PPD-AR5BCB-00012UNII Radio Device

( ( F F C C C C I I D D : : P P P P D D - - A A R R 5 5 B B C C B B - - 0 0 0 0 0 0 1 1 2 2 ) ) A A R R 5 5 B B C C B B - - 0 0 0 0 0 0 1 1 2 2 P P C C C C a a r r d d Quick Start Guide http://www.atheros.com.com/ Published July 2001 Copyright © 2001. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without the written permission of Atheros Communications Corporation. Atheros Communications reserves the right to update and otherwise change the content of this document without being obligated to provide notification of revision. Atheros Communications provides this documentation without term, warranty, or condition of any kind, either expressed or implied, including (but not limited to) the implied terms, warranties, or conditions of merchantability, satisfactory quality, and appropriateness for a particular purpose. Atheros Communications may improve or otherwise change the product(s) and/or the program(s) described in this documentation at any time. The product described in this documentation includes a license agreement as a separate document in a directory file named NAME.TXT. If you are unable to locate a copy, please contact Atheros Communications and a copy will be provided to you. United States Government Legend If you are the United States government agency, then this documentation and the software described herein are provided to you on the following conditions: Insert text here. All technical data.... Unless otherwise indicated, Atheros Communications registered trademarks are registered in the United States and may or may not be registered in other countries. Atheros Communications, the Atheros Communications logo, and Product Name are registered trademarks of Atheros Communications. Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. All other company and product names may be trademarks of the respective companies with which they are associated. Export Restrictions: Insert text here. ! Quick Start Guide This Quick Start Guide is intended for users familiar with PC Card and driver installation for Windows 98, Windows ME, and Windows 2000. Refer to "Installing the Documentation" on page four of this Quick Start Guide for information on setting up the online documentation. Installation for Windows 98, ME, and Windows 2000 Before installing the driver, you will need a copy of the operating system installation media, usually a CD supplied with your computer or operating system. On Windows 98 systems, the installation files are sometimes archived on the hard disk in C:\WINDOWS\OPTIONS\CABS. On Windows 2000 systems, you may be prompted to load operating system files from the Windows 2000 installation disk. You will also need the End User Utilities CD supplied with your PC Card. the Setup program installs configuration utilities in the Network application in the Control Panel. Run Setup from the End User Utilities CD 1 1 . . Turn on your computer. 2 2 . . Put the End User Utilities CD in the CD-ROM drive. The setup program should start automatically. If it does not start, you can run it manually by selecting Run from the Start menu and running SETUP.EXE from the CD- ROM Drive. 3 3 . . On the WLAN Menu screen, select Installation for Windows. 4 4 . . Select Adapter Installation Instructions. Follow the instructions as they appear on the screen. 5 5 . . When prompted, insert the PC Card into the PC Card slot (Figure 1). Align the card properly before putting it in the slot. Insert the card firmly without forcing until it seats snugly. CAUTION: Forcing a misaligned card into the slot can damage the computer or the card. The driver-installation procedure guides you through the steps standard for your operating system. If you are unfamiliar with driver-installation procedures, refer to the Network Interface Card User Guide for details. You will be asked to supply CDs or directory-path information for the End User Utilities CD and your operation-system software. The setup program will install and open the Network application in the Control Panel as part of the driver-installation process. " ! 6 6 . . Enter the name of the Wireless LAN Service Area of the wireless network to which your computer will connect. The name you enter here must be identical to the name assigned to the access point. Capitalization, characters, and spacing must match exactly. NOTE: If the access point you wish to associate with is set for encryption, you must also enable encryption on the wireless client. Click Advanced to go to screens where you can enable and configure encryption. You must set the wireless client for the same encryption algorithm and Shared Key values as the access point it will associate with. Refer to the Network Interface Card User Guide for more details about configuring encryption. 7 7 . . Dave the configuration settings and exit by clicking OK. 8 8 . . Restart your computer. 9 9 . . Make sure that the network protocol parameters, including the IP address, gateway, and subnet mask, are set correctly for your computer. 1 1 0 0 . . When the system reboots, restart the setup program and install any other required components. Atheros Communications recommends that you install the wireless LAN applications so you can access the utilities described in the Network Interface Card User Guide. 1 1 1 1 . . Restart your computer. Orienting the Antenna The PC Card antenna is attached to the end of the PC Card. Caution: Do not attempt to remove the antenna on the PC Card. If you pull on or bend the antenna, you might break the antenna and cause permanent damage to the card. Follow these guidelines for optimum use of the antenna: • Keep the area around the antenna clear from materials that could block radio transmission, such as metal objects, electronic devices, and cordless telephones. • If necessary, move your notebook computer a few in…

