QDL-ACM328Tri-Band GSM Module

© TTPCom Limited COMPANY CONFIDENTIAL ACM328 ‐ FCC COMPLIANCE NOTES Ben Symonds 24 May 2005 Docman ‐ #35717 v0.00 The information contained in this document is commercially confidential and must not be disclosed to third parties without prior consent. © TTPCom Limited COMPANY CONFIDENTIAL REVISION HISTORY Version Change Summary Date Author 0.00 Original Version 24/05/2005 BS1 Internal reference : CONTENTS PAGE 1 OPERATING POWER LEVELS 1 2 DC VOLTAGES AND CURRENTS 1 3 TUNE‐UP PROCEDURES 2 OPERATING POWER LEVELS Docman ‐ #35717 v0.00 COMPANY CONFIDENTIAL © TTPCom Limited 1 OPERATING POWER LEVELS Power control level PCL Nominal transmit power level (dBm) GSM850 PCS1900 0 ‐ 29.3 1 ‐ 27.0 2 ‐ 25.0 3 ‐ 23.5 4 ‐ 22.0 5 32.0 20.0 6 30.0 18.0 7 28.0 16.0 8 26.5 14.0 9 25.0 12.0 10 23.0 10.0 11 21.0 8.0 12 19.0 6.0 13 17.0 4.0 14 15.0 2.0 15 13.0 0 16 11.0 ‐ 17 9.0 ‐ 18 7.0 ‐ 19 5.0 ‐ 2 DC VOLTAGES AND CURRENTS The module requires a single DC supply. It is designed to operate over the voltage range of a Li‐Ion or NiMH battery: • Minimum operating voltage: 3.3 VDC • Recommended maximum operating voltage: 4.2 VDC • Absolute maximum operating voltage: 4.3 VDC – 2 – Docman ‐ #35717 v0.00 COMPANY CONFIDENTIAL © TTPCom Limited Note that due to the current and voltage discharge characteristics of NiCd and Pb batteries, these types of battery chemistry are not supported by the module. Current consumption figures (estimated) are: Mode Current Idle Mode – (paging repeat rate of 5) 3 mA typical In Call (average current for 1 Rx, 1 Tx CS operation) 250 mA typical In Call (average current, 1 Rx, 2 Tx GPRS operation) 500 mA typical In Call ‐ peak current 1700 mA typical GPRS 3 slot receive, 2 slot transmit 560 mA typical GPRS 4 slot receive, no transmit slots 125 mA typical Off 40μA typical 3 TUNE‐UP PROCEDURES The RF subsystem is calibrated at time of manufacture. User adjustment of calibrated RF power levels and frequencies is not possible.

Airo Wireless • 12 Piedmont Center, Suite 310 • Atlanta, GA 30305 • t 404.526.9700 • f 404.846.8208 April 22, 2005 Attn:Reviewing Engineer Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize MET Laboratories, Inc. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Chip Hicks V.P. Business Development.

Airo Wireless ∑ 12 Piedmont Center, Suite 310 ∑ Atlanta, GA 30305 ∑ t 404.526.9700 ∑ f 404.846.8208 April 22, 2005 Attn: Reviewing Engineer Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 RE: CONFIDENTIALITY Request For ACM328 GSM/GPRS wireless module and FCC ID#QDL-ACM328 To Whom It May Concern: This letter serves as an official request for confidentiality under FCC Rule Section 0.459. We have requested that the schematics (“Docman 34033 it3_02_0600-schematics”) , block diagram (“Docman 34086 ITM320 Radio – Functional Block Diagram”), Operation Description, and User’s Guide (AiroGPRSUserGuide) required to be submitted with this application be withheld from public review. The reasons for withholding these items from inspection are trade secrets and substantial competitive harm. The items contain information which is proprietary to Airo Wireless and its partners. Please contact me if there is any information you may need. Sincerely, Chip Hicks V.P. Business Development.

