Q87-BEFW11S4Wireless Access Point Router

Instant Wireless ® Series Wireless-B Broadband Router Use this guide to install: BEFW11S4 User Guide COPYRIGHT & TRADEMARKS Specifications are subject to change without notice. Copyright © 2003 Linksys, All RightsReserved. Instant Wireless, Linksys, and the Linksys logo are registered trademarks ofLinksys Group, Inc. Microsoft, Windows, and the Windows logo are registered trade-marks of Microsoft Corporation. All other trademarks and brand names are the proper-ty of their respective proprietors.LIMITED WARRANTY Linksys guarantees that every Instant Wireless ® Wireless-B Broadband Router is free from physical defects in material and workmanship for one year from the date of pur-chase, when used within the limits set forth in the Specifications chapter of this UserGuide. TT hh ii ss WW aa rr rr aa nn tt yy ii ss vv aa ll ii dd aa nn dd mm aa yy bb ee pp rr oo cc ee ss ss ee dd oo nn ll yy ii nn tt hh ee cc oo uu nn tt rr yy oo ff pp uu rr cc hh aa ss ee .. If the product proves defective during this warranty period, go to the Linksys website at www.linksys.com for complete RMA (Return Merchandise Authorization) assistance. You can also call Linksys Technical Support in order to obtain a RMA Number. BE SURE TOHAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT’S PACK-AGING ON HAND WHEN CALLING. RETURN REQUESTS CANNOT BE PROCESSEDWITHOUT PROOF OF PURCHASE. When returning a product, mark the RMA Numberclearly on the outside of the package and include a copy of your original proof of pur-chase. All customers located outside of the United States of America and Canada shallbe held responsible for shipping and handling charges.IN NO EVENT SHALL LINKSYS’ LIABILITY EXCEED THE PRICE PAID FOR THE PROD-UCT FROM DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAM-AGES RESULTING FROM THE USE OF THE PRODUCT, ITS ACCOMPANYING SOFT-WARE, OR ITS DOCUMENTATION. LINKSYS OFFERS NO REFUNDS FOR ITS PROD-UCTS. Linksys makes no warranty or representation, expressed, implied, or statutory,with respect to its products or the contents or use of this documentation and all accom-panying software, and specifically disclaims its quality, performance, merchantability, orfitness for any particular purpose. Linksys reserves the right to revise or update its prod-ucts, software, or documentation without obligation to notify any individual or entity.Please direct all inquiries to:Linksys P.O. Box 18558, Irvine, CA 92623. FCC STATEMENTThe Instant Wireless Wireless-B Broadband Route has been tested and complies with thelimits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits aredesigned to provide reasonable protection against harmful interference in a residentialinstallation. This equipment generates, uses, and can radiate radio frequency energyand, if not installed and used according to the instructions, may cause harmful interfer-ence to radio communications. However, there is no guarantee that interference will notoccur in a particular installation. If this equipment does cause harmful interference toradio or television reception, which is found by turning the equipment off and on, the useris encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna• Increase the separation between the equipment or devices• Connect the equipment to an outlet other than the receiver’s• Consult a dealer or an experienced radio/TV technician for assistanceFCC Caution: Any changes or modifications nor expressly approved by the party respon-sible for compliance could void the user's authority to operate this equipment.This device complies with Part 15 of the FCC Rules. Operation is subject to the followingtwo conditions: (1) This device may not cause harmful interference, and (2) This devicemust accept any interference received, including interference that may cause undesiredoperation.FCC RF Radiation Exposure StatementThis device and its antenna(s) must operate with a separation distance of at least 20 cmfrom all persons and must not be co-located or operating in conjunction with any otherantenna or transmitter. End-users must be provided with specific operations for satisfy-ing RF exposure compliance. INDUSTRY CANADA (CANADA)This Class B digital apparatus complies with Canadian IC-03.Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.The use of this device in a system operating either partially or completely outdoors mayrequire the user to obtain a license for the system according to the Canadian regulations.EC DECLARATION OF CONFORMITY (EUROPE)Linksys Group declares that the Instant Wireless Series products included in the InstantWireless Series conform to the specifications listed below, following the provisions of theEMC Directive 89/336/EEC and Low Voltage Directive 73/23/EEC:ETS 301489-17, 301 489-1 General EMC requirements for Radio equipment.EN 609 50 SafetyETS 300-328-2 Technical requirements for Radio equipment.Note: This equipment is intended to be used in all EU and EFTA countries. Outdoor usemay be restricted to certain frequencies and/or may require a license for operation. Formore details, contact Linksys Corporate Compliance.Note: Combinations of power levels and antennas resulting in a radiated power level ofabove 100 mW are considered as not compliant with the above mentioned directive andare not allowed for use within the European community and countries that have adoptedthe European R&TTE directive 1999/5/EC and/or the CEPT recommendation Rec 70.03.For more details on legal combinations of power levels and antennas, contact LinksysCorporate Compliance.• Linksys Group vakuuttaa täten että Instant Wireless Wireless-B Broadband Routertyyppinen laite on direktiivin 1999/5/EY, direktiivin 89/336/EEC ja direktiivin73/23/EEC oleellisten vaatimusten ja sitä koskevien näiden direktiivien muiden ehto-jen mukainen. • Linksys Group déclare que le routeur de point d’accès sans fil avec comm…