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Atheros Communications, Inc. 529 Almanor Avenue Sunnyvale CA 94085 t 408 773 5200 f 408 773 9940 www.atheros.com Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 August 1st, 2001 To Whom It May Concern: This letter authorizes Elliott Laboratories, Inc. as Agent for Atheros Communications, Inc., to sign applications before the Commission and to make representations to the FCC on our behalf. Elliott Laboratories is to receive and exchange data between our company and the Commission. This authorization is made pursuant to Section 2.911(c) of the FCC Rules and expires on September 24, 2001. I hereby certify on behalf of Atheros Communications, Inc. located at 529 Almanor Ave, Sunnyvale, CA 94085 ("Applicant") that neither Applicant nor any party to the application (officers, directors, and 5% shareholders) is subject to a denial of Federal benefits that includes FCC benefits pursuant to section 5301 of the Anti-Drug Abuse Act of 1988. 21 U.S.C. 853a. Sincerely, Michael Green Manager of Global Product Compliance

Atheros Communications, Inc. 529 Almanor Avenue Sunnyvale CA 94085 t 408 773 5200 f 408 773 9940 www.atheros.com Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 August 1st, 2001 Dear Examiner: I am writing to avoid the possibility of an inadvertent disclosure of proprietary information. The accompanying Form 731 is being filed with the commission on our behalf by Elliott Laboratories, Inc., a consulting and testing laboratory. Included as exhibits with the enclosed application are block diagrams, schematics, and a detailed description of the theory of operation of the device. We ask that these portions (block diagrams, schematics, and theory of operation) of our application be withheld from public inspection as provided under FCC section 0.459. These documents contain details of the proprietary operation of product. These details are not readily discernible - even to technically sophisticated individuals - from our hardware and constitute trade secrets. We request therefore that these documents and this letter be segregated from the body of our evaluation report and withheld from public inspection. Thank you for your attention. Please let the undersigned know if the Commission disagrees with our position or requires further justification. Sincerely, Michael Green Manager of Global Product Compliance

File: R44340 August 16, 2001 Chief, Equipment Authorization Branch, Authorization and Evaluation Division, Office of Engineering and Technology FEDERAL COMMUNICATIONS COMMISSION P.O. Box 358315 Pittsburgh, PA 15251-5315 Gentlemen: The enclosed documents constitute a formal submittal and application for a Grant of Equipment Authorization pursuant to Subpart C of Part 15 of FCC Rules (CFR 47) regarding intentional radiators. Data within this report demonstrates that the equipment tested complies with the FCC limits for intentional radiators. Elliott Laboratories, as duly authorized agent prepared this submittal. A copy of the letter of our appointment as agent is enclosed. If there are any questions or if further information is needed, please contact Elliott Laboratories for assistance. Sincerely, Mark R. Briggs Director of Engineering MRB/dmg Enclosures: Agent Authorization Letter Emissions Test Report with Exhibits

External Photographs Atheros Communications Model: AR5BCB-00012 FCC ID: PPD-AR5BCB-00012

Label Dimensions and Placement FCCID: PPD-AR5BCB-00012 Label Dimensions = 2.48 x 1.55 in. Label Material = .002in TC/249 White Mylar Label Adhesive = Permanent Label Placement: Top and Bottom labels centered in recessed area of metal covers.