ITM300 GPRS Data Module Radio Subsystem Description Peter Sanders Edmund Stocks 21 January 2005 Docman - #24171 v1.01 © TTPCom Limited COMPANY CONFIDENTIAL The information contained in this document is commercially confidential and must not be disclosed to third parties without prior consent. CONTENTS PAGE 1 INTRODUCTION 1 1.1 SYSTEM OVERVIEW 1 2 RADIO SUB SYSTEM 2 2.1 SYSTEM DESIGN 2 2.2 OPERATING BANDS 2 2.3 TRANSMIT POWER LEVELS 2 2.4 SYSTEM ARCHITECTURE 3 2.5 SYSTEM CLOCK 3 2.6 TRANSMITTER OPERATION 4 2.7 RECEIVER OPERATION 4 2.8 FREQUENCY PLAN 5 2.8.1 System clock 5 2.8.2 RFVCO 5 2.8.3 TXVCO 5 2.8.4 IFVCO 5 1 INTRODUCTION This document describes the functionality of the radio subsystem of the ITM300 family of GSM/GPRS Voice/Data Modules. 1.1 System Overview ITM300 is based upon Analog Devices’ AD20msp430 baseband chipset and Silicon Labs ‘Aero I’ RF transceiver IC. Specifically, the devices used are: • Analog Devices AD6527 baseband processor • Analog Devices AD6537B mixed signal processor • Silicon Labs Si4205 radio transceiver ITM300 uses TTPCom’s protocol stack, layer 1, DSP and data services software. ITM300 is manufactured as a single sided assembly printed circuit board, with a 60 way base band / analogue interface connector and an RF interface connector. The PCB is electrically screened. INTRODUCTION Docman - #24171 v1.01 COMPANY CONFIDENTIAL © TTPCom Limited – 2 – 2 RADIO SUB SYSTEM 2.1 System Design The radio system design has been performed to ensure compliance with 3GPP 45-005, BS EN 301-489-1, BS-EN 301-511 and FCC Parts 15b, 22, 24. The system design addresses requirements for spurious emissions. 2.2 Operating bands The radio supports operation in the following frequency bands with channel spacing 200kHz, GMSK modulated: • GSM850 (uplink 824 - 849MHz, downlink 870 - 894MHz) • E-GSM (uplink 880 - 915MHz, downlink 925 - 960MHz) • GSM1800 (uplink 1710 - 1785MHz, downlink 1805 - 1880MHz); • PCS1900 (uplink 1850 - 1910MHz, downlink 1930 - 1990MHz). 2.3 Transmit power levels GSM 850 - Power class 4 with a maximum RF transmit power of 2W E-GSM - Power class 4 with a maximum RF transmit power of 2W GSM 1800 - Power class 1 with a maximum RF transmit power of 1W PCS1900 - power class 1 with a maximum RF transmit power of 1W RADIO SUB SYSTEM Docman - #24171 v1.01 COMPANY CONFIDENTIAL © TTPCom Limited – 3 – 2.4 System Architecture Figure 1 below shows the overall architecture of the ITM300 design. 2.5 System Clock The system clock is derived from a Voltage Controlled Temperature Compensated Crystal Oscillator (VCTCXO). The frequency control loop is implemented in the baseband mixed signal processor, AD6537B, which adjusts the VCTCXO, as defined in 3GPP 45-010 Section 6.1. RADIO SUB SYSTEM Docman - #24171 v1.01 COMPANY CONFIDENTIAL © TTPCom Limited – 4 – 2.6 Transmitter operation Refer to Figure 1 for a block diagram of the transmitter. The transmitter is formed using an ‘Offset Phase-Locked Loop’ (OPLL) architecture. It uses three Voltage Controlled Oscillators (VCO), two are inside Phase Locked Loops (PLL). The Power Amplifier (PA) module has integral closed loop output power control. From baseband to air interface, the following takes place: The baseband 67kHz quadrature GMSK I & Q signals are mixed with an Intermediate Frequency (IF) in the Vector Modulator (VM). The IF is generated by the VCO in the ‘IF PLL’. Its quadrature signal is divided by two to make the IF signal F TXIF . The Vector Modulator uses these signals to generate the one of the comparison signals for the OPLL phase (Φ) detector. The Φ detector error signal is output, through filtration, to the VCO ‘TXVCO’ tune line to make the signal F TXVCO . This is followed by an optional divide-by-2 (for the GSM850 and EGSM900 bands), the output of which is identified as F TX . The signal F TX goes on to the inputs of the Power amplifier. F TX is also