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Company : Cisco-Linksys,LLC Page : 1 of 10 Product : Wireless Access Point Router Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 1 of 10 Product : Wireless Access Point Router Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 3 of 10 Product : Wireless Access Point Router Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 4 of 10 Product : Wireless Access Point Router Adapter(1) Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 5 of 10 Product : Wireless Access Point Router Adapter(1) Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 6 of 10 Product : Wireless Access Point Router Adapter(1) Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 7 of 10 Product : Wireless Access Point Router Adapter(1) Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 8 of 10 Product : Wireless Access Point Router Adapter (2) Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 9 of 10 Product : Wireless Access Point Router Adapter (2) Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 10 of 10 Product : Wireless Access Point Router Adapter (2) Model : BEFW11S4

Company : Cisco-Linksys, LLC Model : BEFW11S4 Product : Wireless Access Point Router Wireless Access Point Router Model No: BEFW11S4 FCC IDQ87-BEFW11S4 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: [1] this device may not cause harmful interference and [2] this device must accept any interference received, including interference that may cause undesired operation. S/N Made in Taiwan

Company : Cisco-Linksys,LLC Page : 1 of 4 Product : Wireless Access Point Router Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 2 of 4 Product : Wireless Access Point Router Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 3 of 4 Product : Wireless Access Point Router Model : BEFW11S4 Company : Cisco-Linksys,LLC Page : 4 of 4 Product : Wireless Access Point Router Model : BEFW11S4

Description of Operation EUT is a Wireless Access Point Router with 11 channels. This device provided four kind of transmitting speed 1,2,5.5 and 11Mbps. The device of RF carrier is DQPSK,DB PSK and CCK.The device adapts direct sequence spread spectrum modulation. The Connector antenna was scolded on PCB provided diversity function to improve the receiving function.This Wireless Access Point Router is an IEEE 802.11b Wireless LAN adapter. It allows your computer to connect to a wireless network and to share resources, such as files or printers without being bound to the network wires. Operation in 2.4GHz Direct Sequence Spread Spectrum (D.S.S.S) radio transmission, the Wireless Access Point Router transfers data at speeds up to 64/128-bit Wired Equivalent Protection(WEP) algorithm is used. In addition, its standard compliance ensures that it can communicate with any 802.11b network.

Ecom Sertech Corp. Rm. 258, Bldg. 17, NO.195, Sec. 4 Chung Hsing Rd.,Chu -Tung Chen, Hsinchu, Taiwan 310, R.O.C TEL:886 - 3 - 5918012 FAX : 886 - 3 - 5825720 FCC ID：Q87-BEFW11S4 Report No.：ER03-07-044FRF Page 1 of 2 RF EXPOSURE EVALUATION 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 (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (A) Limits for Occupational / Control Exposures 300-1,500 -- -- F/300 6 1,500-100,000 -- -- 5 6 (B) Limits for General Population / Uncontrol Exposures 300-1,500 -- -- F/1500 6 1,500-100,000 -- -- 1 30 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 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. EUT Operating Condition A software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Ecom Sertech Corp. Rm. 258, Bldg. 17, NO.195, Sec. 4 Chung Hsing Rd.,Chu -Tung Chen, Hsinchu, Taiwan 310, R.O.C TEL:886 - 3 - 5918012 FAX : 886 - 3 - 5825720 FCC ID：Q87-BEFW11S4 Report No.：ER03-07-044FRF Page 2 of 2 Test Result of RF Exposure Evaluation Test Item ： RF Exposure Evaluation Data Test Mode ： Normal Operation Antenna Gain Antenna Gain：The maximum Gain measured in fully anechoic chamber is 2.0dBi linear scale. Output Power into Antenna & RF Exposure Evaluation Distance Channel Channel Frequency (MHz) Output Power to Antenna (dBm) Power density in mW/cm2 at Friis formula when r=20cm(mW/cm2) LIMITS CH1 2412.00 20.01 0.031603 1 CH6 2437.00 19.01 0.025103 1 CH11 2462.00 18.53 0.022477 1 The power density Pd (4 th column) at a distance of 20cm calculated from the Friis transmission formula is far belowthe limit of 1 mW/cm 2 . So, RF exposure limit warning or SAR test are not required.