Internal Photographs Atheros Communications Model: AR5BCB-00012 FCC ID: PPD-AR5BCB-00012 Internal Assembly Bottom View of Circuit Board Top View of Circuit Board

SAR COMPLIANCE TESTING OF ATHEROS COMMUNICATIONS MODEL PPD-AR5BCB-00012 5.15 TO 5.35 GHz CARDBUS CARD INSERTED INTO A LAPTOP COMPUTER July 18, 2001 Submitted to:Mr. Eric Dukatz Senior RF Engineer Atheros Communications 529 Almanor Avenue Sunnyvale, CA 94085-3512 Submitted by:Om P. Gandhi Professor of Electrical Engineering University of Utah 50 S Central Campus Dr., Rm. 3280 Salt Lake City, UT 84112-9206 SAR COMPLIANCE TESTING OF ATHEROS COMMUNICATIONS MODEL PPD-AR5BCB-00012 5.15 TO 5.35 GHz CARDBUS CARD INSERTED INTO A LAPTOP COMPUTER I. Introduction The U.S. Federal Communications Commission (FCC) has adopted limits of human exposure to RF emissions from mobile and portable devices that are regulated by the FCC [1]. The FCC has also issued Supplement C (Edition 97-01) to OET Bulletin 65 [2] and a more recent version of the same [3] defining both the measurement and the computational procedures that should be followed for evaluating compliance of mobile and portable devices with FCC limits for human exposure to radiofrequency emissions. We have used both the measurement and computational procedures for SAR compliance testing of the Atheros Communications CardBus card (FCC ID: PPD- AR5BCB-00012) inserted into a laptop computer. A photograph of the unit with th e CardBus card inserted into the laptop computer is given in Fig. 1. A picture of the Model AR5BCB-00012 CardBus card placed on the laptop is given in Fig. 2. For spatial diversity, the CardBus card uses two 5 GHz Side Stem Antennas each of geometry and dimensions given in Fig. 3. The antenna feed of width 1.75 mm and length 1.8 mm shown in Fig. 3 is mounted on a substrate of thickness 10 mils (0.25 mm) and dielectric constant 4.25. The two antennas are placed with a center-to-center spacing of 24.23 mm over a ground plane of width 43 mm and approximate length 45 mm. At any given time, only one of the two antennas is working either for the transmission or the reception mode. The Atheros Model AR5BCB-00012 CardBus card operates with a transmit power to up to 16 dBm (40 mW). Since the wireless PC may possibly be placed on a user's lap where the RF antennas would be the closest to the body, a planar phantom model was used both for SAR calculations as well as for SAR measurements. 2 II. Computation of SAR Distributions The Finite Difference Time-Domain Method One of the most successful and versatile methods for SAR calculations is the finite- difference time-domain (FDTD) method. This method was first proposed by Yee [4] and later developed by Taflove and colleagues [5-7], Holland [8], and Kunz and Lee [9]. This method has been extensively used for calculations of the distributions of electromagnetic (EM) fields and SARs in anatomically-based models of the human body for whole-body or partial-body exposures due to far-field or near-field irradiation conditions [10, 11]. In this method, the time-dependent Maxwell's curl equations ∇×∇×= +E=- H HE E μ ∂ ∂ σε ∂ ∂tt ,(1) are implemented for a lattice of subvolumes or "cells" that may be cubical or parallelepiped with different dimensions δ x , δ y , and δ z in x-, y-, or z-directions, respectively. The components of E and H are positioned about each of the cells as shown in Fig. 4 and calculated alternately with half-time steps where the time step δt = δ/2c where δ is the smallest of the dimensions used for each of the cells and c is the maximum phase velocity of the fields in the modeled space. Since some of the modeled volume is air, c corresponds to the velocity of EM waves in air. The details of the method are given in several of the above referenced publications [4-9] and will, therefore, not be repeated here. In the FDTD method, it is necessary to represent not only the scatterer/absorber such as the human body or a part thereof, but also any near-field sources/s such as the Side Stem Antenna of Fig. 3 mounted into a laptop computer. Since the SAR distribution is critically dependent on the antenna geometry and its placement vis à vis the lossy planar model simulant of the human lap, this region was modeled with an FDTD cell size of 0.6 × 0.6 × 0.6 mm. This choice of the cell dimensions allowed a proper representation of the stem antenna height (3.6 mm), its width (1.75 or nearly 1.8 mm), the top loading circular 3 hat (diameter 8.4 mm) and the antenna feed of width 1.75 or 1.8 mm and length 1.8 mm), the ground plane of dimensions (42 × 74.4 mm) and the separation between the bottom of the ground plane to the top of the lap-simulant model of 1.08 cm (18 cells). For SAR calculations, we have assumed a planar muscle-simulant lossy phantom at a distance of 1.08 cm below the CardBus card ground plane to account for a part of the thickness of the PC keyboard. For this planar model of dimensions 13.8 × 10.8 × 5.4 cm modeled by 230 × 180 × 90 cells (of dimension 0.6 mm), we have used muscle-simulant dielectric properties of ε r = 49.22 and conductivity σ = 4.32 S/m taken from the FCC website [www.fcc.gov/fcc-bin/dielec.sh]. Similar to the FDTD cell size used for modeling of the antenna, this planar tissue-simulant is also modeled by a cell size of 0.6 mm. A graphical representation of the SAR distributions calculated for the surface layer and for three additional layers at depths of 3, 6, and 9 mm are shown in Fig. 5, respectively. For all of these calculations, the antenna excited for a total radiated power of 16 dBm (40 mW) is assumed to be in the upper right hand corner which explains the high SARs for the phantom underneath. The calculated power absorbed by the entire phantom is 8.20 mW (20.5% of the conducted power) and the peak 1-g SAR is 0.176 W/kg. For SAR calculations, we have also used a second tissue-simulant phantom which is a proper representation of the rectangular box phantom used for experimental SAR measurements (see Fig. 7). This box phantom described in detail in Section V uses an acrylic base of thickness 6.35 mm and dielectric constant ε r = 2.56. For the present calcula…

