Q87-WET200Wireless-G Business Ethernet Bridge

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Cisco-Linksys LLC 121 Theory Drive Irvine, CA 92617 (USA) Phone: 949-261-1288 Fax: 949-823-3002 FCC DFS Declaration letter FCC ID: Q87-WET200 Date: May 17, 2007 To whom it may concern: We, the undersigned, declare that the WET200 ( FCC ID: Q87-WET200 ) doesn’t have “Ad Hoc on non-US frequencies” and/or “on DFS frequencies” Sincerely, __________________________________________ Jennifer Yu / Program Manager Cisco-Linksys LLC Tel.: ( 949 ) 823-3188 Fax: ( 949 ) 823-3002 [email protected]

Cisco-Linksys LLC 121 Theory Drive Irvine, CA 92617 (USA) Phone: 949-261-1288 Fax: 949-823-3002 Date: May 17, 2007 FCC ID: Q87-WET200 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: Schematics Block Diagram The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely yours, __________________________________________ Jennifer Yu / Program Manager Cisco-Linksys LLC Tel.: ( 949 ) 823-3188 Fax: ( 949 ) 823-3002 [email protected]

Cisco-Linksys LLC 121 Theory Drive Irvine, CA 92617 (USA) Phone: 949-261-1288 Fax: 949-823-3002 Agency Authorization Letter Date: May17, 2007 To whom it may concern: We, the undersigned, hereby authorize Advance Data Technology Corp. (ADT) of Taiwan to act on our behalf, as our agent, in the following matters related to the FCC approval of our products: report submittal, related correspondence, the signing of all documents relating to these matters, and any other lawful activity necessary to obtain such certification. Any act carried out by ADT within the scope of this authorization shall have the same effects as our own. This authorization shall expire six months from the original date. If you have any questions regarding the authorization, please don’t hesitate to contact us. Thank you! Sincerely yours, __________________________________________ Jennifer Yu / Program Manager Cisco-Linksys LLC Tel.: ( 949 ) 823-3188 Fax: ( 949 ) 823-3002 [email protected]

Model No.: WET200 Page 1 CONSTRUCTION PHOTOS OF EUT Page 2 Page 3 Page 4 Page 5 Page 6

Page 7 Page 8 Page 9 Page 10 Page 11 Page 12

FCC ID: Q87-WET200 Report No.: RF960319L08 Technical Description This device is an Wireless-G Business Ethernet Bridge, which operates in the 2.4GHz frequency spectrum with throughput of up to 54Mbps which OFDM technique will be applied. If the signal to noise radio is too poor which could not support 54Mbps, the 11Mbps data rate with DSSS technique will be applied. The transmitter of the EUT is powered by AC adapter or POE. The antenna used in this product is Dipole antenna with Reverse SMA connector. The other instruction, please have a look at the users manual.