Ecom Sertech Corp. Rm. 258, Bldg. 17, NO.195, Sec. 4 Chung Hsing Rd.,Chu -Tung Chen, Hsinchu, Taiwan 310, R.O.C TEL:886 - 3 - 5918012 FAX : 886 - 3 - 5825720 FCC ID：Q87-BEFW11S4 Report No.：ER03-07-044FRF Page 1 of 46 TEST REPORT Product Name ： Wireless Access Point Router Model Number ： BEFW11S4 Applicant ： Cisco-Linksys, LLC Address ： 17401 Armstrong Avenue Irvine, CA 92614 (USA) Received Date ： Jul. 16, 2003 Tested Date ： Aug. 01, 2003 Notes ： 1. This report will be invalid if duplicated or photocopied in part. 2. This report refers only to the specimen(s) submitted to testing, and be invalid as seperately used. 3. This report is invalid without examination stamp and signature of this institute. 4. The tested specimen(s) will be preserved for thirty days from the data issued. 5. The report must not be used to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the federal government. Ecom Sertech Corp. Rm. 258, Bldg. 17, NO.195, Sec. 4 Chung Hsing Rd.,Chu -Tung Chen, Hsinchu, Taiwan 310, R.O.C TEL:886 - 3 - 5918012 FAX : 886 - 3 - 5825720 FCC ID：Q87-BEFW11S4 Report No.：ER03-07-044FRF Page 2 of 46 Test Report Certification Product Name : Wireless Access Point Router Model Number : BEFW11S4 Applicant : Cisco-Linksys, LLC Measurement Standard : 47 CFR Part 15, Subpart B and Subpart C (Section 15.247), ANSI C63.4-2001 WE HEREBY CERTIFY THAT: The measurements shown in the attachment were made in accordance with the procedures indicated, and the energy emitted by the equipment was found to be within the limits applicable. We assume full responsibility for the accuracy and completeness of these measurements and vouch for the qualifications of all persons taking them. Ecom Sertech Corp. Rm. 258, Bldg. 17, NO.195, Sec. 4 Chung Hsing Rd.,Chu -Tung Chen, Hsinchu, Taiwan 310, R.O.C TEL:886 - 3 - 5918012 FAX : 886 - 3 - 5825720 FCC ID：Q87-BEFW11S4 Report No.：ER03-07-044FRF Page 3 of 46 TABLE OF CONTENTS TITLE PAGE NO. 1. GENERAL INFORMATION ............................................................................................................ 5 1.1 General Statement ......................................................................................................................... 5 1.2 General Description of EUT & Power ..........................................................................................5 1.3 Description of Peripherals............................................................................................................. 6-7 1.4 EUT & Peripherals Setup Diagram............................................................................................... 8 1.5 EUT Operating Condition............................................................................................................. 8 1.6 Description of Test Site ................................................................................................................ 9 1.7 Summary of Test Results .............................................................................................................. 9 2. CONDUCTED POWERLINE TEST ................................................................................................. 10 2.1 Test Equipments ........................................................................................................................... 10 2.2 Test Setup ..................................................................................................................................... 10 2.3 Conducted Power Line Emission Limit ........................................................................................11 2.4 Test Procedure .............................................................................................................................. 11 2.5 Uncertainty of Conducted Emission ............................................................................................. 11 2.6 Conducted RF Voltage Measurement ...........................................................................................12-13 2.7 Photos of Conduction Test............................................................................................................ 14 3. RADIATED EMISSION TEST ......................................................................................................... 15 3.1 Test Equipments ........................................................................................................................... 15 3.2 Test Setup ..................................................................................................................................... 15 3.3 Radiation Limit ............................................................................................................................. 16 3.4 Test Procedures............................................................................................................................. 17 3.5 Uncertainty of Radiated Emission ................................................................................................ 17 3.6 Radiated RF Noise Measurement ................................................................................................. 18-30 3.7 Photos of Open Site ...................................................................................................................... 31-32 4. 6dB BANDWIDTH MEASUREMENT ............................................................................................ 33 4.1 Test Equipments ........................................................................................................................... 33 4.2 Test Setup ..................................................................................................................................... 33 4.3 Limits of 6dB Bandwidth Measurement ....................................................................................... 33 4.4 Test Procedure .................................................................…

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Ecom Sertech Corp. Rm. 258, Bldg. 17, NO.195, Sec. 4 Chung Hsing Rd.,Chu -Tung Chen, Hsinchu, Taiwan 310, R.O.C TEL:886 - 3 - 5918012 FAX : 886 - 3 - 5825720 FCC ID：Q87-BEFW11S4 Report No.：ER03-07-044FRF Page 14 of 46 2.7 Photos of Conduction Test Ecom Sertech Corp. Rm. 258, Bldg. 17, NO.195, Sec. 4 Chung Hsing Rd.,Chu -Tung Chen, Hsinchu, Taiwan 310, R.O.C TEL:886 - 3 - 5918012 FAX : 886 - 3 - 5825720 FCC ID：Q87-BEFW11S4 Report No.：ER03-07-044FRF Page 31 of 46 3.7 Photos of Open Site Ecom Sertech Corp. Rm. 258, Bldg. 17, NO.195, Sec. 4 Chung Hsing Rd.,Chu -Tung Chen, Hsinchu, Taiwan 310, R.O.C TEL:886 - 3 - 5918012 FAX : 886 - 3 - 5825720 FCC ID：Q87-BEFW11S4 Report No.：ER03-07-044FRF Page 32 of 46