RCX-EE11ABG802.11 a/b/g Emulation Engine

To: Mike Kuo Subject: RE: Communication Machinery Corporation, FCC ID:RCX-EE11ABG, AN03T3202 The following below is from the client themselves. Regarding Question #1: A. Correct, no change is required to the hardware. The same hardware is used for any configured feature key. B. Correct, No change in bandwidth and output power. The frequency will stay within the 802.11a, 802.11b and 802.11g spectrum. C. Correct. Regarding Question #2: There are system parameters in the product such as setting of 'ctsmode' which can be used to maximize a specific 802.11g test. In general, the method a test is maximized is via the layer 2 protocol or above. This command sets what is referring to as CTS protection mode. If configured with option 'always' or 'auto' a CTS frame can be sent to ensure the airwaves are clear before sending a data frame. The test could optimize performance by turning off ('none') ctsmode. Please let me know if you need more information With this command the options are: - 'always' meaning issue a CTS (Clear To Send) frame before each data frame - 'auto' meaning issue a CTS frame when an 802.11b device is detected - 'none' meaning never use CTS -----Original Message----- From: Mike Kuo Sent: Wednesday, August 27, 2003 2:14 PM To: 'Kyle Fujimoto' Subject: FW: Communication Machinery Corporation, FCC ID:RCX-EE11ABG, AN03T3202 -----Original Message----- From: CERTADM Sent: Wednesday, August 27, 2003 2:13 PM To: '[email protected]' Subject: Communication Machinery Corporation, FCC ID:RCX-EE11ABG, AN03T3202 Notice_content ------------- Question #1: Based upon the information given in the page 1-1 of user manual, this device can be configured as 802.11b, 802.11a, 802.11a/b and 802.11 a/b/g radio via feature key. Such feature key can be upgraded based upon the usage. Based upon this understanding, please confirm the following : A. Regardless which feature key will be used, there is no chan ge in hardware on FCC ID:MCLJ07H06903 transmitter module. B. Such feature key will not change the radio characteristics in term of bandwidth, output power and operating frequencies. C. Such feature key can only be used with CMC Emulation engine and will not be sold or use with any other CMC products or manufacturers. Question #2: Please explain the statement in page 1-1 of user manual " it allows a user to finetune system parameters in order to maximize performance during testing." Best Regards Mike Kuo The items indicated above must be submitted before processing can continue on the above referenced application. Failure to provide the requested information within 30 days of the original e-mail date may result in application dismissal and forfeiture of the filing fee. Also, please note that partial responses increase processing time and should not be submitted. Any questions about the content of this correspondence should be directed to the e-mail address listed below the name of the sender.

114 OLINDA DRIVE • •• • BREA, CALIFORNIA 92823 • •• • (714) 579-0500 • •• • FAX (714) 579-1850 August 22, 2003 Compliance Certifications Services 561F Monterey Road Morgan Hill, CA 95037 Subject: Request for Certification of the Communication Machinery Corporation Emulation Engine Model: EE a/b/g FCC ID: RCX-EE11ABG Gentlemen: We have enclosed a package for the certification of the Communication Machinery Corporation Emulation Engine Model: EE a/b/g. The 802.11 a/b/g Mini PCI Card Module inside the EUT is the Ambit Microsystems, Inc. 802.11 a/b/g Mini PCI Card Model: J07H069.01. This Module has been approved under the FCC-ID: MCLJ07H06903. The EUT is being retested for spurious emissions because the EUT will be using different antennas than those approved under the FCC-ID: MCLJ07H06903. We have enclosed the completed Form 731 with the applicable exhibits. If you have any questions or need any additional information, please give me a call at (714) 579-0500. Sincerely, Kyle Fujimoto Test Engineer