fed back to be mixed with the signal F RFVCO , generated by the VCO ‘RFVCO’ in the ‘RF PLL’. This mixing process generates the second comparison signal for the phase detector, closing the OPLL loop. 2.7 Receiver operation The ITM300 receiver utilises 3 balanced output RF filters, in a Superheterodyne configuration with an IF of 100kHz. It uses one VCO inside a PLL. From air interface to Baseband, the following takes place: The three differential receive band LNAs operate at the frequencies listed in the GSM modes, in Section 2.1. The differential outputs from the active band LNA are mixed with the quadrature signal ‘F RFVCO ’ generated at the ‘RF PLL’ to make an IF of 100kHz. This quadrature signal is amplified and digitised. A 100kHz digital quadrature signal F RXIF converts the IF signal to Baseband and it passes through IIR DSP filters. The Baseband quadrature signal is amplified and converted back to analogue I & Q at the DACs. RADIO SUB SYSTEM Docman - #24171 v1.01 COMPANY CONFIDENTIAL © TTPCom Limited – 5 – 2.8 Frequency plan Intermediate RF frequencies are generated in the RF CMOS VLSI by the following RF blocks: • RFVCO • TXVCO • IFVCO The system clock is a Voltage Controlled Temperature Compensated Crystal Oscillator (VCTCXO). The frequency plan is shown below in tabular form. 2.8.1 System clock Frequency (MHz) Range (Hz) 26.0000 ±390 2.8.2 RFVCO Band & Mode Min (MHz) Max (MHz) GSM850 Rx 1737.8 1787.8 EGSM900 Rx 1849.8 1919.8 DCS1800 Rx 1804.9 1879.9 PCS1900 Rx 1929.9 1989.9 GSM850 Tx 1272 1297 EGSM900 Tx 1279 1314 DCS1800 Tx 1327 1402 PCS1900 Tx 1423 1483 2.8.3 TXVCO Band Min (MHz) Max (MHz) GSM850 1648 1698 EGSM900 1760 1830 DCS1800 1710 1785 PCS1900 1850 1910 2.8.4 IFVCO Band Freq (MHz) GSM850 896 EGSM900 (880-895MHz) 798 EGSM900 (895-900MHz) 790 EGSM900 (900-915MHz) 798 DCS1800 766 PCS1900 854 END OF DOCUMENT RADIO SUB SYSTEM Docman - #24171 v1.01 COMPANY CONFIDENTIAL © TTPCom Limited

© TTPCom Limited COMPANY CONFIDENTIAL ACM328 ‐ FCC COMPLIANCE NOTES Ben Symonds 24 May 2005 Docman ‐ #35717 v0.00 The information contained in this document is commercially confidential and must not be disclosed to third parties without prior consent. © TTPCom Limited COMPANY CONFIDENTIAL REVISION HISTORY Version Change Summary Date Author 0.00 Original Version 24/05/2005 BS1 Internal reference : CONTENTS PAGE 1 OPERATING POWER LEVELS 1 2 DC VOLTAGES AND CURRENTS 1 3 TUNE‐UP PROCEDURES 2 OPERATING POWER LEVELS Docman ‐ #35717 v0.00 COMPANY CONFIDENTIAL © TTPCom Limited 1 OPERATING POWER LEVELS Power control level PCL Nominal transmit power level (dBm) GSM850 PCS1900 0 ‐ 29.3 1 ‐ 27.0 2 ‐ 25.0 3 ‐ 23.5 4 ‐ 22.0 5 32.0 20.0 6 30.0 18.0 7 28.0 16.0 8 26.5 14.0 9 25.0 12.0 10 23.0 10.0 11 21.0 8.0 12 19.0 6.0 13 17.0 4.0 14 15.0 2.0 15 13.0 0 16 11.0 ‐ 17 9.0 ‐ 18 7.0 ‐ 19 5.0 ‐ 2 DC VOLTAGES AND CURRENTS The module requires a single DC supply. It is designed to operate over the voltage range of a Li‐Ion or NiMH battery: • Minimum operating voltage: 3.3 VDC • Recommended maximum operating voltage: 4.2 VDC • Absolute maximum operating voltage: 4.3 VDC – 2 – Docman ‐ #35717 v0.00 COMPANY CONFIDENTIAL © TTPCom Limited Note that due to the current and voltage discharge characteristics of NiCd and Pb batteries, these types of battery chemistry are not supported by the module. Current consumption figures (estimated) are: Mode Current Idle Mode – (paging repeat rate of 5) 3 mA typical In Call (average current for 1 Rx, 1 Tx CS operation) 250 mA typical In Call (average current, 1 Rx, 2 Tx GPRS operation) 500 mA typical In Call ‐ peak current 1700 mA typical GPRS 3 slot receive, 2 slot transmit 560 mA typical GPRS 4 slot receive, no transmit slots 125 mA typical Off 40μA typical 3 TUNE‐UP PROCEDURES The RF subsystem is calibrated at time of manufacture. User adjustment of calibrated RF power levels and frequencies is not possible.