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File: R44340 Page 1 of 19 Electromagnetic Emissions Test Report and Application for Grant of Equipment Authorization pursuant to FCC Part 15, Subpart E (UNII Devices) and Industry Canada RSS 210 Issue 4 (LELEAN Devices) on the Atheros Communications Model: AR5BCB-00012 FCC ID: PPD-AR5BCB-00012 GRANTEE: Atheros Communications 529 Almanor Sunnyvale CA. 94085 TEST SITE: Elliott Laboratories, Inc. 684 W. Maude Avenue Sunnyvale, CA 94086 REPORT DATE: August 16, 2001 FINAL TEST DATE: July 23, July 24, August 6, August 7 and August 8, 2001 AUTHORIZED SIGNATORY: ______________________________ Mark R. Briggs Director of Engineering This report shall not be reproduced, except in its entirety, without the written approval of Elliott Laboratories, Inc. Elliott Laboratories, Inc. -- EMC Department Test Report Report Date: August 16, 2001 File: R44340 Page 2 of 19 pages DECLARATIONS OF COMPLIANCE Equipment Name and Model: AR5BCB-00012 Manufacturer: Atheros Communications 529 Almanor Sunnyvale CA. 94085 Tested to applicable standards: RSS-210, Issue 4, December 2000 (Low Power License-Exempt Radiocommunication Devices) FCC Part 15 Subpart E (UNII Devices) Measurement Facility Description Filed With Department of Industry: Departmental Acknowledgement Number: IC2845-4 Dated July 19, 2001 Departmental Acknowledgement Number: IC2845-1 Dated July 30, 2001 I declare that the testing was performed or supervised by me; that the test measurements were made in accordance with the above mentioned departmental standards (through the use of ANSI C63.4 as detailed in section 5.3 of RSS-210, Issue 4); and that the equipment performed in accordance with the data submitted in this report. Signature ______________________________ Name Mark R. Briggs Title Director of Engineering Company Elliott Laboratories Inc. Address 684 W. Maude Ave Sunnyvale, CA 94086 USA Date: August 16, 2001 Maintenance of compliance with the above standards is the responsibility of the manufacturer. Any modification of the product which may result in increased emissions should be checked to ensure compliance has been maintained (i.e., printed circuit board layout changes, different line filter, different power supply, harnessing or I/O cable changes, etc.). Elliott Laboratories, Inc. -- EMC Department Test Report Report Date: August 16, 2001 File: R44340 Page 3 of 19 pages TABLE OF CONTENTS COVER PAGE...................................................................................................................................................................................1 DECLARATIONS OF COMPLIANCE......................................................................................................................................2 TABLE OF CONTENTS..............................................................................................................................................................3 SCOPE............................................................................................................................................................................................5 OBJECTIVE...................................................................................................................................................................................5 SUMMARY OF RESULTS...........................................................................................................................................................6 MEASUREMENT UNCERTAINTIES....................................................................................................................................7 EQUIPMENT UNDER TEST (EUT) DETAILS..........................................................................................................................8 GENERAL...................................................................................................................................................................................8 ENCLOSURE..............................................................................................................................................................................8 MODIFICATIONS.....................................................................................................................................................................8 SUPPORT EQUIPMENT...........................................................................................................................................................8 EUT INTERFACE PORTS........................................................................................................................................................9 EUT OPERATION.....................................................................................................................................................................9 ANTENNA REQUIREMENTS.................................................................................................................................................9 TEST SITE....................................................................................................................................................................................10 GENERAL INFORMATION...................................................................................................................................................10 CONDUCTED EMISSIONS CONSIDERATIONS...............................................................................................................10 RADIATED EMISSIONS CONSIDERATIONS..................................................................................................................10 MEASUREMENT INSTRUMENTATION................................................................................................................................11 RECEIVER SYSTEM..........................................................................................................................................…