MPE Calculations For RF Exposure Requirements Emulation Engine Model: EE a/b/g Page 1 of 2 MAXIMUM PERMISSIBLE EXPOSURE FOR UNII Calculations Given E= √ (30*P*G) / d and S = E ^ 2 / 3770 where E= Field Strength in Volts / Meter P = Power in Watts G = Numeric antenna gain d = distance in meters S = Power Density in milliwatts / square centimeter Combining equations and rearranging the terms to express the distance as a function of the remaining variables yields d = √ ((30*P*G) / (3770*S)) Changing to units of mW and cm, using: P (mW) = P (W) / 1000 and d (cm) = 100*d (m) yields d = 100√ ((30*(P/1000)*G) / (3770*S)) d = 0.282 * √ (P*G/S) where d = distance in cm P = Power in mW G = Numeric Antenna Gain S = Power Density in mW / cm ^ 2 P (mW) = 10 ^ (P(dBm) /10) and G (numeric) = 10 ^ (G(dBi)/10) MPE Calculations For RF Exposure Requirements Emulation Engine Model: EE a/b/g Page 2 of 2 MAXIMUM PERMISSIBLE EXPOSURE FOR UNII (continued) yields d = 0.282*10^((P+G)/20) √S Equation (1) where d = MPE safe distance in cm P = Power in dBm G = Antenna Gain in dBi S = Power Density Limit in mW / cm^2 Combining equations and rearranging the terms to express the distance as a function of the remaining variables yields d = √ ((30*P*G) / (3770*S)) Changing to units of mW and cm, using: P (mW) = P (W) / 1000 and d (cm) = 100*d (m) yields d = 100 √ ((30*(P/1000)*G) / (3770*S)) d = 0.282 * √ (P*G/S) where d = distance in cm P = Power in mW G = Numeric Antenna Gain S = Power Density in mW / cm^2 Results EUT output power = 17.46 dBm Antenna Gain = 5.0 dBi S = 1.0 mW / cm ^ 2 from 1.1310 Table 1 Substituting these parameters into equation (1) above: MPE Safe Distance = 3.8 centimeters Note: For mobile or fixed location transmitters, the minimum separation distance is 20 cm, even if calculations indicate that the MPE distance would be less.

NOTE ON THE SCHEMATICS The schematics for the RF portion of the EUT is covered under the FCC-ID: MCLJ07H06903. The other boards and PCB’s on the EUT are digital circuitry only (not part of the intentional radiator portion), so the schematics need not be provided for these boards. Please see the Internal picture exhibit for where the module will be mounted on the EUT.

FCC CFR47 PART 15 SUBPART E CERTIFICATION TEST REPORT FOR 802.11 a/b/g MINI PCI CARD MODEL NUMBER: J07H069.01 FCC ID: MCLJ07H06903 REPORT NUMBER: 03U1760-1B ISSUE DATE: FEBRUARY 21, 2003 Prepared for AMBIT MICROSYSTEMS, INC. 5F-1, 5 HSIN-AN ROAD, HSINCU SCIENCE-BASED INDUSTRAIL PARK, TAIWAN. R.O.C. Prepared by COMPLIANCE CERTIFICATION SERVICES 561F MONTEREY ROAD, MORGAN HILL, CA 95037, USA TEL: (408) 463-0885 FAX: (408) 463-0888 REPORT NO: 03U1760-1B DATE: FEBRUARY 21, 2003 EUT: 802.11 a/b/g MINI PCI CARD FCC ID: MCLJ07H06903 Page 2 of 97 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. TABLE OF CONTENTS 1. TEST RESULT CERTIFICATION..........................................................................................3 2. EUT DESCRIPTION...............................................................................................................4 3. TEST METHODOLOGY.........................................................................................................5 4. FACILITIES AND ACCREDITATION...................................................................................5 4.1. FACILITIES AND EQUIPMENT.........................................................................................5 4.2. TABLE OF ACCREDITATIONS AND LISTINGS..................................................................6 5. CALIBRATION AND UNCERTAINTY..................................................................................7 5.1. MEASURING INSTRUMENT