FCC ID: Q87-WET200 Report No: SA960319L08 1 RF EXPOSURE REPORT REPORT NO.: SA960319L08 MODEL NO.: WET200 ACCORDING: FCC Guidelines for Human Exposure IEEE C95.1 APPLICANT: Cisco-Linksys LLC ADDRESS: 121 Theory Drive Irvine, CA 92617 (USA) ISSUED BY: Advance Data Technology Corporation LAB ADDRESS: No. 47, 14 th Ling, Chia Pau Tsuen, Lin Kou Hsiang 244, Taipei Hsien, Taiwan, R.O.C. TEST LOCATION: No. 19, Hwa Ya 2 nd Rd., Wen Hwa Tsuen, Kwei Shan Hsiang, Taoyuan Hsien 333, Taiwan, R.O.C. FCC ID: Q87-WET200 Report No: SA960319L08 2 RF Exposure Measurement (Mobile Device) 1. Introduction In this document, we try to prove the safety of radiation harmfulness to the human body for our product. The limit for Maximum Permissible Exposure (MPE) specified in FCC 1.1310 is followed. The Gain of the antenna used in this product is measured in a Fully Anechoic Chamber (FAC) calibrated for antenna measurement in ADT, and also the maximum total power input to the antenna is measured. Through the Friis transmission formula and the maximum gain of the antenna, we can calculate the distance, away from the product, where the limit of MPE is reached. Although the Friis transmission formula is a far field assumption, the calculated result of that is an over-prediction for near field power density. We will take that as the worst case to specify the safety range. 2. RF Exposure Limit According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environmental impact of human exposure to radio-frequency (RF) radiation as specified in 1.1307(b) LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (minutes) (A)Limits For Occupational / Control Exposures 300-1500 ... ... F/300 6 1500-100,000 ... ... 5 6 (B)Limits For General Population / Uncontrolled Exposure 300-1500 ... ... F/1500 30 1500-100,000 ... ... 1.0 30 F = Frequency in MHz FCC ID: Q87-WET200 Report No: SA960319L08 3 3. Friis Formula Friis transmission formula : Pd = (Pout*G) / (4*pi*r 2 ) where Pd = power density in mW/cm 2 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 If we know the maximum Gain of the antenna and the total power input to the antenna, through the calculation, we will know the MPE value at distance 20cm. Ref. : David K. Cheng, Field and Wave Electromagnetics, Second Edition, Page 640, Eq. (11-133). 4. EUT Operating condition The software provided by Manufacturer enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. 5. Classification The antenna of this product, under normal use condition, is at least 20cm away from the body of the user. Warning statement to the user for keeping at least 20cm or more separation distance with the antenna should be included in users manual. So, this device is classified as Mobile Device. FCC ID: Q87-WET200 Report No: SA960319L08 4 6. Test Results 6.1 Antenna Gain The maximum Gain measured in Fully Anechoic Chamber is 1.8dBi or 1.513561 (numeric). 6.2 Output Power into antenna & RF Exposure at Distance 20cm: For 802.11b DSSS MODULATION: Channel Channel Frequency (MHz) Output Power to Antenna (mW) Power Density (mW/cm 2 ) Limit of Power Density (mW/cm 2 ) 1 2412 39.994 0.012 1.0 6 2437 39.902 0.012 1.0 11 2462 40.644 0.012 1.0 For 802.11g OFDM MODULATION: Channel Channel Frequency (MHz) Output Power to Antenna (mW) Power Density (mW/cm 2 ) Limit of Power Density (mW/cm 2 ) 1 2412 50.119 0.015 1.0 6 2437 64.121 0.019 1.0 11 2462 50.816 0.015 1.0

