661 0.3756609 1 Compliant SUM 20.0 N/A N/A 0.1028047 1.0280465 1 Compliant Using Directional Gain = Gant + 10 * Log10 (Nant / Nss) dBi where Nant is the number of MIMO Antennas, and Nss is the number of spatial streams (1). A consideration for Antenna Array Gain is also calculated in the following table. DUT DUT Array MPE Power Density Worse Case Mode of Output Antenna Limit Distance Operation Power Gain (mW/cm2) Result (cm) (dBm) (dBi) (mW/cm2) (W/m2) Mode MHz (1) (2) (3) (4) (5) 802.11b 2412 20.0 22.16 7.8 0.1957157 1.9571569 1 Compliant 802.11a HT20 5745 20.0 19.76 7.8 0.1126983 1.1269827 1 Compliant SUM 20.0 N/A N/A 0.3084140 3.0841396 1 Compliant However, based upon a recent study by the FCC and KDB 662911 D01 published 5-28- 2013, Array Gain for IEEE 802.11 device with antenna arrays less than 4 or channel widths greater then 40 MHz, the value for Array Gain is 0 dB. Page 316 of 325 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com


Document Created: 2013-07-18 12:26:40
Document Modified: 2013-07-18 12:26:40
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