CALIBRATION......................................................................7 5.2. MEASUREMENT UNCERTAINTY.......................................................................................7 5.3. TEST AND MEASUREMENT EQUIPMENT.........................................................................8 6. SETUP OF EQUIPMENT UNDER TEST................................................................................9 7. APPLICABLE RULES...........................................................................................................13 8. TEST SETUP, PROCEDURE AND RESULT........................................................................18 8.1. EMISSION BANDWIDTH.................................................................................................18 8.2. PEAK POWER.................................................................................................................26 8.3. AVERAGE POWER..........................................................................................................35 8.4. PEAK POWER SPECTRAL DENSITY................................................................................36 8.5. PEAK EXCURSION..........................................................................................................44 8.6. TRANSMISSION IN THE ABSENCE OF DATA..................................................................52 8.7. TYPE OF ANTENNA........................................................................................................52 8.8. MAXIMUM PERMISSIBLE EXPOSURE............................................................................53 8.9. FREQUENCY STABILITY.................................................................................................55 8.10. CONDUCTED UNDESIRABLE EMISSIONS..................................................................56 8.11. RADIATED UNDESIRABLE EMISSIONS.......................................................................64 8.12. POWERLINE CONDUCTED EMISSIONS......................................................................88 8.13. SETUP PHOTOS..............................................................................................................91 REPORT NO: 03U1760-1B DATE: FEBRUARY 21, 2003 EUT: 802.11 a/b/g MINI PCI CARD FCC ID: MCLJ07H06903 Page 3 of 97 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. 1. TEST RESULT CERTIFICATION COMPANY NAME: AMBIT MICROSYSTEMS 5F-1, 5 HSIN-AN ROAD, HSINCU SCIENCE BASED INDUSTRIAL PARK, TAIWAN, R.O.C. EUT DESCRIPTION: 802.11 A/B/G MINI PCI CARD MODEL NAME: J07H069.01 DATE TESTED: DECEMBER 20, 2002 – FEBRUARY 21, 2003 APPLICABLE STANDARDS STANDARD TEST RESULTS FCC PART 15 SUBPART E NO NON-COMPLIANCE NOTED Compliance Certification Services, Inc. tested the above equipment in accordance with the requirements set forth in the above standards. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Note: This document reports conditions under which testing was conducted and results of tests performed. This document may not be altered or revised in any way unless done so by Compliance Certification Services and all revisions are duly noted in the revisions section. Any alteration of this document not carried out by Compliance Certification Services will constitute fraud and shall nullify the document. Note: The 5.2 GHz band is applicable to this report; other bands of operation (2.4 and 5.8 GHz) are documented in a separate report. Approved & Released For CCS By: Tested By: MIKE HECKROTTE NEELESH RAJ CHIEF ENGINEER EMC ENGINEER COMPLIANCE CERTIFICATION SERVICES COMPLIANCE CERTIFICATION SERVICES REPORT NO: 03U1760-1B DATE: FEBRUARY 21, 2003 EUT: 802.11 a/b/g MINI PCI CARD FCC ID: MCLJ07H06903 Page 4 of 97 COMPLIANCE CERTIFICATION SERVICES DO…