ITM320 Bill of Materials Version: Mass Production, MP0 Product Part Number Definition For production purposes, a part numbering scheme has been introduced to enable unique identification of each hardware/software configuration. ITM328 Variants ITM328 - xx - yy - zz-zz zzzz ITM329 Variants ITM329 - xx - yy - zz-zz zzzz where xx = PCB version number (derived from TTPCom PCB CAD reference, IT3_02_xx00); xx = 06 for MP0 yy = hardware configuration; yy = 01 for standard (TTPCom) module build yy = 02 for Telular SX6D build zz-zz zzzz = software version number (derived from TTPCom sw build system); example N1-10 TD06 For MP0 build, the part numbers will be as follows : For MP0-standard build ITM328 - 06 - 01 - zz-zz zzzz ITM329 - 06 - 01 - zz-zz zzzz For MP0-Telular build ITM328 - 06 - 02 - zz-zz zzzz ITM329 - 06 - 02 - zz-zz zzzz For MP0-Airo build ITM328 - 06 - 03 - zz-zz zzzz ITM329 - 06 - 03 - zz-zz zzzz sw version numbers will be defined at time of build

MET Laboratories, Inc. Safety Certification - EMI - Telecom Environmental Simulation 914 WEST PATAPSCO AVENUE ! BALTIMORE, MARYLAND 21230-3432 ! PHONE (410) 354-3300 ! FAX (410) 354-3313 The Nation’s First Licensed Nationally Recognized Testing Laboratory May 23, 2005 Airo Wireless 12 Piedmont Center Suite 310 Atlanta, GA 30305 Dear Chip Hicks, Enclosed is the EMC test report for compliance testing of the Airo Wireless, ACM328. The Airo Wireless, ACM328 was tested to the requirements of the FCC Certification rules under Title 47 of the CFR Part 22 H. Thank you for using the services of MET Laboratories, Inc. If you have any questions regarding these results or if MET can be of further service to you, please feel free to contact me. Sincerely yours, MET LABORATORIES, INC. Marie Confroy Documentation Department Reference: (\Airo Wireless\ EMC16726-FCC 22) Certificates and reports shall not be reproduced except in full, without the written permission of MET Laboratories, Inc. While use of the National Voluntary Laboratory Accreditation Program (NVLAP) letters or the NVLAP Logo, the Standards Council of Canada Logo, or the Nationally Recognized Testing Laboratory (NRTL) Letters in this report reflects MET Accreditation under these programs, these letters, logo, or statements do not claim product endorsement by NVLAP or any Agency of the U.S. Government. MET Laboratories, Inc. Safety Certification - EMI - Telecom Environmental Simulation 914 WEST PATAPSCO AVENUE ! BALTIMORE, MARYLAND 21230-3432 ! PHONE (410) 354-3300 ! FAX (410) 354-3313 DOC-EMC704 4/5/2005 Certificates and reports shall not be reproduced except in full, without the written permission of MET Laboratories, Inc. Electromagnetic Compatibility Criteria Test Report For the Airo Wireless ACM328 Tested under FCC Certification Rules Title 47 of the CFR Part 22 H MET Report: EMC16726-FCC 22 May 23, 2005 Prepared For: Airo Wireless 12 Piedmont Center Suite 310 Atlanta, GA 30305 Prepared By: MET Laboratories, Inc. 914 W. Patapsco Ave Baltimore, MD 21230 Airo Wireless ACM328 FCC ID: QDL-ACM328 CFR Title 47 Part 22 H MET Report: EMC16726-FCC 22 © 2005, MET Laboratories, Inc. Page i of v DOC-EMC704 4/5/2005 Electromagnetic Compatibility Criteria Test Report For the Airo Wireless ACM328 Tested Under FCC Certification Rules Title 47 of the CFR Part 22 H Kevin Mehaffey Marie Confroy Electromagnetic Compatibility Lab Documentation Department Engineering Statement: The measurements shown in this report were made in accordance with the procedures indicated, and the emissions from this equipment were found to be within the limits applicable. I assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications of all persons taking them. It is further stated that upon the basis of the measurements made, the equipment tested is capable of operation in accordance with the requirements of Title 47 of the CFR Part 22 H of FCC Rules under normal use and maintenance. Liming Xu Electromagnetic Compatibility Lab Airo Wireless ACM328 FCC ID: QDL-ACM328 CFR Title 47 Part 22 H MET Report: EMC16726-FCC 22 © 2005, MET Laboratories, Inc. Page ii of v DOC-EMC704 4/5/2005 Report Status Sheet Revision Report Date Reason for Revision Ø May 23, 2005 Initial Issue. Airo Wireless ACM328 FCC ID: QDL-ACM328 CFR Title 47 Part 22 H MET Report: EMC16726-FCC 22 © 2005, MET Laboratories, Inc. Page iii of v DOC-EMC704 4/5/2005 Table of Contents 1. Requirements Summary .................................................................................................................................................1 2. Equipment