RF exp calc

FCC ID: PY308200087

RF Exposure Info

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FCCID_959631

RF Exposure Evaluation Declaration Product Name ： 54Mbps Wireless ADSL+ Modem Router Model No. ： DG834GU v5; DG834G v5 FCC ID ： PY308200087 Applicant ： Netgear Inc. Address ： 4500 Great America Pky, Santa Clara, CA 95054, USA Date of Receipt ： 2008/05/23 Issued Date ： 2008/06/16 Report No. ： 086S018-RF-US The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standard through the calibration of the equipment and evaluated measurement uncertainty herein. This report must not be used to claim product endorsement by CNLA, NVLAP, NIST or any agency of the Government. The test report shall not be reproduced except in full without the written approval of QuieTek Corporation.

Report No： 086S018-RF-US Test Report Certification Issued Date : 2008/06/16 Report No. : 086S018-RF-US Product Name : 54Mbps Wireless ADSL+ Modem Router Applicant : Netgear Inc. Address : 4500 Great America Pky, Santa Clara, CA 95054, USA Manufacturer : Ambit Microsystems (Shanghai) Ltd. Address : No. 1925, Nanle Road Songjiang Export Processing Zone Shanghai China, Post Code: 201613 Model No. : DG834GU v5; DG834G v5 FCC ID : PY308200087 Rated Voltage : AC 120V/60Hz EUT Voltage : AC 100-240 V / 50-60 Hz Trade Name : Netgear Applicable Standard : FCC OET 65 Test Result : Complied Performed Location : SuZhou EMC laboratory No.99 Hongye Rd., Suzhou Industrial Park Loufeng Hi-Tech Development Zone., SuZhou, China TEL: +86-512-6251-5088 / FAX: +86-512-6251-5098 FCC Registration Number: 800392 Documented By : ( Any Liu ) Reviewed By : ( Dream Cao ) Approved By : ( Murphy Wang ) Page: 2 of 6

Report No： 086S018-RF-US Laboratory Information We , QuieTek Corporation, are an independent EMC and safety consultancy that was established the whole facility in our laboratories. The test facility has been accredited by the following accreditation Bodies in compliance with ISO 17025, EN 45001 and Guide 25: Taiwan R.O.C. : BSMI, DGT, CNLA Germany : TUV Rheinland Norway : Nemko, DNV USA : FCC, NVLAP Japan : VCCI The related certificate for our laboratories about the test site and management system can be downloaded from QuieTek Corporation’s Web Site : http://tw.quietek.com/modules/myalbum/ The address and introduction of QuieTek Corporation’s laboratories can be founded in our Web site : http://www.quietek.com/ If you have any comments, Please don’t hesitate to contact us. Our contact information is as below: HsinChu Testing Laboratory : No.75-2, 3rd Lin, Wangye Keng, Yonghxing Tsuen, Qionglin Shiang, Hsinchu County 307, Taiwan, R.O.C. TEL:+886-3-592-8858 / FAX:+886-3-592-8859 E-Mail : service@quietek.com LinKou Testing Laboratory : No. 5, Ruei-Shu Valley, Ruei-Ping Tsuen, Lin-Kou Shiang, Taipei, Taiwan, R.O.C. TEL : +886-2-8601-3788 / FAX : 886-2-8601-3789 E-Mail : service@quietek.com Suzhou Testing Laboratory : No.99 Hongye Rd., Suzhou Industrial Park Loufeng Hi-Tech Development Zone., SuZhou, China TEL : +86-512-6251-5088 / FAX : 86-512-6251-5098 E-Mail : service@quietek.com Page: 3 of 6

Report No： 086S018-RF-US 1. RF Exposure Evaluation 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) Electric Magnetic Power Average Frequency Field Field Density Time Range (MHz) Strength Strength (mW/cm2) (Minutes) (V/m) (A/m) (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. Page: 4 of 6

Report No： 086S018-RF-US 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. Test Result of RF Exposure Evaluation Product : 54Mbps Wireless ADSL+ Modem Router Test Item : RF Exposure Evaluation Test Site : AC-3 Test Mode : Mode 1: Transmitter by 802.11b Antenna Gain: Antenna Gain: The maximum Gain measured in fully anechoic chamber is 1.6 dBi or 1.45 in linear scale. Output Power Into Antenna & RF Exposure Evaluation Distance: Channel Frequency Output Power to Antenna Power Density at R = 20 cm Channel (MHz) (mW) (mW/cm2) 01 2412.00 125.8925 0.036202 06 2437.00 125.0259 0.035953 11 2462.00 98.6279 0.028362 Note: The power density Pd (4th column) at a distance of 20 cm calculated from the Friis transmission formula is far below the limit of 1 mW/cm2. Page: 5 of 6

Report No： 086S018-RF-US Product : 54Mbps Wireless ADSL+ Modem Router Test Item : RF Exposure Evaluation Test Site : AC-3 Test Mode : Mode 2: Transmitter by 802.11g Antenna Gain: Antenna Gain: The maximum Gain measured in fully anechoic chamber is 1.6 dBi or 1.45 in linear scale. Output Power Into Antenna & RF Exposure Evaluation Distance: Channel Frequency Output Power to Antenna Power Density at R = 20 cm Channel (MHz) (mW) (mW/cm2) 01 2412.00 114.8154 0.033016 06 2437.00 109.3956 0.031458 11 2462.00 92.6830 0.026652 Note: The power density Pd (4th column) at a distance of 20 cm calculated from the Friis transmission formula is far below the limit of 1 mW/cm2. Page: 6 of 6


Document Created: 2008-06-17 17:56:02
Document Modified: 2008-06-17 17:56:02
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