Report No.: RF960319L08 1 Report Format Version 2.0.5 FCC TEST REPORT REPORT NO.: RF960319L08 MODEL NO.: WET200 RECEIVED: May 10, 2007 TESTED: May 16 ~ May 30, 2007 ISSUED: Jun. 01, 2007 APPLICANT: Cisco-Linksys LLC ADDRESS: 121 Theory Drive Irvine, CA 92617 (USA) ISSUED BY: Advance Data Technology Corporation LAB ADDRESS: No. 47, 14 th Ling, Chia Pau Tsuen, Lin Kou Hsiang 244, Taipei Hsien, Taiwan, R.O.C. TEST LOCATION: No. 47, 14 th Ling, Chia Pau Tsuen, Lin Kou Hsiang 244, Taipei Hsien, Taiwan, R.O.C. No. 19, Hwa Ya 2 nd Rd., Wen Hwa Tsuen, Kwei Shan Hsiang, Taoyuan Hsien 333, Taiwan, R.O.C. This test report consists of 94 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product endorsement by CNLA, A2LA or any government agencies. The test results in the report only apply to the tested sample. Report No.: RF960319L08 2 Report Format Version 2.0.5 TABLE OF CONTENTS 1. CERTIFICATION...........................................................................................................4 2. SUMMARY OF TEST RESULTS ..................................................................................5 2.1 MEASUREMENT UNCERTAINTY................................................................................5 3. GENERAL INFORMATION ...........................................................................................6 3.1 GENERAL DESCRIPTION OF EUT .............................................................................6 3.2 DESCRIPTION OF TEST MODES ...............................................................................7 3.2.1 CONFIGURATION OF SYSTEM UNDER TEST ..........................................................8 3.2.2 TEST MODE APPLICABILITY AND TESTED CHANNEL DETAIL .............................12 3.2.3 GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................14 3.2.4 DESCRIPTION OF SUPPORT UNITS .......................................................................15 4. TEST TYPES AND RESULTS ....................................................................................17 4.1 CONDUCTED EMISSION MEASUREMENT .............................................................17 4.1.1 LIMITS OF CONDUCTED EMISSION MEASUREMENT...........................................17 4.1.2 TEST INSTRUMENTS................................................................................................17 4.1.3 TEST PROCEDURES ................................................................................................18 4.1.4 DEVIATION FROM TEST STANDARD ......................................................................18 4.1.5 TEST SETUP..............................................................................................................19 4.1.6 EUT OPERATING CONDITIONS ...............................................................................19 4.1.7 TEST RESULTS .........................................................................................................20 4.2 RADIATED EMISSION MEASUREMENT ..................................................................44 4.2.1 LIMITS OF RADIATED EMISSION MEASUREMENT................................................44 4.2.2 TEST INSTRUMENTS................................................................................................45 4.2.3 TEST PROCEDURES ................................................................................................47 4.2.4 DEVIATION FROM TEST STANDARD ......................................................................48 4.2.5 TEST SETUP..............................................................................................................48 4.2.6 EUT OPERATING CONDITIONS ...............................................................................48 4.2.7 TEST RESULTS .........................................................................................................49 4.3 6dB BANDWIDTH MEASUREMENT..........................................................................67 4.3.1 LIMITS OF 6dB BANDWIDTH MEASUREMENT .......................................................67 4.3.2 TEST INSTRUMENTS................................................................................................67 4.3.3 TEST PROCEDURE...................................................................................................68 4.3.4 DEVIATION FROM TEST STANDARD ......................................................................68 4.3.5 TEST SETUP..............................................................................................................68 4.3.6 EUT OPERATING CONDITIONS ...............................................................................68 4.3.7 TEST RESULTS .........................................................................................................69 4.4 MAXIMUM PEAK OUTPUT POWER .........................................................................73 4.4.1 LIMITS OF MAXIMUM PEAK OUTPUT POWER MEASUREMENT ..........................73 4.4.2 INSTRUMENTS..........................................................................................................73 4.4.3 TEST PROCEDURES ................................................................................................74 4.4.4 DEVIATION FROM TEST STANDARD ......................................................................74 4.4.5 TEST SETUP..............................................................................................................74 4.4.6 EUT OPERATING CONDITIONS ...............................................................................74 Report No.: RF960319L08 3 Report Format Version 2.0.5 4.4.7 TEST RESULTS .........................................................................................................75 4.5 POWER SPECTRAL DENSITY MEASU…

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1 PHOTOGRAPHS OF THE TEST CONFIGURATION CONDUCTED EMISSION TEST (Test Mode A) 2 CONDUCTED EMISSION TEST (Test Mode B) 3 CONDUCTED EMISSION TEST (Test Mode C) 4 CONDUCTED EMISSION TEST (Test Mode D) 5 RADIATED EMISSION BELOW 1GHz TEST (Test Mode A) 6 RADIATED EMISSION ABOVE 1GHz TEST (Test Mode A) 7 RADIATED EMISSION BELOW 1GHz TEST (Test Mode B) 8 RADIATED EMISSION ABOVE 1GHz TEST (Test Mode B) 9 RADIATED EMISSION BELOW 1GHz TEST (Test Mode C) 10 RADIATED EMISSION ABOVE 1GHz TEST (Test Mode C) 11 RADIATED EMISSION BELOW 1GHz TEST (Test Mode D) 12 RADIATED EMISSION ABOVE 1GHz TEST (Test Mode D)