Configuration...............................................................................................................................................2 2.1. Overview....................................................................................................................................................................2 2.2. Test Site .....................................................................................................................................................................3 2.3. Description of Test Sample ........................................................................................................................................3 2.4. Equipment Configuration...........................................................................................................................................4 2.5. Mode of Operation .....................................................................................................................................................4 2.6. Method of Monitoring EUT Operation ......................................................................................................................4 2.7. Modifications .............................................................................................................................................................5 2.7.1. Modifications to EUT .............................................................................................................................5 2.7.2. Modifications to Test Standard ...............................................................................................................5 2.8. Disposition of EUT ....................................................................................................................................................5 3. Electromagnetic Compatibility Criteria for Unintentional Radiators .......................................................................6 3.1. Conducted Limits .......................................................................................................................................................6 3.2. Unintentional Radiated Emission Limits ...................................................................................................................7 4. Electromagnetic Compa…

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MET Laboratories, Inc. Safety Certification - EMI - Telecom Environmental Simulation 914 WEST PATAPSCO AVENUE ! BALTIMORE, MARYLAND 21230-3432 ! PHONE (410) 354-3300 ! FAX (410) 354-3313 The Nation’s First Licensed Nationally Recognized Testing Laboratory May 23, 2005 Airo Wireless 12 Piedmont Center Suite 310 Atlanta, GA 30305 Dear Chip Hicks, Enclosed is the EMC test report for compliance testing of the Airo Wireless, ACM328. The Airo Wireless, ACM328 was tested to the requirements of the FCC Certification rules under Title 47 of the CFR Part 24 Subpart E for Broadband PCS Devices. Thank you for using the services of MET Laboratories, Inc. If you have any questions regarding these results or if MET can be of further service to you, please feel free to contact me. Sincerely yours, MET LABORATORIES, INC. Marie Confroy Documentation Department Reference: (\Airo Wireless\ EMC16726-FCC) Certificates and reports shall not be reproduced except in full, without the written permission of MET Laboratories, Inc. While use of the National Voluntary Laboratory Accreditation Program (NVLAP) letters or the NVLAP Logo, the Standards Council of Canada Logo, or the Nationally Recognized Testing Laboratory (NRTL) Letters in this report reflects MET Accreditation under these programs, these letters, logo, or statements do not claim product endorsement by NVLAP or any Agency of the U.S. Government. MET Laboratories, Inc. Safety Certification - EMI - Telecom Environmental Simulation 914 WEST PATAPSCO AVENUE ! BALTIMORE, MARYLAND 21230-3432 ! PHONE (410) 354-3300 ! FAX (410) 354-3313 DOC-EMC704 4/5/2005 Certificates and reports shall not be reproduced except in full, without the written permission of MET Laboratories, Inc. Electromagnetic Compatibility Criteria Test Report For the Airo Wireless ACM328 Tested under FCC Certification Rules Title 47 of the CFR, Part 24 Subpart E for Broadband PCS Devices MET Report: EMC16726-FCC May 23, 2005 Prepared For: Airo Wireless 12 Piedmont Center Suite 310 Atlanta, GA 30305 Prepared By: MET Laboratories, Inc. 914 W. Patapsco Ave Baltimore, MD 21230 Airo Wireless ACM328 FCC ID: QDL-ACM328 CFR Title 47 Part 24 Subpart E MET Report: EMC16726-FCC © 2005, MET Laboratories, Inc. Page i of v DOC-EMC704 4/5/2005 