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EMC Test Data Emissions Spec: Immunity Spec: Contact: Client: Model: Atheros Atheros AR5BCB-00012 Eric Dukatz J44394 T44395 Mark Briggs Job Number: T-Log Number: Proj Eng: Model AR5BCB-00012 FCC Part 15 Subparts B and E N/A B -Environment: Class: EMC Test Data For The T-Log: T44395.xls, Rev 0.1CoverPage 1 of 57 EMC Test Data PPD-AR5BCB-00012 The EUT is a PC Card bus standard UNII Radio which is designed to operate from 5.18 GHz to 5.32 GHz. The system is intended for indoor use only. Normally, the EUT would be placed in a laptop PC during normal use. The EUT was, therefore, placed in a laptop PC and treated as table-top equipment during testing to simulate the end user environment. The EUT enclosure is primarily constructed of fabricated sheet steel. It measures approximately 7 cm wide by .5 cm deep by 10 cm high. EUT Enclosure FCC ID AtherosAR5BCB-00012CardBus UNII RadioECC26 N/A Emissions Spec: DescriptionModel EUT INFORMATION Serial Number Equipment Under Test Client: Model: J44394 T44395 Atheros AR5BCB-00012 Mark Briggs Job Number: T-Log Number: Proj Eng: Contact: Eric Dukatz Immunity Spec: Manufacturer General Description B -Environment: Class:FCC Part 15 Subparts B and E Modification History Mod. #TestDateModification 1 T-Log: T44395.xls, Rev 0.1EUT DescripPage 2 of 57 EMC Test Data "Turbo Mode" allows data rates of up to 72Mb/s. At data rates higher than 12Mb/s the PA gain is reduced to improve signal fidelity. The device was, therefore, tested in turbo mode at the data rate that produced the highest output power for turbo mode (12Mb/s). DS16XU2225CHewlett Packard USRobotics 2225C ThinkJetParallel Printer -ac2636S40326 Pilot 5000 Palm Computing Platform 604719G68390 EUT Operation During Emissions (Digital Device) Local Support Equipment Remote Support Equipment Interface Ports DoC Model EUT Operation During Emissions (Radio) DellPP01LLaptop PC TW-0791UH-12800-OB4- 3546 FCC ID The EUT was transmitting at full power on the center channel (channel 12, 5240 MHz). The laptop was displaying a scrolling H pattern on its video screen and sending data to the printer. Note: The printer and Palm pilot were not used during the emissions tests for the radio. They were only used for the digital device radiated emissions and for conducted emissions. Port MQ90001 DescriptionSerial NumberFCC ID B - FCC Part 15 Subparts B and E N/AEnvironment: Class: J44394 T44395 Mark Briggs Job Number: T-Log Number: Proj Eng: Eric Dukatz Client: Model: Atheros AR5BCB-00012 Contact: Manufacturer None Manufacturer Emissions Spec: Immunity Spec: Shielded or Unshielded ModelDescriptionSerial Number Cable(s) Printer Shielded Shielded 2 3 The radio was transmitting at full power on the specified channelwith a duty cycle of 99% (maximum allowed). The EUT was tested in both normal mode (chanel bandwidth of approximately 30 MHz) and turbo mode (channel bandwidth of approximately 60 MHz). Test Configuration #1 Length(m)DescriptionConnected To Serial Parallel