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Report Number: B30729D2 FCC Part 15 Subpart B and FCC Subpart E Test Report Emulation Engine Model: EE a/b/g Brea Division 114 Olinda Drive Brea, CA 92823 (714) 579-0500 Agoura Division 2337 Troutdale Drive Agoura, CA 91301 (818) 597-0600 Silverado Division 19121 El Toro Road Silverado, CA 92676 (949) 589-0700 Lake Forest Division 20621 Pascal Way Lake Forest, CA 92630 (949) 587-0400 Page 2 of 20 TABLE OF CONTENTS Section / Title PAGE GENERAL REPORT SUMMARY 4 SUMMARY OF TEST RESULTS 5 1. PURPOSE 6 2. ADMINISTRATIVE DATA 7 2.1 Location of Testing 7 2.2 Traceability Statement 7 2.3 Cognizant Personnel 7 2.4 Date Test Sample was Received 7 2.5 Disposition of the Test Sample 7 2.6 Abbreviations and Acronyms 7 3. APPLICABLE DOCUMENTS 8 4. Description of Test Configuration 9 4.1 Description of Test Configuration - EMI 9 4.1.1 Cable Construction and Termination 10 5. LISTS OF EUT, ACCESSORIES AND TEST EQUIPMENT 11 5.1 EUT and Accessory List 11 5.2 EMI Test Equipment 12 6. TEST SITE DESCRIPTION 13 6.1 Test Facility Description 13 6.2 EUT Mounting, Bonding and Grounding 13 7. CHARACTERISTICS OF THE TRANSMITTER 14 7.1 Antenna Gain 14 8. Test Procedures 15 8.1 RF Emissions 15 8.1.1 Conducted Emissions Test 15 8.1.2 Radiated Emissions (Spurious and Harmonics) Test 16 8.2 Emission Bandwidth – 26 dB for UNII Devices 18 8.3 Peak Power for UNII Devices 18 8.4 Peak Power Spectral Density for UNII Devices 18 8.5 Peak Excursion for UNII Devices 19 8.6 Frequency Stability for UNII Devices 19 8.7 RF Band Edges 19 9. CONCLUSIONS 20 Report Number: B30729D2 FCC Part 15 Subpart B and FCC Subpart E Test Report Emulation Engine Model: EE a/b/g Brea Division 114 Olinda Drive Brea, CA 92823 (714) 579-0500 Agoura Division 2337 Troutdale Drive Agoura, CA 91301 (818) 597-0600 Silverado Division 19121 El Toro Road Silverado, CA 92676 (949) 589-0700 Lake Forest Division 20621 Pascal Way Lake Forest, CA 92630 (949) 587-0400 Page 3 of 20 LIST OF APPENDICES APPENDIX TITLE A Laboratory Recognitions B Modifications to the EUT C Additional Models Covered Under This Report D Diagrams, Charts, and Photos • Test Setup Diagrams • Radiated Emissions Photos • Antenna and Effective Gain Factors E Data Sheets LIST OF FIGURES FIGURE TITLE 1 Conducted Emissions Test Setup 2 Plot Map And Layout of Test Site Report Number: B30729D2 FCC Part 15 Subpart B and FCC Subpart E Test Report Emulation Engine Model: EE a/b/g Brea Division 114 Olinda Drive Brea, CA 92823 (714) 579-0500 Agoura Division 2337 Troutdale Drive Agoura, CA 91301 (818) 597-0600 Silverado Division 19121 El Toro Road Silverado, CA 92676 (949) 589-0700 Lake Forest Division 20621 Pascal Way Lake Forest, CA 92630 (949) 587-0400 Page 4 of 20 GENERAL REPORT SUMMARY This electromagnetic emission test report is generated by Compatible Electronics Inc., which is an independent testing and consulting firm. The test report is based on testing performed by Compatible Electronics personnel according to the measurement procedures described in the test specifications given below and in the "Test Procedures" section of this report. The measurement data and conclusions appearing herein relate only to the sample tested and this report may not be reproduced without the written permission of Compatible Electronics, unless done so in full. This report must not be used to claim product endorsement by NVLAP, NIST, or any other agency of the U.S. Government. Device Tested: Emulation Engine Model: EE a/b/g S/N: N/A Product Description: See Expository Statement. Modifications: The EUT was not modified during the testing. Manufacturer: Communication Machinery Corporation 402 E. Gutierrez Street Santa Barbara, California 93101 Test Dates: July 24, 28, and 29, 2003 Test Specifications : EMI requirements CFR Title 47, Part 15, Subpart B; and Subpart E Test Procedure: ANSI C63.4: 2001 Test Deviations: The test procedure was not deviated from during the testing. Report Number: B30729D2 FCC Part 15 Subpart B and FCC Subpart E Test Report Emulation Engine Model: EE a/b/g Brea Division 114 Olinda Drive Brea, CA 92823 (714) 579-0500 Agoura Division 2337 Troutdale Drive Agoura, CA 91301 (818) 597-0600 Silverado Division 19121 El Toro Road Silverado, CA 92676 (949) 589-0700 Lake Forest Division 20621 Pascal Way Lake Forest, CA 92630 (949) 587-0400 Page 5 of 20 SUMMARY OF TEST RESULTS TEST DESCRIPTION RESULTS 1 Conducted RF Emissions, 150 kHz – 30 MHz Complies with the Class B limits of CFR Title 47, Part 15, Subpart B; and the limits of CFR Title 47, Part 15, Subpart E 2 Spurious Radiated RF Emissions, 30 MHz – 1000 MHz Complies with the Class B limits of CFR Title 47, Part 15, Subpart B; and the limits of CFR Title 47, Part 15, Subpart E 3 Spurious Radiated RF Emissions, 10 kHz – 30 MHz and 1000 MHz – 40000 MHz Complies with the Class B limits of CFR Title 47, Part 15, Subpart B; and the limits of CFR Title 47, Part 15, Subpart E 4 Fundamental and Emissions produced by the intentional radiator in non-restricted bands, 10 kHz – 40 GHz Complies with the Class B limits of CFR Title 47, Part 15, Subpart B; and the limits of CFR Title 47, Part 15, Subpart E 5 Emissions produced by the intentional radiator in restricted bands, 10 kHz – 40 GHz Complies with the Class B limits of CFR Title 47, Part 15, Subpart B; and the limits of CFR Title 47, Part 15, Subpart E 6 Emission Bandwidth – 26 dB for UNII devices This test was not performed because the RF Module inside the EUT was approved as a module under the FCC-ID: MCLJ07H06903 . 8 Peak Power for UNII devices This test was not performed because the RF Module inside the EUT was approved as a module under the FCC-ID: MCLJ07H06903 . 9 Peak Power Spectral Density for UNII devices This test was not performed because the RF Module inside the EUT was approved as a module under the FCC-ID: MCLJ07H06903 . 10 Peak Excursion for UNII devices This test was not performed because the RF Module inside the EUT was approved as a module under the FCC-ID: MCLJ07H06903 . 11 Frequency Stabi…

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