Electromagnetic Compatibility Criteria Test Report For the Airo Wireless ACM328 Tested Under FCC Certification Rules Title 47 of the CFR, Part 24 Subpart E for Broadband PCS Devices Kevin Mehaffey Marie Confroy Electromagnetic Compatibility Lab Documentation Department Engineering Statement: The measurements shown in this report were made in accordance with the procedures indicated, and the emissions from this equipment were found to be within the limits applicable. I assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications of all persons taking them. It is further stated that upon the basis of the measurements made, the equipment tested is capable of operation in accordance with the requirements of Part 24 Subpart E and Part 15 Subpart B of the FCC Rules under normal use and maintenance. Liming Xu Electromagnetic Compatibility Lab Airo Wireless ACM328 FCC ID: QDL-ACM328 CFR Title 47 Part 24 Subpart E MET Report: EMC16726-FCC © 2005, MET Laboratories, Inc. Page ii of v DOC-EMC704 4/5/2005 Report Status Sheet Revision Report Date Reason for Revision Ø May 23, 2005 Initial Issue. Airo Wireless ACM328 FCC ID: QDL-ACM328 CFR Title 47 Part 24 Subpart E MET Report: EMC16726-FCC © 2005, MET Laboratories, Inc. Page iii of v DOC-EMC704 4/5/2005 Table of Contents 1. Requirements Summary .................................................................................................................................................1 2. Equipment Configuration...............................................................................................................................................2 2.1. Overview....................................................................................................................................................................2 2.2. Test Site .....................................................................................................................................................................3 2.3. Description of Test Sample ........................................................................................................................................3 2.4. Equipment Configuration...........................................................................................................................................4 2.5. Mode of Operation .....................................................................................................................................................4 2.6. Method of Monitoring EUT Operation ......................................................................................................................4 2.7. Modifications .............................................................................................................................................................5 2.7.1. Modifications to EUT .............................................................................................................................5 2.7.2. Modifications to Test Standard ...............................................................................................................5 2.8. Disposition of EUT ....................................................................................................................................................5 3. Electromagnetic Compatibility Criteria for Unintentional Radiators .......................................................................6 3.1. Conducted Limits .......................................................................................................................................................6 3.2. Unintentional Radiated Emission Limits ..............…

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MET Laboratories, Inc. Safety Certification - EMI - Telecom Environmental Simulation 914 WEST PATAPSCO AVENUE ! BALTIMORE, MARYLAND 21230-3432 ! PHONE (410) 354-3300 ! FAX (410) 354-3313 The Nation’s First Licensed Nationally Recognized Testing Laboratory Airo Wireless May 9, 2005 12 Piedmont Center Suite 310 Atlanta, GA 30305 Dear Chip Hicks, Enclosed is the EMC test report for compliance testing of the Airo Wireless, ACM328, tested to the requirements of Title 47 of the Code of Federal Regulations (CFR), Part 15 Subpart B, Section 15.101(a). Based on these results, MET Laboratories, Inc. certifies that the ACM328, tested as configured, meets the requirements and interference limitations for a Class B Digital Devices under Title 47 of the CFR, Part 15 Subpart B, Section 15.107(a) and 15.109(a). Thank you for using the services of MET Laboratories, Inc. If you have