Laptop Serial Laptop Parallel Palm Pilot T-Log: T44395.xls, Rev 0.1Test Configuration #1Page 3 of 57 EMC Test Data Client: Contact: Spec: Test Specifics General Test Configuration Ambient Conditions: Summary of Results (Turbo Mode) Result Pass Pass Pass Pass Pass Pass Peak to average excursion < 13dB 5 Antenna Conducted - Out of Band Spurious 15.407(b) All emissions below the- 27dBm/MHz limit 615.407(b)(6) 4 -1.3dB @ 4168MHz Rel. Humidity: 80% Comments 15.407(a) (6) 13.5 dBm Peak Excursion Envelope >20MHz -3.2dBm/MHz RE, 1000 - 40000 MHz - Spurious Emissions Power Spectral Density (PSD)15.407(a) (1), (2) Run #Test PerformedLimit 1Output Power15.407(a) (1), (2) 2 The EUT was located on the turntable for radiated spurious emissions testing. For radiated emissions testing the measurement antenna was located 3 meters from the EUT unless stated otherwise. When measuring the conducted emissions from the EUT's antenna port, the antenna port of the EUT was connected to the spectrum analyzer or power meter via a suitable attenuator to prevent overloadingthe measurement system. All measurements are corrected to allow for the external attenuators and cables used. Temperature: 24°C Test Location: Chamber #2 & SVOATS# 4 Host Unit Voltage 120V/60Hz Test Engineer: Mark Briggs & Juan Martinez Config Change: Printer and PDA disconnected FCC Part 15 Subparts B and EClass: B Eric Dukatz J44394 Model: AR5BCB-00012T-Log Number: T44395 Proj Eng: Mark Briggs AtherosJob Number: FCC Part 15 Subpart E Tests (Turbo Mode) Objective: The objective of this test session is to perform final qualification testing of the EUT with respect to the specification listed above. Date of Test: 7/23/2001, 8/6/2001 & 8/7/2001 Config. Used: #1 326dB Bandwidth15.407 T-Log: T44395.xls, Rev 1.0UNII Turbo ModePage 4 of 57 EMC Test Data Client: Contact: Spec: FCC Part 15 Subparts B and EClass: B Eric Dukatz J44394 Model: AR5BCB-00012T-Log Number: T44395 Proj Eng: Mark Briggs AtherosJob Number: Run #1: Output Power (Turbo Mode) 1.45 dBi Channel 99.7% Signal BW 64.2 64.2 63.2 63.2 67.7 67.7 Note 1: Note 2: Note 3: Run #2: Power Spectral Density (Turbo Mode) Channel 9See note 13See note 17See note No deviations were made from the requirements of the standard. No modifications were made to the EUT during testing T44330/201 The radio utilizes an integral antenna with a gain of approximtaley 1.45 dBi. Graph Reference Maximum Antenna Gain: Modifications Made During Testing: Deviations From The Standard FCC Limit (dBm) 5210-3.24.0 Frequency (MHz) Power Spectral Density (dBm/MHz) T44330/2025250-3.34.0 11.0T44330/2035290-3.5 Note: The above measurements were made using RBW = 1MHz, VBW = 3MHz, video averaging on. To demonstrate compliance with RSS 210, the peak PSD was also measured using RBW= VBW=1MHz, video averaging off during the peak excursion measurements (run #4). The peak PSD of6.4dBmdid not exceed the maximum permitted average PSD of 10dBm (5.15 to 5.25 GHz band) or 11dBm (5.25-5.35GHz band) so no restriction is placed …

