(GWHDMS52MB - T) RFExp

FCC ID: QLEGWHDMS52MB

RF Exposure Info

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FCCID_2249688

Report No. 1420159R-RFUSP06V00 RF Exposure Evaluation declaration Product Name Long Range Wireless 5 x 2 HD Matrix Pro -Transmitter Model No. GWHDMS52MB - T FCC ID QLEGWHDMS52MB Applicant ATEN Technology, Inc., dba IOGEAR Address 19641 Da Vinci Foothill Ranch, CA 92610 United States Date of Receipt Feb. 13, 2014 Date of Declaration Mar. 14, 2014 Report No. 1420159R-RFUSP06V00 The declaration results relate only to the samples calculated. The declaration shall not be reproduced except in full without the written approval of QuieTek Corporation. This report must not be used to claim product endorsement by TAF any agency of the U.S. Government Page: 1 of 3

Report No. 1420159R-RFUSP06V00 1. RF Exposure Evaluation 1.1. Limits According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) Frequency Range Electric Field Magnetic Field Power Density Average Time 2 (MHz) Strength (V/m) Strength (A/m) (mW/cm ) (Minutes) (A) Limits for Occupational/ Control Exposures 300-1500 -- -- F/300 6 1500-100,000 -- -- 5 6 (B) Limits for General Population/ Uncontrolled Exposures 300-1500 -- -- F/1500 6 1500-100,000 -- -- 1 30 F= Frequency in MHz Friis Formula Friis transmission formula: Pd = (Pout*G)/(4*pi*r2) Where Pd = power density in mW/cm2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. 1.2. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. The temperature and related humidity: 18℃and 78％ RH. Page: 2 of 3

Report No. 1420159R-RFUSP06V00 1.3. Test Result of RF Exposure Evaluation Product : Long Range Wireless 5 x 2 HD Matrix Pro -Transmitter Test Item : RF Exposure Evaluation Test Site : No.3 OATS Operation Frequency Range 5190~5230MHz, 5270~5310MHz, 5510~5670MHz, 5755~5795MHz. Maximum Conducted output power 25.39dBm Antenna gain 2.5dBi Output Power Into Antenna & RF Exposure Evaluation Distance: Output Power to Antenna (mW) Power Density at R = 20 cm (mW/cm2) 345.9394 0.122386 2 Power density in column 4 is much lower than the limit (1 mW/cm ). Page: 3 of 3


Document Created: 2014-03-31 11:44:42
Document Modified: 2014-03-31 11:44:42
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