any questions regarding these results or if MET can be of further service to you, please feel free to contact me. Sincerely yours, MET LABORATORIES, INC. Marie Confroy Documentation Department Reference: (\Airo Wireless\EMC16726-FCC) Certificates and reports shall not be reproduced except in full, without the written permission of MET Laboratories, Inc. While use of the National Voluntary Laboratory Accreditation Program (NVLAP) letters or the NVLAP Logo, the Standards Council of Canada Logo, A2LA, or the Nationally Recognized Testing Laboratory (NRTL) Letters in this report reflects MET Accreditation under these programs, these letters, logo, or statements do not claim product endorsement by these organizations or any Agency of the U.S. Government. This letter of transmittal is not a part of the attached report. MET Laboratories, Inc. Safety Certification - EMI - Telecom Environmental Simulation 914 WEST PATAPSCO AVENUE ! BALTIMORE, MARYLAND 21230-3432 ! PHONE (410) 354-3300 ! FAX (410) 354-3313 DOC-EMC700 3/11/2005 Electromagnetic Compatibility Criteria Test Report For the Airo Wireless ACM328 Title 47 of the Code of Federal Regulations (CFR), Part 15 Subpart B For a Class B Digital Device MET Report: EMC16726-FCC May 9, 2005 Prepared for: Airo Wireless 12 Piedmont Center Suite 310 Atlanta, GA 30305 Prepared By: MET Laboratories, Inc. 914 W. Patapsco Ave Baltimore, MD 21230 Airo Wireless Electromagnetic Compatibility ACM328 CFR Title 47, Part 15, Subpart B MET Report: EMC16726-FCC © 2005, MET Laboratories, Inc. Page ii of vi DOC-EMC707 3/11/2005 Electromagnetic Compatibility Criteria Test Report For the Airo Wireless ACM328 Title 47 of the Code of Federal Regulations (CFR), Part 15 Subpart B For a Class B Digital Device MET Report: EMC16726-FCC Kevin Mehaffey Marie Confroy Manager , Electromagnetic Compatibility Lab Documentation Department Engineering Statement: The measurements shown in this report were made in accordance with the procedures indicated, and the emissions from this equipment were found to be within the limits applicable. I assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications of all persons taking them. It is further stated that upon the basis of the measurements made, the equipment tested is capable of operation in accordance with the requirements of Title 47 of the CFR, Part 15, Subpart B for a Class B Digital Device under normal use and maintenance. Liming Xu Electromagnetic Compatibility Lab Airo Wireless Electromagnetic Compatibility ACM328 CFR Title 47, Part 15, Subpart B MET Report: EMC16726-FCC © 2005, MET Laboratories, Inc. Page iii of vi DOC-EMC707 3/11/2005 Report Status Sheet Revision Report Date Reason for Revision Ø May 9, 2005 Initial Issue. Airo Wireless Electromagnetic Compatibility ACM328 CFR Title 47, Part 15, Subpart B MET Report: EMC16726-FCC © 2005, MET Laboratories, Inc. Page iv of vi DOC-EMC707 3/11/2005 Table of Contents 1.0 Testing Summary ........................................................................................................................................................ 1 2.0 Equipment Configuration........................................................................................................................................... 2 2.1 Overview................................................................................................................................................................. 2 2.2 Test Site .................................................................................................................................................................. 3 2.3 Description of Test Sample ..................................................................................................................................... 3 2.4 Equipment Configuration........................................................................................................................................ 3 2.5 Mode of Operation .................................................................................................................................................. 4 2.6 Method of Monitoring EUT Operation ................................................................................................................... 4 2.7 Modifications .......................................................................................................................................................... 4 2.7.1 Modifications to EUT ............................................................................…

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