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Engineer: MarkManufacturer Description Model # Assett # Cal interval Last Calibrated Cal Due Hewlett Packard Microwave EMI test system (SA40, 30Hz - 40GHz) 84125C 1149 12 2/5/2001 2/5/2002 Engineer: VishalManufacturer Description Model # Assett # Cal interval Last Calibrated Cal Due Elliott Laboratories FCC / CISPR LISN LISN-3, OATS 304 12 6/12/2000 6/12/ 2001 Rohde & Schwarz Pulse Limiter ESH3 Z2 372 12 6/13/2000 6/13/2001 Solar Electronics Co LISN 8028-50-TS-24-BNC 904 12 5/18/2001 5/18/2002 Engineer: Mark / JuanManufacturer Description Model # Assett # Cal interval Last Calibrated Cal Due Hewlett Packard Microwave EMI test system (SA40, 30Hz - 40GHz) 84125C 1149 12 2/5/2001 2/5/2002 Hewlett Packard Preamplifier, 1-26.5 GHz 8449B TY,84299 12 4/1/2001 4/1/2002 Hewlett Packard Spectrum Analyzer, 9KHz - 22GHz 8593EM 1319 12 5/31/2001 5/31/2002 Boonton Power Meter (client provided) 4531 100201 12 4/5/2001 4/5/2002 Boonton Peak Power Sensor, 500 MHz - 18GHz (client provided) 57318 2110 12 4/5/2001 4/5/2002 EMCO Horn Antenna, D. Ridge 1-18GHz 3115 487 12 3/31/2001 3/31/2002 Engineer: Blair WrightManufacturer Description Model # Assett # Cal interval Last Calibrated Cal Due Elliott Laboratories Biconical Ant enna, 30-300 MHz EL30.300 773 12 2/15/2001 2/15/2002 Elliott Laboratories Log Periodic Ant enna 300-1000 MHz EL300.1000 297 12 1/2/2001 1/2/2002 Rohde &Schwarz Test Receiver, 20-1300MHz ESVP 213 12 11/10/2000 11/10/2001 Radio conducted antenna m easurements, 23-Jul-01 05:28 PM Conducted Emissions, 24-Jul-01 01:26 AMAntenna Conducted and Radiated Spurious Emissions, 06-Aug-01 , 07-Aug-01 and 08-Aug-01Radiated Emissions, 30 - 1000 MHz, 08-Aug-01 09:10 PM File: T44395.xls Test Equipment (Emissions) 1of1

Turbo-Mode Band Edge Measurements (Revised) The attached data represents revised measurement data for the Atheros application under FCC ID PPD-AR5BCB-00012. The data originally submitted for the band edge measurement data is incorrect as it used the field strength data for the normal mode fundamental signals and not the fundamental field strength data for the turbo mode This data should be used to replace pages 21 – 23 of the pdf file Atheros Radio Re…

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